i2c: qcom-geni: Add shutdown callback for i2c
If the hardware is still accessing memory after SMMU translation is disabled (as part of smmu shutdown callback), then the IOVAs (I/O virtual address) which it was using will go on the bus as the physical addresses which will result in unknown crashes like NoC/interconnect errors. So, implement shutdown callback for i2c driver to suspend the bus during system "reboot" or "shutdown". Fixes: 37692de5 ("i2c: i2c-qcom-geni: Add bus driver for the Qualcomm GENI I2C controller") Signed-off-by:Roja Rani Yarubandi <rojay@codeaurora.org> Reviewed-by:
Stephen Boyd <swboyd@chromium.org> Signed-off-by:
Wolfram Sang <wsa@kernel.org>
parent
de2646f3