[PATCH] serial: ns16550: Fix return-type warning

[Tom Rini]

On Thu, Feb 26, 2026 at 07:28:36PM +0300, Nikita Shubin wrote:
> Hi Tom.
> 
> On Thu, 2026-02-26 at 09:08 -0600, Tom Rini wrote:
> > On Thu, Feb 26, 2026 at 05:02:47PM +0300, Nikita Shubin wrote:
> > 
> > > Fix compiler warning:
> > > 
> > > drivers/serial/ns16550.c: In function ‘serial_in_dynamic’:
> > > drivers/serial/ns16550.c:153:1: warning: control reaches end
> > >     of non-void function [-Wreturn-type]
> > >   153 | }
> > >       | ^
> > > 
> > > Fixes: 62cbde4c4e46 ("serial: ns16550: Support run-time
> > > configuration")
> > > Signed-off-by: Nikita Shubin <nikita.shubin at maquefel.me>
> > 
> > I assume this is from gcc-15.x ? Thanks.
> 
> Exactly, 
> 
> ```
> $ riscv64-unknown-linux-gnu-gcc --version
> riscv64-unknown-linux-gnu-gcc (Gentoo 15.2.1_p20260214 p5) 15.2.1
> 20260214
> ```
> 
> To be precise.

Could you please do a v2 noting the compiler version? We don't yet
support gcc 15.x, but
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121588 is just now fixed,
so soon we should be able to.

-- 
Tom
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