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Diffstat (limited to 'package/kernel/mac80211/patches/501-ath9k-eeprom_endianess.patch')
-rw-r--r--package/kernel/mac80211/patches/501-ath9k-eeprom_endianess.patch102
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);