From: Phil Carmody <phil.carmody@partner.samsung.com>
Date: Wed, 26 Jun 2013 07:56:35 +0000 (+0300)
Subject: i2c: reduce parent checking to a NOOP in non-I2C_MUX case
X-Git-Tag: v3.12-rc1~140^2~48
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3923172b3d700486c1ca24df9c4c5405a83e2309;p=pandora-kernel.git

i2c: reduce parent checking to a NOOP in non-I2C_MUX case

In 0826374 - i2c: Multiplexed I2C bus core support
core i2c code increased in size and complexity even when I2C_MUX
wasn't selected.

Turning this check into a constant NULL in the n case lets the
client functions in be simplified too, not needing to include
never-called calls to the mux-specific helpers.

Signed-off-by: Phil Carmody <phil.carmody@partner.samsung.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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