bus: mhi: host: Skip MHI reset if device is in RDDM

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In RDDM EE, device can not process MHI reset issued by host. In case of MHI
power off, host is issuing MHI reset and polls for it to get cleared until
it times out. Since this timeout can not be avoided in case of RDDM, skip
the MHI reset in this scenarios.

Cc: <stable@vger.kernel.org>
Fixes: a6e2e3522f ("bus: mhi: core: Add support for PM state transitions")
Signed-off-by: Qiang Yu <quic_qianyu@quicinc.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://lore.kernel.org/r/1684390959-17836-1-git-send-email-quic_qianyu@quicinc.com
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

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Qiang Yu 2023-05-18 14:22:39 +08:00 • committed by Manivannan Sadhasivam

parent 06c2afb862

commit cabce92dd8

1 changed files with 5 additions and 0 deletions

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drivers/bus/mhi/host/pm.c

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