From e0b80e41eb0b24e76285b9355725d2f4f66ada50 Mon Sep 17 00:00:00 2001 From: juhosg Date: Sun, 22 Jan 2012 22:38:19 +0000 Subject: ar71xx: add initial support for 3.2 Tested on the following boards: ALFA AP96 TL-MR3220 v1 TL-WR1043ND v1 TL-WR2543ND v1 TL-WR703N v1 TL-WR741ND v1 TL-WR741ND v4 WNDR3700 v1 WZR-HP-G300NH git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29868 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- ...-watchdog-ath79_wdt-flush-register-writes.patch | 43 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 target/linux/ar71xx/patches-3.2/027-watchdog-ath79_wdt-flush-register-writes.patch (limited to 'target/linux/ar71xx/patches-3.2/027-watchdog-ath79_wdt-flush-register-writes.patch') diff --git a/target/linux/ar71xx/patches-3.2/027-watchdog-ath79_wdt-flush-register-writes.patch b/target/linux/ar71xx/patches-3.2/027-watchdog-ath79_wdt-flush-register-writes.patch new file mode 100644 index 000000000..32d39448a --- /dev/null +++ b/target/linux/ar71xx/patches-3.2/027-watchdog-ath79_wdt-flush-register-writes.patch @@ -0,0 +1,43 @@ +From 156560a512a39284148d556ab96e2e833e816666 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos +Date: Fri, 23 Dec 2011 19:25:42 +0100 +Subject: [PATCH 27/27] watchdog: ath79_wdt: flush register writes + +The watchdog register writes required to have a flush +in order to commit the values to the register. Without +the flush, the driver not function correctly on AR934X +SoCs. + +Signed-off-by: Gabor Juhos +Acked-by: Luis R. Rodriguez +Signed-off-by: Wim Van Sebroeck +--- + drivers/watchdog/ath79_wdt.c | 6 ++++++ + 1 files changed, 6 insertions(+), 0 deletions(-) + +--- a/drivers/watchdog/ath79_wdt.c ++++ b/drivers/watchdog/ath79_wdt.c +@@ -68,17 +68,23 @@ static int max_timeout; + static inline void ath79_wdt_keepalive(void) + { + ath79_reset_wr(AR71XX_RESET_REG_WDOG, wdt_freq * timeout); ++ /* flush write */ ++ ath79_reset_rr(AR71XX_RESET_REG_WDOG); + } + + static inline void ath79_wdt_enable(void) + { + ath79_wdt_keepalive(); + ath79_reset_wr(AR71XX_RESET_REG_WDOG_CTRL, WDOG_CTRL_ACTION_FCR); ++ /* flush write */ ++ ath79_reset_rr(AR71XX_RESET_REG_WDOG_CTRL); + } + + static inline void ath79_wdt_disable(void) + { + ath79_reset_wr(AR71XX_RESET_REG_WDOG_CTRL, WDOG_CTRL_ACTION_NONE); ++ /* flush write */ ++ ath79_reset_rr(AR71XX_RESET_REG_WDOG_CTRL); + } + + static int ath79_wdt_set_timeout(int val) -- cgit v1.2.3