diff options
Diffstat (limited to 'package/kernel/mac80211/patches/314-ath9k-Use-tsf-offset-helper-in-ath9k_hw_reset.patch')
-rw-r--r-- | package/kernel/mac80211/patches/314-ath9k-Use-tsf-offset-helper-in-ath9k_hw_reset.patch | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/package/kernel/mac80211/patches/314-ath9k-Use-tsf-offset-helper-in-ath9k_hw_reset.patch b/package/kernel/mac80211/patches/314-ath9k-Use-tsf-offset-helper-in-ath9k_hw_reset.patch deleted file mode 100644 index e725a8b..0000000 --- a/package/kernel/mac80211/patches/314-ath9k-Use-tsf-offset-helper-in-ath9k_hw_reset.patch +++ /dev/null @@ -1,65 +0,0 @@ -From: Benjamin Berg <benjamin.berg@open-mesh.com> -Date: Mon, 4 Jul 2016 14:37:22 +0200 -Subject: [PATCH] ath9k: Use tsf offset helper in ath9k_hw_reset - -These changes make ath9k_hw_reset more consistent with other places that -handle the TSF value by using the same helper routine. - -A slight improvement is to not assume that a fixed time of 1.5ms has -passed for the initval writes when compared to the first write attempt. -Instead the TSF value is re-calculated which will yield a higher accuracy -of the restored TSF timer. - -Signed-off-by: Benjamin Berg <benjamin.berg@open-mesh.com> ---- - ---- a/drivers/net/wireless/ath/ath9k/hw.c -+++ b/drivers/net/wireless/ath/ath9k/hw.c -@@ -1832,8 +1832,9 @@ int ath9k_hw_reset(struct ath_hw *ah, st - u32 saveLedState; - u32 saveDefAntenna; - u32 macStaId1; -+ struct timespec tsf_ts; -+ u32 tsf_offset; - u64 tsf = 0; -- s64 usec = 0; - int r; - bool start_mci_reset = false; - bool save_fullsleep = ah->chip_fullsleep; -@@ -1877,8 +1878,8 @@ int ath9k_hw_reset(struct ath_hw *ah, st - macStaId1 = REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_BASE_RATE_11B; - - /* Save TSF before chip reset, a cold reset clears it */ -+ getrawmonotonic(&tsf_ts); - tsf = ath9k_hw_gettsf64(ah); -- usec = ktime_to_us(ktime_get_raw()); - - saveLedState = REG_READ(ah, AR_CFG_LED) & - (AR_CFG_LED_ASSOC_CTL | AR_CFG_LED_MODE_SEL | -@@ -1911,8 +1912,8 @@ int ath9k_hw_reset(struct ath_hw *ah, st - } - - /* Restore TSF */ -- usec = ktime_to_us(ktime_get_raw()) - usec; -- ath9k_hw_settsf64(ah, tsf + usec); -+ tsf_offset = ath9k_hw_get_tsf_offset(&tsf_ts, NULL); -+ ath9k_hw_settsf64(ah, tsf + tsf_offset); - - if (AR_SREV_9280_20_OR_LATER(ah)) - REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, AR_GPIO_JTAG_DISABLE); -@@ -1932,12 +1933,11 @@ int ath9k_hw_reset(struct ath_hw *ah, st - /* - * Some AR91xx SoC devices frequently fail to accept TSF writes - * right after the chip reset. When that happens, write a new -- * value after the initvals have been applied, with an offset -- * based on measured time difference -+ * value after the initvals have been applied. - */ - if (AR_SREV_9100(ah) && (ath9k_hw_gettsf64(ah) < tsf)) { -- tsf += 1500; -- ath9k_hw_settsf64(ah, tsf); -+ tsf_offset = ath9k_hw_get_tsf_offset(&tsf_ts, NULL); -+ ath9k_hw_settsf64(ah, tsf + tsf_offset); - } - - ath9k_hw_init_mfp(ah); |