소스 검색

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>
Denis Turischev 15 년 전
부모
커밋
fcf1dd7e68
1개의 변경된 파일2개의 추가작업 그리고 2개의 파일을 삭제
  1. 2 2
      drivers/watchdog/sbc_fitpc2_wdt.c

+ 2 - 2
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)