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| author | Krzysztof Helt <krzysztof.h1@wp.pl> | 2008-09-07 18:12:59 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-09-07 18:12:59 -0700 |
| commit | 3baca76f5653482f4b7fe1fc400b01877f6b2d92 (patch) | |
| tree | 21c40a40ad121eab8f7b6c0061bb71f72354ed00 /arch/sparc64 | |
| parent | 1aa0365f275f7df6bb1e0b6667ed2b54199fe21d (diff) | |
| download | linux-3baca76f5653482f4b7fe1fc400b01877f6b2d92.tar.gz linux-3baca76f5653482f4b7fe1fc400b01877f6b2d92.tar.bz2 linux-3baca76f5653482f4b7fe1fc400b01877f6b2d92.zip | |
sparc64: fix wrong m48t59 RTC year
Correctly calculate offset to the year register for
Mostek RTC.
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64')
| -rw-r--r-- | arch/sparc64/kernel/time.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c index 209e7d28c3a5..226a0042d870 100644 --- a/arch/sparc64/kernel/time.c +++ b/arch/sparc64/kernel/time.c @@ -500,6 +500,7 @@ static struct of_platform_driver bq4802_driver = { static unsigned char mostek_read_byte(struct device *dev, u32 ofs) { struct platform_device *pdev = to_platform_device(dev); + struct m48t59_plat_data *pdata = pdev->dev.platform_data; void __iomem *regs; unsigned char val; @@ -507,7 +508,7 @@ static unsigned char mostek_read_byte(struct device *dev, u32 ofs) val = readb(regs + ofs); /* the year 0 is 1968 */ - if (ofs == M48T59_YEAR) { + if (ofs == pdata->offset + M48T59_YEAR) { val += 0x68; if ((val & 0xf) > 9) val += 6; @@ -518,10 +519,11 @@ static unsigned char mostek_read_byte(struct device *dev, u32 ofs) static void mostek_write_byte(struct device *dev, u32 ofs, u8 val) { struct platform_device *pdev = to_platform_device(dev); + struct m48t59_plat_data *pdata = pdev->dev.platform_data; void __iomem *regs; regs = (void __iomem *) pdev->resource[0].start; - if (ofs == M48T59_YEAR) { + if (ofs == pdata->offset + M48T59_YEAR) { if (val < 0x68) val += 0x32; else |