[PATCH 2/5] video: sunxi: dw-hdmi: Probe driver by compatible
Andre Przywara
andre.przywara at arm.com
Sat Dec 3 18:14:26 CET 2022
On Mon, 28 Nov 2022 01:02:25 -0600
Samuel Holland <samuel at sholland.org> wrote:
> 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>
Reviewed-by: Andre Przywara <andre.przywara at arm.com>
Cheers,
Andre
> ---
>
> 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,
> };
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