Re: [PATCH v2 3/4] memory: omap-gpmc: check for nand node name instead of just compatibility

From: Rob Herring
Date: Wed Dec 15 2021 - 11:03:27 EST


On Wed, Dec 08, 2021 at 02:46:10PM +0200, Roger Quadros wrote:
> We have added new compatibles for controller so just checking for
> "ti,omap2-nand" compatible is not enough. Check for "nand" node name
> as well.
>
> Signed-off-by: Roger Quadros <rogerq@xxxxxxxxxx>
> ---
> drivers/memory/omap-gpmc.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c
> index 624153048182..9f0062a262db 100644
> --- a/drivers/memory/omap-gpmc.c
> +++ b/drivers/memory/omap-gpmc.c
> @@ -2183,7 +2183,8 @@ static int gpmc_probe_generic_child(struct platform_device *pdev,
> }
> }
>
> - if (of_device_is_compatible(child, "ti,omap2-nand")) {
> + if (of_device_is_compatible(child, "ti,omap2-nand") ||
> + of_node_name_eq(child, "nand")) {

It would be better to stick with compatible strings. You can match
against a match table. This should be 'nand-controller' really if this
binding had a proper split between the controller and nand chips.

Rob