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authorRishabh Bhatnagar <rishabhb@codeaurora.org>2020-06-23 19:23:28 -0700
committerBjorn Andersson <bjorn.andersson@linaro.org>2020-07-08 21:45:17 -0700
commit62495d778439a4e47571293511a785cba754874c (patch)
tree5def48ebf9d91f001083eff61e6f3195b1e8538e /include/linux/remoteproc
parent5abfe5cf0b8358b8ad0da99e4188c2519839d67c (diff)
remoteproc: qcom: Add notification types to SSR
The SSR subdevice only adds callback for the unprepare event. Add callbacks for prepare, start and prepare events. The client driver for a particular remoteproc might be interested in knowing the status of the remoteproc while undergoing SSR, not just when the remoteproc has finished shutting down. Reviewed-by: Alex Elder <elder@linaro.org> Signed-off-by: Siddharth Gupta <sidgup@codeaurora.org> Signed-off-by: Rishabh Bhatnagar <rishabhb@codeaurora.org> Link: https://lore.kernel.org/r/1592965408-16908-3-git-send-email-rishabhb@codeaurora.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'include/linux/remoteproc')
-rw-r--r--include/linux/remoteproc/qcom_rproc.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/remoteproc/qcom_rproc.h b/include/linux/remoteproc/qcom_rproc.h
index 2a1d6d0249d9..647051662174 100644
--- a/include/linux/remoteproc/qcom_rproc.h
+++ b/include/linux/remoteproc/qcom_rproc.h
@@ -5,6 +5,22 @@ struct notifier_block;
#if IS_ENABLED(CONFIG_QCOM_RPROC_COMMON)
+/**
+ * enum qcom_ssr_notify_type - Startup/Shutdown events related to a remoteproc
+ * processor.
+ *
+ * @QCOM_SSR_BEFORE_POWERUP: Remoteproc about to start (prepare stage)
+ * @QCOM_SSR_AFTER_POWERUP: Remoteproc is running (start stage)
+ * @QCOM_SSR_BEFORE_SHUTDOWN: Remoteproc crashed or shutting down (stop stage)
+ * @QCOM_SSR_AFTER_SHUTDOWN: Remoteproc is down (unprepare stage)
+ */
+enum qcom_ssr_notify_type {
+ QCOM_SSR_BEFORE_POWERUP,
+ QCOM_SSR_AFTER_POWERUP,
+ QCOM_SSR_BEFORE_SHUTDOWN,
+ QCOM_SSR_AFTER_SHUTDOWN,
+};
+
struct qcom_ssr_notify_data {
const char *name;
bool crashed;