diff options
| -rw-r--r-- | package/mac80211/patches/b01-ath9k-allow-to-disable-bands-via-platform-data.patch | 70 | ||||
| -rw-r--r-- | target/linux/generic/files/include/linux/ath9k_platform.h | 3 |
2 files changed, 73 insertions, 0 deletions
diff --git a/package/mac80211/patches/b01-ath9k-allow-to-disable-bands-via-platform-data.patch b/package/mac80211/patches/b01-ath9k-allow-to-disable-bands-via-platform-data.patch new file mode 100644 index 000000000..0a071ffcc --- /dev/null +++ b/package/mac80211/patches/b01-ath9k-allow-to-disable-bands-via-platform-data.patch @@ -0,0 +1,70 @@ +--- a/include/linux/ath9k_platform.h ++++ b/include/linux/ath9k_platform.h +@@ -31,6 +31,9 @@ struct ath9k_platform_data { + + bool endian_check; + bool is_clk_25mhz; ++ bool disable_2ghz; ++ bool disable_5ghz; ++ + int (*get_mac_revision)(void); + int (*external_reset)(void); + +--- a/drivers/net/wireless/ath/ath9k/hw.c ++++ b/drivers/net/wireless/ath/ath9k/hw.c +@@ -2413,17 +2413,25 @@ 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) || AR_SREV_9330(ah)) + chip_chainmask = 1; +--- a/drivers/net/wireless/ath/ath9k/hw.h ++++ b/drivers/net/wireless/ath/ath9k/hw.h +@@ -927,6 +927,8 @@ struct ath_hw { + bool is_clk_25mhz; + int (*get_mac_revision)(void); + int (*external_reset)(void); ++ bool disable_2ghz; ++ bool disable_5ghz; + }; + + struct ath_bus_ops { +--- a/drivers/net/wireless/ath/ath9k/init.c ++++ b/drivers/net/wireless/ath/ath9k/init.c +@@ -537,6 +537,8 @@ 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; + } diff --git a/target/linux/generic/files/include/linux/ath9k_platform.h b/target/linux/generic/files/include/linux/ath9k_platform.h index 15b913730..53b25d229 100644 --- a/target/linux/generic/files/include/linux/ath9k_platform.h +++ b/target/linux/generic/files/include/linux/ath9k_platform.h @@ -31,6 +31,9 @@ struct ath9k_platform_data { bool endian_check; bool is_clk_25mhz; + bool disable_2ghz; + bool disable_5ghz; + int (*get_mac_revision)(void); int (*external_reset)(void); |