Re: [PATCH v1 10/19] reset: npcm: using syscon instead of device data

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On 22/05/2022 17:50, Tomer Maimon wrote:
> Using syscon device tree property instead of
> device data to handle the NPCM GCR registers.

https://elixir.bootlin.com/linux/v5.18-rc4/source/Documentation/process/submitting-patches.rst#L586

> 
> Signed-off-by: Tomer Maimon <tmaimon77@xxxxxxxxx>
> ---
>  drivers/reset/reset-npcm.c | 11 +++--------
>  1 file changed, 3 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/reset/reset-npcm.c b/drivers/reset/reset-npcm.c
> index 2ea4d3136e15..0c963b21eddc 100644
> --- a/drivers/reset/reset-npcm.c
> +++ b/drivers/reset/reset-npcm.c
> @@ -138,8 +138,7 @@ static int npcm_reset_xlate(struct reset_controller_dev *rcdev,
>  }
>  
>  static const struct of_device_id npcm_rc_match[] = {
> -	{ .compatible = "nuvoton,npcm750-reset",
> -		.data = (void *)"nuvoton,npcm750-gcr" },
> +	{ .compatible = "nuvoton,npcm750-reset"},
>  	{ }
>  };
>  
> @@ -155,14 +154,10 @@ static int npcm_usb_reset(struct platform_device *pdev, struct npcm_rc_data *rc)
>  	u32 ipsrst1_bits = 0;
>  	u32 ipsrst2_bits = NPCM_IPSRST2_USB_HOST;
>  	u32 ipsrst3_bits = 0;
> -	const char *gcr_dt;
>  
> -	gcr_dt = (const char *)
> -	of_match_device(dev->driver->of_match_table, dev)->data;
> -
> -	gcr_regmap = syscon_regmap_lookup_by_compatible(gcr_dt);
> +	gcr_regmap = syscon_regmap_lookup_by_phandle(dev->of_node, "syscon");

I think this just broke all existing boards...

Best regards,
Krzysztof



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