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Message-Id: <20210312002441.3273183-1-bjorn.andersson@linaro.org>
Date: Thu, 11 Mar 2021 16:24:41 -0800
From: Bjorn Andersson <bjorn.andersson@...aro.org>
To: Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Ohad Ben-Cohen <ohad@...ery.com>,
Mathieu Poirier <mathieu.poirier@...aro.org>,
Rob Herring <robh+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2] remoteproc: qcom: wcnss: Allow specifying firmware-name
Introduce a firmware-name property, in order to be able to support
device/platform specific firmware for the wireless connectivity
subsystem; in line with other Qualcomm remoteproc drivers.
Acked-by: Mathieu Poirier <mathieu.poirier@...aro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
Changes since v1:
- Rebased patch
- Added default filename to the definition
.../devicetree/bindings/remoteproc/qcom,wcnss-pil.txt | 6 ++++++
drivers/remoteproc/qcom_wcnss.c | 8 +++++++-
2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.txt b/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.txt
index da09c0d79ac0..a83080b8905c 100644
--- a/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.txt
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.txt
@@ -34,6 +34,12 @@ on the Qualcomm WCNSS core.
Definition: should be "wdog", "fatal", optionally followed by "ready",
"handover", "stop-ack"
+- firmware-name:
+ Usage: optional
+ Value type: <string>
+ Definition: must list the relative firmware image path for the
+ WCNSS core. Defaults to "wcnss.mdt".
+
- vddmx-supply: (deprecated for qcom,pronto-v1/2-pil)
- vddcx-supply: (deprecated for qcom,pronto-v1/2-pil)
- vddpx-supply:
diff --git a/drivers/remoteproc/qcom_wcnss.c b/drivers/remoteproc/qcom_wcnss.c
index 2a6a23cb14ca..e8007cc01bfa 100644
--- a/drivers/remoteproc/qcom_wcnss.c
+++ b/drivers/remoteproc/qcom_wcnss.c
@@ -530,6 +530,7 @@ static int wcnss_alloc_memory_region(struct qcom_wcnss *wcnss)
static int wcnss_probe(struct platform_device *pdev)
{
+ const char *fw_name = WCNSS_FIRMWARE_NAME;
const struct wcnss_data *data;
struct qcom_wcnss *wcnss;
struct resource *res;
@@ -547,8 +548,13 @@ static int wcnss_probe(struct platform_device *pdev)
return -ENXIO;
}
+ ret = of_property_read_string(pdev->dev.of_node, "firmware-name",
+ &fw_name);
+ if (ret < 0 && ret != -EINVAL)
+ return ret;
+
rproc = rproc_alloc(&pdev->dev, pdev->name, &wcnss_ops,
- WCNSS_FIRMWARE_NAME, sizeof(*wcnss));
+ fw_name, sizeof(*wcnss));
if (!rproc) {
dev_err(&pdev->dev, "unable to allocate remoteproc\n");
return -ENOMEM;
--
2.29.2
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