Root/package/mac80211/patches/405-ath9k-read-eeprom-data-from-platform-data-on-pci-bus.patch

1--- a/drivers/net/wireless/ath/ath9k/pci.c
2+++ b/drivers/net/wireless/ath/ath9k/pci.c
3@@ -16,6 +16,7 @@
4 
5 #include <linux/nl80211.h>
6 #include <linux/pci.h>
7+#include <linux/ath9k_platform.h>
8 #include "ath9k.h"
9 
10 static DEFINE_PCI_DEVICE_TABLE(ath_pci_id_table) = {
11@@ -53,21 +54,36 @@ static void ath_pci_read_cachesize(struc
12 
13 static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
14 {
15- struct ath_hw *ah = (struct ath_hw *) common->ah;
16+ struct ath_softc *sc = (struct ath_softc *) common->priv;
17+ struct ath9k_platform_data *pdata = sc->dev->platform_data;
18 
19- common->ops->read(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
20+ if (pdata) {
21+ if (off >= (ARRAY_SIZE(pdata->eeprom_data))) {
22+ ath_print(common, ATH_DBG_FATAL,
23+ "%s: eeprom read failed, offset %08x "
24+ "is out of range\n",
25+ __func__, off);
26+ }
27+
28+ *data = pdata->eeprom_data[off];
29+ } else {
30+ struct ath_hw *ah = (struct ath_hw *) common->ah;
31+
32+ common->ops->read(ah, AR5416_EEPROM_OFFSET +
33+ (off << AR5416_EEPROM_S));
34+
35+ if (!ath9k_hw_wait(ah,
36+ AR_EEPROM_STATUS_DATA,
37+ AR_EEPROM_STATUS_DATA_BUSY |
38+ AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0,
39+ AH_WAIT_TIMEOUT)) {
40+ return false;
41+ }
42 
43- if (!ath9k_hw_wait(ah,
44- AR_EEPROM_STATUS_DATA,
45- AR_EEPROM_STATUS_DATA_BUSY |
46- AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0,
47- AH_WAIT_TIMEOUT)) {
48- return false;
49+ *data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA),
50+ AR_EEPROM_STATUS_DATA_VAL);
51     }
52 
53- *data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA),
54- AR_EEPROM_STATUS_DATA_VAL);
55-
56     return true;
57 }
58 
59

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