Re: [PATCH] memory: tegra: fix unused-function warning

From: Jon Hunter
Date: Thu Jul 22 2021 - 13:23:06 EST



On 22/07/2021 10:07, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> The tegra186_mc_client_sid_override() is only called from
> an #ifdef block:
>
> drivers/memory/tegra/tegra186.c:74:13: error: 'tegra186_mc_client_sid_override' defined but not used [-Werror=unused-function]
> 74 | static void tegra186_mc_client_sid_override(struct tegra_mc *mc,
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> Add another #ifdef around the called function.
>
> Fixes: 393d66fd2cac ("memory: tegra: Implement SID override programming")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> drivers/memory/tegra/tegra186.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/memory/tegra/tegra186.c b/drivers/memory/tegra/tegra186.c
> index e65eac5764d4..3d153881abc1 100644
> --- a/drivers/memory/tegra/tegra186.c
> +++ b/drivers/memory/tegra/tegra186.c
> @@ -71,6 +71,7 @@ static int tegra186_mc_resume(struct tegra_mc *mc)
> return 0;
> }
>
> +#if IS_ENABLED(CONFIG_IOMMU_API)
> static void tegra186_mc_client_sid_override(struct tegra_mc *mc,
> const struct tegra_mc_client *client,
> unsigned int sid)
> @@ -108,6 +109,7 @@ static void tegra186_mc_client_sid_override(struct tegra_mc *mc,
> writel(sid, mc->regs + client->regs.sid.override);
> }
> }
> +#endif
>
> static int tegra186_mc_probe_device(struct tegra_mc *mc, struct device *dev)
> {
>


Acked-by: Jon Hunter <jonathanh@xxxxxxxxxx>

Thanks for fixing!

Jon

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