From: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Date: Fri, 12 Jun 2015 12:41:16 +0000 (+0200)
Subject: i2c: use parent adapter quirks in mux
X-Git-Tag: v4.1.4~220
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a6edb0fca0fa693468a340a8200efdfa7e9a4f9b;p=platform%2Fkernel%2Flinux-exynos.git

i2c: use parent adapter quirks in mux

commit dc362d50ba94eaf2b1f11eecd81eb1d040d2d6e6 upstream.

Inherit parent adapter quirks in MUX in case the devices on the multiplexed
buses are interested in the adapter limitations.

Signed-off-by: Łukasz Gemborowski <lukasz.gemborowski@nokia.com>
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Fixes: b7f625840267b1 ("i2c: add quirk checks to core")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c
index 98dd5d4..2ba7c0f 100644
--- a/drivers/i2c/i2c-mux.c
+++ b/drivers/i2c/i2c-mux.c
@@ -144,6 +144,7 @@ struct i2c_adapter *i2c_add_mux_adapter(struct i2c_adapter *parent,
 	priv->adap.dev.parent = &parent->dev;
 	priv->adap.retries = parent->retries;
 	priv->adap.timeout = parent->timeout;
+	priv->adap.quirks = parent->quirks;
 
 	/* Sanity check on class */
 	if (i2c_mux_parent_classes(parent) & class)