[PATCH 2/5] video: sunxi: dw-hdmi: Probe driver by compatible
Samuel Holland
samuel at sholland.org
Mon Nov 28 08:02:25 CET 2022
From: Jernej Skrabec <jernej.skrabec at gmail.com>
Currently the sunxi dw-hdmi driver is probed unconditionally,
even if there is no such device.
Switch the driver to probing via a compatible string. This brings many
benefits; the driver is only probed when needed, and now it can read the
DT node.
Signed-off-by: Jernej Skrabec <jernej.skrabec at gmail.com>
Signed-off-by: Samuel Holland <samuel at sholland.org>
---
drivers/video/sunxi/sunxi_dw_hdmi.c | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/drivers/video/sunxi/sunxi_dw_hdmi.c b/drivers/video/sunxi/sunxi_dw_hdmi.c
index 19ed80b48a4..e7265af7d8f 100644
--- a/drivers/video/sunxi/sunxi_dw_hdmi.c
+++ b/drivers/video/sunxi/sunxi_dw_hdmi.c
@@ -370,14 +370,16 @@ static const struct dm_display_ops sunxi_dw_hdmi_ops = {
.mode_valid = sunxi_dw_hdmi_mode_valid,
};
-U_BOOT_DRIVER(sunxi_dw_hdmi) = {
- .name = "sunxi_dw_hdmi",
- .id = UCLASS_DISPLAY,
- .ops = &sunxi_dw_hdmi_ops,
- .probe = sunxi_dw_hdmi_probe,
- .priv_auto = sizeof(struct sunxi_dw_hdmi_priv),
+static const struct udevice_id sunxi_dw_hdmi_ids[] = {
+ { .compatible = "allwinner,sun8i-a83t-dw-hdmi" },
+ { }
};
-U_BOOT_DRVINFO(sunxi_dw_hdmi) = {
- .name = "sunxi_dw_hdmi"
+U_BOOT_DRIVER(sunxi_dw_hdmi) = {
+ .name = "sunxi_dw_hdmi",
+ .id = UCLASS_DISPLAY,
+ .of_match = sunxi_dw_hdmi_ids,
+ .probe = sunxi_dw_hdmi_probe,
+ .priv_auto = sizeof(struct sunxi_dw_hdmi_priv),
+ .ops = &sunxi_dw_hdmi_ops,
};
--
2.37.4
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