[PATCH v3 1/6] i2c: s3c2410: Handle i2c sys_cfg register in i2c driver

[Wolfram Sang]

On Sat, May 10, 2014 at 04:20:14PM +0900, Pankaj Dubey wrote:
> Let's handle i2c interrupt re-configuration in i2c driver. This will
> help us in removing some soc specific checks from machine files.
> Since only Exynos5250, and Exynos5420 need to do this, added syscon
> based phandle to i2c device nodes of respective SoC DT files.
> Also handle saving and restoring of SYS_I2C_CFG register during
> suspend and resume of i2c driver. This will help in removing soc
> specific check from mach-exynos/pm.c.
> 
> CC: Rob Herring <robh+dt at kernel.org>
> CC: Randy Dunlap <rdunlap at infradead.org>
> CC: Wolfram Sang <wsa at the-dreams.de>
> CC: Russell King <linux at arm.linux.org.uk>
> CC: devicetree at vger.kernel.org
> CC: linux-doc at vger.kernel.org
> CC: linux-i2c at vger.kernel.org
> Signed-off-by: Pankaj Dubey <pankaj.dubey at samsung.com>

Shall this go via i2c-tree? Looks to me like it should go with the rest
of the series? Patch is mostly okay (only reviewed the code, not the
bindings), one nit:

> +	regmap_update_bits(i2c->sysreg, EXYNOS5_SYS_I2C_CFG, BIT(id), val);

Hardcode the '0' and drop using 'val'?

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