From 5ea0cff89c553b008fa20d6af1ea1cb6972ab2d5 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Thu, 17 Jul 2014 16:36:10 +0000 Subject: [PATCH] atheros[ar2315-wdt]: update interrupt handling Acknowledge watchdog interrupt in arch irq dispatcher and remove odd watchdog enable call from probe function. Signed-off-by: Sergey Ryazanov SVN-Revision: 41687 --- target/linux/atheros/patches-3.10/100-board.patch | 7 ++++--- target/linux/atheros/patches-3.10/130-watchdog.patch | 5 +---- 2 files changed, 5 insertions(+), 7 deletions(-) diff --git a/target/linux/atheros/patches-3.10/100-board.patch b/target/linux/atheros/patches-3.10/100-board.patch index 02ab9432d4..316982753c 100644 --- a/target/linux/atheros/patches-3.10/100-board.patch +++ b/target/linux/atheros/patches-3.10/100-board.patch @@ -2134,7 +2134,7 @@ + --- /dev/null +++ b/arch/mips/ar231x/ar2315.c -@@ -0,0 +1,623 @@ +@@ -0,0 +1,624 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive @@ -2234,9 +2234,10 @@ + ar2315_gpio_irq(); + else if (misc_intr & AR2315_ISR_UART0) + do_IRQ(AR531X_MISC_IRQ_UART0); -+ else if (misc_intr & AR2315_ISR_WD) ++ else if (misc_intr & AR2315_ISR_WD) { ++ ar231x_write_reg(AR2315_ISR, AR2315_ISR_WD); + do_IRQ(AR531X_MISC_IRQ_WATCHDOG); -+ else ++ } else + do_IRQ(AR531X_MISC_IRQ_NONE); + } else if (pending & CAUSEF_IP7) + do_IRQ(AR531X_IRQ_CPU_CLOCK); diff --git a/target/linux/atheros/patches-3.10/130-watchdog.patch b/target/linux/atheros/patches-3.10/130-watchdog.patch index b0284e738d..06c8d44a45 100644 --- a/target/linux/atheros/patches-3.10/130-watchdog.patch +++ b/target/linux/atheros/patches-3.10/130-watchdog.patch @@ -1,6 +1,6 @@ --- /dev/null +++ b/drivers/watchdog/ar2315-wtd.c -@@ -0,0 +1,189 @@ +@@ -0,0 +1,186 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by @@ -52,7 +52,6 @@ +ar2315_wdt_enable(void) +{ + ar231x_write_reg(AR2315_WD, wdt_timeout * CLOCK_RATE); -+ ar231x_write_reg(AR2315_ISR, 0x80); +} + +static ssize_t @@ -92,7 +91,6 @@ + } else { + ar231x_write_reg(AR2315_WDC, 0); + ar231x_write_reg(AR2315_WD, 0); -+ ar231x_write_reg(AR2315_ISR, 0x80); + } + return IRQ_HANDLED; +} @@ -151,7 +149,6 @@ +{ + int ret = 0; + -+ ar2315_wdt_enable(); + ret = request_irq(AR531X_MISC_IRQ_WATCHDOG, ar2315_wdt_interrupt, + IRQF_DISABLED, DRIVER_NAME, dev); + if (ret) { -- 2.30.2