The patch titled
RTC v3020 fixes
has been removed from the -mm tree. Its filename was
rtc-v3020-fixes.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: RTC v3020 fixes
From: Mike Rapoport <mike@xxxxxxxxxxxxxx>
Fix off-by-one in month calculations
Add delay for bus accesses to satisfy Tw > 500ns
Signed-off-by: Mike Rapoport <mike@xxxxxxxxxxxxxx>
Acked-by: Raphael Assenat <raph@xxxxxx>
Cc: Alessandro Zummo <a.zummo@xxxxxxxxxxxx>
Cc: David Brownell <david-b@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/rtc/rtc-v3020.c | 9 +++++++--
1 files changed, 7 insertions(+), 2 deletions(-)
diff -puN drivers/rtc/rtc-v3020.c~rtc-v3020-fixes drivers/rtc/rtc-v3020.c
--- a/drivers/rtc/rtc-v3020.c~rtc-v3020-fixes
+++ a/drivers/rtc/rtc-v3020.c
@@ -26,6 +26,7 @@
#include <linux/types.h>
#include <linux/bcd.h>
#include <linux/rtc-v3020.h>
+#include <linux/delay.h>
#include <asm/io.h>
@@ -47,6 +48,7 @@ static void v3020_set_reg(struct v3020 *
for (i = 0; i < 4; i++) {
writel((tmp & 1) << chip->leftshift, chip->ioaddress);
tmp >>= 1;
+ udelay(1);
}
/* Commands dont have data */
@@ -54,6 +56,7 @@ static void v3020_set_reg(struct v3020 *
for (i = 0; i < 8; i++) {
writel((data & 1) << chip->leftshift, chip->ioaddress);
data >>= 1;
+ udelay(1);
}
}
}
@@ -66,12 +69,14 @@ static unsigned char v3020_get_reg(struc
for (i = 0; i < 4; i++) {
writel((address & 1) << chip->leftshift, chip->ioaddress);
address >>= 1;
+ udelay(1);
}
for (i = 0; i < 8; i++) {
data >>= 1;
if (readl(chip->ioaddress) & (1 << chip->leftshift))
data |= 0x80;
+ udelay(1);
}
return data;
@@ -95,7 +100,7 @@ static int v3020_read_time(struct device
tmp = v3020_get_reg(chip, V3020_MONTH_DAY);
dt->tm_mday = BCD2BIN(tmp);
tmp = v3020_get_reg(chip, V3020_MONTH);
- dt->tm_mon = BCD2BIN(tmp);
+ dt->tm_mon = BCD2BIN(tmp) - 1;
tmp = v3020_get_reg(chip, V3020_WEEK_DAY);
dt->tm_wday = BCD2BIN(tmp);
tmp = v3020_get_reg(chip, V3020_YEAR);
@@ -135,7 +140,7 @@ static int v3020_set_time(struct device
v3020_set_reg(chip, V3020_MINUTES, BIN2BCD(dt->tm_min));
v3020_set_reg(chip, V3020_HOURS, BIN2BCD(dt->tm_hour));
v3020_set_reg(chip, V3020_MONTH_DAY, BIN2BCD(dt->tm_mday));
- v3020_set_reg(chip, V3020_MONTH, BIN2BCD(dt->tm_mon));
+ v3020_set_reg(chip, V3020_MONTH, BIN2BCD(dt->tm_mon + 1));
v3020_set_reg(chip, V3020_WEEK_DAY, BIN2BCD(dt->tm_wday));
v3020_set_reg(chip, V3020_YEAR, BIN2BCD(dt->tm_year % 100));
_
Patches currently in -mm which might be from mike@xxxxxxxxxxxxxx are
origin.patch
make-power-supply-class-available-for-arm-architecture.patch
-
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