video: hpfb: use resource_size()
The size calculation is done incorrectly here because it should include
both the start and end (end - start + 1).
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/drivers/video/hpfb.c b/drivers/video/hpfb.c
index c8e280f..ebf8495 100644
--- a/drivers/video/hpfb.c
+++ b/drivers/video/hpfb.c
@@ -321,11 +321,11 @@
unsigned long paddr, vaddr;
paddr = d->resource.start;
- if (!request_mem_region(d->resource.start, d->resource.end - d->resource.start, d->name))
+ if (!request_mem_region(d->resource.start, resource_size(&d->resource), d->name))
return -EBUSY;
if (d->scode >= DIOII_SCBASE) {
- vaddr = (unsigned long)ioremap(paddr, d->resource.end - d->resource.start);
+ vaddr = (unsigned long)ioremap(paddr, resource_size(&d->resource));
} else {
vaddr = paddr + DIO_VIRADDRBASE;
}
@@ -344,7 +344,7 @@
unregister_framebuffer(&fb_info);
if (d->scode >= DIOII_SCBASE)
iounmap((void *)fb_regs);
- release_mem_region(d->resource.start, d->resource.end - d->resource.start);
+ release_mem_region(d->resource.start, resource_size(&d->resource));
}
static struct dio_device_id hpfb_dio_tbl[] = {