diff options
Diffstat (limited to 'package/kernel/mac80211/patches/501-ath9k-eeprom_endianess.patch')
-rw-r--r-- | package/kernel/mac80211/patches/501-ath9k-eeprom_endianess.patch | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/501-ath9k-eeprom_endianess.patch b/package/kernel/mac80211/patches/501-ath9k-eeprom_endianess.patch new file mode 100644 index 0000000000..3d904e939d --- /dev/null +++ b/package/kernel/mac80211/patches/501-ath9k-eeprom_endianess.patch @@ -0,0 +1,102 @@ +--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c ++++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c +@@ -262,7 +262,7 @@ static int ath9k_hw_def_check_eeprom(str + { + struct ar5416_eeprom_def *eep = &ah->eeprom.def; + struct ath_common *common = ath9k_hw_common(ah); +- u16 *eepdata, temp, magic, magic2; ++ u16 *eepdata, temp, magic; + u32 sum = 0, el; + bool need_swap = false; + int i, addr, size; +@@ -272,27 +272,16 @@ static int ath9k_hw_def_check_eeprom(str + return false; + } + +- if (!ath9k_hw_use_flash(ah)) { +- ath_dbg(common, EEPROM, "Read Magic = 0x%04X\n", magic); +- +- if (magic != AR5416_EEPROM_MAGIC) { +- magic2 = swab16(magic); +- +- if (magic2 == AR5416_EEPROM_MAGIC) { +- size = sizeof(struct ar5416_eeprom_def); +- need_swap = true; +- eepdata = (u16 *) (&ah->eeprom); +- +- for (addr = 0; addr < size / sizeof(u16); addr++) { +- temp = swab16(*eepdata); +- *eepdata = temp; +- eepdata++; +- } +- } else { +- ath_err(common, +- "Invalid EEPROM Magic. Endianness mismatch.\n"); +- return -EINVAL; +- } ++ if (swab16(magic) == AR5416_EEPROM_MAGIC && ++ !(ah->ah_flags & AH_NO_EEP_SWAP)) { ++ size = sizeof(struct ar5416_eeprom_def); ++ need_swap = true; ++ eepdata = (u16 *) (&ah->eeprom); ++ ++ for (addr = 0; addr < size / sizeof(u16); addr++) { ++ temp = swab16(*eepdata); ++ *eepdata = temp; ++ eepdata++; + } + } + +--- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c ++++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c +@@ -57,7 +57,7 @@ static bool ath9k_hw_4k_fill_eeprom(stru + { + struct ath_common *common = ath9k_hw_common(ah); + +- if (!ath9k_hw_use_flash(ah)) { ++ if (!(ah->ah_flags & AH_NO_EEP_SWAP)) { + ath_dbg(common, EEPROM, "Reading from EEPROM, not flash\n"); + } + +--- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c ++++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c +@@ -60,7 +60,7 @@ static bool ath9k_hw_ar9287_fill_eeprom( + { + struct ath_common *common = ath9k_hw_common(ah); + +- if (!ath9k_hw_use_flash(ah)) { ++ if (!(ah->ah_flags & AH_NO_EEP_SWAP)) { + ath_dbg(common, EEPROM, "Reading from EEPROM, not flash\n"); + } + +--- a/drivers/net/wireless/ath/ath9k/hw.h ++++ b/drivers/net/wireless/ath/ath9k/hw.h +@@ -735,6 +735,7 @@ enum ath_cal_list { + #define AH_USE_EEPROM 0x1 + #define AH_UNPLUGGED 0x2 /* The card has been physically removed. */ + #define AH_FASTCC 0x4 ++#define AH_NO_EEP_SWAP 0x8 /* Do not swap EEPROM data */ + + struct ath_hw { + struct ath_ops reg_ops; +--- a/drivers/net/wireless/ath/ath9k/init.c ++++ b/drivers/net/wireless/ath/ath9k/init.c +@@ -592,6 +592,8 @@ 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; ++ if (!pdata->endian_check) ++ ah->ah_flags |= AH_NO_EEP_SWAP; + } + + common = ath9k_hw_common(ah); +--- a/include/linux/ath9k_platform.h ++++ b/include/linux/ath9k_platform.h +@@ -31,6 +31,7 @@ struct ath9k_platform_data { + u32 gpio_mask; + u32 gpio_val; + ++ bool endian_check; + bool is_clk_25mhz; + int (*get_mac_revision)(void); + int (*external_reset)(void); |