提交 0e45adb8 编写于 作者: O Oliver Schuster 提交者: Linus Torvalds

[WATCHDOG] Fix it8712f_wdt.c wrong byte order accessing WDT_TIMEOUT

This patch corrects an error in the driver it8712f_wdt.  You cannot set
the 16-bit WDT_TIMEOUT access as a 16-bit outw, because the byte
ordering will be wrong.  So just do the high 8 bits as a separate
access.
Signed-off-by: NOliver Schuster <olivers137@aol.com>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 d5f1a21c
......@@ -111,15 +111,6 @@ superio_inw(int reg)
return val;
}
static void
superio_outw(int val, int reg)
{
outb(reg++, REG);
outb((val >> 8) & 0xff, VAL);
outb(reg, REG);
outb(val & 0xff, VAL);
}
static inline void
superio_select(int ldn)
{
......@@ -170,9 +161,8 @@ it8712f_wdt_update_margin(void)
superio_outb(config, WDT_CONFIG);
if (revision >= 0x08)
superio_outw(units, WDT_TIMEOUT);
else
superio_outb(units, WDT_TIMEOUT);
superio_outb(units >> 8, WDT_TIMEOUT + 1);
superio_outb(units, WDT_TIMEOUT);
}
static int
......
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