[v3,8/8] remoteproc: qcom: Introduce panic handler for PAS and ADSP
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Message ID 20200211005059.1377279-9-bjorn.andersson@linaro.org
State New
Headers show
Series
  • remoteproc: qcom: post mortem debug support
Related show

Commit Message

Bjorn Andersson Feb. 11, 2020, 12:50 a.m. UTC
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>
---

Changes since v2:
- Update return type and pass the return value through

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

Comments

Stephen Boyd Feb. 14, 2020, 2:43 a.m. UTC | #1
Quoting Bjorn Andersson (2020-02-10 16:50:59)
> diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c b/drivers/remoteproc/qcom_q6v5_adsp.c
> index 19f784adf91c..822881534d37 100644
> --- a/drivers/remoteproc/qcom_q6v5_adsp.c
> +++ b/drivers/remoteproc/qcom_q6v5_adsp.c
> @@ -291,12 +291,20 @@ static void *adsp_da_to_va(struct rproc *rproc, u64 da, int len)
>         return adsp->mem_region + offset;
>  }
>  
> +static unsigned int adsp_panic(struct rproc *rproc)
> +{
> +       struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;

We don't need to cast from void. Please drop the cast.

> +
> +       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 d20ce3c62256..ac38624fb14d 100644
> --- a/drivers/remoteproc/qcom_q6v5_pas.c
> +++ b/drivers/remoteproc/qcom_q6v5_pas.c
> @@ -242,12 +242,20 @@ static void *adsp_da_to_va(struct rproc *rproc, u64 da, int len)
>         return adsp->mem_region + offset;
>  }
>  
> +static unsigned int adsp_panic(struct rproc *rproc)
> +{
> +       struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;

Same.

> +
> +       return qcom_q6v5_panic(&adsp->q6v5);
> +}

Patch
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diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c b/drivers/remoteproc/qcom_q6v5_adsp.c
index 19f784adf91c..822881534d37 100644
--- a/drivers/remoteproc/qcom_q6v5_adsp.c
+++ b/drivers/remoteproc/qcom_q6v5_adsp.c
@@ -291,12 +291,20 @@  static void *adsp_da_to_va(struct rproc *rproc, u64 da, int len)
 	return adsp->mem_region + offset;
 }
 
+static unsigned int 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, const char **clk_ids)
diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
index d20ce3c62256..ac38624fb14d 100644
--- a/drivers/remoteproc/qcom_q6v5_pas.c
+++ b/drivers/remoteproc/qcom_q6v5_pas.c
@@ -242,12 +242,20 @@  static void *adsp_da_to_va(struct rproc *rproc, u64 da, int len)
 	return adsp->mem_region + offset;
 }
 
+static unsigned int 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)