OpenWrt
/branches/gl-inet/package/kernel/mac80211/patches/606-rt2x00-allow_disabling_bands_through_platform_data.patch |
@@ -0,0 +1,47 @@ |
--- a/include/linux/rt2x00_platform.h |
+++ b/include/linux/rt2x00_platform.h |
@@ -14,6 +14,9 @@ |
|
struct rt2x00_platform_data { |
char *eeprom_file_name; |
+ |
+ int disable_2ghz; |
+ int disable_5ghz; |
}; |
|
#endif /* _RT2X00_PLATFORM_H */ |
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c |
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c |
@@ -1026,6 +1026,22 @@ static int rt2x00lib_probe_hw_modes(stru |
unsigned int num_rates; |
unsigned int i; |
|
+ if (rt2x00dev->dev->platform_data) { |
+ struct rt2x00_platform_data *pdata; |
+ |
+ pdata = rt2x00dev->dev->platform_data; |
+ if (pdata->disable_2ghz) |
+ spec->supported_bands &= ~SUPPORT_BAND_2GHZ; |
+ if (pdata->disable_5ghz) |
+ spec->supported_bands &= ~SUPPORT_BAND_5GHZ; |
+ } |
+ |
+ if ((spec->supported_bands & SUPPORT_BAND_BOTH) == 0) { |
+ rt2x00_err(rt2x00dev, "No supported bands\n"); |
+ return -EINVAL; |
+ } |
+ |
+ |
num_rates = 0; |
if (spec->supported_rates & SUPPORT_RATE_CCK) |
num_rates += 4; |
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h |
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h |
@@ -409,6 +409,7 @@ struct hw_mode_spec { |
unsigned int supported_bands; |
#define SUPPORT_BAND_2GHZ 0x00000001 |
#define SUPPORT_BAND_5GHZ 0x00000002 |
+#define SUPPORT_BAND_BOTH (SUPPORT_BAND_2GHZ | SUPPORT_BAND_5GHZ) |
|
unsigned int supported_rates; |
#define SUPPORT_RATE_CCK 0x00000001 |