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Commit 62a40903 authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Mauro Carvalho Chehab
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[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: default avatarLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent b58faa95

Documentation/devicetree/bindings/media/renesas,vsp1.txt

+2 −1
Original line number Diff line number Diff line
@@ -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

drivers/media/platform/vsp1/vsp1_drv.c

+1 −1
Original line number Diff line number Diff line
@@ -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;