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path: root/drivers/net/wireless/ath/ath9k/hw.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/hw.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c43
1 files changed, 31 insertions, 12 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 8be4b1453394..ee9fb52cec62 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -19,6 +19,7 @@
#include <linux/module.h>
#include <linux/time.h>
#include <linux/bitops.h>
+#include <linux/etherdevice.h>
#include <asm/unaligned.h>
#include "hw.h"
@@ -446,8 +447,16 @@ static int ath9k_hw_init_macaddr(struct ath_hw *ah)
common->macaddr[2 * i] = eeval >> 8;
common->macaddr[2 * i + 1] = eeval & 0xff;
}
- if (sum == 0 || sum == 0xffff * 3)
- return -EADDRNOTAVAIL;
+ if (!is_valid_ether_addr(common->macaddr)) {
+ ath_err(common,
+ "eeprom contains invalid mac address: %pM\n",
+ common->macaddr);
+
+ random_ether_addr(common->macaddr);
+ ath_err(common,
+ "random mac address will be used: %pM\n",
+ common->macaddr);
+ }
return 0;
}
@@ -1953,8 +1962,10 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
if (ath9k_hw_mci_is_enabled(ah))
ar9003_mci_check_bt(ah);
- ath9k_hw_loadnf(ah, chan);
- ath9k_hw_start_nfcal(ah, true);
+ if (AR_SREV_9300_20_OR_LATER(ah)) {
+ ath9k_hw_loadnf(ah, chan);
+ ath9k_hw_start_nfcal(ah, true);
+ }
if (AR_SREV_9300_20_OR_LATER(ah))
ar9003_hw_bb_watchdog_config(ah);
@@ -2342,17 +2353,25 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
}
eeval = ah->eep_ops->get_eeprom(ah, EEP_OP_MODE);
- if ((eeval & (AR5416_OPFLAGS_11G | AR5416_OPFLAGS_11A)) == 0) {
- ath_err(common,
- "no band has been marked as supported in EEPROM\n");
- return -EINVAL;
+
+ if (eeval & AR5416_OPFLAGS_11A) {
+ if (ah->disable_5ghz)
+ ath_warn(common, "disabling 5GHz band\n");
+ else
+ pCap->hw_caps |= ATH9K_HW_CAP_5GHZ;
}
- if (eeval & AR5416_OPFLAGS_11A)
- pCap->hw_caps |= ATH9K_HW_CAP_5GHZ;
+ if (eeval & AR5416_OPFLAGS_11G) {
+ if (ah->disable_2ghz)
+ ath_warn(common, "disabling 2GHz band\n");
+ else
+ pCap->hw_caps |= ATH9K_HW_CAP_2GHZ;
+ }
- if (eeval & AR5416_OPFLAGS_11G)
- pCap->hw_caps |= ATH9K_HW_CAP_2GHZ;
+ if ((pCap->hw_caps & (ATH9K_HW_CAP_2GHZ | ATH9K_HW_CAP_5GHZ)) == 0) {
+ ath_err(common, "both bands are disabled\n");
+ return -EINVAL;
+ }
if (AR_SREV_9485(ah) ||
AR_SREV_9285(ah) ||