Merge remote-tracking branch 'remoteproc/tracking-qcomlt-remoteproc' into integration-linux-qcomltintegration-linux-qcomlt-20200419-221336-v5.7-rc1-80-g4efa46792a0ba

4 files changed, 27 insertions, 2 deletions

diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.txt b/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.txt
index d420f84ddfb0..00844a5d2ccf 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.
+
 - vddmx-supply:
 - vddcx-supply:
 - vddpx-supply:
diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi b/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
index 06aab44d798c..82e14cf08d8a 100644
--- a/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
@@ -494,6 +494,7 @@
 
 		wcnss@a21b000 {
 			status = "okay";
+			firmware-name = "qcom/msm8916/wcnss.mdt";
 		};
 	};
 
@@ -538,6 +539,11 @@
 	};
 };
 
+&mpss {
+	status = "okay";
+	firmware-name = "qcom/msm8916/mba.mbn", "qcom/msm8916/modem.mdt";
+};
+
 &spmi_bus {
 	pm8916_0: pm8916@0 {
 		pon@800 {
diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi
index a88a15f2352b..a4cc5efc2ed8 100644
--- a/arch/arm64/boot/dts/qcom/msm8916.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi
@@ -1079,7 +1079,7 @@
 		};
 
 
-		hexagon@4080000 {
+		mpss: remoteproc@4080000 {
 			compatible = "qcom,q6v5-pil";
 			reg = <0x04080000 0x100>,
 			      <0x04020000 0x040>;
diff --git a/drivers/remoteproc/qcom_wcnss.c b/drivers/remoteproc/qcom_wcnss.c
index 0c7afd038f0d..71753a8e5ee3 100644
--- a/drivers/remoteproc/qcom_wcnss.c
+++ b/drivers/remoteproc/qcom_wcnss.c
@@ -84,6 +84,7 @@ struct qcom_wcnss {
 
 	struct completion start_done;
 	struct completion stop_done;
+	struct completion iris_assigned;
 
 	phys_addr_t mem_phys;
 	phys_addr_t mem_reloc;
@@ -138,6 +139,7 @@ void qcom_wcnss_assign_iris(struct qcom_wcnss *wcnss,
 
 	wcnss->iris = iris;
 	wcnss->use_48mhz_xo = use_48mhz_xo;
+	complete(&wcnss->iris_assigned);
 
 	mutex_unlock(&wcnss->iris_lock);
 }
@@ -213,6 +215,10 @@ static int wcnss_start(struct rproc *rproc)
 	struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv;
 	int ret;
 
+	/* Grant some time for iris registration */
+	wait_for_completion_timeout(&wcnss->iris_assigned,
+				    msecs_to_jiffies(5000));
+
 	mutex_lock(&wcnss->iris_lock);
 	if (!wcnss->iris) {
 		dev_err(wcnss->dev, "no iris registered\n");
@@ -457,6 +463,7 @@ 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;
@@ -474,8 +481,13 @@ 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;
@@ -488,6 +500,7 @@ static int wcnss_probe(struct platform_device *pdev)
 
 	init_completion(&wcnss->start_done);
 	init_completion(&wcnss->stop_done);
+	init_completion(&wcnss->iris_assigned);
 
 	mutex_init(&wcnss->iris_lock);