package/kernel/mac80211/patches/609-rt2x00-allow_disabling_bands_through_dts.patch

   1 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
   2 +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
   3 @@ -26,6 +26,7 @@
   4  #include <linux/module.h>
   5  #include <linux/slab.h>
   6  #include <linux/log2.h>
   7 +#include <linux/of.h>
   8
   9  #include "rt2x00.h"
  10  #include "rt2x00lib.h"
  11 @@ -951,6 +952,16 @@ static int rt2x00lib_probe_hw_modes(stru
  12         struct ieee80211_rate *rates;
  13         unsigned int num_rates;
  14         unsigned int i;
  15 +#ifdef CONFIG_OF
  16 +       struct device_node *np = rt2x00dev->dev->of_node;
  17 +       unsigned int enabled;
  18 +       if (!of_property_read_u32(np, "ralink,2ghz",
  19 +                                          &enabled) && !enabled)
  20 +               spec->supported_bands &= ~SUPPORT_BAND_2GHZ;
  21 +       if (!of_property_read_u32(np, "ralink,5ghz",
  22 +                                          &enabled) && !enabled)
  23 +               spec->supported_bands &= ~SUPPORT_BAND_5GHZ;
  24 +#endif /* CONFIG_OF */
  25
  26         if (rt2x00dev->dev->platform_data) {
  27                 struct rt2x00_platform_data *pdata;