Re: [PATCH] pwm: axi-pwmgen: Create a dedicated function for getting driver data from a chip

[Uwe Kleine-König]

Hello,

On Mon, Sep 23, 2024 at 02:54:17PM +0200, Uwe Kleine-König wrote:
> Compared to direct calls to pwmchip_get_drvdata() a dedicated function
> has two upsides: A better name and the right type. So the code becomes
> easier to read and the new function is harder to use wrongly.
> 
> Another side effect (which is the secret motivation for this patch, but
> shhh) is that the driver becomes a bit easier to backport to kernel
> versions that don't have devm_pwmchip_alloc() yet.
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxx>
> ---
>  drivers/pwm/pwm-axi-pwmgen.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/pwm/pwm-axi-pwmgen.c b/drivers/pwm/pwm-axi-pwmgen.c
> index b5477659ba18..e5162f3e511e 100644
> --- a/drivers/pwm/pwm-axi-pwmgen.c
> +++ b/drivers/pwm/pwm-axi-pwmgen.c
> @@ -53,10 +53,15 @@ static const struct regmap_config axi_pwmgen_regmap_config = {
>  	.max_register = 0xFC,
>  };
>  
> +static struct axi_pwmgen_ddata axi_pwmgen_ddata_from_chip(struct pwm_chip *chip)

Applied with an extra * to
https://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux.git pwm/for-nexxt
. It will migrate to pwm/for-next once the merge window closes.

Best regards
Uwe

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