Re: [PATCH v4 2/2] drm: omap: Enable DT support for DMM

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On Friday 01 November 2013 06:10 AM, Mark Rutland wrote:
On Tue, Oct 15, 2013 at 08:04:20AM +0100, Archit Taneja wrote:
Enable use of DT for DMM/Tiler.

Originally worked on by Andy Gross <andygro@xxxxxxxxx>

Cc: Andy Gross <andygro@xxxxxxxxx>
Cc: DRI Development <dri-devel@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Archit Taneja <archit@xxxxxx>
---
  drivers/gpu/drm/omapdrm/omap_dmm_tiler.c | 11 +++++++++++
  1 file changed, 11 insertions(+)

diff --git a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
index acf6678..59f17de 100644
--- a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
+++ b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
@@ -968,12 +968,23 @@ static const struct dev_pm_ops omap_dmm_pm_ops = {
  };
  #endif

+#if defined(CONFIG_OF)
+static const struct of_device_id dmm_of_match[] = {
+	{ .compatible = "ti,omap4-dmm", },
+	{ .compatible = "ti,omap5-dmm", },
+	{},
+};
+#else
+#define dmm_of_match NULL
+#endif
+
  struct platform_driver omap_dmm_driver = {
  	.probe = omap_dmm_probe,
  	.remove = omap_dmm_remove,
  	.driver = {
  		.owner = THIS_MODULE,
  		.name = DMM_DRIVER_NAME,
+		.of_match_table = dmm_of_match,

If you use of_match_ptr(dmm_of_match) here you don't need the #else case above.

Thanks for the tip. I'll make this update.

Archit

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