[PATCH v6 3/3] i2c: imx: Don't generate STOP condition if arbitration has been lost

[Wolfram Sang]

On Fri, Oct 09, 2020 at 01:03:20PM +0200, Christian Eggers wrote:
> If arbitration is lost, the master automatically changes to slave mode.
> I2SR_IBB may or may not be reset by hardware. Raising a STOP condition
> by resetting I2CR_MSTA has no effect and will not clear I2SR_IBB.
> 
> So calling i2c_imx_bus_busy() is not required and would busy-wait until
> timeout.
> 
> Signed-off-by: Christian Eggers <ceggers at arri.de>
> Tested (not extensively) on Vybrid VF500 (Toradex VF50):
> Tested-by: Krzysztof Kozlowski <krzk at kernel.org>
> Acked-by: Oleksij Rempel <o.rempel at pengutronix.de>
> Cc: stable at vger.kernel.org # Requires trivial backporting, simple remove
>                            # the 3rd argument from the calls to
>                            # i2c_imx_bus_busy().

Applied to for-next, thanks!

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