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openwrt-xburst/package/mac80211/patches/570-ath9k-add-external_reset-callback-to-ath9k_platfom_d.patch
hauke 58dfdd9138 package/mac80211: Add linux 3.0 compatibility
Add patches from Hauke adding linux 3.0 compatibility.

Signed-off-by: Jonas Gorski <jonas.gorski+openwrt@gmail.com>


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27187 3c298f89-4303-0410-b956-a3cf2f4a3e73
2011-06-15 21:16:38 +00:00

75 lines
1.8 KiB
Diff

--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1170,6 +1170,41 @@ static bool ath9k_hw_set_reset(struct at
rst_flags |= AR_RTC_RC_MAC_COLD;
}
+ if (AR_SREV_9330(ah)) {
+ int npend = 0;
+ int i;
+
+ /* AR9330 WAR:
+ * call external reset function to reset WMAC if:
+ * - doing a cold reset
+ * - we have pending frames in the TX queues
+ */
+
+ for (i = 0; i < AR_NUM_QCU; i++) {
+ npend = ath9k_hw_numtxpending(ah, i);
+ if (npend)
+ break;
+ }
+
+ if (ah->external_reset &&
+ (npend || type == ATH9K_RESET_COLD)) {
+ int reset_err = 0;
+
+ ath_dbg(ath9k_hw_common(ah), ATH_DBG_RESET,
+ "reset MAC via external reset\n");
+
+ reset_err = ah->external_reset();
+ if (reset_err) {
+ ath_err(ath9k_hw_common(ah),
+ "External reset failed, err=%d\n",
+ reset_err);
+ return false;
+ }
+
+ REG_WRITE(ah, AR_RTC_RESET, 1);
+ }
+ }
+
REG_WRITE(ah, AR_RTC_RC, rst_flags);
REGWRITE_BUFFER_FLUSH(ah);
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -864,6 +864,7 @@ struct ath_hw {
bool is_clk_25mhz;
int (*get_mac_revision)(void);
+ int (*external_reset)(void);
};
struct ath_bus_ops {
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -576,6 +576,7 @@ static int ath9k_init_softc(u16 devid, s
sc->sc_ah->led_pin = pdata->led_pin;
ah->is_clk_25mhz = pdata->is_clk_25mhz;
ah->get_mac_revision = pdata->get_mac_revision;
+ ah->external_reset = pdata->external_reset;
}
common = ath9k_hw_common(ah);
--- a/include/linux/ath9k_platform.h
+++ b/include/linux/ath9k_platform.h
@@ -31,6 +31,7 @@ struct ath9k_platform_data {
bool is_clk_25mhz;
int (*get_mac_revision)(void);
+ int (*external_reset)(void);
};
#endif /* _LINUX_ATH9K_PLATFORM_H */