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| author |   Denis Turischev <denis@compulab.co.il> | 2010-04-22 19:50:03 +0300 |
|---|---|---|
| committer |   Wim Van Sebroeck <wim@iguana.be> | 2010-04-26 18:17:34 +0000 |
| commit | fcf1dd7e68ceb6420478c8d89d35b4745d0b2f42 (patch) | |
| tree | b071ddef19db8c4734f6617236e3034bd731e303 /drivers/watchdog/sbc_fitpc2_wdt.c | |
| parent | Watchdog: sb_wdog.c: Fix sibyte watchdog initialization (diff) | |
| download | linux-dev-fcf1dd7e68ceb6420478c8d89d35b4745d0b2f42.tar.xz linux-dev-fcf1dd7e68ceb6420478c8d89d35b4745d0b2f42.zip | |
watchdog: sbc_fitpc2_wdt: fixed I/O operations order
There are fitpc2 compatible boards that hang with existent i/o
operations order. Solution is to switch between writing to data
and command ports.
Signed-off-by: Denis Turischev <denis@compulab.co.il>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/watchdog/sbc_fitpc2_wdt.c')
| -rw-r--r-- | drivers/watchdog/sbc_fitpc2_wdt.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/watchdog/sbc_fitpc2_wdt.c b/drivers/watchdog/sbc_fitpc2_wdt.c index 8d44c9b6fb5b..2e44dd4e7c1b 100644 --- a/drivers/watchdog/sbc_fitpc2_wdt.c +++ b/drivers/watchdog/sbc_fitpc2_wdt.c @@ -45,10 +45,10 @@ static DEFINE_SPINLOCK(wdt_lock); static void wdt_send_data(unsigned char command, unsigned char data) { - outb(command, COMMAND_PORT); - msleep(100); outb(data, DATA_PORT); msleep(200); + outb(command, COMMAND_PORT); + msleep(100); } static void wdt_enable(void) |