package/mac80211/patches/615-rt2x00-fix_20mhz_clk.patch

   1 Index: compat-wireless-2013-02-22/drivers/net/wireless/rt2x00/rt2800lib.c
   2 ===================================================================
   3 --- compat-wireless-2013-02-22.orig/drivers/net/wireless/rt2x00/rt2800lib.c     2013-04-02 10:56:56.245205151 +0200
   4 +++ compat-wireless-2013-02-22/drivers/net/wireless/rt2x00/rt2800lib.c  2013-04-02 11:24:06.057243987 +0200
   5 @@ -38,6 +38,7 @@
   6  #include <linux/kernel.h>
   7  #include <linux/module.h>
   8  #include <linux/slab.h>
   9 +#include <linux/clk.h>
  10
  11  #include "rt2x00.h"
  12  #include "rt2800lib.h"
  13 @@ -5505,13 +5506,14 @@
  14
  15  int rt2800_probe_clk(struct rt2x00_dev *rt2x00dev)
  16  {
  17 -       struct rt2x00_platform_data *pdata = rt2x00dev->dev->platform_data;
  18         struct hw_mode_spec *spec = &rt2x00dev->spec;
  19 +       struct clk *clk = clk_get(rt2x00dev->dev, NULL);
  20
  21 -       if (!pdata)
  22 -               return -EINVAL;
  23 +       if (IS_ERR(clk))
  24 +               return PTR_ERR(clk);
  25
  26 -       spec->clk_is_20mhz = pdata->clk_is_20mhz;
  27 +       if (clk_get_rate(clk) == 20000000)
  28 +               spec->clk_is_20mhz = 1;
  29
  30         return 0;
  31  }