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41 lines
1.4 KiB
Diff
41 lines
1.4 KiB
Diff
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From 14ea48a5f5702ddc97425cbe520600e187e14e4a Mon Sep 17 00:00:00 2001
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From: John Crispin <blogic@openwrt.org>
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Date: Thu, 11 Aug 2011 13:58:39 +0200
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Subject: [PATCH 03/16] MIPS: lantiq: fix watchdogs timeout handling
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The enable function was using the global timeout variable for local operations.
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This resulted in the value of the global variable being corrupted, thus
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breaking the code.
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Signed-off-by: John Crispin <blogic@openwrt.org>
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Signed-off-by: Thomas Langer <thomas.langer@lantiq.com>
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Cc: linux-watchdog@vger.kernel.org
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Cc: linux-mips@linux-mips.org
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---
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drivers/watchdog/lantiq_wdt.c | 8 ++++----
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1 files changed, 4 insertions(+), 4 deletions(-)
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--- a/drivers/watchdog/lantiq_wdt.c
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+++ b/drivers/watchdog/lantiq_wdt.c
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@@ -51,16 +51,16 @@ static int ltq_wdt_ok_to_close;
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static void
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ltq_wdt_enable(void)
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{
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- ltq_wdt_timeout = ltq_wdt_timeout *
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+ unsigned long int timeout = ltq_wdt_timeout *
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(ltq_io_region_clk_rate / LTQ_WDT_DIVIDER) + 0x1000;
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- if (ltq_wdt_timeout > LTQ_MAX_TIMEOUT)
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- ltq_wdt_timeout = LTQ_MAX_TIMEOUT;
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+ if (timeout > LTQ_MAX_TIMEOUT)
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+ timeout = LTQ_MAX_TIMEOUT;
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/* write the first password magic */
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ltq_w32(LTQ_WDT_PW1, ltq_wdt_membase + LTQ_WDT_CR);
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/* write the second magic plus the configuration and new timeout */
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ltq_w32(LTQ_WDT_SR_EN | LTQ_WDT_SR_PWD | LTQ_WDT_SR_CLKDIV |
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- LTQ_WDT_PW2 | ltq_wdt_timeout, ltq_wdt_membase + LTQ_WDT_CR);
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+ LTQ_WDT_PW2 | timeout, ltq_wdt_membase + LTQ_WDT_CR);
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}
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static void
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