Re: [PATCH 4/4] remoteproc: qcom: q6v5-pil: Add PDC restart for modem on SDM845 SoCs

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Hi Philipp,
Thanks for the review!

On 07/31/2018 02:24 PM, Philipp Zabel wrote:
On Fri, 2018-07-27 at 20:58 +0530, Sibi Sankar wrote:
In the presence of a PDC block working with subsystem RSC,
assert/deassert PDC restart in modem start/stop path.

Signed-off-by: Sibi Sankar <sibis@xxxxxxxxxxxxxx>
---
  .../bindings/remoteproc/qcom,q6v5.txt         |  4 +++
  drivers/remoteproc/qcom_q6v5_pil.c            | 27 ++++++++++++++++---
  2 files changed, 27 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt b/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt
index 601dd9f389aa..124fb1dc6fb8 100644
--- a/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt
[...]
@@ -1182,6 +1192,15 @@ static int q6v5_init_reset(struct q6v5 *qproc)
  		return PTR_ERR(qproc->mss_restart);
  	}
+ if (qproc->has_alt_reset) {
+		qproc->pdc_restart = devm_reset_control_get(qproc->dev,
+							    "pdc_restart");

Please use devm_reset_control_get_exclusive() instead.


will replace it in the next re-spin.

+		if (IS_ERR(qproc->pdc_restart)) {
+			dev_err(qproc->dev, "failed to acquire pdc restart\n");
+			return PTR_ERR(qproc->pdc_restart);
+		}
+	}
+
  	return 0;
  }

regards
Philipp


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