From 9bbef11096788514665390f7a8108dfc46abca09 Mon Sep 17 00:00:00 2001 From: blogic Date: Mon, 1 Sep 2014 13:21:57 +0000 Subject: [PATCH] mac80211/rt2x00: allow disabling bands through dts Add dts property ralink,2ghz and ralink,5ghz e.g. disable 2ghz band: wmac@10180000 { status = "okay"; ralink,2ghz = <0>; } Signed-off-by: Alexander Couzens Backport of r42281 git-svn-id: svn://svn.openwrt.org/openwrt/branches/barrier_breaker@42382 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- ...00-allow_disabling_bands_through_dts.patch | 27 +++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 package/kernel/mac80211/patches/609-rt2x00-allow_disabling_bands_through_dts.patch diff --git a/package/kernel/mac80211/patches/609-rt2x00-allow_disabling_bands_through_dts.patch b/package/kernel/mac80211/patches/609-rt2x00-allow_disabling_bands_through_dts.patch new file mode 100644 index 0000000..63a8641 --- /dev/null +++ b/package/kernel/mac80211/patches/609-rt2x00-allow_disabling_bands_through_dts.patch @@ -0,0 +1,27 @@ +--- a/drivers/net/wireless/rt2x00/rt2x00dev.c ++++ b/drivers/net/wireless/rt2x00/rt2x00dev.c +@@ -26,6 +26,7 @@ + #include + #include + #include ++#include + + #include "rt2x00.h" + #include "rt2x00lib.h" +@@ -951,6 +952,16 @@ static int rt2x00lib_probe_hw_modes(stru + struct ieee80211_rate *rates; + unsigned int num_rates; + unsigned int i; ++#ifdef CONFIG_OF ++ struct device_node *np = rt2x00dev->dev->of_node; ++ unsigned int enabled; ++ if (!of_property_read_u32(np, "ralink,2ghz", ++ &enabled) && !enabled) ++ spec->supported_bands &= ~SUPPORT_BAND_2GHZ; ++ if (!of_property_read_u32(np, "ralink,5ghz", ++ &enabled) && !enabled) ++ spec->supported_bands &= ~SUPPORT_BAND_5GHZ; ++#endif /* CONFIG_OF */ + + if (rt2x00dev->dev->platform_data) { + struct rt2x00_platform_data *pdata;