On msm8953 the channel seems to be already opened when booting Linux but we still need to open it for communication with regulators etc. Signed-off-by: Luca Weiss <luca@xxxxxxxxx> --- Changes in v2: - rework original patch, don't drop condition completely but allow force opening rpm_requests channel drivers/rpmsg/qcom_smd.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c index 540e027f08c4..887e21ca51f2 100644 --- a/drivers/rpmsg/qcom_smd.c +++ b/drivers/rpmsg/qcom_smd.c @@ -1288,9 +1288,14 @@ static void qcom_channel_state_worker(struct work_struct *work) if (channel->state != SMD_CHANNEL_CLOSED) continue; + /* + * Always open rpm_requests, even when already opened which is + * required on some SoCs like msm8953. + */ remote_state = GET_RX_CHANNEL_INFO(channel, state); if (remote_state != SMD_CHANNEL_OPENING && - remote_state != SMD_CHANNEL_OPENED) + remote_state != SMD_CHANNEL_OPENED && + strcmp(channel->name, "rpm_requests")) continue; if (channel->registered) -- 2.35.1
