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Commit 051fe54e authored by Taekgyun Ko's avatar Taekgyun Ko Committed by Kukjin Kim
Browse files

rtc: rtc-s3c: Add BCD register initialization codes 



RTC needs to be initialized when BCD registers have invalid value.

Signed-off-by: default avatarTaekgyun Ko <taeggyun.ko@samsung.com>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Acked-by: default avatarAlessandro Zummo <a.zummo@towertech.it>
parent 2f3478f6

drivers/rtc/rtc-s3c.c

+10 −0
Original line number Diff line number Diff line
@@ -458,6 +458,7 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev) 
{

	struct rtc_device *rtc;

	struct resource *res;

	unsigned int tmp, i;

	int ret;



	pr_debug("%s: probe=%p\n", __func__, pdev);
@@ -536,6 +537,15 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev) 


	s3c_rtc_cpu_type = platform_get_device_id(pdev)->driver_data;



	/* Check RTC Time */



	for (i = S3C2410_RTCSEC; i <= S3C2410_RTCYEAR; i += 0x4) {

		tmp = readb(s3c_rtc_base + i);



		if ((tmp & 0xf) > 0x9 || ((tmp >> 4) & 0xf) > 0x9)

			writeb(0, s3c_rtc_base + i);

	}



	if (s3c_rtc_cpu_type == TYPE_S3C64XX)

		rtc->max_user_freq = 32768;

	else