In linux rtc_time struct, tm_mon range is 0~11, while in RTC HW REG,
month range is 1~12. This patch adjusts difference of them.
Signed-off-by: Emil Bartczak <emilb...@gmail.com>
---
drivers/rtc/rtc-mcp795.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/rtc/rtc-mcp795.c b/drivers/rtc/rtc-mcp795.c
index 5fbdb4c..4618f4f 100644
--- a/drivers/rtc/rtc-mcp795.c
+++ b/drivers/rtc/rtc-mcp795.c
@@ -110,7 +110,7 @@ static int mcp795_set_time(struct device *dev, struct
rtc_time *tim)
data[1] = (data[1] & 0x80) | bin2bcd(tim->tm_min);
data[2] = bin2bcd(tim->tm_hour);
data[4] = bin2bcd(tim->tm_mday);
- data[5] = (data[5] & MCP795_LP_BIT) | bin2bcd(tim->tm_mon);
+ data[5] = (data[5] & MCP795_LP_BIT) | bin2bcd(tim->tm_mon + 1);
if (tim->tm_year > 100)
tim->tm_year -= 100;
@@ -143,7 +143,7 @@ static int mcp795_read_time(struct device *dev, struct
rtc_time *tim)
tim->tm_min = bcd2bin(data[1] & 0x7F);
tim->tm_hour = bcd2bin(data[2] & 0x3F);
tim->tm_mday = bcd2bin(data[4] & 0x3F);
- tim->tm_mon = bcd2bin(data[5] & 0x1F);
+ tim->tm_mon = bcd2bin(data[5] & 0x1F) - 1;
tim->tm_year = bcd2bin(data[6]) + 100; /* Assume we are in 20xx */
dev_dbg(dev, "Read from mcp795: %04d-%02d-%02d %02d:%02d:%02d\n",
--
2.7.4
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