From: Guenter Roeck <guenter.roeck@ericsson.com>
Date: Sat, 30 Jul 2011 05:19:39 +0000 (-0700)
Subject: hwmon: (pmbus) Always call _pmbus_read_byte in core driver
X-Git-Tag: v3.2-rc1~171^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=da8e48ab483e1f54c1099bed91bfd2c302bc7ddf;p=pandora-kernel.git

hwmon: (pmbus) Always call _pmbus_read_byte in core driver

Always call _pmbus_read_byte() instead of pmbus_read_byte() in PMBus core
driver. With this change, device specific read functions can be implemented for
all registers.

Since the device specific read_byte function is now always called, we need to be
more careful with page validations. Only fail if the passed page number is larger
than 0, since -1 means "current page".

Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
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