The patch titled
rtc-pcf8583: Check for i2c adapter functionality
has been added to the -mm tree. Its filename is
rtc-pcf8583-check-for-i2c-adapter-functionality.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: rtc-pcf8583: Check for i2c adapter functionality
From: Jean Delvare <khali@xxxxxxxxxxxx>
Not all i2c adapters support I2C-level messaging. Check that the adapter
does before probing for a PCF8583 chip, as the driver makes use of
i2c_transfer and i2c_master_send.
Signed-off-by: Jean Delvare <khali@xxxxxxxxxxxx>
Signed-off-by: Alessandro Zummo <a.zummo@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/rtc/rtc-pcf8583.c | 3 +++
1 files changed, 3 insertions(+)
diff -puN drivers/rtc/rtc-pcf8583.c~rtc-pcf8583-check-for-i2c-adapter-functionality drivers/rtc/rtc-pcf8583.c
--- a/drivers/rtc/rtc-pcf8583.c~rtc-pcf8583-check-for-i2c-adapter-functionality
+++ a/drivers/rtc/rtc-pcf8583.c
@@ -332,6 +332,9 @@ static int pcf8583_probe(struct i2c_adap
}
};
+ if (!i2c_check_functionality(adap, I2C_FUNC_I2C))
+ return 0;
+
pcf = kzalloc(sizeof(*pcf), GFP_KERNEL);
if (!pcf)
return -ENOMEM;
_
Patches currently in -mm which might be from khali@xxxxxxxxxxxx are
git-dvb.patch
i2c-i801-documentation-patch-for-intel-tolapai.patch
i2c-i801-smbus-patch-for-intel-tolapai.patch
i2c-i801-smbus-patch-for-intel-tolapai-fix.patch
git-hwmon.patch
applesmc-for-mac-pro-2-x-quad-core.patch
git-ieee1394.patch
hdaps-switch-to-using-input-polldev.patch
applesmc-switch-to-using-input-polldev.patch
ams-switch-to-using-input-polldev.patch
irq-irq-and-pci_ids-patch-for-intel-tolapai.patch
irq-irq-and-pci_ids-patch-for-intel-tolapai-fix.patch
rtc-pcf8583-check-for-i2c-adapter-functionality.patch
i2c-pxa-rename-bit-macro-to-pxa_bit.patch
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