openwrtv3/package/kernel/mac80211/patches/615-rt2x00-fix_20mhz_clk.patch
Gabor Juhos 6c29525f42 mac80211: add a bunch of rt2x00 specific changes
Backport some rt2x00 specific changes from
wireless-testing/master-2013-08-26 to add
support for RT3573 based devices.

Also refresh the rt2x00 specific patches.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 37843
2013-08-27 10:44:06 +00:00

29 lines
756 B
Diff

--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -38,6 +38,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
+#include <linux/clk.h>
#include "rt2x00.h"
#include "rt2800lib.h"
@@ -7789,13 +7790,14 @@ static int rt2800_probe_rt(struct rt2x00
int rt2800_probe_clk(struct rt2x00_dev *rt2x00dev)
{
- struct rt2x00_platform_data *pdata = rt2x00dev->dev->platform_data;
struct hw_mode_spec *spec = &rt2x00dev->spec;
+ struct clk *clk = clk_get(rt2x00dev->dev, NULL);
- if (!pdata)
- return -EINVAL;
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
- spec->clk_is_20mhz = pdata->clk_is_20mhz;
+ if (clk_get_rate(clk) == 20000000)
+ spec->clk_is_20mhz = 1;
return 0;
}