bus: mhi: ep: Power up/down MHI stack during MHI RESET
During graceful shutdown scenario, host will issue MHI RESET to the endpoint device before initiating shutdown. In that case, it makes sense to completely power down the MHI stack as sooner or later the access to MMIO registers will be prohibited. Also, the stack needs to be powered up in the case of SYS_ERR to recover the device. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Link: https://lore.kernel.org/r/20221228161704.255268-2-manivannan.sadhasivam@linaro.org Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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