pcmcia: pcmcia_config_loop() default CIS entry handling
Many drivers use the default CIS entry within their pcmcia_config_loop()
callback function. Therefore, factor the default CIS entry handling out.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
diff --git a/drivers/net/wireless/airo_cs.c b/drivers/net/wireless/airo_cs.c
index d721673..657adf8 100644
--- a/drivers/net/wireless/airo_cs.c
+++ b/drivers/net/wireless/airo_cs.c
@@ -206,19 +206,12 @@
#define CS_CHECK(fn, ret) \
do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
-struct airo_cs_config_data {
- cistpl_cftable_entry_t dflt;
- win_req_t req;
-};
-
static int airo_cs_config_check(struct pcmcia_device *p_dev,
cistpl_cftable_entry_t *cfg,
+ cistpl_cftable_entry_t *dflt,
void *priv_data)
{
- struct airo_cs_config_data *cfg_mem = priv_data;
-
- if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
- cfg_mem->dflt = *cfg;
+ win_req_t *req = priv_data;
if (cfg->index == 0)
return -ENODEV;
@@ -233,17 +226,17 @@
/* Note that the CIS values need to be rescaled */
if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM))
p_dev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
- else if (cfg_mem->dflt.vpp1.present & (1<<CISTPL_POWER_VNOM))
- p_dev->conf.Vpp = cfg_mem->dflt.vpp1.param[CISTPL_POWER_VNOM]/10000;
+ else if (dflt->vpp1.present & (1<<CISTPL_POWER_VNOM))
+ p_dev->conf.Vpp = dflt->vpp1.param[CISTPL_POWER_VNOM]/10000;
/* Do we need to allocate an interrupt? */
- if (cfg->irq.IRQInfo1 || cfg_mem->dflt.irq.IRQInfo1)
+ if (cfg->irq.IRQInfo1 || dflt->irq.IRQInfo1)
p_dev->conf.Attributes |= CONF_ENABLE_IRQ;
/* IO window settings */
p_dev->io.NumPorts1 = p_dev->io.NumPorts2 = 0;
- if ((cfg->io.nwin > 0) || (cfg_mem->dflt.io.nwin > 0)) {
- cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &cfg_mem->dflt.io;
+ if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
+ cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
if (!(io->flags & CISTPL_IO_8BIT))
p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
@@ -273,14 +266,14 @@
needs to be mapped to virtual space with ioremap() before it
is used.
*/
- if ((cfg->mem.nwin > 0) || (cfg_mem->dflt.mem.nwin > 0)) {
- cistpl_mem_t *mem = (cfg->mem.nwin) ? &cfg->mem : &cfg_mem->dflt.mem;
+ if ((cfg->mem.nwin > 0) || (dflt->mem.nwin > 0)) {
+ cistpl_mem_t *mem = (cfg->mem.nwin) ? &cfg->mem : &dflt->mem;
memreq_t map;
- cfg_mem->req.Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM;
- cfg_mem->req.Base = mem->win[0].host_addr;
- cfg_mem->req.Size = mem->win[0].len;
- cfg_mem->req.AccessSpeed = 0;
- if (pcmcia_request_window(&p_dev, &cfg_mem->req, &p_dev->win) != 0)
+ req->Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM;
+ req->Base = mem->win[0].host_addr;
+ req->Size = mem->win[0].len;
+ req->AccessSpeed = 0;
+ if (pcmcia_request_window(&p_dev, req, &p_dev->win) != 0)
return -ENODEV;
map.Page = 0;
map.CardOffset = mem->win[0].card_addr;
@@ -295,15 +288,15 @@
static int airo_config(struct pcmcia_device *link)
{
local_info_t *dev;
- struct airo_cs_config_data *cfg_mem;
+ win_req_t *req;
int last_fn, last_ret;
dev = link->priv;
DEBUG(0, "airo_config(0x%p)\n", link);
- cfg_mem = kzalloc(sizeof(struct airo_cs_config_data), GFP_KERNEL);
- if (!cfg_mem)
+ req = kzalloc(sizeof(win_req_t), GFP_KERNEL);
+ if (!req)
return -ENOMEM;
/*
@@ -320,7 +313,7 @@
* and most client drivers will only use the CIS to fill in
* implementation-defined details.
*/
- last_ret = pcmcia_loop_config(link, airo_cs_config_check, cfg_mem);
+ last_ret = pcmcia_loop_config(link, airo_cs_config_check, req);
if (last_ret)
goto failed;
@@ -365,17 +358,17 @@
printk(" & 0x%04x-0x%04x", link->io.BasePort2,
link->io.BasePort2+link->io.NumPorts2-1);
if (link->win)
- printk(", mem 0x%06lx-0x%06lx", cfg_mem->req.Base,
- cfg_mem->req.Base+cfg_mem->req.Size-1);
+ printk(", mem 0x%06lx-0x%06lx", req->Base,
+ req->Base+req->Size-1);
printk("\n");
- kfree(cfg_mem);
+ kfree(req);
return 0;
cs_failed:
cs_error(link, last_fn, last_ret);
failed:
airo_release(link);
- kfree(cfg_mem);
+ kfree(req);
return -ENODEV;
} /* airo_config */