linux-kernel - [PATCH v3 023/105] drm/vc4: crtc: Switch to of_device_get_match

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Date:   Wed, 27 May 2020 17:47:53 +0200
From:   Maxime Ripard <maxime@...no.tech>
To:     Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Eric Anholt <eric@...olt.net>
Cc:     dri-devel@...ts.freedesktop.org,
        linux-rpi-kernel@...ts.infradead.org,
        bcm-kernel-feedback-list@...adcom.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        Tim Gover <tim.gover@...pberrypi.com>,
        Phil Elwell <phil@...pberrypi.com>,
        Maxime Ripard <maxime@...no.tech>
Subject: [PATCH v3 023/105] drm/vc4: crtc: Switch to of_device_get_match_data

of_device_get_match_data allow to simplify a bit the retrieval of the data
associated to the pixelvalve compatible. Let's use it.

Signed-off-by: Maxime Ripard <maxime@...no.tech>
---
 drivers/gpu/drm/vc4/vc4_crtc.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
index 9fdb0ccc4a28..b668bb8d060c 100644
--- a/drivers/gpu/drm/vc4/vc4_crtc.c
+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
@@ -1142,10 +1142,10 @@ static int vc4_crtc_bind(struct device *dev, struct device *master, void *data)
 {
 	struct platform_device *pdev = to_platform_device(dev);
 	struct drm_device *drm = dev_get_drvdata(master);
+	const struct vc4_crtc_data *pv_data;
 	struct vc4_crtc *vc4_crtc;
 	struct drm_crtc *crtc;
 	struct drm_plane *primary_plane, *destroy_plane, *temp;
-	const struct of_device_id *match;
 	int ret, i;
 
 	vc4_crtc = devm_kzalloc(dev, sizeof(*vc4_crtc), GFP_KERNEL);
@@ -1153,10 +1153,10 @@ static int vc4_crtc_bind(struct device *dev, struct device *master, void *data)
 		return -ENOMEM;
 	crtc = &vc4_crtc->base;
 
-	match = of_match_device(vc4_crtc_dt_match, dev);
-	if (!match)
+	pv_data = of_device_get_match_data(dev);
+	if (!pv_data)
 		return -ENODEV;
-	vc4_crtc->data = match->data;
+	vc4_crtc->data = pv_data;
 	vc4_crtc->pdev = pdev;
 
 	vc4_crtc->regs = vc4_ioremap_regs(pdev, 0);
@@ -1211,7 +1211,7 @@ static int vc4_crtc_bind(struct device *dev, struct device *master, void *data)
 
 	platform_set_drvdata(pdev, vc4_crtc);
 
-	vc4_debugfs_add_regset32(drm, vc4_crtc->data->debugfs_name,
+	vc4_debugfs_add_regset32(drm, pv_data->debugfs_name,
 				 &vc4_crtc->regset);
 
 	return 0;
-- 
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