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pcmcia: do not request windows if you don't need to

瀏覽代碼 
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@vger.kernel.org
CC: linux-wireless@vger.kernel.org
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
This commit is contained in:
Dominik Brodowski
2010-07-28 09:32:02 +02:00
父節點 ad0c7be28b
當前提交 0f52e86ded
共有 5 個文件被更改，包括 5 次插入 和 140 次删除
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37
drivers/isdn/hisax/sedlbauer_cs.c
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@@ -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;