Re: [PATCH 2/2 V2] remoteproc: qcom: Add full coredump fallback mechanism

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Hey Yogesh,
Looks like you missed adding the patch that uses the exported
rproc_cleanup api.


On 5/10/22 4:55 PM, Yogesh Lal wrote:
From: Siddharth Gupta <sidgup@xxxxxxxxxxxxxx>

If a remoteproc's firmware does not support minidump but the driver
adds an ID, the minidump driver does not collect any coredumps when
the remoteproc crashes. This hinders the purpose of coredump
collection. This change adds a fallback mechanism in the event of a
crash.


Reviewed-by: Sibi Sankar <quic_sibis@xxxxxxxxxxx>

Signed-off-by: Siddharth Gupta <sidgup@xxxxxxxxxxxxxx>
Signed-off-by: Yogesh Lal <quic_ylal@xxxxxxxxxxx>
---
  drivers/remoteproc/qcom_common.c   | 7 +++++--
  drivers/remoteproc/qcom_q6v5_pas.c | 1 +
  2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/remoteproc/qcom_common.c b/drivers/remoteproc/qcom_common.c
index 4b91e3c..b3fdc66 100644
--- a/drivers/remoteproc/qcom_common.c
+++ b/drivers/remoteproc/qcom_common.c
@@ -163,8 +163,11 @@ void qcom_minidump(struct rproc *rproc, unsigned int minidump_id)
  	 */
  	if (subsystem->regions_baseptr == 0 ||
  	    le32_to_cpu(subsystem->status) != 1 ||
-	    le32_to_cpu(subsystem->enabled) != MD_SS_ENABLED ||
-	    le32_to_cpu(subsystem->encryption_status) != MD_SS_ENCR_DONE) {
+	    le32_to_cpu(subsystem->enabled) != MD_SS_ENABLED) {
+		return rproc_coredump(rproc);
+	}
+
+	if (le32_to_cpu(subsystem->encryption_status) != MD_SS_ENCR_DONE) {
  		dev_err(&rproc->dev, "Minidump not ready, skipping\n");
  		return;
  	}
diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
index 401b1ec..6e5cbca 100644
--- a/drivers/remoteproc/qcom_q6v5_pas.c
+++ b/drivers/remoteproc/qcom_q6v5_pas.c
@@ -274,6 +274,7 @@ static const struct rproc_ops adsp_minidump_ops = {
  	.start = adsp_start,
  	.stop = adsp_stop,
  	.da_to_va = adsp_da_to_va,
+	.parse_fw = qcom_register_dump_segments,
  	.load = adsp_load,
  	.panic = adsp_panic,
  	.coredump = adsp_minidump,




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