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https://github.com/openwrt/openwrt.git
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59 lines
1.6 KiB
Diff
59 lines
1.6 KiB
Diff
--- a/drivers/net/wireless/ath/ath9k/pci.c
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+++ b/drivers/net/wireless/ath/ath9k/pci.c
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@@ -16,6 +16,7 @@
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#include <linux/nl80211.h>
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#include <linux/pci.h>
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+#include <linux/ath9k_platform.h>
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#include "ath9k.h"
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static DEFINE_PCI_DEVICE_TABLE(ath_pci_id_table) = {
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@@ -52,21 +53,36 @@ static void ath_pci_read_cachesize(struc
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static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
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{
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- struct ath_hw *ah = (struct ath_hw *) common->ah;
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+ struct ath_softc *sc = (struct ath_softc *) common->priv;
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+ struct ath9k_platform_data *pdata = sc->dev->platform_data;
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- common->ops->read(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
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+ if (pdata) {
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+ if (off >= (ARRAY_SIZE(pdata->eeprom_data))) {
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+ ath_print(common, ATH_DBG_FATAL,
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+ "%s: eeprom read failed, offset %08x "
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+ "is out of range\n",
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+ __func__, off);
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+ }
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+
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+ *data = pdata->eeprom_data[off];
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+ } else {
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+ struct ath_hw *ah = (struct ath_hw *) common->ah;
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+
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+ common->ops->read(ah, AR5416_EEPROM_OFFSET +
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+ (off << AR5416_EEPROM_S));
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+
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+ if (!ath9k_hw_wait(ah,
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+ AR_EEPROM_STATUS_DATA,
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+ AR_EEPROM_STATUS_DATA_BUSY |
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+ AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0,
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+ AH_WAIT_TIMEOUT)) {
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+ return false;
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+ }
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- if (!ath9k_hw_wait(ah,
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- AR_EEPROM_STATUS_DATA,
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- AR_EEPROM_STATUS_DATA_BUSY |
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- AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0,
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- AH_WAIT_TIMEOUT)) {
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- return false;
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+ *data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA),
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+ AR_EEPROM_STATUS_DATA_VAL);
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}
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- *data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA),
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- AR_EEPROM_STATUS_DATA_VAL);
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-
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return true;
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}
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