[PATCH] misc: atsha204a: Add support for atsha204 chip
Stefan Roese
sr at denx.de
Tue Apr 5 15:14:52 CEST 2022
On 4/5/22 14:49, Pali Rohár wrote:
> atsha204 chip is predecessor of atsha204a chip. Current U-Boot driver
> atsha204a-i2c.c can use both atsha204 and atsha204a chips because it does
> not call specific functions to just one of these chips.
>
> So just add compatible string for atsha204.
>
> Signed-off-by: Pali Rohár <pali at kernel.org>
> ---
> drivers/misc/atsha204a-i2c.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/misc/atsha204a-i2c.c b/drivers/misc/atsha204a-i2c.c
> index 63fe541dade3..8b0055f99893 100644
> --- a/drivers/misc/atsha204a-i2c.c
> +++ b/drivers/misc/atsha204a-i2c.c
> @@ -399,6 +399,7 @@ static int atsha204a_of_to_plat(struct udevice *dev)
> }
>
> static const struct udevice_id atsha204a_ids[] = {
> + { .compatible = "atmel,atsha204" },
> { .compatible = "atmel,atsha204a" },
> { }
> };
Why do we need this new compatible here in the driver? A quick grep
doesn't show this in any of the dts files, not in U-Boot and not in the
Kernel.
Just checking...
Thanks,
Stefan
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