Re: [PATCH] platform/x86: intel_pmc_ipc: Mark ipc_data_readb() as __maybe_unused

From: Andy Shevchenko
Date: Fri May 26 2017 - 05:54:13 EST


On Fri, May 26, 2017 at 1:15 AM, Matthias Kaehlcke <mka@xxxxxxxxxxxx> wrote:
> The function is currently not used, however it is part of the API and
> might be used in the future. Adding the attribute fixes the following
> warning when building with clang:
>
> drivers/platform/x86/intel_pmc_ipc.c:189:18: error: unused function
> 'ipc_data_readb' [-Werror,-Wunused-function]
>

Pushed to testing, thanks!

> Signed-off-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx>
> ---
> drivers/platform/x86/intel_pmc_ipc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/platform/x86/intel_pmc_ipc.c b/drivers/platform/x86/intel_pmc_ipc.c
> index e4d4dfe3e1d1..bb792a52248b 100644
> --- a/drivers/platform/x86/intel_pmc_ipc.c
> +++ b/drivers/platform/x86/intel_pmc_ipc.c
> @@ -186,7 +186,7 @@ static inline void ipc_data_writel(u32 data, u32 offset)
> writel(data, ipcdev.ipc_base + IPC_WRITE_BUFFER + offset);
> }
>
> -static inline u8 ipc_data_readb(u32 offset)
> +static inline u8 __maybe_unused ipc_data_readb(u32 offset)
> {
> return readb(ipcdev.ipc_base + IPC_READ_BUFFER + offset);
> }
> --
> 2.13.0.219.gdb65acc882-goog
>



--
With Best Regards,
Andy Shevchenko