[PATCH v9 1/3] drm/v3d: Use devm_reset_control_get_optional_exclusive()

[Maíra Canal]

Simplify optional reset handling by using the function
devm_reset_control_get_optional_exclusive().

Reviewed-by: Melissa Wen <mwen at igalia.com>
Reviewed-by: Philipp Zabel <p.zabel at pengutronix.de>
Reviewed-by: Florian Fainelli <florian.fainelli at broadcom.com>
Signed-off-by: Maíra Canal <mcanal at igalia.com>
---
 drivers/gpu/drm/v3d/v3d_drv.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c
index 4b441afcb602de08bd193d57649121e44ab31f2a..c5e7c778ec7a1a39d81155f7ed2a7ba811b5e3aa 100644
--- a/drivers/gpu/drm/v3d/v3d_drv.c
+++ b/drivers/gpu/drm/v3d/v3d_drv.c
@@ -401,18 +401,17 @@ static int v3d_platform_drm_probe(struct platform_device *pdev)
 
 	v3d_perfmon_init(v3d);
 
-	v3d->reset = devm_reset_control_get_exclusive(dev, NULL);
+	v3d->reset = devm_reset_control_get_optional_exclusive(dev, NULL);
 	if (IS_ERR(v3d->reset)) {
-		ret = PTR_ERR(v3d->reset);
+		ret = dev_err_probe(dev, PTR_ERR(v3d->reset),
+				    "Failed to get reset control\n");
+		goto clk_disable;
+	}
 
-		if (ret == -EPROBE_DEFER)
-			goto clk_disable;
-
-		v3d->reset = NULL;
+	if (!v3d->reset) {
 		ret = map_regs(v3d, &v3d->bridge_regs, "bridge");
 		if (ret) {
-			dev_err(dev,
-				"Failed to get reset control or bridge regs\n");
+			dev_err(dev, "Failed to get bridge registers\n");
 			goto clk_disable;
 		}
 	}

-- 
2.53.0