Re: [PATCH v6 2/8] i2c: i801: Use GPIO_LOOKUP() helper macro

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On Tue, 24 Mar 2020 14:56:47 +0100, Geert Uytterhoeven wrote:
> i801_add_mux() fills in the GPIO lookup table by manually populating an
> array of gpiod_lookup structures.  Use the existing GPIO_LOOKUP() helper
> macro instead, to relax a dependency on the gpiod_lookup structure's
> member names.
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> Cc: Jean Delvare <jdelvare@xxxxxxxx>
> Cc: linux-i2c@xxxxxxxxxxxxxxx
> ---
> While this patch is a dependency for "[PATCH v6 4/8] gpiolib: Add
> support for GPIO lookup by line name", it can be applied independently.
> But an Acked-by would be nice, too.
> 
> Cover letter and full series at
> https://lore.kernel.org/r/20200324135328.5796-1-geert+renesas@xxxxxxxxx/
> 
> v6:
>   - New.
> ---
>  drivers/i2c/busses/i2c-i801.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
> index ca4f096fef749302..8e64a71bea684cc7 100644
> --- a/drivers/i2c/busses/i2c-i801.c
> +++ b/drivers/i2c/busses/i2c-i801.c
> @@ -1444,9 +1444,9 @@ static int i801_add_mux(struct i801_priv *priv)
>  		return -ENOMEM;
>  	lookup->dev_id = "i2c-mux-gpio";
>  	for (i = 0; i < mux_config->n_gpios; i++) {
> -		lookup->table[i].chip_label = mux_config->gpio_chip;
> -		lookup->table[i].chip_hwnum = mux_config->gpios[i];
> -		lookup->table[i].con_id = "mux";
> +		lookup->table[i] = (struct gpiod_lookup)
> +			GPIO_LOOKUP(mux_config->gpio_chip,
> +				    mux_config->gpios[i], "mux", 0);
>  	}
>  	gpiod_add_lookup_table(lookup);
>  	priv->lookup = lookup;

Reviewed-by: Jean Delvare <jdelvare@xxxxxxx>

-- 
Jean Delvare
SUSE L3 Support



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