提交 04cfbee0 编写于 作者: M Matt Mackall 提交者: Linus Torvalds

[PATCH] RTC: Remove RTC UIP synchronization on SH03

Signed-off-by: NMatt Mackall <mpm@selenic.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Kazumoto Kojima <kkojima@rr.iij4u.or.jp>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 ddcabb4f
......@@ -48,13 +48,9 @@ extern spinlock_t rtc_lock;
unsigned long get_cmos_time(void)
{
unsigned int year, mon, day, hour, min, sec;
int i;
spin_lock(&rtc_lock);
again:
for (i = 0 ; i < 1000000 ; i++) /* may take up to 1 second... */
if (!(ctrl_inb(RTC_CTL) & RTC_BUSY))
break;
do {
sec = (ctrl_inb(RTC_SEC1) & 0xf) + (ctrl_inb(RTC_SEC10) & 0x7) * 10;
min = (ctrl_inb(RTC_MIN1) & 0xf) + (ctrl_inb(RTC_MIN10) & 0xf) * 10;
......
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