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i2c: mpc: implement erratum A-004447 workaround
[ Upstream commit drivers/i2c/busses/i2c-mpc.c ] The P2040/P2041 has an erratum where the normal i2c recovery mechanism does not work. Implement the alternative recovery mechanism documented in the P2040 Chip Errata Rev Q. Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Signed-off-by: Wolfram Sang <wsa@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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