Re: [PATCH v2 15/15] mmc: host: sdhci-iproc: Do not define 'struct acpi_device_id' when !CONFIG_ACPI

[Ulf Hansson]

On Tue, 7 Jul 2020 at 08:47, Lee Jones <lee.jones@xxxxxxxxxx> wrote:
>
> Since ACPI_PTR() is used to NULLify the value when !CONFIG_ACPI,
> 'struct sdhci_iproc_acpi_ids' becomes defined but unused.
>
> Fixes the following W=1 kernel build warning:
>
>  mmc/host/sdhci-iproc.c:297:36: warning: âsdhci_iproc_acpi_idsâ defined but not used [-Wunused-const-variable=]
>
> Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
> Cc: Ray Jui <rjui@xxxxxxxxxxxx>
> Cc: Scott Branden <sbranden@xxxxxxxxxxxx>
> Cc: bcm-kernel-feedback-list@xxxxxxxxxxxx
> Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>

Alright, so I have replaced v1 with this v2 on my next branch, thanks!

Kind regards
Uffe

>
> diff --git a/drivers/mmc/host/sdhci-iproc.c b/drivers/mmc/host/sdhci-iproc.c
> index 225603148d7de..e2d8dfe90077e 100644
> --- a/drivers/mmc/host/sdhci-iproc.c
> +++ b/drivers/mmc/host/sdhci-iproc.c
> @@ -294,12 +294,14 @@ static const struct of_device_id sdhci_iproc_of_match[] = {
>  };
>  MODULE_DEVICE_TABLE(of, sdhci_iproc_of_match);
>
> +#ifdef CONFIG_ACPI
>  static const struct acpi_device_id sdhci_iproc_acpi_ids[] = {
>         { .id = "BRCM5871", .driver_data = (kernel_ulong_t)&iproc_cygnus_data },
>         { .id = "BRCM5872", .driver_data = (kernel_ulong_t)&iproc_data },
>         { /* sentinel */ }
>  };
>  MODULE_DEVICE_TABLE(acpi, sdhci_iproc_acpi_ids);
> +#endif
>
>  static int sdhci_iproc_probe(struct platform_device *pdev)
>  {