[PATCH v6 3/4] mips: serial: Silence "unused variable" warning

[Daniel Schwierzeck]

On 8/7/25 09:56, Philip Oberfichtner wrote:
> Before this commit, mtmips_spl_serial_init() caused the following
> warning:
> 
>    arch/mips/mach-mtmips/mt7628/serial.c:14:23: warning: unused variable ‘base’ [-Wunused-variable]
>       14 |         void __iomem *base = ioremap_nocache(SYSCTL_BASE, SYSCTL_SIZE);
>          |                       ^~~~
> 
> This happens whenever CONFIG_SPECIFY_CONSOLE_INDEX is unset, which leads
> to an effectively empty function:
> 
>    void mtmips_spl_serial_init(void)
>    {
> 	  void __iomem *base = ioremap_nocache(SYSCTL_BASE, SYSCTL_SIZE);
>    }
> 
> Add the __maybe_unused attribute to silence this warning.
> 
> Signed-off-by: Philip Oberfichtner <pro at denx.de>
> ---
> 
> Notes:
>      Changes in v6: none
>      
>      Changes in v5: none
>      
>      Changes in v4: new
> 
>   arch/mips/mach-mtmips/mt7620/serial.c     | 2 +-
>   arch/mips/mach-mtmips/mt7621/spl/serial.c | 2 +-
>   arch/mips/mach-mtmips/mt7628/serial.c     | 2 +-
>   3 files changed, 3 insertions(+), 3 deletions(-)
> 

Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck at gmail.com>

-- 
- Daniel