From 9f34772a476cba359681f9d3327db6636d5624c5 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sun, 6 Apr 2014 10:41:23 +0000 Subject: mac80211: update to wireless-testing 2014-03-31 Signed-off-by: Felix Fietkau git-svn-id: svn://svn.openwrt.org/openwrt/trunk@40393 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- ...watchdog-on-~-and-rearm-on-first-Tx-after.patch | 73 ---------------------- 1 file changed, 73 deletions(-) delete mode 100644 package/kernel/mac80211/patches/902-wlcore-cancel-Tx-watchdog-on-~-and-rearm-on-first-Tx-after.patch (limited to 'package/kernel/mac80211/patches/902-wlcore-cancel-Tx-watchdog-on-~-and-rearm-on-first-Tx-after.patch') diff --git a/package/kernel/mac80211/patches/902-wlcore-cancel-Tx-watchdog-on-~-and-rearm-on-first-Tx-after.patch b/package/kernel/mac80211/patches/902-wlcore-cancel-Tx-watchdog-on-~-and-rearm-on-first-Tx-after.patch deleted file mode 100644 index 497227d474..0000000000 --- a/package/kernel/mac80211/patches/902-wlcore-cancel-Tx-watchdog-on-~-and-rearm-on-first-Tx-after.patch +++ /dev/null @@ -1,73 +0,0 @@ -Sometimes a tx_flush during suspend fails, but the FW manages to flush -out the packets during the time when the host is supsended. Cancel -the Tx-watchdog on suspend to not cause a spurious recovery on resume -for that case. Set a flag to reinit the watchdog on the first Tx after -resume, so we'll still recover if the FW is not empty and there's -indeed a problem. - -Signed-off-by: Arik Nemtsov -Signed-off-by: Eliad Peller - ---- -drivers/net/wireless/ti/wlcore/main.c | 13 +++++++++++++ - drivers/net/wireless/ti/wlcore/tx.c | 9 +++++++-- - drivers/net/wireless/ti/wlcore/wlcore_i.h | 1 + - 3 files changed, 21 insertions(+), 2 deletions(-) - ---- a/drivers/net/wireless/ti/wlcore/main.c -+++ b/drivers/net/wireless/ti/wlcore/main.c -@@ -1767,6 +1767,12 @@ static int wl1271_op_suspend(struct ieee - flush_work(&wl->tx_work); - flush_delayed_work(&wl->elp_work); - -+ /* -+ * Cancel the watchdog even if above tx_flush failed. We will detect -+ * it on resume anyway. -+ */ -+ cancel_delayed_work(&wl->tx_watchdog_work); -+ - return 0; - } - -@@ -1824,6 +1830,13 @@ static int wl1271_op_resume(struct ieee8 - - out: - wl->wow_enabled = false; -+ -+ /* -+ * Set a flag to re-init the watchdog on the first Tx after resume. -+ * That way we avoid possible conditions where Tx-complete interrupts -+ * fail to arrive and we perform a spurious recovery. -+ */ -+ set_bit(WL1271_FLAG_REINIT_TX_WDOG, &wl->flags); - mutex_unlock(&wl->mutex); - - return 0; ---- a/drivers/net/wireless/ti/wlcore/tx.c -+++ b/drivers/net/wireless/ti/wlcore/tx.c -@@ -234,8 +234,13 @@ static int wl1271_tx_allocate(struct wl1 - wl->tx_blocks_available -= total_blocks; - wl->tx_allocated_blocks += total_blocks; - -- /* If the FW was empty before, arm the Tx watchdog */ -- if (wl->tx_allocated_blocks == total_blocks) -+ /* -+ * If the FW was empty before, arm the Tx watchdog. Also do -+ * this on the first Tx after resume, as we always cancel the -+ * watchdog on suspend. -+ */ -+ if (wl->tx_allocated_blocks == total_blocks || -+ test_and_clear_bit(WL1271_FLAG_REINIT_TX_WDOG, &wl->flags)) - wl12xx_rearm_tx_watchdog_locked(wl); - - ac = wl1271_tx_get_queue(skb_get_queue_mapping(skb)); ---- a/drivers/net/wireless/ti/wlcore/wlcore_i.h -+++ b/drivers/net/wireless/ti/wlcore/wlcore_i.h -@@ -240,6 +240,7 @@ enum wl12xx_flags { - WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, - WL1271_FLAG_INTENDED_FW_RECOVERY, - WL1271_FLAG_IO_FAILED, -+ WL1271_FLAG_REINIT_TX_WDOG, - }; - - enum wl12xx_vif_flags { -- cgit v1.2.3