[PATCH v5 4/4] remoteproc: qcom: Introduce panic handler for PAS and ADSP

From: Bjorn Andersson
Date: Tue Mar 24 2020 - 01:29:22 EST


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.

Reviewed-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
---

Changes since v4:
- Picked up Mathieu's r-b

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 2b01f2282062..24a3db961d5e 100644
--- a/drivers/remoteproc/qcom_q6v5_adsp.c
+++ b/drivers/remoteproc/qcom_q6v5_adsp.c
@@ -282,12 +282,20 @@ static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t 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 a41860d2243a..7a63efb85405 100644
--- a/drivers/remoteproc/qcom_q6v5_pas.c
+++ b/drivers/remoteproc/qcom_q6v5_pas.c
@@ -234,12 +234,20 @@ static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t 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