From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Mon, 6 Jul 2020 18:36:31 +0000 (+0200)
Subject: media: ti-vpe: cal: Read hardware revision earlier during probe
X-Git-Tag: v5.9-rc1~94^2~105
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=05930cf1e5c5d7d526e492cfe0f0bb3116bc29de;p=thirdparty%2Fkernel%2Flinux.git

media: ti-vpe: cal: Read hardware revision earlier during probe

Read the hardware revision and info right after allocating resources, as
there's no need to delay doing so until all initialization is complete.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---

diff --git a/drivers/media/platform/ti-vpe/cal.c b/drivers/media/platform/ti-vpe/cal.c
index 340cbf385d42c..fca591a94aca9 100644
--- a/drivers/media/platform/ti-vpe/cal.c
+++ b/drivers/media/platform/ti-vpe/cal.c
@@ -2408,6 +2408,15 @@ static int cal_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
+	/* Read the revision and hardware info to verify hardware access. */
+	pm_runtime_enable(&pdev->dev);
+	ret = pm_runtime_get_sync(&pdev->dev);
+	if (ret)
+		goto error_pm_runtime;
+
+	cal_get_hwinfo(cal);
+	pm_runtime_put_sync(&pdev->dev);
+
 	/* Create CAMERARX PHYs. */
 	for (i = 0; i < cal->data->num_csi2_phy; ++i) {
 		cal->phy[i] = cal_camerarx_create(cal, i);
@@ -2445,25 +2454,13 @@ static int cal_probe(struct platform_device *pdev)
 		}
 	}
 
-	/* Read the revision and hardware info to verify hardware access. */
-	pm_runtime_enable(&pdev->dev);
-	ret = pm_runtime_get_sync(&pdev->dev);
-	if (ret)
-		goto error_pm_runtime;
-
-	cal_get_hwinfo(cal);
-	pm_runtime_put_sync(&pdev->dev);
-
 	/* Register the media device. */
 	ret = cal_media_register(cal);
 	if (ret)
-		goto error_pm_runtime;
+		goto error_context;
 
 	return 0;
 
-error_pm_runtime:
-	pm_runtime_disable(&pdev->dev);
-
 error_context:
 	for (i = 0; i < ARRAY_SIZE(cal->ctx); i++) {
 		ctx = cal->ctx[i];
@@ -2477,6 +2474,9 @@ error_camerarx:
 	for (i = 0; i < ARRAY_SIZE(cal->phy); i++)
 		cal_camerarx_destroy(cal->phy[i]);
 
+error_pm_runtime:
+	pm_runtime_disable(&pdev->dev);
+
 	return ret;
 }