From: Laurent Pinchart Date: Tue, 28 Jul 2015 19:13:27 +0000 (-0300) Subject: [media] v4l: vsp1: Support VSP1 instances without any UDS X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=62a409034c62ae2b377fe631957e80262020ef17;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git [media] v4l: vsp1: Support VSP1 instances without any UDS Not all VSP1 instances include a UDS. Make the renesas,#uds DT property optional and accept a number of UDS equal to 0 as valid. Signed-off-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- diff --git a/Documentation/devicetree/bindings/media/renesas,vsp1.txt b/Documentation/devicetree/bindings/media/renesas,vsp1.txt index 87fe08abf36d..674c8c30d046 100644 --- a/Documentation/devicetree/bindings/media/renesas,vsp1.txt +++ b/Documentation/devicetree/bindings/media/renesas,vsp1.txt @@ -13,12 +13,13 @@ Required properties: - clocks: A phandle + clock-specifier pair for the VSP1 functional clock. - renesas,#rpf: Number of Read Pixel Formatter (RPF) modules in the VSP1. - - renesas,#uds: Number of Up Down Scaler (UDS) modules in the VSP1. - renesas,#wpf: Number of Write Pixel Formatter (WPF) modules in the VSP1. Optional properties: + - renesas,#uds: Number of Up Down Scaler (UDS) modules in the VSP1. Defaults + to 0 if not present. - renesas,has-lif: Boolean, indicates that the LCD Interface (LIF) module is available. - renesas,has-lut: Boolean, indicates that the Look Up Table (LUT) module is diff --git a/drivers/media/platform/vsp1/vsp1_drv.c b/drivers/media/platform/vsp1/vsp1_drv.c index 8a7b11153073..773c9f0b0971 100644 --- a/drivers/media/platform/vsp1/vsp1_drv.c +++ b/drivers/media/platform/vsp1/vsp1_drv.c @@ -511,7 +511,7 @@ static int vsp1_parse_dt(struct vsp1_device *vsp1) return -EINVAL; } - if (pdata->uds_count <= 0 || pdata->uds_count > VSP1_MAX_UDS) { + if (pdata->uds_count > VSP1_MAX_UDS) { dev_err(vsp1->dev, "invalid number of UDS (%u)\n", pdata->uds_count); return -EINVAL;