[PATCH v2 3/3] mmc: Only retrieve cd pin when GPIO is enabled

[Simon Glass]

Hi Harm,

On Fri, 6 Nov 2020 at 05:20, Harm Berntsen <harm.berntsen at nedap.com> wrote:
>
> The driver only needs to retrieve the pin for the ACPI info. The driver
> itself works without depending on GPIO.
>
> Signed-off-by: Harm Berntsen <harm.berntsen at nedap.com>
> CC: Simon Glass <sjg at chromium.org>
> ---
> Changes for v2:
> - Changed ifdef to if (CONFIG_IS_ENABLED(DM_GPIO))
>
>  drivers/mmc/pci_mmc.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mmc/pci_mmc.c b/drivers/mmc/pci_mmc.c
> index 0c45e1b893..bd229693b0 100644
> --- a/drivers/mmc/pci_mmc.c
> +++ b/drivers/mmc/pci_mmc.c
> @@ -52,9 +52,11 @@ static int pci_mmc_probe(struct udevice *dev)
>
>  static int pci_mmc_ofdata_to_platdata(struct udevice *dev)
>  {
> -       struct pci_mmc_priv *priv = dev_get_priv(dev);
> +       if (CONFIG_IS_ENABLED(DM_GPIO)) {
> +               struct pci_mmc_priv *priv = dev_get_priv(dev);
>
> -       gpio_request_by_name(dev, "cd-gpios", 0, &priv->cd_gpio, GPIOD_IS_IN);
> +               gpio_request_by_name(dev, "cd-gpios", 0, &priv->cd_gpio, GPIOD_IS_IN);
> +       }

This should work OK since priv is cleared to zeroes on init

Reviewed-by: Simon Glass <sjg at chromium.org>

>
>         return 0;
>  }

> --
> 2.29.2
>