[PATCH v4 4/4] remoteproc: qcom: Introduce panic handler for PAS and ADSP

Bjorn Andersson
2020-03-10T06:40:03Z

Make the PAS and ADSP/CDSP remoteproc drivers implement the panic
handler that will invoke a stop to prepare the remoteprocs for post
mortem debugging.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
---

Change since v3:
- Change return type to unsigned long

drivers/remoteproc/qcom_q6v5_adsp.c | 8 ++++++++
drivers/remoteproc/qcom_q6v5_pas.c | 8 ++++++++
2 files changed, 16 insertions(+)

diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c b/drivers/remoteproc/qcom_q6v5_adsp.c
index d5cdff942535..8f1044e8ea3b 100644
--- a/drivers/remoteproc/qcom_q6v5_adsp.c
+++ b/drivers/remoteproc/qcom_q6v5_adsp.c
@@ -292,12 +292,20 @@ static void *adsp_da_to_va(struct rproc *rproc, u64 da, int len)
return adsp->mem_region + offset;
}

+static unsigned long adsp_panic(struct rproc *rproc)
+{
+ struct qcom_adsp *adsp = rproc->priv;
+
+ return qcom_q6v5_panic(&adsp->q6v5);
+}
+
static const struct rproc_ops adsp_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,
};

static int adsp_init_clock(struct qcom_adsp *adsp, const char **clk_ids)
diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
index e64c268e6113..678c0ddfce96 100644
--- a/drivers/remoteproc/qcom_q6v5_pas.c
+++ b/drivers/remoteproc/qcom_q6v5_pas.c
@@ -243,12 +243,20 @@ static void *adsp_da_to_va(struct rproc *rproc, u64 da, int len)
return adsp->mem_region + offset;
}

+static unsigned long adsp_panic(struct rproc *rproc)
+{
+ struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
+
+ return qcom_q6v5_panic(&adsp->q6v5);
+}
+
static const struct rproc_ops adsp_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,
};

static int adsp_init_clock(struct qcom_adsp *adsp)
--
2.24.0