The patch titled
rtc: add support for Epson RTC-9701JE V4
has been added to the -mm tree. Its filename is
rtc-add-support-for-epson-rtc-9701je-v4.patch
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The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: rtc: add support for Epson RTC-9701JE V4
From: Magnus Damm <[EMAIL PROTECTED]>
Add support for the Epson RTC-9701JE SPI RTC device.
Signed-off-by: Magnus Damm <[EMAIL PROTECTED]>
Acked-by: Alessandro Zummo <[EMAIL PROTECTED]>
Acked-by: David Brownell <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
drivers/rtc/rtc-r9701.c | 37 ++++++++++---------------------------
1 file changed, 10 insertions(+), 27 deletions(-)
diff -puN drivers/rtc/rtc-r9701.c~rtc-add-support-for-epson-rtc-9701je-v4
drivers/rtc/rtc-r9701.c
--- a/drivers/rtc/rtc-r9701.c~rtc-add-support-for-epson-rtc-9701je-v4
+++ a/drivers/rtc/rtc-r9701.c
@@ -1,10 +1,9 @@
-/* drivers/rtc/rtc-r9701.c
- *
+/*
* Driver for Epson RTC-9701JE
*
* Copyright (C) 2008 Magnus Damm
*
- * Based on drivers/rtc/rtc-max6902.c
+ * Based on rtc-max6902.c
*
* Copyright (C) 2006 8D Technologies inc.
* Copyright (C) 2004 Compulab Ltd.
@@ -72,13 +71,12 @@ static int read_regs(struct device *dev,
static int r9701_get_datetime(struct device *dev, struct rtc_time *dt)
{
- struct spi_device *spi = to_spi_device(dev);
unsigned long time;
int ret;
unsigned char buf[] = { RSECCNT, RMINCNT, RHRCNT,
RDAYCNT, RMONCNT, RYRCNT };
- ret = read_regs(&spi->dev, buf, ARRAY_SIZE(buf));
+ ret = read_regs(dev, buf, ARRAY_SIZE(buf));
if (ret)
return ret;
@@ -96,17 +94,7 @@ static int r9701_get_datetime(struct dev
* according to the data sheet. make sure they are valid.
*/
- ret = rtc_valid_tm(dt);
- if (ret)
- return ret;
-
- /* don't bother with yday, wday and isdst.
- * let the rtc core calculate them for us.
- */
-
- rtc_tm_to_time(dt, &time);
- rtc_time_to_tm(time, dt);
- return 0;
+ return rtc_valid_tm(dt);
}
static int r9701_set_datetime(struct device *dev, struct rtc_time *dt)
@@ -118,12 +106,12 @@ static int r9701_set_datetime(struct dev
return -EINVAL;
ret = write_reg(dev, RHRCNT, BIN2BCD(dt->tm_hour));
- ret |= write_reg(dev, RMINCNT, BIN2BCD(dt->tm_min));
- ret |= write_reg(dev, RSECCNT, BIN2BCD(dt->tm_sec));
- ret |= write_reg(dev, RDAYCNT, BIN2BCD(dt->tm_mday));
- ret |= write_reg(dev, RMONCNT, BIN2BCD(dt->tm_mon + 1));
- ret |= write_reg(dev, RYRCNT, BIN2BCD(dt->tm_year - 100));
- ret |= write_reg(dev, RWKCNT, 1 << dt->tm_wday);
+ ret = ret ? ret : write_reg(dev, RMINCNT, BIN2BCD(dt->tm_min));
+ ret = ret ? ret : write_reg(dev, RSECCNT, BIN2BCD(dt->tm_sec));
+ ret = ret ? ret : write_reg(dev, RDAYCNT, BIN2BCD(dt->tm_mday));
+ ret = ret ? ret : write_reg(dev, RMONCNT, BIN2BCD(dt->tm_mon + 1));
+ ret = ret ? ret : write_reg(dev, RYRCNT, BIN2BCD(dt->tm_year - 100));
+ ret = ret ? ret : write_reg(dev, RWKCNT, 1 << dt->tm_wday);
return ret;
}
@@ -146,10 +134,6 @@ static int __devinit r9701_probe(struct
dev_set_drvdata(&spi->dev, rtc);
- spi->mode = SPI_MODE_3;
- spi->bits_per_word = 8;
- spi_setup(spi);
-
tmp = R100CNT;
res = read_regs(&spi->dev, &tmp, 1);
if (res || tmp != 0x20) {
@@ -171,7 +155,6 @@ static int __devexit r9701_remove(struct
static struct spi_driver r9701_driver = {
.driver = {
.name = "rtc-r9701",
- .bus = &spi_bus_type,
.owner = THIS_MODULE,
},
.probe = r9701_probe,
_
Patches currently in -mm which might be from [EMAIL PROTECTED] are
usb-dma-bounce-buffer-support-v3.patch
usb-dma-bounce-buffer-support-v3-checkpatch-fixes.patch
usb-dma-bounce-buffer-support-v3-fix.patch
usb-ohci-sm501-driver-v2.patch
usb-ohci-sm501-driver-v2-fix.patch
spi-superh-spi-using-sci.patch
rtc-add-support-for-epson-rtc-9701je-v2.patch
rtc-add-support-for-epson-rtc-9701je-v4.patch
sm501fb-control-panel-pin-usage-with-platform-data-flags.patch
sm501fb-clear-framebuffer-memory-and-palette.patch
-
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