From f0d9e712e459332ec527802f7eaca104c47b14c2 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sat, 18 Oct 2014 17:38:59 +0000 Subject: mac80211: update to 2014-10-08 Signed-off-by: Felix Fietkau SVN-Revision: 42952 --- ...k-allow-disabling-bands-via-platform-data.patch | 81 ++++++++++++++++++++++ 1 file changed, 81 insertions(+) create mode 100644 package/kernel/mac80211/patches/334-ath9k-allow-disabling-bands-via-platform-data.patch (limited to 'package/kernel/mac80211/patches/334-ath9k-allow-disabling-bands-via-platform-data.patch') diff --git a/package/kernel/mac80211/patches/334-ath9k-allow-disabling-bands-via-platform-data.patch b/package/kernel/mac80211/patches/334-ath9k-allow-disabling-bands-via-platform-data.patch new file mode 100644 index 0000000000..f7185b0d74 --- /dev/null +++ b/package/kernel/mac80211/patches/334-ath9k-allow-disabling-bands-via-platform-data.patch @@ -0,0 +1,81 @@ +From: Felix Fietkau +Date: Sat, 18 Oct 2014 18:27:23 +0200 +Subject: [PATCH] ath9k: allow disabling bands via platform data + +Some devices have multiple bands enables in the EEPROM data, even though +they are only calibrated for one. Allow platform data to disable +unsupported bands. + +Signed-off-by: Gabor Juhos +Signed-off-by: Felix Fietkau +--- + +--- a/drivers/net/wireless/ath/ath9k/hw.c ++++ b/drivers/net/wireless/ath/ath9k/hw.c +@@ -2344,17 +2344,25 @@ int ath9k_hw_fill_cap_info(struct ath_hw + } + + eeval = ah->eep_ops->get_eeprom(ah, EEP_OP_MODE); +- if ((eeval & (AR5416_OPFLAGS_11G | AR5416_OPFLAGS_11A)) == 0) { +- ath_err(common, +- "no band has been marked as supported in EEPROM\n"); +- return -EINVAL; ++ ++ if (eeval & AR5416_OPFLAGS_11A) { ++ if (ah->disable_5ghz) ++ ath_warn(common, "disabling 5GHz band\n"); ++ else ++ pCap->hw_caps |= ATH9K_HW_CAP_5GHZ; + } + +- if (eeval & AR5416_OPFLAGS_11A) +- pCap->hw_caps |= ATH9K_HW_CAP_5GHZ; ++ if (eeval & AR5416_OPFLAGS_11G) { ++ if (ah->disable_2ghz) ++ ath_warn(common, "disabling 2GHz band\n"); ++ else ++ pCap->hw_caps |= ATH9K_HW_CAP_2GHZ; ++ } + +- if (eeval & AR5416_OPFLAGS_11G) +- pCap->hw_caps |= ATH9K_HW_CAP_2GHZ; ++ if ((pCap->hw_caps & (ATH9K_HW_CAP_2GHZ | ATH9K_HW_CAP_5GHZ)) == 0) { ++ ath_err(common, "both bands are disabled\n"); ++ return -EINVAL; ++ } + + if (AR_SREV_9485(ah) || + AR_SREV_9285(ah) || +--- a/drivers/net/wireless/ath/ath9k/hw.h ++++ b/drivers/net/wireless/ath/ath9k/hw.h +@@ -930,6 +930,8 @@ struct ath_hw { + bool is_clk_25mhz; + int (*get_mac_revision)(void); + int (*external_reset)(void); ++ bool disable_2ghz; ++ bool disable_5ghz; + + const struct firmware *eeprom_blob; + +--- a/drivers/net/wireless/ath/ath9k/init.c ++++ b/drivers/net/wireless/ath/ath9k/init.c +@@ -531,6 +531,8 @@ static int ath9k_init_softc(u16 devid, s + ah->is_clk_25mhz = pdata->is_clk_25mhz; + ah->get_mac_revision = pdata->get_mac_revision; + ah->external_reset = pdata->external_reset; ++ ah->disable_2ghz = pdata->disable_2ghz; ++ ah->disable_5ghz = pdata->disable_5ghz; + if (!pdata->endian_check) + ah->ah_flags |= AH_NO_EEP_SWAP; + } +--- a/include/linux/ath9k_platform.h ++++ b/include/linux/ath9k_platform.h +@@ -34,6 +34,8 @@ struct ath9k_platform_data { + bool endian_check; + bool is_clk_25mhz; + bool tx_gain_buffalo; ++ bool disable_2ghz; ++ bool disable_5ghz; + + int (*get_mac_revision)(void); + int (*external_reset)(void); -- cgit v1.2.3