package/mac80211: use platform_data on PCI devices in ath9k

SVN-Revision: 18436

1 files changed, 58 insertions, 0 deletions

diff --git a/package/mac80211/patches/405-ath9k-read-eeprom-data-from-platform-data-on-pci-bus.patch b/package/mac80211/patches/405-ath9k-read-eeprom-data-from-platform-data-on-pci-bus.patch
new file mode 100644
index 0000000..2f33d2e
--- /dev/null
+++ b/package/mac80211/patches/405-ath9k-read-eeprom-data-from-platform-data-on-pci-bus.patch
@@ -0,0 +1,58 @@
+--- a/drivers/net/wireless/ath/ath9k/pci.c
++++ b/drivers/net/wireless/ath/ath9k/pci.c
+@@ -16,6 +16,7 @@
+ 
+ #include <linux/nl80211.h>
+ #include <linux/pci.h>
++#include <linux/ath9k_platform.h>
+ #include "ath9k.h"
+ 
+ static struct pci_device_id ath_pci_id_table[] __devinitdata = {
+@@ -61,21 +62,36 @@ static void ath_pci_cleanup(struct ath_c
+ 
+ static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
+ {
+-	struct ath_hw *ah = (struct ath_hw *) common->ah;
++	struct ath_softc *sc = (struct ath_softc *) common->priv;
++	struct ath9k_platform_data *pdata = sc->dev->platform_data;
+ 
+-	common->ops->read(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
++	if (pdata) {
++		if (off >= (ARRAY_SIZE(pdata->eeprom_data))) {
++			ath_print(common, ATH_DBG_FATAL,
++				  "%s: eeprom read failed, offset %08x "
++				  "is out of range\n",
++				  __func__, off);
++		}
++
++		*data = pdata->eeprom_data[off];
++	} else {
++		struct ath_hw *ah = (struct ath_hw *) common->ah;
++
++		common->ops->read(ah, AR5416_EEPROM_OFFSET +
++				      (off << AR5416_EEPROM_S));
++
++		if (!ath9k_hw_wait(ah,
++				   AR_EEPROM_STATUS_DATA,
++				   AR_EEPROM_STATUS_DATA_BUSY |
++				   AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0,
++				   AH_WAIT_TIMEOUT)) {
++			return false;
++		}
+ 
+-	if (!ath9k_hw_wait(ah,
+-			   AR_EEPROM_STATUS_DATA,
+-			   AR_EEPROM_STATUS_DATA_BUSY |
+-			   AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0,
+-			   AH_WAIT_TIMEOUT)) {
+-		return false;
++		*data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA),
++			   AR_EEPROM_STATUS_DATA_VAL);
+ 	}
+ 
+-	*data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA),
+-		   AR_EEPROM_STATUS_DATA_VAL);
+-
+ 	return true;
+ }
+