From d643a49ae16c755b3dc2ef897438b7d9c6dd488b Mon Sep 17 00:00:00 2001
From: Andreas Werner <andreas.werner@men.de>
Date: Thu, 23 Jan 2014 15:55:20 -0800
Subject: [PATCH] drivers/rtc/rtc-rx8581.c: add SMBus-only adapters support

Add support for SMBus-only adapters (e.g.  i2c-piix4).  The driver has
implemented only support for I2C adapters which implement the
I2C_FUNC_SMBUS_I2C_BLOCK functionality before.

With this patch it is possible to load and use the RTC driver with I2C and
SMBUS adapters like the rtc-ds1307 does.

Tested on AMD G Series Platform (i2c-piix4 adapter driver).

Signed-off-by: Andreas Werner <andreas.werner@men.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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