From a1bc5e314581f69d431e8f05677a3b79d8c7cd96 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 8 Nov 2019 17:32:08 +0000 Subject: [PATCH] drm/bridge: thc63lvd1024: Fix regulator_get_optional() misuse The thc63lvd1024 driver requests a supply using regulator_get_optional() but both the name of the supply and the usage pattern suggest that it is being used for the main power for the device and is not at all optional for the device for function, there is no handling at all for absent supplies. Such regulators should use the vanilla regulator_get() interface, it will ensure that even if a supply is not described in the system integration one will be provided in software. Signed-off-by: Mark Brown Reviewed-by: Laurent Pinchart Signed-off-by: Laurent Pinchart --- drivers/gpu/drm/bridge/thc63lvd1024.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/thc63lvd1024.c b/drivers/gpu/drm/bridge/thc63lvd1024.c index 86b06975bfdd4..e21078b2f8b5b 100644 --- a/drivers/gpu/drm/bridge/thc63lvd1024.c +++ b/drivers/gpu/drm/bridge/thc63lvd1024.c @@ -202,7 +202,7 @@ static int thc63_probe(struct platform_device *pdev) thc63->dev = &pdev->dev; platform_set_drvdata(pdev, thc63); - thc63->vcc = devm_regulator_get_optional(thc63->dev, "vcc"); + thc63->vcc = devm_regulator_get(thc63->dev, "vcc"); if (IS_ERR(thc63->vcc)) { if (PTR_ERR(thc63->vcc) == -EPROBE_DEFER) return -EPROBE_DEFER; -- 2.30.2