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ath9k: make endian check optional

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Turns out it triggers on some AR71xx devices where no swapping should be done.
Enable endian check for the lantiq target.

SVN-Revision: 31084
This commit is contained in:
Felix Fietkau 2012-03-27 13:21:53 +00:00
parent 2143633bd2
commit 5f799a0e97
3 changed files with 58 additions and 2 deletions
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58
package/mac80211/patches/501-ath9k-eeprom_endianess.patch
View file

@ -9,7 +9,7 @@
u32 sum = 0, el;
bool need_swap = false;
int i, addr, size;
@@ -277,27 +277,15 @@ static int ath9k_hw_def_check_eeprom(str
@@ -277,27 +277,16 @@ static int ath9k_hw_def_check_eeprom(str
return false;
}
@ -34,7 +34,8 @@
- "Invalid EEPROM Magic. Endianness mismatch.\n");
- return -EINVAL;
- }
+ if (swab16(magic) == AR5416_EEPROM_MAGIC) {
+ 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);
@ -46,3 +47,56 @@
}
}
--- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
@@ -196,7 +196,7 @@ static int ath9k_hw_4k_check_eeprom(stru
int i, addr;
- if (!ath9k_hw_use_flash(ah)) {
+ if (!(ah->ah_flags & AH_NO_EEP_SWAP)) {
if (!ath9k_hw_nvram_read(common, AR5416_EEPROM_MAGIC_OFFSET,
&magic)) {
ath_err(common, "Reading Magic # failed\n");
--- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
@@ -189,7 +189,7 @@ static int ath9k_hw_ar9287_check_eeprom(
struct ar9287_eeprom *eep = &ah->eeprom.map9287;
struct ath_common *common = ath9k_hw_common(ah);
- if (!ath9k_hw_use_flash(ah)) {
+ if (!(ah->ah_flags & AH_NO_EEP_SWAP)) {
if (!ath9k_hw_nvram_read(common, AR5416_EEPROM_MAGIC_OFFSET,
&magic)) {
ath_err(common, "Reading Magic # failed\n");
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -662,6 +662,7 @@ 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
@@ -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;
+ 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
@@ -29,6 +29,7 @@ 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);

1
target/linux/generic/files/include/linux/ath9k_platform.h
View file

@ -29,6 +29,7 @@ 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);

1
target/linux/lantiq/files-3.2/arch/mips/lantiq/xway/dev-wifi-athxk.c
View file

@ -19,6 +19,7 @@ extern int (*ltqpci_plat_dev_init)(struct pci_dev *dev);
struct ath5k_platform_data ath5k_pdata;
struct ath9k_platform_data ath9k_pdata = {
.led_pin = -1,
.endian_check = true,
};
static int