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Subject[PATCH] RTC v3020 fixes
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Acked-by: Raphael Assenat <raph@8d.com>

diff --git a/drivers/char/emv3020.c b/drivers/char/emv3020.c
index df7f1a4..1d93269 100644
--- a/drivers/char/emv3020.c
+++ b/drivers/char/emv3020.c
@@ -48,12 +48,16 @@ static void emv3020_set_reg(unsigned char address, unsigned char data)
{
int i;

- for ( i = 0; i < 4; i++ )
+ for ( i = 0; i < 4; i++ ) {
writel((address << (16-i)), EMV3020_VA_RTC);
+ udelay(1);
+ }

if ( address < 0xe)
- for ( i = 0; i < 8; i++)
+ for ( i = 0; i < 8; i++) {
writel((data << (16-i)), EMV3020_VA_RTC);
+ udelay(1);
+ }
}

static unsigned char emv3020_get_reg(unsigned char address)
@@ -61,12 +65,16 @@ static unsigned char emv3020_get_reg(unsigned char address)
unsigned int data=0;
int i, tmp;

- for ( i = 0; i < 4; i++ )
+ for ( i = 0; i < 4; i++ ) {
writel((address << (16-i)), EMV3020_VA_RTC);
+ udelay(1);
+ }
+

for ( i = 0; i < 8; i++ ) {
tmp = readl(EMV3020_VA_RTC);
data |= ((tmp & 0x10000) >> (16 - i));
+ udelay(1);
}

return data;
@@ -108,7 +116,7 @@ static int emv3020_rtc_gettime(struct rtc_time *dt)
BCD_TO_BIN(dt->tm_min);
BCD_TO_BIN(dt->tm_hour);
BCD_TO_BIN(dt->tm_mday);
- BCD_TO_BIN(dt->tm_mon);
+ BCD_TO_BIN(dt->tm_mon - 1);
BCD_TO_BIN(dt->tm_wday);
BCD_TO_BIN(dt->tm_year);
dt->tm_year += 100;
@@ -148,7 +156,7 @@ static int emv3020_rtc_settime(struct rtc_time *dt)
emv3020_set_reg(0x03, dt->tm_min);
emv3020_set_reg(0x04, dt->tm_hour);
emv3020_set_reg(0x05, dt->tm_mday);
- emv3020_set_reg(0x06, dt->tm_mon);
+ emv3020_set_reg(0x06, dt->tm_mon + 1);
emv3020_set_reg(0x08, dt->tm_wday);
emv3020_set_reg(0x07, dt->tm_year);

-
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