[U-Boot] spi: omap3: fix set_wordlen() reading from incorrect address for CHCONF

[Tom Rini]

On Mon, Feb 18, 2019 at 06:04:29PM -0500, David Rivshin wrote:

> From: David Rivshin <DRivshin at allworx.com>
> 
> _omap3_spi_set_wordlen() indexed the regs->channel[] array with the
> old wordlen (instead of the chipselect number) when reading the current
> CHCONF register value. This meant it read from the wrong memory location,
> modified that value, and then wrote it back to the correct CHCONF
> register. The end result is that most slave configuration settings would
> be lost, such as clock divisor, clock/chipselect polarities, etc.
> 
> Fixes: 77b8d04854f4 ("spi: omap3: Convert to driver model")
> Signed-off-by: David Rivshin <drivshin at allworx.com>

Applied to u-boot/master, thanks!

-- 
Tom
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