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Looks as though 'name' has now been moved into 'struct sysmod_event'
which is passed in instead. However, the parameter descriptions were
not updated at the same time. Let's do that now.
Fixes the following W=1 kernel build warning(s):
drivers/remoteproc/qcom_sysmon.c:78: warning: Function parameter or member 'event' not described in 'sysmon_send_event'
drivers/remoteproc/qcom_sysmon.c:78: warning: Excess function parameter 'name' description in 'sysmon_send_event'
drivers/remoteproc/qcom_sysmon.c:350: warning: Function parameter or member 'event' not described in 'ssctl_send_event'
drivers/remoteproc/qcom_sysmon.c:350: warning: Excess function parameter 'name' description in 'ssctl_send_event'
Cc: Andy Gross <agross@kernel.org>
Cc: linux-arm-msm@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200715123551.4011154-2-lee.jones@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Clients/services running on a remoteproc that booted up might need to be
aware of the state of already running remoteprocs. When a remoteproc boots
up (fresh or after recovery) it is not aware of the remoteprocs that booted
before it, i.e., the system state is incomplete. So to keep track of it we
send sysmon on behalf of all 'ONLINE' remoteprocs.
Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Siddharth Gupta <sidgup@codeaurora.org>
Link: https://lore.kernel.org/r/1586389003-26675-4-git-send-email-sidgup@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Add notification for other stages of remoteproc boot and shutdown. This
includes adding callback functions for the prepare and unprepare events,
and fleshing out the callback function for start.
Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Siddharth Gupta <sidgup@codeaurora.org>
Link: https://lore.kernel.org/r/1586389003-26675-3-git-send-email-sidgup@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Current implementation of the sysmon driver does not support adding
notifications for other remoteproc events - prepare, start, unprepare.
Clients on the remoteproc side might be interested in knowing when a
remoteproc boots up. This change adds the ability to send the notification
type along with the name. For example, audio DSP is interested in knowing
when modem has crashed so that it can perform cleanup and wait for modem to
boot up before it starts processing data again.
Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Siddharth Gupta <sidgup@codeaurora.org>
Link: https://lore.kernel.org/r/1586389003-26675-2-git-send-email-sidgup@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
After sending a sysmon shutdown request to the SSCTL service on the
subsystem, wait for the service to send shutdown-ack interrupt or
an indication message to signal the completion of graceful shutdown.
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Add shutdown-ack irq handling required for sysmon shutdown for
Q6V5 MSS on SDM845/MSM8996 and for WCSS Q6V5 on QCS404 SoC.
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
[bjorn: Revert back to qcom_add_sysmon_subdev returning a sysmon object]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Remove linux/notifier.h which is included more than once
Acked-by: Souptick Joarder <jrdr.linux@gmail.com>
Signed-off-by: Brajeswar Ghosh <brajeswar.linux@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
In preparation of adding the additional prepare and unprepare operations
make the client responsible for filling out the function pointers of the
rproc_subdev. This makes the arguments to rproc_add_subdev() more
manageable, in particular when some of the functions are left out.
Tested-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
[elder@linaro.org: added comment about assigning function pointers]
Signed-off-by Alex Elder <elder@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The sysmon client communicates either via a dedicated SMD/GLINK channel
or via QMI encoded messages over IPCROUTER with remote processors in
order to perform graceful shutdown and inform about other remote
processors shutting down.
Acked-By: Chris Lew <clew@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
