[PATCH 11/11] pcmcia: do not request windows if you don't need to
Dominik Brodowski
linux at dominikbrodowski.net
Sun Aug 1 08:59:10 EDT 2010
Several drivers contained dummy code to request for memory windows,
even though they never made use of it. Remove all such code
snippets.
CC: netdev at vger.kernel.org
CC: linux-wireless at vger.kernel.org
Signed-off-by: Dominik Brodowski <linux at dominikbrodowski.net>
---
drivers/isdn/hisax/sedlbauer_cs.c | 37 +------------------------
drivers/net/wireless/airo_cs.c | 37 +------------------------
drivers/staging/comedi/drivers/ni_daq_700.c | 23 +---------------
drivers/staging/comedi/drivers/ni_daq_dio24.c | 24 +---------------
drivers/staging/comedi/drivers/ni_labpc_cs.c | 24 +---------------
5 files changed, 5 insertions(+), 140 deletions(-)
diff --git a/drivers/isdn/hisax/sedlbauer_cs.c b/drivers/isdn/hisax/sedlbauer_cs.c
index 0b06dbb..a024192 100644
--- a/drivers/isdn/hisax/sedlbauer_cs.c
+++ b/drivers/isdn/hisax/sedlbauer_cs.c
@@ -171,8 +171,6 @@ static int sedlbauer_config_check(struct pcmcia_device *p_dev,
unsigned int vcc,
void *priv_data)
{
- win_req_t *req = priv_data;
-
if (cfg->index == 0)
return -ENODEV;
@@ -219,31 +217,6 @@ static int sedlbauer_config_check(struct pcmcia_device *p_dev,
return -ENODEV;
}
- /*
- Now set up a common memory window, if needed. There is room
- in the struct pcmcia_device structure for one memory window handle,
- but if the base addresses need to be saved, or if multiple
- windows are needed, the info should go in the private data
- structure for this device.
-
- Note that the memory window base is a physical address, and
- needs to be mapped to virtual space with ioremap() before it
- is used.
- */
- if ((cfg->mem.nwin > 0) || (dflt->mem.nwin > 0)) {
- cistpl_mem_t *mem = (cfg->mem.nwin) ? &cfg->mem : &dflt->mem;
- req->Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM;
- req->Attributes |= WIN_ENABLE;
- 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;
-
- if (pcmcia_map_mem_page(p_dev, p_dev->win,
- mem->win[0].card_addr) != 0)
- return -ENODEV;
- }
return 0;
}
@@ -251,16 +224,11 @@ static int sedlbauer_config_check(struct pcmcia_device *p_dev,
static int __devinit sedlbauer_config(struct pcmcia_device *link)
{
- win_req_t *req;
int ret;
IsdnCard_t icard;
dev_dbg(&link->dev, "sedlbauer_config(0x%p)\n", link);
- req = kzalloc(sizeof(win_req_t), GFP_KERNEL);
- if (!req)
- return -ENOMEM;
-
/*
In this loop, we scan the CIS for configuration table entries,
each of which describes a valid card configuration, including
@@ -273,7 +241,7 @@ static int __devinit sedlbauer_config(struct pcmcia_device *link)
these things without consulting the CIS, and most client drivers
will only use the CIS to fill in implementation-defined details.
*/
- ret = pcmcia_loop_config(link, sedlbauer_config_check, req);
+ ret = pcmcia_loop_config(link, sedlbauer_config_check, NULL);
if (ret)
goto failed;
@@ -297,9 +265,6 @@ static int __devinit sedlbauer_config(struct pcmcia_device *link)
printk(" & %pR", link->resource[0]);
if (link->resource[1])
printk(" & %pR", link->resource[1]);
- if (link->win)
- printk(", mem 0x%06lx-0x%06lx", req->Base,
- req->Base+req->Size-1);
printk("\n");
icard.para[0] = link->irq;
diff --git a/drivers/net/wireless/airo_cs.c b/drivers/net/wireless/airo_cs.c
index d47672c..9a121a5 100644
--- a/drivers/net/wireless/airo_cs.c
+++ b/drivers/net/wireless/airo_cs.c
@@ -154,8 +154,6 @@ static int airo_cs_config_check(struct pcmcia_device *p_dev,
unsigned int vcc,
void *priv_data)
{
- win_req_t *req = priv_data;
-
if (cfg->index == 0)
return -ENODEV;
@@ -194,29 +192,6 @@ static int airo_cs_config_check(struct pcmcia_device *p_dev,
if (pcmcia_request_io(p_dev) != 0)
return -ENODEV;
- /*
- Now set up a common memory window, if needed. There is room
- in the struct pcmcia_device structure for one memory window handle,
- but if the base addresses need to be saved, or if multiple
- windows are needed, the info should go in the private data
- structure for this device.
-
- Note that the memory window base is a physical address, and
- needs to be mapped to virtual space with ioremap() before it
- is used.
- */
- if ((cfg->mem.nwin > 0) || (dflt->mem.nwin > 0)) {
- cistpl_mem_t *mem = (cfg->mem.nwin) ? &cfg->mem : &dflt->mem;
- 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;
- if (pcmcia_map_mem_page(p_dev, p_dev->win,
- mem->win[0].card_addr) != 0)
- return -ENODEV;
- }
/* If we got this far, we're cool! */
return 0;
}
@@ -225,17 +200,12 @@ static int airo_cs_config_check(struct pcmcia_device *p_dev,
static int airo_config(struct pcmcia_device *link)
{
local_info_t *dev;
- win_req_t *req;
int ret;
dev = link->priv;
dev_dbg(&link->dev, "airo_config\n");
- req = kzalloc(sizeof(win_req_t), GFP_KERNEL);
- if (!req)
- return -ENOMEM;
-
/*
* In this loop, we scan the CIS for configuration table
* entries, each of which describes a valid card
@@ -250,7 +220,7 @@ static int airo_config(struct pcmcia_device *link)
* and most client drivers will only use the CIS to fill in
* implementation-defined details.
*/
- ret = pcmcia_loop_config(link, airo_cs_config_check, req);
+ ret = pcmcia_loop_config(link, airo_cs_config_check, NULL);
if (ret)
goto failed;
@@ -281,16 +251,11 @@ static int airo_config(struct pcmcia_device *link)
printk(" & %pR", link->resource[0]);
if (link->resource[1])
printk(" & %pR", link->resource[1]);
- if (link->win)
- printk(", mem 0x%06lx-0x%06lx", req->Base,
- req->Base+req->Size-1);
printk("\n");
- kfree(req);
return 0;
failed:
airo_release(link);
- kfree(req);
return -ENODEV;
} /* airo_config */
diff --git a/drivers/staging/comedi/drivers/ni_daq_700.c b/drivers/staging/comedi/drivers/ni_daq_700.c
index abaa40b..bf2e84a 100644
--- a/drivers/staging/comedi/drivers/ni_daq_700.c
+++ b/drivers/staging/comedi/drivers/ni_daq_700.c
@@ -555,8 +555,6 @@ static int dio700_pcmcia_config_loop(struct pcmcia_device *p_dev,
unsigned int vcc,
void *priv_data)
{
- win_req_t *req = priv_data;
-
if (cfg->index == 0)
return -ENODEV;
@@ -589,22 +587,6 @@ static int dio700_pcmcia_config_loop(struct pcmcia_device *p_dev,
return -ENODEV;
}
- if ((cfg->mem.nwin > 0) || (dflt->mem.nwin > 0)) {
- cistpl_mem_t *mem =
- (cfg->mem.nwin) ? &cfg->mem : &dflt->mem;
- req->Attributes = WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_CM;
- req->Attributes |= WIN_ENABLE;
- req->Base = mem->win[0].host_addr;
- req->Size = mem->win[0].len;
- if (req->Size < 0x1000)
- req->Size = 0x1000;
- req->AccessSpeed = 0;
- if (pcmcia_request_window(p_dev, req, &p_dev->win))
- return -ENODEV;
- if (pcmcia_map_mem_page(p_dev, p_dev->win,
- mem->win[0].card_addr))
- return -ENODEV;
- }
/* If we got this far, we're cool! */
return 0;
}
@@ -618,7 +600,7 @@ static void dio700_config(struct pcmcia_device *link)
dev_dbg(&link->dev, "dio700_config\n");
- ret = pcmcia_loop_config(link, dio700_pcmcia_config_loop, &req);
+ ret = pcmcia_loop_config(link, dio700_pcmcia_config_loop, NULL);
if (ret) {
dev_warn(&link->dev, "no configuration found\n");
goto failed;
@@ -644,9 +626,6 @@ static void dio700_config(struct pcmcia_device *link)
printk(", io %pR", link->resource[0]);
if (link->resource[1])
printk(" & %pR", link->resource[1]);
- if (link->win)
- printk(", mem 0x%06lx-0x%06lx", req.Base,
- req.Base + req.Size - 1);
printk("\n");
return;
diff --git a/drivers/staging/comedi/drivers/ni_daq_dio24.c b/drivers/staging/comedi/drivers/ni_daq_dio24.c
index caccece..9112e70 100644
--- a/drivers/staging/comedi/drivers/ni_daq_dio24.c
+++ b/drivers/staging/comedi/drivers/ni_daq_dio24.c
@@ -307,8 +307,6 @@ static int dio24_pcmcia_config_loop(struct pcmcia_device *p_dev,
unsigned int vcc,
void *priv_data)
{
- win_req_t *req = priv_data;
-
if (cfg->index == 0)
return -ENODEV;
@@ -341,22 +339,6 @@ static int dio24_pcmcia_config_loop(struct pcmcia_device *p_dev,
return -ENODEV;
}
- if ((cfg->mem.nwin > 0) || (dflt->mem.nwin > 0)) {
- cistpl_mem_t *mem =
- (cfg->mem.nwin) ? &cfg->mem : &dflt->mem;
- req->Attributes = WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_CM;
- req->Attributes |= WIN_ENABLE;
- req->Base = mem->win[0].host_addr;
- req->Size = mem->win[0].len;
- if (req->Size < 0x1000)
- req->Size = 0x1000;
- req->AccessSpeed = 0;
- if (pcmcia_request_window(p_dev, req, &p_dev->win))
- return -ENODEV;
- if (pcmcia_map_mem_page(p_dev, p_dev->win,
- mem->win[0].card_addr))
- return -ENODEV;
- }
/* If we got this far, we're cool! */
return 0;
}
@@ -364,13 +346,12 @@ static int dio24_pcmcia_config_loop(struct pcmcia_device *p_dev,
static void dio24_config(struct pcmcia_device *link)
{
int ret;
- win_req_t req;
printk(KERN_INFO "ni_daq_dio24: HOLA SOY YO! - config\n");
dev_dbg(&link->dev, "dio24_config\n");
- ret = pcmcia_loop_config(link, dio24_pcmcia_config_loop, &req);
+ ret = pcmcia_loop_config(link, dio24_pcmcia_config_loop, NULL);
if (ret) {
dev_warn(&link->dev, "no configuration found\n");
goto failed;
@@ -396,9 +377,6 @@ static void dio24_config(struct pcmcia_device *link)
printk(" & %pR", link->resource[0]);
if (link->resource[1])
printk(" & %pR", link->resource[1]);
- if (link->win)
- printk(", mem 0x%06lx-0x%06lx", req.Base,
- req.Base + req.Size - 1);
printk("\n");
return;
diff --git a/drivers/staging/comedi/drivers/ni_labpc_cs.c b/drivers/staging/comedi/drivers/ni_labpc_cs.c
index 94d9f7f..f204961 100644
--- a/drivers/staging/comedi/drivers/ni_labpc_cs.c
+++ b/drivers/staging/comedi/drivers/ni_labpc_cs.c
@@ -285,8 +285,6 @@ static int labpc_pcmcia_config_loop(struct pcmcia_device *p_dev,
unsigned int vcc,
void *priv_data)
{
- win_req_t *req = priv_data;
-
if (cfg->index == 0)
return -ENODEV;
@@ -319,22 +317,6 @@ static int labpc_pcmcia_config_loop(struct pcmcia_device *p_dev,
return -ENODEV;
}
- if ((cfg->mem.nwin > 0) || (dflt->mem.nwin > 0)) {
- cistpl_mem_t *mem =
- (cfg->mem.nwin) ? &cfg->mem : &dflt->mem;
- req->Attributes = WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_CM;
- req->Attributes |= WIN_ENABLE;
- req->Base = mem->win[0].host_addr;
- req->Size = mem->win[0].len;
- if (req->Size < 0x1000)
- req->Size = 0x1000;
- req->AccessSpeed = 0;
- if (pcmcia_request_window(p_dev, req, &p_dev->win))
- return -ENODEV;
- if (pcmcia_map_mem_page(p_dev, p_dev->win,
- mem->win[0].card_addr))
- return -ENODEV;
- }
/* If we got this far, we're cool! */
return 0;
}
@@ -343,11 +325,10 @@ static int labpc_pcmcia_config_loop(struct pcmcia_device *p_dev,
static void labpc_config(struct pcmcia_device *link)
{
int ret;
- win_req_t req;
dev_dbg(&link->dev, "labpc_config\n");
- ret = pcmcia_loop_config(link, labpc_pcmcia_config_loop, &req);
+ ret = pcmcia_loop_config(link, labpc_pcmcia_config_loop, NULL);
if (ret) {
dev_warn(&link->dev, "no configuration found\n");
goto failed;
@@ -373,9 +354,6 @@ static void labpc_config(struct pcmcia_device *link)
printk(" & %pR", link->resource[0]);
if (link->resource[1])
printk(" & %pR", link->resource[1]);
- if (link->win)
- printk(", mem 0x%06lx-0x%06lx", req.Base,
- req.Base + req.Size - 1);
printk("\n");
return;
--
1.7.0.4
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