From: Jean Delvare Date: Mon, 5 Nov 2012 20:54:39 +0000 (+0100) Subject: hwmon: (w83627ehf) Force initial bank selection X-Git-Tag: firefly_0821_release~7541^2~355 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ec1f5bf6b3a9f42284371d41a7c998c05c49abcb;p=firefly-linux-kernel-4.4.55.git hwmon: (w83627ehf) Force initial bank selection 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 Reviewed-by: Guenter Roeck Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c index e51b582bbc58..1198a6e5e8ce 100644 --- a/drivers/hwmon/w83627ehf.c +++ b/drivers/hwmon/w83627ehf.c @@ -1834,6 +1834,7 @@ 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 */