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[WATCHDOG] w83697hf/hg WDT driver - patch 8

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This is patch 8 in the series of patches that converts
Marcus Junker's w83697hf watchdog driver to Samuel Tardieau's
w83697hf/hg watchdog driver.

This patch contains following changes:
 - add w83697hf_lock function to leave the
   chipsets extended function mode.

Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Samuel Tardieu 2006-09-07 11:57:00 +02:00 committed by Wim Van Sebroeck
parent f7be3328b6
commit fe851ebade
1 changed files with 7 additions and 1 deletions
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8
drivers/char/watchdog/w83697hf_wdt.c
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@ -76,6 +76,12 @@ w83697hf_unlock(void)
outb_p(0x87, W83697HF_EFER); /* Again according to manual */
}
static inline void
w83697hf_lock(void)
{
outb_p(0xAA, W83697HF_EFER); /* Leave extended function mode */
}
static void
w83697hf_select_wd_register(void)
{
@ -93,7 +99,7 @@ w83697hf_select_wd_register(void)
static void
w83697hf_unselect_wd_register(void)
{
outb_p(0xAA, W83697HF_EFER); /* Leave extended function mode */
w83697hf_lock();
}
static void