treewide: Convert uses of struct resource to resource_size(ptr)
Several fixes as well where the +1 was missing.
Done via coccinelle scripts like:
@@
struct resource *ptr;
@@
- ptr->end - ptr->start + 1
+ resource_size(ptr)
and some grep and typing.
Mostly uncompiled, no cross-compilers.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/char/bsr.c b/drivers/char/bsr.c
index cf39bc0..0c68823 100644
--- a/drivers/char/bsr.c
+++ b/drivers/char/bsr.c
@@ -212,7 +212,7 @@
cur->bsr_minor = i + total_bsr_devs;
cur->bsr_addr = res.start;
- cur->bsr_len = res.end - res.start + 1;
+ cur->bsr_len = resource_size(&res);
cur->bsr_bytes = bsr_bytes[i];
cur->bsr_stride = bsr_stride[i];
cur->bsr_dev = MKDEV(bsr_major, i + total_bsr_devs);
diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.c b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
index 39ccdea..e90e1c7 100644
--- a/drivers/char/xilinx_hwicap/xilinx_hwicap.c
+++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
@@ -621,7 +621,7 @@
drvdata->mem_start = regs_res->start;
drvdata->mem_end = regs_res->end;
- drvdata->mem_size = regs_res->end - regs_res->start + 1;
+ drvdata->mem_size = resource_size(regs_res);
if (!request_mem_region(drvdata->mem_start,
drvdata->mem_size, DRIVER_NAME)) {
diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index 954e334..06f9f27 100644
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -1304,8 +1304,7 @@
if (!res)
return -ENODEV;
- msp->xor_base = devm_ioremap(&pdev->dev, res->start,
- res->end - res->start + 1);
+ msp->xor_base = devm_ioremap(&pdev->dev, res->start, resource_size(res));
if (!msp->xor_base)
return -EBUSY;
@@ -1314,7 +1313,7 @@
return -ENODEV;
msp->xor_high_base = devm_ioremap(&pdev->dev, res->start,
- res->end - res->start + 1);
+ resource_size(res));
if (!msp->xor_high_base)
return -EBUSY;
diff --git a/drivers/edac/cell_edac.c b/drivers/edac/cell_edac.c
index db1df59..9a6a274 100644
--- a/drivers/edac/cell_edac.c
+++ b/drivers/edac/cell_edac.c
@@ -140,7 +140,7 @@
if (of_node_to_nid(np) != priv->node)
continue;
csrow->first_page = r.start >> PAGE_SHIFT;
- csrow->nr_pages = (r.end - r.start + 1) >> PAGE_SHIFT;
+ csrow->nr_pages = resource_size(&r) >> PAGE_SHIFT;
csrow->last_page = csrow->first_page + csrow->nr_pages - 1;
csrow->mtype = MEM_XDR;
csrow->edac_mode = EDAC_SECDED;
diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c
index 38ab8e2..11e1a5d 100644
--- a/drivers/edac/mpc85xx_edac.c
+++ b/drivers/edac/mpc85xx_edac.c
@@ -538,15 +538,15 @@
/* we only need the error registers */
r.start += 0xe00;
- if (!devm_request_mem_region(&op->dev, r.start,
- r.end - r.start + 1, pdata->name)) {
+ if (!devm_request_mem_region(&op->dev, r.start, resource_size(&r),
+ pdata->name)) {
printk(KERN_ERR "%s: Error while requesting mem region\n",
__func__);
res = -EBUSY;
goto err;
}
- pdata->l2_vbase = devm_ioremap(&op->dev, r.start, r.end - r.start + 1);
+ pdata->l2_vbase = devm_ioremap(&op->dev, r.start, resource_size(&r));
if (!pdata->l2_vbase) {
printk(KERN_ERR "%s: Unable to setup L2 err regs\n", __func__);
res = -ENOMEM;
@@ -987,15 +987,15 @@
goto err;
}
- if (!devm_request_mem_region(&op->dev, r.start,
- r.end - r.start + 1, pdata->name)) {
+ if (!devm_request_mem_region(&op->dev, r.start, resource_size(&r),
+ pdata->name)) {
printk(KERN_ERR "%s: Error while requesting mem region\n",
__func__);
res = -EBUSY;
goto err;
}
- pdata->mc_vbase = devm_ioremap(&op->dev, r.start, r.end - r.start + 1);
+ pdata->mc_vbase = devm_ioremap(&op->dev, r.start, resource_size(&r));
if (!pdata->mc_vbase) {
printk(KERN_ERR "%s: Unable to setup MC err regs\n", __func__);
res = -ENOMEM;
diff --git a/drivers/gpio/gpio-u300.c b/drivers/gpio/gpio-u300.c
index d927901..1a86fef 100644
--- a/drivers/gpio/gpio-u300.c
+++ b/drivers/gpio/gpio-u300.c
@@ -581,8 +581,8 @@
if (!memres)
goto err_no_resource;
- if (request_mem_region(memres->start, memres->end - memres->start, "GPIO Controller")
- == NULL) {
+ if (!request_mem_region(memres->start, resource_size(memres),
+ "GPIO Controller")) {
err = -ENODEV;
goto err_no_ioregion;
}
@@ -640,7 +640,7 @@
free_irq(gpio_ports[i].irq, &gpio_ports[i]);
iounmap(virtbase);
err_no_ioremap:
- release_mem_region(memres->start, memres->end - memres->start);
+ release_mem_region(memres->start, resource_size(memres));
err_no_ioregion:
err_no_resource:
clk_disable(clk);
@@ -660,7 +660,7 @@
for (i = 0 ; i < U300_GPIO_NUM_PORTS; i++)
free_irq(gpio_ports[i].irq, &gpio_ports[i]);
iounmap(virtbase);
- release_mem_region(memres->start, memres->end - memres->start);
+ release_mem_region(memres->start, resource_size(memres));
clk_disable(clk);
clk_put(clk);
return 0;
diff --git a/drivers/ide/palm_bk3710.c b/drivers/ide/palm_bk3710.c
index 9e8f4e1..712c790 100644
--- a/drivers/ide/palm_bk3710.c
+++ b/drivers/ide/palm_bk3710.c
@@ -342,7 +342,7 @@
return -ENODEV;
}
- mem_size = mem->end - mem->start + 1;
+ mem_size = resource_size(mem);
if (request_mem_region(mem->start, mem_size, "palm_bk3710") == NULL) {
printk(KERN_ERR "failed to request memory region\n");
return -EBUSY;
diff --git a/drivers/ide/tx4939ide.c b/drivers/ide/tx4939ide.c
index bed3e39..71c2319 100644
--- a/drivers/ide/tx4939ide.c
+++ b/drivers/ide/tx4939ide.c
@@ -551,10 +551,10 @@
return -ENODEV;
if (!devm_request_mem_region(&pdev->dev, res->start,
- res->end - res->start + 1, "tx4938ide"))
+ resource_size(res), "tx4938ide"))
return -EBUSY;
mapbase = (unsigned long)devm_ioremap(&pdev->dev, res->start,
- res->end - res->start + 1);
+ resource_size(res));
if (!mapbase)
return -EBUSY;
memset(&hw, 0, sizeof(hw));
diff --git a/drivers/input/serio/sa1111ps2.c b/drivers/input/serio/sa1111ps2.c
index d55874e..44fc8b4 100644
--- a/drivers/input/serio/sa1111ps2.c
+++ b/drivers/input/serio/sa1111ps2.c
@@ -300,8 +300,7 @@
out:
sa1111_disable_device(ps2if->dev);
- release_mem_region(dev->res.start,
- dev->res.end - dev->res.start + 1);
+ release_mem_region(dev->res.start, resource_size(&dev->res));
free:
sa1111_set_drvdata(dev, NULL);
kfree(ps2if);
@@ -317,8 +316,7 @@
struct ps2if *ps2if = sa1111_get_drvdata(dev);
serio_unregister_port(ps2if->io);
- release_mem_region(dev->res.start,
- dev->res.end - dev->res.start + 1);
+ release_mem_region(dev->res.start, resource_size(&dev->res));
sa1111_set_drvdata(dev, NULL);
kfree(ps2if);
diff --git a/drivers/media/video/davinci/vpif.c b/drivers/media/video/davinci/vpif.c
index 9f3bfc1..af96802 100644
--- a/drivers/media/video/davinci/vpif.c
+++ b/drivers/media/video/davinci/vpif.c
@@ -422,7 +422,7 @@
if (!res)
return -ENOENT;
- res_len = res->end - res->start + 1;
+ res_len = resource_size(res);
res = request_mem_region(res->start, res_len, res->name);
if (!res)
diff --git a/drivers/media/video/omap24xxcam.c b/drivers/media/video/omap24xxcam.c
index f6626e8..69b60ba5 100644
--- a/drivers/media/video/omap24xxcam.c
+++ b/drivers/media/video/omap24xxcam.c
@@ -1768,14 +1768,13 @@
dev_err(cam->dev, "no mem resource?\n");
goto err;
}
- if (!request_mem_region(mem->start, (mem->end - mem->start) + 1,
- pdev->name)) {
+ if (!request_mem_region(mem->start, resource_size(mem), pdev->name)) {
dev_err(cam->dev,
"cannot reserve camera register I/O region\n");
goto err;
}
cam->mmio_base_phys = mem->start;
- cam->mmio_size = (mem->end - mem->start) + 1;
+ cam->mmio_size = resource_size(mem);
/* map the region */
cam->mmio_base = (unsigned long)
diff --git a/drivers/message/i2o/iop.c b/drivers/message/i2o/iop.c
index 090d2a3..a8c08f3 100644
--- a/drivers/message/i2o/iop.c
+++ b/drivers/message/i2o/iop.c
@@ -681,11 +681,11 @@
if (root && allocate_resource(root, res, sb->desired_mem_size, sb->desired_mem_size, sb->desired_mem_size, 1 << 20, /* Unspecified, so use 1Mb and play safe */
NULL, NULL) >= 0) {
c->mem_alloc = 1;
- sb->current_mem_size = 1 + res->end - res->start;
+ sb->current_mem_size = resource_size(res);
sb->current_mem_base = res->start;
osm_info("%s: allocated %llu bytes of PCI memory at "
"0x%016llX.\n", c->name,
- (unsigned long long)(1 + res->end - res->start),
+ (unsigned long long)resource_size(res),
(unsigned long long)res->start);
}
}
@@ -703,11 +703,11 @@
if (root && allocate_resource(root, res, sb->desired_io_size, sb->desired_io_size, sb->desired_io_size, 1 << 20, /* Unspecified, so use 1Mb and play safe */
NULL, NULL) >= 0) {
c->io_alloc = 1;
- sb->current_io_size = 1 + res->end - res->start;
+ sb->current_io_size = resource_size(res);
sb->current_mem_base = res->start;
osm_info("%s: allocated %llu bytes of PCI I/O at "
"0x%016llX.\n", c->name,
- (unsigned long long)(1 + res->end - res->start),
+ (unsigned long long)resource_size(res),
(unsigned long long)res->start);
}
}
diff --git a/drivers/mfd/tc6387xb.c b/drivers/mfd/tc6387xb.c
index ad715bf..71bc835 100644
--- a/drivers/mfd/tc6387xb.c
+++ b/drivers/mfd/tc6387xb.c
@@ -177,7 +177,7 @@
if (ret)
goto err_resource;
- tc6387xb->scr = ioremap(rscr->start, rscr->end - rscr->start + 1);
+ tc6387xb->scr = ioremap(rscr->start, resource_size(rscr));
if (!tc6387xb->scr) {
ret = -ENOMEM;
goto err_ioremap;
diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c
index 4afffe6..769a4e8 100644
--- a/drivers/misc/atmel-ssc.c
+++ b/drivers/misc/atmel-ssc.c
@@ -95,7 +95,7 @@
}
ssc->pdev = pdev;
- ssc->regs = ioremap(regs->start, regs->end - regs->start + 1);
+ ssc->regs = ioremap(regs->start, resource_size(regs));
if (!ssc->regs) {
dev_dbg(&pdev->dev, "ioremap failed\n");
retval = -EINVAL;
diff --git a/drivers/misc/atmel_pwm.c b/drivers/misc/atmel_pwm.c
index 0f3fb4f..28f5aaa 100644
--- a/drivers/misc/atmel_pwm.c
+++ b/drivers/misc/atmel_pwm.c
@@ -329,7 +329,7 @@
p->pdev = pdev;
p->mask = *mp;
p->irq = irq;
- p->base = ioremap(r->start, r->end - r->start + 1);
+ p->base = ioremap(r->start, resource_size(r));
if (!p->base)
goto fail;
p->clk = clk_get(&pdev->dev, "pwm_clk");
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 66dcddb..2a069f9 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -1595,7 +1595,7 @@
INIT_LIST_HEAD(&host->queue);
ret = -ENOMEM;
- host->regs = ioremap(regs->start, regs->end - regs->start + 1);
+ host->regs = ioremap(regs->start, resource_size(regs));
if (!host->regs)
goto err_freehost;
diff --git a/drivers/mtd/maps/bfin-async-flash.c b/drivers/mtd/maps/bfin-async-flash.c
index d4297a9..67815ee 100644
--- a/drivers/mtd/maps/bfin-async-flash.c
+++ b/drivers/mtd/maps/bfin-async-flash.c
@@ -142,7 +142,7 @@
state->map.write = bfin_flash_write;
state->map.copy_to = bfin_flash_copy_to;
state->map.bankwidth = pdata->width;
- state->map.size = memory->end - memory->start + 1;
+ state->map.size = resource_size(memory);
state->map.virt = (void __iomem *)memory->start;
state->map.phys = memory->start;
state->map.map_priv_1 = (unsigned long)state;
diff --git a/drivers/mtd/maps/ixp2000.c b/drivers/mtd/maps/ixp2000.c
index c00b917..1594a80 100644
--- a/drivers/mtd/maps/ixp2000.c
+++ b/drivers/mtd/maps/ixp2000.c
@@ -155,7 +155,7 @@
if (!plat)
return -ENODEV;
- window_size = dev->resource->end - dev->resource->start + 1;
+ window_size = resource_size(dev->resource);
dev_info(&dev->dev, "Probe of IXP2000 flash(%d banks x %dMiB)\n",
ixp_data->nr_banks, ((u32)window_size >> 20));
@@ -194,16 +194,17 @@
info->map.copy_to = ixp2000_flash_copy_to;
info->res = request_mem_region(dev->resource->start,
- dev->resource->end - dev->resource->start + 1,
- dev_name(&dev->dev));
+ resource_size(dev->resource),
+ dev_name(&dev->dev));
if (!info->res) {
dev_err(&dev->dev, "Could not reserve memory region\n");
err = -ENOMEM;
goto Error;
}
- info->map.map_priv_1 = (unsigned long) ioremap(dev->resource->start,
- dev->resource->end - dev->resource->start + 1);
+ info->map.map_priv_1 =
+ (unsigned long)ioremap(dev->resource->start,
+ resource_size(dev->resource));
if (!info->map.map_priv_1) {
dev_err(&dev->dev, "Failed to ioremap flash region\n");
err = -EIO;
diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c
index f59d62f..7ae137d 100644
--- a/drivers/mtd/maps/pxa2xx-flash.c
+++ b/drivers/mtd/maps/pxa2xx-flash.c
@@ -70,7 +70,7 @@
info->map.name = (char *) flash->name;
info->map.bankwidth = flash->width;
info->map.phys = res->start;
- info->map.size = res->end - res->start + 1;
+ info->map.size = resource_size(res);
info->parts = flash->parts;
info->nr_parts = flash->nr_parts;
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index b300705..d4ba1f21 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -513,7 +513,7 @@
host->io_phys = (dma_addr_t)mem->start;
- host->io_base = ioremap(mem->start, mem->end - mem->start + 1);
+ host->io_base = ioremap(mem->start, resource_size(mem));
if (host->io_base == NULL) {
printk(KERN_ERR "atmel_nand: ioremap failed\n");
res = -EIO;
@@ -547,7 +547,7 @@
if (no_ecc)
nand_chip->ecc.mode = NAND_ECC_NONE;
if (hard_ecc && regs) {
- host->ecc = ioremap(regs->start, regs->end - regs->start + 1);
+ host->ecc = ioremap(regs->start, resource_size(regs));
if (host->ecc == NULL) {
printk(KERN_ERR "atmel_nand: ioremap failed\n");
res = -EIO;
diff --git a/drivers/mtd/nand/bcm_umi_nand.c b/drivers/mtd/nand/bcm_umi_nand.c
index 9ec2807..8c569e4 100644
--- a/drivers/mtd/nand/bcm_umi_nand.c
+++ b/drivers/mtd/nand/bcm_umi_nand.c
@@ -380,7 +380,7 @@
return -ENXIO;
/* map physical address */
- bcm_umi_io_base = ioremap(r->start, r->end - r->start + 1);
+ bcm_umi_io_base = ioremap(r->start, resource_size(r));
if (!bcm_umi_io_base) {
printk(KERN_ERR "ioremap to access BCM UMI NAND chip failed\n");
diff --git a/drivers/mtd/nand/mpc5121_nfc.c b/drivers/mtd/nand/mpc5121_nfc.c
index 2f7c930..eb1fbac 100644
--- a/drivers/mtd/nand/mpc5121_nfc.c
+++ b/drivers/mtd/nand/mpc5121_nfc.c
@@ -713,7 +713,7 @@
}
regs_paddr = res.start;
- regs_size = res.end - res.start + 1;
+ regs_size = resource_size(&res);
if (!devm_request_mem_region(dev, regs_paddr, regs_size, DRV_NAME)) {
dev_err(dev, "Error requesting memory region!\n");
diff --git a/drivers/net/bcm63xx_enet.c b/drivers/net/bcm63xx_enet.c
index f1573d4..85045cd 100644
--- a/drivers/net/bcm63xx_enet.c
+++ b/drivers/net/bcm63xx_enet.c
@@ -1646,7 +1646,7 @@
if (ret)
goto out;
- iomem_size = res_mem->end - res_mem->start + 1;
+ iomem_size = resource_size(res_mem);
if (!request_mem_region(res_mem->start, iomem_size, "bcm63xx_enet")) {
ret = -EBUSY;
goto out;
@@ -1861,7 +1861,7 @@
/* release device resources */
iounmap(priv->base);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));
/* disable hw block clocks */
if (priv->phy_clk) {
@@ -1897,7 +1897,7 @@
if (!res)
return -ENODEV;
- iomem_size = res->end - res->start + 1;
+ iomem_size = resource_size(res);
if (!request_mem_region(res->start, iomem_size, "bcm63xx_enet_dma"))
return -EBUSY;
@@ -1915,7 +1915,7 @@
iounmap(bcm_enet_shared_base);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));
return 0;
}
diff --git a/drivers/net/can/softing/softing_main.c b/drivers/net/can/softing/softing_main.c
index 60a49e5..f76e88e 100644
--- a/drivers/net/can/softing/softing_main.c
+++ b/drivers/net/can/softing/softing_main.c
@@ -799,7 +799,7 @@
if (!pres)
goto platform_resource_failed;
card->dpram_phys = pres->start;
- card->dpram_size = pres->end - pres->start + 1;
+ card->dpram_size = resource_size(pres);
card->dpram = ioremap_nocache(card->dpram_phys, card->dpram_size);
if (!card->dpram) {
dev_alert(&card->pdev->dev, "dpram ioremap failed\n");
diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
index dcc4a17..c35ba5f 100644
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -1821,7 +1821,7 @@
}
priv->emac_base_phys = res->start + pdata->ctrl_reg_offset;
- size = res->end - res->start + 1;
+ size = resource_size(res);
if (!request_mem_region(res->start, size, ndev->name)) {
dev_err(&pdev->dev, "failed request_mem_region() for regs\n");
rc = -ENXIO;
@@ -1926,7 +1926,7 @@
cpdma_ctlr_destroy(priv->dma);
no_dma:
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));
iounmap(priv->remap_addr);
probe_quit:
@@ -1960,7 +1960,7 @@
cpdma_chan_destroy(priv->rxchan);
cpdma_ctlr_destroy(priv->dma);
- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));
unregister_netdev(ndev);
iounmap(priv->remap_addr);
diff --git a/drivers/net/ethoc.c b/drivers/net/ethoc.c
index a83dd312c..15e4a71 100644
--- a/drivers/net/ethoc.c
+++ b/drivers/net/ethoc.c
@@ -965,7 +965,7 @@
priv = netdev_priv(netdev);
priv->netdev = netdev;
priv->dma_alloc = 0;
- priv->io_region_size = mmio->end - mmio->start + 1;
+ priv->io_region_size = resource_size(mmio);
priv->iobase = devm_ioremap_nocache(&pdev->dev, netdev->base_addr,
resource_size(mmio));
diff --git a/drivers/net/fec_mpc52xx.c b/drivers/net/fec_mpc52xx.c
index 9f81b1a..fe57eee 100644
--- a/drivers/net/fec_mpc52xx.c
+++ b/drivers/net/fec_mpc52xx.c
@@ -867,10 +867,11 @@
"Error while parsing device node resource\n" );
goto err_netdev;
}
- if ((mem.end - mem.start + 1) < sizeof(struct mpc52xx_fec)) {
+ if (resource_size(&mem) < sizeof(struct mpc52xx_fec)) {
printk(KERN_ERR DRIVER_NAME
- " - invalid resource size (%lx < %x), check mpc52xx_devices.c\n",
- (unsigned long)(mem.end - mem.start + 1), sizeof(struct mpc52xx_fec));
+ " - invalid resource size (%lx < %x), check mpc52xx_devices.c\n",
+ (unsigned long)resource_size(&mem),
+ sizeof(struct mpc52xx_fec));
rv = -EINVAL;
goto err_netdev;
}
diff --git a/drivers/net/fs_enet/mii-bitbang.c b/drivers/net/fs_enet/mii-bitbang.c
index ad29754..b09270b 100644
--- a/drivers/net/fs_enet/mii-bitbang.c
+++ b/drivers/net/fs_enet/mii-bitbang.c
@@ -120,7 +120,7 @@
if (ret)
return ret;
- if (res.end - res.start < 13)
+ if (resource_size(&res) <= 13)
return -ENODEV;
/* This should really encode the pin number as well, but all
@@ -139,7 +139,7 @@
return -ENODEV;
mdc_pin = *data;
- bitbang->dir = ioremap(res.start, res.end - res.start + 1);
+ bitbang->dir = ioremap(res.start, resource_size(&res));
if (!bitbang->dir)
return -ENOMEM;
diff --git a/drivers/net/fs_enet/mii-fec.c b/drivers/net/fs_enet/mii-fec.c
index 6a2e150..e0e9d6c 100644
--- a/drivers/net/fs_enet/mii-fec.c
+++ b/drivers/net/fs_enet/mii-fec.c
@@ -136,7 +136,7 @@
snprintf(new_bus->id, MII_BUS_ID_SIZE, "%x", res.start);
- fec->fecp = ioremap(res.start, res.end - res.start + 1);
+ fec->fecp = ioremap(res.start, resource_size(&res));
if (!fec->fecp)
goto out_fec;
diff --git a/drivers/net/gianfar_ptp.c b/drivers/net/gianfar_ptp.c
index d8e1753..1c97861 100644
--- a/drivers/net/gianfar_ptp.c
+++ b/drivers/net/gianfar_ptp.c
@@ -491,7 +491,7 @@
spin_lock_init(&etsects->lock);
etsects->regs = ioremap(etsects->rsrc->start,
- 1 + etsects->rsrc->end - etsects->rsrc->start);
+ resource_size(etsects->rsrc));
if (!etsects->regs) {
pr_err("ioremap ptp registers failed\n");
goto no_ioremap;
diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index 079450f..725399e 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -2770,7 +2770,7 @@
}
// TODO : request_mem_region
dev->emacp = ioremap(dev->rsrc_regs.start,
- dev->rsrc_regs.end - dev->rsrc_regs.start + 1);
+ resource_size(&dev->rsrc_regs));
if (dev->emacp == NULL) {
printk(KERN_ERR "%s: Can't map device registers!\n",
np->full_name);
diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index 6c6a028..27125cd 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -1169,7 +1169,7 @@
clk_enable(bp->hclk);
#endif
- bp->regs = ioremap(regs->start, regs->end - regs->start + 1);
+ bp->regs = ioremap(regs->start, resource_size(regs));
if (!bp->regs) {
dev_err(&pdev->dev, "failed to map registers, aborting.\n");
err = -ENOMEM;
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index a5d9b1c..b756482 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -2593,7 +2593,7 @@
if (msp == NULL)
goto out;
- msp->base = ioremap(res->start, res->end - res->start + 1);
+ msp->base = ioremap(res->start, resource_size(res));
if (msp->base == NULL)
goto out_free;
diff --git a/drivers/net/pxa168_eth.c b/drivers/net/pxa168_eth.c
index 89f7540..df1292e 100644
--- a/drivers/net/pxa168_eth.c
+++ b/drivers/net/pxa168_eth.c
@@ -1502,7 +1502,7 @@
err = -ENODEV;
goto err_netdev;
}
- pep->base = ioremap(res->start, res->end - res->start + 1);
+ pep->base = ioremap(res->start, resource_size(res));
if (pep->base == NULL) {
err = -ENOMEM;
goto err_netdev;
diff --git a/drivers/net/sb1250-mac.c b/drivers/net/sb1250-mac.c
index 68d5042..ea65f7e 100644
--- a/drivers/net/sb1250-mac.c
+++ b/drivers/net/sb1250-mac.c
@@ -2597,7 +2597,7 @@
res = platform_get_resource(pldev, IORESOURCE_MEM, 0);
BUG_ON(!res);
- sbm_base = ioremap_nocache(res->start, res->end - res->start + 1);
+ sbm_base = ioremap_nocache(res->start, resource_size(res));
if (!sbm_base) {
printk(KERN_ERR "%s: unable to map device registers\n",
dev_name(&pldev->dev));
diff --git a/drivers/parport/parport_ax88796.c b/drivers/parport/parport_ax88796.c
index 2c5ac2b..844f613 100644
--- a/drivers/parport/parport_ax88796.c
+++ b/drivers/parport/parport_ax88796.c
@@ -293,7 +293,7 @@
goto exit_mem;
}
- size = (res->end - res->start) + 1;
+ size = resource_size(res);
spacing = size / 3;
dd->io = request_mem_region(res->start, size, pdev->name);
diff --git a/drivers/pci/hotplug/shpchp_sysfs.c b/drivers/pci/hotplug/shpchp_sysfs.c
index 071b7dc..efa30da 100644
--- a/drivers/pci/hotplug/shpchp_sysfs.c
+++ b/drivers/pci/hotplug/shpchp_sysfs.c
@@ -50,29 +50,26 @@
pci_bus_for_each_resource(bus, res, index) {
if (res && (res->flags & IORESOURCE_MEM) &&
!(res->flags & IORESOURCE_PREFETCH)) {
- out += sprintf(out, "start = %8.8llx, "
- "length = %8.8llx\n",
- (unsigned long long)res->start,
- (unsigned long long)(res->end - res->start));
+ out += sprintf(out, "start = %8.8llx, length = %8.8llx\n",
+ (unsigned long long)res->start,
+ (unsigned long long)resource_size(res));
}
}
out += sprintf(out, "Free resources: prefetchable memory\n");
pci_bus_for_each_resource(bus, res, index) {
if (res && (res->flags & IORESOURCE_MEM) &&
(res->flags & IORESOURCE_PREFETCH)) {
- out += sprintf(out, "start = %8.8llx, "
- "length = %8.8llx\n",
- (unsigned long long)res->start,
- (unsigned long long)(res->end - res->start));
+ out += sprintf(out, "start = %8.8llx, length = %8.8llx\n",
+ (unsigned long long)res->start,
+ (unsigned long long)resource_size(res));
}
}
out += sprintf(out, "Free resources: IO\n");
pci_bus_for_each_resource(bus, res, index) {
if (res && (res->flags & IORESOURCE_IO)) {
- out += sprintf(out, "start = %8.8llx, "
- "length = %8.8llx\n",
- (unsigned long long)res->start,
- (unsigned long long)(res->end - res->start));
+ out += sprintf(out, "start = %8.8llx, length = %8.8llx\n",
+ (unsigned long long)res->start,
+ (unsigned long long)resource_size(res));
}
}
out += sprintf(out, "Free resources: bus numbers\n");
diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c
index fb33fa4..4902206 100644
--- a/drivers/pcmcia/at91_cf.c
+++ b/drivers/pcmcia/at91_cf.c
@@ -283,8 +283,7 @@
}
/* reserve chip-select regions */
- if (!request_mem_region(io->start, io->end + 1 - io->start,
- driver_name)) {
+ if (!request_mem_region(io->start, resource_size(io), driver_name)) {
status = -ENXIO;
goto fail1;
}
@@ -308,7 +307,7 @@
return 0;
fail2:
- release_mem_region(io->start, io->end + 1 - io->start);
+ release_mem_region(io->start, resource_size(io));
fail1:
if (cf->socket.io_offset)
iounmap((void __iomem *) cf->socket.io_offset);
@@ -339,7 +338,7 @@
struct resource *io = cf->socket.io[0].res;
pcmcia_unregister_socket(&cf->socket);
- release_mem_region(io->start, io->end + 1 - io->start);
+ release_mem_region(io->start, resource_size(io));
iounmap((void __iomem *) cf->socket.io_offset);
if (board->irq_pin) {
free_irq(board->irq_pin, cf);
diff --git a/drivers/pcmcia/electra_cf.c b/drivers/pcmcia/electra_cf.c
index 6defd4a..06ad3e5 100644
--- a/drivers/pcmcia/electra_cf.c
+++ b/drivers/pcmcia/electra_cf.c
@@ -209,9 +209,9 @@
cf->ofdev = ofdev;
cf->mem_phys = mem.start;
- cf->mem_size = PAGE_ALIGN(mem.end - mem.start);
+ cf->mem_size = PAGE_ALIGN(resource_size(&mem));
cf->mem_base = ioremap(cf->mem_phys, cf->mem_size);
- cf->io_size = PAGE_ALIGN(io.end - io.start);
+ cf->io_size = PAGE_ALIGN(resource_size(&io));
area = __get_vm_area(cf->io_size, 0, PHB_IO_BASE, PHB_IO_END);
if (area == NULL)
diff --git a/drivers/pcmcia/rsrc_iodyn.c b/drivers/pcmcia/rsrc_iodyn.c
index 523eb69..f53c237 100644
--- a/drivers/pcmcia/rsrc_iodyn.c
+++ b/drivers/pcmcia/rsrc_iodyn.c
@@ -135,7 +135,7 @@
try = res->end + 1;
if ((*base == 0) || (*base == try)) {
if (adjust_resource(s->io[i].res, res->start,
- res->end - res->start + num + 1))
+ resource_size(res) + num))
continue;
*base = try;
s->io[i].InUse += num;
@@ -147,8 +147,8 @@
try = res->start - num;
if ((*base == 0) || (*base == try)) {
if (adjust_resource(s->io[i].res,
- res->start - num,
- res->end - res->start + num + 1))
+ res->start - num,
+ resource_size(res) + num))
continue;
*base = try;
s->io[i].InUse += num;
diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c
index b187555..9da9656 100644
--- a/drivers/pcmcia/rsrc_nonstatic.c
+++ b/drivers/pcmcia/rsrc_nonstatic.c
@@ -770,7 +770,7 @@
res->end + num);
if (!ret) {
ret = adjust_resource(s->io[i].res, res->start,
- res->end - res->start + num + 1);
+ resource_size(res) + num);
if (ret)
continue;
*base = try;
@@ -788,8 +788,8 @@
res->end);
if (!ret) {
ret = adjust_resource(s->io[i].res,
- res->start - num,
- res->end - res->start + num + 1);
+ res->start - num,
+ resource_size(res) + num);
if (ret)
continue;
*base = try;
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index 100e4d9..1a6937d9 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -1018,7 +1018,7 @@
io->minimum = p->start;
io->maximum = p->end;
io->alignment = 0; /* Correct? */
- io->address_length = p->end - p->start + 1;
+ io->address_length = resource_size(p);
} else {
io->minimum = 0;
io->address_length = 0;
@@ -1036,7 +1036,7 @@
if (pnp_resource_enabled(p)) {
fixed_io->address = p->start;
- fixed_io->address_length = p->end - p->start + 1;
+ fixed_io->address_length = resource_size(p);
} else {
fixed_io->address = 0;
fixed_io->address_length = 0;
@@ -1059,7 +1059,7 @@
memory24->minimum = p->start;
memory24->maximum = p->end;
memory24->alignment = 0;
- memory24->address_length = p->end - p->start + 1;
+ memory24->address_length = resource_size(p);
} else {
memory24->minimum = 0;
memory24->address_length = 0;
@@ -1083,7 +1083,7 @@
memory32->minimum = p->start;
memory32->maximum = p->end;
memory32->alignment = 0;
- memory32->address_length = p->end - p->start + 1;
+ memory32->address_length = resource_size(p);
} else {
memory32->minimum = 0;
memory32->alignment = 0;
@@ -1106,7 +1106,7 @@
p->flags & IORESOURCE_MEM_WRITEABLE ?
ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
fixed_memory32->address = p->start;
- fixed_memory32->address_length = p->end - p->start + 1;
+ fixed_memory32->address_length = resource_size(p);
} else {
fixed_memory32->address = 0;
fixed_memory32->address_length = 0;
diff --git a/drivers/pnp/pnpbios/rsparser.c b/drivers/pnp/pnpbios/rsparser.c
index cb1f47b..cca2f9f 100644
--- a/drivers/pnp/pnpbios/rsparser.c
+++ b/drivers/pnp/pnpbios/rsparser.c
@@ -505,7 +505,7 @@
if (pnp_resource_enabled(res)) {
base = res->start;
- len = res->end - res->start + 1;
+ len = resource_size(res);
} else {
base = 0;
len = 0;
@@ -529,7 +529,7 @@
if (pnp_resource_enabled(res)) {
base = res->start;
- len = res->end - res->start + 1;
+ len = resource_size(res);
} else {
base = 0;
len = 0;
@@ -559,7 +559,7 @@
if (pnp_resource_enabled(res)) {
base = res->start;
- len = res->end - res->start + 1;
+ len = resource_size(res);
} else {
base = 0;
len = 0;
@@ -617,7 +617,7 @@
if (pnp_resource_enabled(res)) {
base = res->start;
- len = res->end - res->start + 1;
+ len = resource_size(res);
} else {
base = 0;
len = 0;
@@ -636,11 +636,11 @@
struct resource *res)
{
unsigned long base = res->start;
- unsigned long len = res->end - res->start + 1;
+ unsigned long len = resource_size(res);
if (pnp_resource_enabled(res)) {
base = res->start;
- len = res->end - res->start + 1;
+ len = resource_size(res);
} else {
base = 0;
len = 0;
diff --git a/drivers/rtc/rtc-at32ap700x.c b/drivers/rtc/rtc-at32ap700x.c
index e725d51..8dd0830 100644
--- a/drivers/rtc/rtc-at32ap700x.c
+++ b/drivers/rtc/rtc-at32ap700x.c
@@ -223,7 +223,7 @@
}
rtc->irq = irq;
- rtc->regs = ioremap(regs->start, regs->end - regs->start + 1);
+ rtc->regs = ioremap(regs->start, resource_size(regs));
if (!rtc->regs) {
ret = -ENOMEM;
dev_dbg(&pdev->dev, "could not map I/O memory\n");
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index 911e75c..05beb6c 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -606,7 +606,7 @@
* (needing ioremap etc), not i/o space resources like this ...
*/
ports = request_region(ports->start,
- ports->end + 1 - ports->start,
+ resource_size(ports),
driver_name);
if (!ports) {
dev_dbg(dev, "i/o registers already in use\n");
@@ -750,7 +750,7 @@
cmos_rtc.dev = NULL;
rtc_device_unregister(cmos_rtc.rtc);
cleanup0:
- release_region(ports->start, ports->end + 1 - ports->start);
+ release_region(ports->start, resource_size(ports));
return retval;
}
@@ -779,7 +779,7 @@
cmos->rtc = NULL;
ports = cmos->iomem;
- release_region(ports->start, ports->end + 1 - ports->start);
+ release_region(ports->start, resource_size(ports));
cmos->iomem = NULL;
cmos->dev = NULL;
diff --git a/drivers/rtc/rtc-ds1286.c b/drivers/rtc/rtc-ds1286.c
index 47e681d..68e6caf 100644
--- a/drivers/rtc/rtc-ds1286.c
+++ b/drivers/rtc/rtc-ds1286.c
@@ -343,7 +343,7 @@
if (!priv)
return -ENOMEM;
- priv->size = res->end - res->start + 1;
+ priv->size = resource_size(res);
if (!request_mem_region(res->start, priv->size, pdev->name)) {
ret = -EBUSY;
goto out;
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index fbabc77..568ad30 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -490,7 +490,7 @@
pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return -ENOMEM;
- pdata->size = res->end - res->start + 1;
+ pdata->size = resource_size(res);
if (!devm_request_mem_region(&pdev->dev, res->start, pdata->size,
pdev->name))
return -EBUSY;
diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c
index 042630c..d84a448d 100644
--- a/drivers/rtc/rtc-ds1742.c
+++ b/drivers/rtc/rtc-ds1742.c
@@ -173,7 +173,7 @@
pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return -ENOMEM;
- pdata->size = res->end - res->start + 1;
+ pdata->size = resource_size(res);
if (!devm_request_mem_region(&pdev->dev, res->start, pdata->size,
pdev->name))
return -EBUSY;
diff --git a/drivers/rtc/rtc-m48t35.c b/drivers/rtc/rtc-m48t35.c
index 7410875..8e2a24e 100644
--- a/drivers/rtc/rtc-m48t35.c
+++ b/drivers/rtc/rtc-m48t35.c
@@ -154,7 +154,7 @@
if (!priv)
return -ENOMEM;
- priv->size = res->end - res->start + 1;
+ priv->size = resource_size(res);
/*
* kludge: remove the #ifndef after ioc3 resource
* conflicts are resolved
diff --git a/drivers/rtc/rtc-m48t59.c b/drivers/rtc/rtc-m48t59.c
index 3978f4c..2836538 100644
--- a/drivers/rtc/rtc-m48t59.c
+++ b/drivers/rtc/rtc-m48t59.c
@@ -433,7 +433,7 @@
if (!m48t59->ioaddr) {
/* ioaddr not mapped externally */
- m48t59->ioaddr = ioremap(res->start, res->end - res->start + 1);
+ m48t59->ioaddr = ioremap(res->start, resource_size(res));
if (!m48t59->ioaddr)
goto out;
}
diff --git a/drivers/rtc/rtc-mrst.c b/drivers/rtc/rtc-mrst.c
index 0cec565..d335448 100644
--- a/drivers/rtc/rtc-mrst.c
+++ b/drivers/rtc/rtc-mrst.c
@@ -332,9 +332,8 @@
if (!iomem)
return -ENODEV;
- iomem = request_mem_region(iomem->start,
- iomem->end + 1 - iomem->start,
- driver_name);
+ iomem = request_mem_region(iomem->start, resource_size(iomem),
+ driver_name);
if (!iomem) {
dev_dbg(dev, "i/o mem already in use.\n");
return -EBUSY;
diff --git a/drivers/rtc/rtc-puv3.c b/drivers/rtc/rtc-puv3.c
index 46f14b8..b3eba3c 100644
--- a/drivers/rtc/rtc-puv3.c
+++ b/drivers/rtc/rtc-puv3.c
@@ -267,9 +267,8 @@
return -ENOENT;
}
- puv3_rtc_mem = request_mem_region(res->start,
- res->end-res->start+1,
- pdev->name);
+ puv3_rtc_mem = request_mem_region(res->start, resource_size(res),
+ pdev->name);
if (puv3_rtc_mem == NULL) {
dev_err(&pdev->dev, "failed to reserve memory region\n");
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index 16512ec..2a65e85 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -455,8 +455,7 @@
return -ENOENT;
}
- s3c_rtc_mem = request_mem_region(res->start,
- res->end-res->start+1,
+ s3c_rtc_mem = request_mem_region(res->start, resource_size(res),
pdev->name);
if (s3c_rtc_mem == NULL) {
@@ -465,7 +464,7 @@
goto err_nores;
}
- s3c_rtc_base = ioremap(res->start, res->end - res->start + 1);
+ s3c_rtc_base = ioremap(res->start, resource_size(res));
if (s3c_rtc_base == NULL) {
dev_err(&pdev->dev, "failed ioremap()\n");
ret = -EINVAL;
diff --git a/drivers/staging/generic_serial/ser_a2232.c b/drivers/staging/generic_serial/ser_a2232.c
index 3f47c2e..0c08e1c 100644
--- a/drivers/staging/generic_serial/ser_a2232.c
+++ b/drivers/staging/generic_serial/ser_a2232.c
@@ -746,7 +746,8 @@
zd_a2232[nr_a2232] = z;
boardaddr = ZTWO_VADDR( z->resource.start );
- printk("Board is located at address 0x%x, size is 0x%x.\n", boardaddr, (unsigned int) ((z->resource.end+1) - (z->resource.start)));
+ printk("Board is located at address 0x%x, size is 0x%x\n",
+ boardaddr, (unsigned int)resource_size(&z->resource));
mem = (volatile struct a2232memory *) boardaddr;
diff --git a/drivers/staging/gma500/psb_gtt.c b/drivers/staging/gma500/psb_gtt.c
index 74c5a65..280f9d4 100644
--- a/drivers/staging/gma500/psb_gtt.c
+++ b/drivers/staging/gma500/psb_gtt.c
@@ -80,7 +80,7 @@
{
struct drm_psb_private *dev_priv = dev->dev_private;
u32 *gtt_slot, pte;
- int numpages = (r->resource.end + 1 - r->resource.start) >> PAGE_SHIFT;
+ int numpages = resource_size(&r->resource) >> PAGE_SHIFT;
struct page **pages;
int i;
@@ -121,7 +121,7 @@
{
struct drm_psb_private *dev_priv = dev->dev_private;
u32 *gtt_slot, pte;
- int numpages = (r->resource.end + 1 - r->resource.start) >> PAGE_SHIFT;
+ int numpages = resource_size(&r->resource) >> PAGE_SHIFT;
int i;
WARN_ON(r->stolen);
@@ -149,7 +149,7 @@
struct address_space *mapping;
int i;
struct page *p;
- int pages = (gt->resource.end + 1 - gt->resource.start) >> PAGE_SHIFT;
+ int pages = resource_size(>->resource) >> PAGE_SHIFT;
WARN_ON(gt->pages);
@@ -191,7 +191,7 @@
static void psb_gtt_detach_pages(struct gtt_range *gt)
{
int i;
- int pages = (gt->resource.end + 1 - gt->resource.start) >> PAGE_SHIFT;
+ int pages = resource_size(>->resource) >> PAGE_SHIFT;
for (i = 0; i < pages; i++) {
/* FIXME: do we need to force dirty */
diff --git a/drivers/tty/serial/bfin_5xx.c b/drivers/tty/serial/bfin_5xx.c
index 9b1ff2b..ff69791 100644
--- a/drivers/tty/serial/bfin_5xx.c
+++ b/drivers/tty/serial/bfin_5xx.c
@@ -1304,8 +1304,7 @@
goto out_error_free_peripherals;
}
- uart->port.membase = ioremap(res->start,
- res->end - res->start);
+ uart->port.membase = ioremap(res->start, resource_size(res));
if (!uart->port.membase) {
dev_err(&pdev->dev, "Cannot map uart IO\n");
ret = -ENXIO;
@@ -1483,7 +1482,7 @@
}
bfin_earlyprintk_port.port.membase = ioremap(res->start,
- res->end - res->start);
+ resource_size(res));
if (!bfin_earlyprintk_port.port.membase) {
dev_err(&pdev->dev, "Cannot map uart IO\n");
ret = -ENXIO;
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index a544731..22fe801 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -954,7 +954,7 @@
struct resource *mmres;
mmres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(mmres->start, mmres->end - mmres->start + 1);
+ release_mem_region(mmres->start, resource_size(mmres));
}
/*
@@ -970,8 +970,7 @@
if (!mmres)
return -ENODEV;
- ret = request_mem_region(mmres->start, mmres->end - mmres->start + 1,
- "imx-uart");
+ ret = request_mem_region(mmres->start, resource_size(mmres), "imx-uart");
return ret ? 0 : -EBUSY;
}
diff --git a/drivers/tty/serial/m32r_sio.c b/drivers/tty/serial/m32r_sio.c
index 84db732..8e07517 100644
--- a/drivers/tty/serial/m32r_sio.c
+++ b/drivers/tty/serial/m32r_sio.c
@@ -892,7 +892,7 @@
* If we have a mapbase, then request that as well.
*/
if (ret == 0 && up->port.flags & UPF_IOREMAP) {
- int size = res->end - res->start + 1;
+ int size = resource_size(res);
up->port.membase = ioremap(up->port.mapbase, size);
if (!up->port.membase)
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 47cadf4..c37df8d 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -1241,8 +1241,8 @@
return -ENODEV;
}
- if (!request_mem_region(mem->start, (mem->end - mem->start) + 1,
- pdev->dev.driver->name)) {
+ if (!request_mem_region(mem->start, resource_size(mem),
+ pdev->dev.driver->name)) {
dev_err(&pdev->dev, "memory region already claimed\n");
return -EBUSY;
}
@@ -1308,7 +1308,7 @@
dev_err(&pdev->dev, "[UART%d]: failure [%s]: %d\n",
pdev->id, __func__, ret);
do_release_region:
- release_mem_region(mem->start, (mem->end - mem->start) + 1);
+ release_mem_region(mem->start, resource_size(mem));
return ret;
}
diff --git a/drivers/tty/serial/pxa.c b/drivers/tty/serial/pxa.c
index 4302e6e..531931c 100644
--- a/drivers/tty/serial/pxa.c
+++ b/drivers/tty/serial/pxa.c
@@ -803,7 +803,7 @@
break;
}
- sport->port.membase = ioremap(mmres->start, mmres->end - mmres->start + 1);
+ sport->port.membase = ioremap(mmres->start, resource_size(mmres));
if (!sport->port.membase) {
ret = -ENOMEM;
goto err_clk;
diff --git a/drivers/tty/serial/sunsu.c b/drivers/tty/serial/sunsu.c
index 92aa545..ad0f8f5 100644
--- a/drivers/tty/serial/sunsu.c
+++ b/drivers/tty/serial/sunsu.c
@@ -1435,7 +1435,7 @@
rp = &op->resource[0];
up->port.mapbase = rp->start;
- up->reg_size = (rp->end - rp->start) + 1;
+ up->reg_size = resource_size(rp);
up->port.membase = of_ioremap(rp, 0, up->reg_size, "su");
if (!up->port.membase) {
if (type != SU_PORT_PORT)
diff --git a/drivers/tty/serial/vt8500_serial.c b/drivers/tty/serial/vt8500_serial.c
index 37fc4e3..026cb9e 100644
--- a/drivers/tty/serial/vt8500_serial.c
+++ b/drivers/tty/serial/vt8500_serial.c
@@ -573,8 +573,7 @@
snprintf(vt8500_port->name, sizeof(vt8500_port->name),
"VT8500 UART%d", pdev->id);
- vt8500_port->uart.membase = ioremap(mmres->start,
- mmres->end - mmres->start + 1);
+ vt8500_port->uart.membase = ioremap(mmres->start, resource_size(mmres));
if (!vt8500_port->uart.membase) {
ret = -ENOMEM;
goto err;
diff --git a/drivers/uio/uio_pdrv.c b/drivers/uio/uio_pdrv.c
index 7d3e469..bdc3db9 100644
--- a/drivers/uio/uio_pdrv.c
+++ b/drivers/uio/uio_pdrv.c
@@ -58,7 +58,7 @@
uiomem->memtype = UIO_MEM_PHYS;
uiomem->addr = r->start;
- uiomem->size = r->end - r->start + 1;
+ uiomem->size = resource_size(r);
++uiomem;
}
diff --git a/drivers/uio/uio_pdrv_genirq.c b/drivers/uio/uio_pdrv_genirq.c
index 0f424af..31e799d 100644
--- a/drivers/uio/uio_pdrv_genirq.c
+++ b/drivers/uio/uio_pdrv_genirq.c
@@ -137,7 +137,7 @@
uiomem->memtype = UIO_MEM_PHYS;
uiomem->addr = r->start;
- uiomem->size = r->end - r->start + 1;
+ uiomem->size = resource_size(r);
++uiomem;
}
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index db1a659..f045c89 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -272,7 +272,7 @@
regs_resource = platform_get_resource(udc->pdev, IORESOURCE_MEM,
CTRL_IOMEM_ID);
- regs->d_inode->i_size = regs_resource->end - regs_resource->start + 1;
+ regs->d_inode->i_size = resource_size(regs_resource);
udc->debugfs_regs = regs;
usba_ep_init_debugfs(udc, to_usba_ep(udc->gadget.ep0));
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index 2cd9a60..9c8e56f 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -2445,7 +2445,7 @@
}
if (pdata->operating_mode == FSL_USB2_DR_DEVICE) {
- if (!request_mem_region(res->start, res->end - res->start + 1,
+ if (!request_mem_region(res->start, resource_size(res),
driver_name)) {
ERR("request mem region for %s failed\n", pdev->name);
ret = -EBUSY;
@@ -2593,7 +2593,7 @@
iounmap(dr_regs);
err_release_mem_region:
if (pdata->operating_mode == FSL_USB2_DR_DEVICE)
- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));
err_kfree:
kfree(udc_controller);
udc_controller = NULL;
@@ -2628,7 +2628,7 @@
free_irq(udc_controller->irq, udc_controller);
iounmap(dr_regs);
if (pdata->operating_mode == FSL_USB2_DR_DEVICE)
- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));
device_unregister(&udc_controller->gadget.dev);
/* free udc --wait for the release() finished */
diff --git a/drivers/usb/host/ehci-ath79.c b/drivers/usb/host/ehci-ath79.c
index 98cc8a1..eab3d70 100644
--- a/drivers/usb/host/ehci-ath79.c
+++ b/drivers/usb/host/ehci-ath79.c
@@ -146,7 +146,7 @@
return -ENOMEM;
hcd->rsrc_start = res->start;
- hcd->rsrc_len = res->end - res->start + 1;
+ hcd->rsrc_len = resource_size(res);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
dev_dbg(&pdev->dev, "controller already in use\n");
diff --git a/drivers/usb/host/ehci-cns3xxx.c b/drivers/usb/host/ehci-cns3xxx.c
index d41745c..6536abd 100644
--- a/drivers/usb/host/ehci-cns3xxx.c
+++ b/drivers/usb/host/ehci-cns3xxx.c
@@ -107,7 +107,7 @@
}
hcd->rsrc_start = res->start;
- hcd->rsrc_len = res->end - res->start + 1;
+ hcd->rsrc_len = resource_size(res);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
driver->description)) {
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index f380bf9..34a3140 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -100,7 +100,7 @@
goto err2;
}
hcd->rsrc_start = res->start;
- hcd->rsrc_len = res->end - res->start + 1;
+ hcd->rsrc_len = resource_size(res);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
driver->description)) {
dev_dbg(&pdev->dev, "controller already in use\n");
diff --git a/drivers/usb/host/ehci-grlib.c b/drivers/usb/host/ehci-grlib.c
index 93b230d..fdfd8c5 100644
--- a/drivers/usb/host/ehci-grlib.c
+++ b/drivers/usb/host/ehci-grlib.c
@@ -130,7 +130,7 @@
return -ENOMEM;
hcd->rsrc_start = res.start;
- hcd->rsrc_len = res.end - res.start + 1;
+ hcd->rsrc_len = resource_size(&res);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
printk(KERN_ERR "%s: request_mem_region failed\n", __FILE__);
diff --git a/drivers/usb/host/ehci-ixp4xx.c b/drivers/usb/host/ehci-ixp4xx.c
index 50e600d..c4460f3 100644
--- a/drivers/usb/host/ehci-ixp4xx.c
+++ b/drivers/usb/host/ehci-ixp4xx.c
@@ -100,7 +100,7 @@
goto fail_request_resource;
}
hcd->rsrc_start = res->start;
- hcd->rsrc_len = res->end - res->start + 1;
+ hcd->rsrc_len = resource_size(res);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
driver->description)) {
diff --git a/drivers/usb/host/ehci-octeon.c b/drivers/usb/host/ehci-octeon.c
index ff55757..c3ba3ed 100644
--- a/drivers/usb/host/ehci-octeon.c
+++ b/drivers/usb/host/ehci-octeon.c
@@ -124,7 +124,7 @@
return -ENOMEM;
hcd->rsrc_start = res_mem->start;
- hcd->rsrc_len = res_mem->end - res_mem->start + 1;
+ hcd->rsrc_len = resource_size(res_mem);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
OCTEON_EHCI_HCD_NAME)) {
diff --git a/drivers/usb/host/ehci-pmcmsp.c b/drivers/usb/host/ehci-pmcmsp.c
index cd69099..e8d54de 100644
--- a/drivers/usb/host/ehci-pmcmsp.c
+++ b/drivers/usb/host/ehci-pmcmsp.c
@@ -124,7 +124,7 @@
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
if (res == NULL)
return -ENOMEM;
- res_len = res->end - res->start + 1;
+ res_len = resource_size(res);
if (!request_mem_region(res->start, res_len, "mab regs"))
return -EBUSY;
@@ -140,7 +140,7 @@
retval = -ENOMEM;
goto err2;
}
- res_len = res->end - res->start + 1;
+ res_len = resource_size(res);
if (!request_mem_region(res->start, res_len, "usbid regs")) {
retval = -EBUSY;
goto err2;
@@ -154,13 +154,13 @@
return 0;
err3:
res = platform_get_resource(pdev, IORESOURCE_MEM, 2);
- res_len = res->end - res->start + 1;
+ res_len = resource_size(res);
release_mem_region(res->start, res_len);
err2:
iounmap(dev->mab_regs);
err1:
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- res_len = res->end - res->start + 1;
+ res_len = resource_size(res);
release_mem_region(res->start, res_len);
dev_err(&pdev->dev, "Failed to map non-EHCI regs.\n");
return retval;
@@ -194,7 +194,7 @@
goto err1;
}
hcd->rsrc_start = res->start;
- hcd->rsrc_len = res->end - res->start + 1;
+ hcd->rsrc_len = resource_size(res);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, dev->name)) {
retval = -EBUSY;
goto err1;
diff --git a/drivers/usb/host/ehci-ppc-of.c b/drivers/usb/host/ehci-ppc-of.c
index 8552db6..41d11fe 100644
--- a/drivers/usb/host/ehci-ppc-of.c
+++ b/drivers/usb/host/ehci-ppc-of.c
@@ -130,7 +130,7 @@
return -ENOMEM;
hcd->rsrc_start = res.start;
- hcd->rsrc_len = res.end - res.start + 1;
+ hcd->rsrc_len = resource_size(&res);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
printk(KERN_ERR "%s: request_mem_region failed\n", __FILE__);
diff --git a/drivers/usb/host/ehci-w90x900.c b/drivers/usb/host/ehci-w90x900.c
index 52a027a..d661cf7 100644
--- a/drivers/usb/host/ehci-w90x900.c
+++ b/drivers/usb/host/ehci-w90x900.c
@@ -41,7 +41,7 @@
}
hcd->rsrc_start = res->start;
- hcd->rsrc_len = res->end - res->start + 1;
+ hcd->rsrc_len = resource_size(res);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
retval = -EBUSY;
diff --git a/drivers/usb/host/ehci-xilinx-of.c b/drivers/usb/host/ehci-xilinx-of.c
index a64d6d6..32793ce 100644
--- a/drivers/usb/host/ehci-xilinx-of.c
+++ b/drivers/usb/host/ehci-xilinx-of.c
@@ -174,7 +174,7 @@
return -ENOMEM;
hcd->rsrc_start = res.start;
- hcd->rsrc_len = res.end - res.start + 1;
+ hcd->rsrc_len = resource_size(&res);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
printk(KERN_ERR "%s: request_mem_region failed\n", __FILE__);
diff --git a/drivers/usb/host/fhci-hcd.c b/drivers/usb/host/fhci-hcd.c
index 19223c7..572ea53 100644
--- a/drivers/usb/host/fhci-hcd.c
+++ b/drivers/usb/host/fhci-hcd.c
@@ -605,7 +605,7 @@
goto err_regs;
}
- hcd->regs = ioremap(usb_regs.start, usb_regs.end - usb_regs.start + 1);
+ hcd->regs = ioremap(usb_regs.start, resource_size(&usb_regs));
if (!hcd->regs) {
dev_err(dev, "could not ioremap regs\n");
ret = -ENOMEM;
diff --git a/drivers/usb/host/ohci-ath79.c b/drivers/usb/host/ohci-ath79.c
index ffea3e7..c620c50 100644
--- a/drivers/usb/host/ohci-ath79.c
+++ b/drivers/usb/host/ohci-ath79.c
@@ -93,8 +93,8 @@
ret = -ENODEV;
goto err_put_hcd;
}
- hcd->rsrc_start = res->start;
- hcd->rsrc_len = res->end - res->start + 1;
+ hcd->rsrc_start = res->start;
+ hcd->rsrc_len = resource_size(res);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
dev_dbg(&pdev->dev, "controller already in use\n");
diff --git a/drivers/usb/host/ohci-cns3xxx.c b/drivers/usb/host/ohci-cns3xxx.c
index f05ef87..5a00a1e 100644
--- a/drivers/usb/host/ohci-cns3xxx.c
+++ b/drivers/usb/host/ohci-cns3xxx.c
@@ -100,7 +100,7 @@
goto err1;
}
hcd->rsrc_start = res->start;
- hcd->rsrc_len = res->end - res->start + 1;
+ hcd->rsrc_len = resource_size(res);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
driver->description)) {
diff --git a/drivers/usb/host/ohci-da8xx.c b/drivers/usb/host/ohci-da8xx.c
index d22fb4d..6aca2c4 100644
--- a/drivers/usb/host/ohci-da8xx.c
+++ b/drivers/usb/host/ohci-da8xx.c
@@ -322,7 +322,7 @@
goto err2;
}
hcd->rsrc_start = mem->start;
- hcd->rsrc_len = mem->end - mem->start + 1;
+ hcd->rsrc_len = resource_size(mem);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
dev_dbg(&pdev->dev, "request_mem_region failed\n");
diff --git a/drivers/usb/host/ohci-octeon.c b/drivers/usb/host/ohci-octeon.c
index e4ddfaf..d8b4564 100644
--- a/drivers/usb/host/ohci-octeon.c
+++ b/drivers/usb/host/ohci-octeon.c
@@ -135,7 +135,7 @@
return -ENOMEM;
hcd->rsrc_start = res_mem->start;
- hcd->rsrc_len = res_mem->end - res_mem->start + 1;
+ hcd->rsrc_len = resource_size(res_mem);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
OCTEON_OHCI_HCD_NAME)) {
diff --git a/drivers/usb/host/ohci-ppc-of.c b/drivers/usb/host/ohci-ppc-of.c
index 1ca1821..0c12f4e 100644
--- a/drivers/usb/host/ohci-ppc-of.c
+++ b/drivers/usb/host/ohci-ppc-of.c
@@ -110,7 +110,7 @@
return -ENOMEM;
hcd->rsrc_start = res.start;
- hcd->rsrc_len = res.end - res.start + 1;
+ hcd->rsrc_len = resource_size(&res);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
printk(KERN_ERR "%s: request_mem_region failed\n", __FILE__);
diff --git a/drivers/usb/host/ohci-ppc-soc.c b/drivers/usb/host/ohci-ppc-soc.c
index 89e670e..c0f595c 100644
--- a/drivers/usb/host/ohci-ppc-soc.c
+++ b/drivers/usb/host/ohci-ppc-soc.c
@@ -56,7 +56,7 @@
if (!hcd)
return -ENOMEM;
hcd->rsrc_start = res->start;
- hcd->rsrc_len = res->end - res->start + 1;
+ hcd->rsrc_len = resource_size(res);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
pr_debug("%s: request_mem_region failed\n", __FILE__);
diff --git a/drivers/usb/host/ohci-sa1111.c b/drivers/usb/host/ohci-sa1111.c
index d8eb3bd..4204d972 100644
--- a/drivers/usb/host/ohci-sa1111.c
+++ b/drivers/usb/host/ohci-sa1111.c
@@ -131,7 +131,7 @@
if (!hcd)
return -ENOMEM;
hcd->rsrc_start = dev->res.start;
- hcd->rsrc_len = dev->res.end - dev->res.start + 1;
+ hcd->rsrc_len = resource_size(&dev->res);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
dbg("request_mem_region failed");
diff --git a/drivers/usb/host/ohci-sm501.c b/drivers/usb/host/ohci-sm501.c
index 041d30f30..78918ca 100644
--- a/drivers/usb/host/ohci-sm501.c
+++ b/drivers/usb/host/ohci-sm501.c
@@ -103,8 +103,7 @@
goto err0;
}
- if (!request_mem_region(mem->start, mem->end - mem->start + 1,
- pdev->name)) {
+ if (!request_mem_region(mem->start, resource_size(mem), pdev->name)) {
dev_err(dev, "request_mem_region failed\n");
retval = -EBUSY;
goto err0;
@@ -126,7 +125,7 @@
if (!dma_declare_coherent_memory(dev, mem->start,
mem->start - mem->parent->start,
- (mem->end - mem->start) + 1,
+ resource_size(mem),
DMA_MEMORY_MAP |
DMA_MEMORY_EXCLUSIVE)) {
dev_err(dev, "cannot declare coherent memory\n");
@@ -149,7 +148,7 @@
}
hcd->rsrc_start = res->start;
- hcd->rsrc_len = res->end - res->start + 1;
+ hcd->rsrc_len = resource_size(res);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, pdev->name)) {
dev_err(dev, "request_mem_region failed\n");
@@ -185,7 +184,7 @@
err2:
dma_release_declared_memory(dev);
err1:
- release_mem_region(mem->start, mem->end - mem->start + 1);
+ release_mem_region(mem->start, resource_size(mem));
err0:
return retval;
}
@@ -201,7 +200,7 @@
dma_release_declared_memory(&pdev->dev);
mem = platform_get_resource(pdev, IORESOURCE_MEM, 1);
if (mem)
- release_mem_region(mem->start, mem->end - mem->start + 1);
+ release_mem_region(mem->start, resource_size(mem));
/* mask interrupts and disable power */
diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c
index 3558491..57ad127 100644
--- a/drivers/usb/host/ohci-tmio.c
+++ b/drivers/usb/host/ohci-tmio.c
@@ -208,13 +208,13 @@
}
hcd->rsrc_start = regs->start;
- hcd->rsrc_len = regs->end - regs->start + 1;
+ hcd->rsrc_len = resource_size(regs);
tmio = hcd_to_tmio(hcd);
spin_lock_init(&tmio->lock);
- tmio->ccr = ioremap(config->start, config->end - config->start + 1);
+ tmio->ccr = ioremap(config->start, resource_size(config));
if (!tmio->ccr) {
ret = -ENOMEM;
goto err_ioremap_ccr;
@@ -228,7 +228,7 @@
if (!dma_declare_coherent_memory(&dev->dev, sram->start,
sram->start,
- sram->end - sram->start + 1,
+ resource_size(sram),
DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE)) {
ret = -EBUSY;
goto err_dma_declare;
diff --git a/drivers/usb/host/oxu210hp-hcd.c b/drivers/usb/host/oxu210hp-hcd.c
index 5fbe997..dcd8898 100644
--- a/drivers/usb/host/oxu210hp-hcd.c
+++ b/drivers/usb/host/oxu210hp-hcd.c
@@ -3828,7 +3828,7 @@
return -ENODEV;
}
memstart = res->start;
- memlen = res->end - res->start + 1;
+ memlen = resource_size(res);
dev_dbg(&pdev->dev, "MEM resource %lx-%lx\n", memstart, memlen);
if (!request_mem_region(memstart, memlen,
oxu_hc_driver.description)) {
diff --git a/drivers/usb/host/uhci-grlib.c b/drivers/usb/host/uhci-grlib.c
index d01c1e2..f7a6213 100644
--- a/drivers/usb/host/uhci-grlib.c
+++ b/drivers/usb/host/uhci-grlib.c
@@ -111,7 +111,7 @@
return -ENOMEM;
hcd->rsrc_start = res.start;
- hcd->rsrc_len = res.end - res.start + 1;
+ hcd->rsrc_len = resource_size(&res);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
printk(KERN_ERR "%s: request_mem_region failed\n", __FILE__);
diff --git a/drivers/usb/host/whci/init.c b/drivers/usb/host/whci/init.c
index f7582e8..d3e13b6 100644
--- a/drivers/usb/host/whci/init.c
+++ b/drivers/usb/host/whci/init.c
@@ -178,7 +178,7 @@
if (whc->qset_pool)
dma_pool_destroy(whc->qset_pool);
- len = whc->umc->resource.end - whc->umc->resource.start + 1;
+ len = resource_size(&whc->umc->resource);
if (whc->base)
iounmap(whc->base);
if (whc->base_phys)
diff --git a/drivers/uwb/whc-rc.c b/drivers/uwb/whc-rc.c
index 70a004a..3ae3c70 100644
--- a/drivers/uwb/whc-rc.c
+++ b/drivers/uwb/whc-rc.c
@@ -222,7 +222,7 @@
struct umc_dev *umc_dev = whcrc->umc_dev;
whcrc->area = umc_dev->resource.start;
- whcrc->rc_len = umc_dev->resource.end - umc_dev->resource.start + 1;
+ whcrc->rc_len = resource_size(&umc_dev->resource);
result = -EBUSY;
if (request_mem_region(whcrc->area, whcrc->rc_len, KBUILD_MODNAME) == NULL) {
dev_err(dev, "can't request URC region (%zu bytes @ 0x%lx): %d\n",
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index 4484c72..817ab60 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -906,7 +906,7 @@
if (map) {
/* use a pre-allocated memory buffer */
info->fix.smem_start = map->start;
- info->fix.smem_len = map->end - map->start + 1;
+ info->fix.smem_len = resource_size(map);
if (!request_mem_region(info->fix.smem_start,
info->fix.smem_len, pdev->name)) {
ret = -EBUSY;
@@ -932,7 +932,7 @@
/* LCDC registers */
info->fix.mmio_start = regs->start;
- info->fix.mmio_len = regs->end - regs->start + 1;
+ info->fix.mmio_len = resource_size(regs);
if (!request_mem_region(info->fix.mmio_start,
info->fix.mmio_len, pdev->name)) {
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index ebb893c..ad41f50 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -3460,9 +3460,10 @@
raddr = addr + 0x7ff000UL;
rrp = &pdev->resource[2];
- if ((rrp->flags & IORESOURCE_MEM) && request_mem_region(rrp->start, rrp->end - rrp->start + 1, "atyfb")) {
+ if ((rrp->flags & IORESOURCE_MEM) &&
+ request_mem_region(rrp->start, resource_size(rrp), "atyfb")) {
par->aux_start = rrp->start;
- par->aux_size = rrp->end - rrp->start + 1;
+ par->aux_size = resource_size(rrp);
raddr = rrp->start;
PRINTKI("using auxiliary register aperture\n");
}
@@ -3552,7 +3553,7 @@
/* Reserve space */
res_start = rp->start;
- res_size = rp->end - rp->start + 1;
+ res_size = resource_size(rp);
if (!request_mem_region(res_start, res_size, "atyfb"))
return -EBUSY;
diff --git a/drivers/video/au1100fb.c b/drivers/video/au1100fb.c
index 34b2fc47..01a8fde 100644
--- a/drivers/video/au1100fb.c
+++ b/drivers/video/au1100fb.c
@@ -486,7 +486,7 @@
}
au1100fb_fix.mmio_start = regs_res->start;
- au1100fb_fix.mmio_len = regs_res->end - regs_res->start + 1;
+ au1100fb_fix.mmio_len = resource_size(regs_res);
if (!request_mem_region(au1100fb_fix.mmio_start, au1100fb_fix.mmio_len,
DRIVER_NAME)) {
diff --git a/drivers/video/cobalt_lcdfb.c b/drivers/video/cobalt_lcdfb.c
index 42fe155..e027643 100644
--- a/drivers/video/cobalt_lcdfb.c
+++ b/drivers/video/cobalt_lcdfb.c
@@ -303,7 +303,7 @@
return -EBUSY;
}
- info->screen_size = res->end - res->start + 1;
+ info->screen_size = resource_size(res);
info->screen_base = ioremap(res->start, info->screen_size);
info->fbops = &cobalt_lcd_fbops;
info->fix = cobalt_lcdfb_fix;
diff --git a/drivers/video/controlfb.c b/drivers/video/controlfb.c
index c225dcc..9075bea5 100644
--- a/drivers/video/controlfb.c
+++ b/drivers/video/controlfb.c
@@ -709,11 +709,11 @@
/* Map in frame buffer and registers */
p->fb_orig_base = fb_res.start;
- p->fb_orig_size = fb_res.end - fb_res.start + 1;
+ p->fb_orig_size = resource_size(&fb_res);
/* use the big-endian aperture (??) */
p->frame_buffer_phys = fb_res.start + 0x800000;
p->control_regs_phys = reg_res.start;
- p->control_regs_size = reg_res.end - reg_res.start + 1;
+ p->control_regs_size = resource_size(®_res);
if (!p->fb_orig_base ||
!request_mem_region(p->fb_orig_base,p->fb_orig_size,"controlfb")) {
diff --git a/drivers/video/mb862xx/mb862xxfbdrv.c b/drivers/video/mb862xx/mb862xxfbdrv.c
index f70bd63..ee1de3e 100644
--- a/drivers/video/mb862xx/mb862xxfbdrv.c
+++ b/drivers/video/mb862xx/mb862xxfbdrv.c
@@ -697,7 +697,7 @@
goto fbrel;
}
- res_size = 1 + res.end - res.start;
+ res_size = resource_size(&res);
par->res = request_mem_region(res.start, res_size, DRV_NAME);
if (par->res == NULL) {
dev_err(dev, "Cannot claim framebuffer/mmio\n");
@@ -787,7 +787,7 @@
{
struct fb_info *fbi = dev_get_drvdata(&ofdev->dev);
struct mb862xxfb_par *par = fbi->par;
- resource_size_t res_size = 1 + par->res->end - par->res->start;
+ resource_size_t res_size = resource_size(par->res);
unsigned long reg;
dev_dbg(fbi->dev, "%s release\n", fbi->fix.id);
diff --git a/drivers/video/msm/mdp.c b/drivers/video/msm/mdp.c
index c3636d5..243d16f 100644
--- a/drivers/video/msm/mdp.c
+++ b/drivers/video/msm/mdp.c
@@ -406,8 +406,7 @@
goto error_get_irq;
}
- mdp->base = ioremap(resource->start,
- resource->end - resource->start);
+ mdp->base = ioremap(resource->start, resource_size(resource));
if (mdp->base == 0) {
printk(KERN_ERR "msmfb: cannot allocate mdp regs!\n");
ret = -ENOMEM;
diff --git a/drivers/video/msm/msm_fb.c b/drivers/video/msm/msm_fb.c
index ec35130..c6e3b4f 100644
--- a/drivers/video/msm/msm_fb.c
+++ b/drivers/video/msm/msm_fb.c
@@ -525,10 +525,9 @@
return -ENOMEM;
}
fb->fix.smem_start = resource->start;
- fb->fix.smem_len = resource->end - resource->start;
- fbram = ioremap(resource->start,
- resource->end - resource->start);
- if (fbram == 0) {
+ fb->fix.smem_len = resource_size(resource);
+ fbram = ioremap(resource->start, resource_size(resource));
+ if (fbram == NULL) {
printk(KERN_ERR "msmfb: cannot allocate fbram!\n");
return -ENOMEM;
}
diff --git a/drivers/video/nuc900fb.c b/drivers/video/nuc900fb.c
index f838d9e..0fff597 100644
--- a/drivers/video/nuc900fb.c
+++ b/drivers/video/nuc900fb.c
@@ -551,7 +551,7 @@
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- size = (res->end - res->start) + 1;
+ size = resource_size(res);
fbi->mem = request_mem_region(res->start, size, pdev->name);
if (fbi->mem == NULL) {
dev_err(&pdev->dev, "failed to alloc memory region\n");
diff --git a/drivers/video/platinumfb.c b/drivers/video/platinumfb.c
index ef532d9..f27ae16 100644
--- a/drivers/video/platinumfb.c
+++ b/drivers/video/platinumfb.c
@@ -567,7 +567,7 @@
* northbridge and that can fail. Only request framebuffer
*/
if (!request_mem_region(pinfo->rsrc_fb.start,
- pinfo->rsrc_fb.end - pinfo->rsrc_fb.start + 1,
+ resource_size(&pinfo->rsrc_fb),
"platinumfb framebuffer")) {
printk(KERN_ERR "platinumfb: Can't request framebuffer !\n");
framebuffer_release(info);
@@ -658,8 +658,7 @@
iounmap(pinfo->cmap_regs);
release_mem_region(pinfo->rsrc_fb.start,
- pinfo->rsrc_fb.end -
- pinfo->rsrc_fb.start + 1);
+ resource_size(&pinfo->rsrc_fb));
release_mem_region(pinfo->cmap_regs_phys, 0x1000);
diff --git a/drivers/video/pxa168fb.c b/drivers/video/pxa168fb.c
index bb95ec5..18ead6f 100644
--- a/drivers/video/pxa168fb.c
+++ b/drivers/video/pxa168fb.c
@@ -662,7 +662,7 @@
info->fix.ypanstep = 0;
info->fix.ywrapstep = 0;
info->fix.mmio_start = res->start;
- info->fix.mmio_len = res->end - res->start + 1;
+ info->fix.mmio_len = resource_size(res);
info->fix.accel = FB_ACCEL_NONE;
info->fbops = &pxa168fb_ops;
info->pseudo_palette = fbi->pseudo_palette;