| From | Herton Ronaldo Krzesinski <> | Subject | [PATCH 054/241] hwmon: (w83627ehf) Force initial bank selection | Date | Thu, 13 Dec 2012 11:56:59 -0200 |
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3.5.7.2 -stable review patch. If anyone has any objections, please let me know.
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From: Jean Delvare <khali@linux-fr.org>
commit 3300fb4f88688029fff8dfb9ec0734f6e4cba3e7 upstream.
Don't assume bank 0 is selected at device probe time. This may not be the case. Force bank selection at first register access to guarantee that we read the right registers upon driver loading.
Signed-off-by: Jean Delvare <khali@linux-fr.org> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com> --- drivers/hwmon/w83627ehf.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c index 54922ed..88effda 100644 --- a/drivers/hwmon/w83627ehf.c +++ b/drivers/hwmon/w83627ehf.c @@ -2082,6 +2082,7 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev) mutex_init(&data->lock); mutex_init(&data->update_lock); data->name = w83627ehf_device_names[sio_data->kind]; + data->bank = 0xff; /* Force initial bank selection */ platform_set_drvdata(pdev, data); /* 627EHG and 627EHF have 10 voltage inputs; 627DHG and 667HG have 9 */ -- 1.7.9.5
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