| Message ID | 20220220201909.445468-6-luca@z3ntu.xyz (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | Initial MSM8953 & Fairphone 3 support | expand |
Hi all, any feedback on this patch? It's needed for msm8953 to boot properly. Regards Luca On Sonntag, 20. Februar 2022 21:18:58 CET Luca Weiss wrote: > 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@z3ntu.xyz> > --- > 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)
On Montag, 14. März 2022 20:08:20 CET Luca Weiss wrote: > Hi all, > > any feedback on this patch? It's needed for msm8953 to boot properly. I was informed that the patch has already been applied and is now also present in linux-next, so please disregard my last email. https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/? id=a8f8cc6b39b7ee0dbaccbebd1268c9d3458ebf13 Regards Luca > > Regards > Luca > > On Sonntag, 20. Februar 2022 21:18:58 CET Luca Weiss wrote: > > 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@z3ntu.xyz> > > --- > > 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)
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)
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@z3ntu.xyz> --- 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(-)