diff mbox series

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

Message ID 1623722930-29354-3-git-send-email-sidgup@codeaurora.org (mailing list archive)
State New
Headers show
Series remoteproc: qcom: Minidump improvements | expand

Commit Message

Siddharth Gupta June 15, 2021, 2:08 a.m. UTC
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.

Signed-off-by: Siddharth Gupta <sidgup@codeaurora.org>
---
 drivers/remoteproc/qcom_common.c   | 9 +++++++--
 drivers/remoteproc/qcom_q6v5_pas.c | 1 +
 2 files changed, 8 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/remoteproc/qcom_common.c b/drivers/remoteproc/qcom_common.c
index 4b91e3c..1e754dd 100644
--- a/drivers/remoteproc/qcom_common.c
+++ b/drivers/remoteproc/qcom_common.c
@@ -163,12 +163,17 @@  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;
 	}
 
+	rproc_coredump_cleanup(rproc);
+
 	ret = qcom_add_minidump_segments(rproc, subsystem);
 	if (ret) {
 		dev_err(&rproc->dev, "Failed with error: %d while adding minidump entries\n", ret);
diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
index b921fc2..9f29619 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,