From mboxrd@z Thu Jan 1 00:00:00 1970 From: sshtylyov@mvista.com (Sergei Shtylyov) Date: Wed, 21 Jul 2010 18:42:20 +0400 Subject: [PATCH 3/3] rtc: rtc-s3c: Add BCD register initialization codes In-Reply-To: <1279702666-13021-4-git-send-email-kgene.kim@samsung.com> References: <1279702666-13021-1-git-send-email-kgene.kim@samsung.com> <1279702666-13021-4-git-send-email-kgene.kim@samsung.com> Message-ID: <4C47074C.703@ru.mvista.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hello. Kukjin Kim wrote: > From: Taekgyun Ko > RTC needs to be initialized when BCD registers have invalid value. > Signed-off-by: Taekgyun Ko > Signed-off-by: Kukjin Kim [...] > diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c > index 2040017..e96e109 100644 > --- a/drivers/rtc/rtc-s3c.c > +++ b/drivers/rtc/rtc-s3c.c > @@ -536,10 +536,20 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev) > > s3c_rtc_cpu_type = platform_get_device_id(pdev)->driver_data; > > - if (s3c_rtc_cpu_type == TYPE_S3C64XX) > + if (s3c_rtc_cpu_type == TYPE_S3C64XX) { > rtc->max_user_freq = 32768; > - else > + > + /* 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)) There is no need to have parens around > operations. WBR, Sergei