Messages in this thread | | | Date | Sat, 10 Oct 2020 13:09:37 +0200 | From | Wolfram Sang <> | Subject | Re: [PATCH v6 3/3] i2c: imx: Don't generate STOP condition if arbitration has been lost |
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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@arri.de> > Tested (not extensively) on Vybrid VF500 (Toradex VF50): > Tested-by: Krzysztof Kozlowski <krzk@kernel.org> > Acked-by: Oleksij Rempel <o.rempel@pengutronix.de> > Cc: stable@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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