Re: [PATCH] platform/x86: mlx-platform: Properly use mlxplat_mlxcpld_msn201x_items

From: Andy Shevchenko
Date: Fri Oct 19 2018 - 07:38:32 EST


On Wed, Sep 26, 2018 at 10:43 AM Vadim Pasternak <vadimp@xxxxxxxxxxxx> wrote:
>
>
>
> > -----Original Message-----
> > From: Nathan Chancellor <natechancellor@xxxxxxxxx>
> > Sent: Wednesday, September 26, 2018 8:21 AM
> > To: Vadim Pasternak <vadimp@xxxxxxxxxxxx>; Darren Hart
> > <dvhart@xxxxxxxxxxxxx>; Andy Shevchenko <andy@xxxxxxxxxxxxx>
> > Cc: platform-driver-x86@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Nathan
> > Chancellor <natechancellor@xxxxxxxxx>
> > Subject: [PATCH] platform/x86: mlx-platform: Properly use
> > mlxplat_mlxcpld_msn201x_items
> >
> > Clang warns that mlxplat_mlxcpld_msn201x_items is not going to be emitted in
> > the final assembly because it's only used in ARRAY_SIZE right now, which is a
> > compile time evaluation since the array's size is known.
> >
> > drivers/platform/x86/mlx-platform.c:555:32: warning: variable
> > 'mlxplat_mlxcpld_msn201x_items' is not needed and will not be emitted [-
> > Wunneeded-internal-declaration] static struct mlxreg_core_item
> > mlxplat_mlxcpld_msn201x_items[] = {
> > ^
> > 1 warning generated.
> >
> > It appears this was a copy and paste mistake from when this item was first
> > added. Use the definition in mlxplat_mlxcpld_msn201x_data so that Clang no
> > longer warns.
> >

Pushed and applied, thanks!

> > Link: https://github.com/ClangBuiltLinux/linux/issues/141
> > Fixes: a49a41482f61 ("platform/x86: mlx-platform: Add support for new
> > msn201x system type")
> > Signed-off-by: Nathan Chancellor <natechancellor@xxxxxxxxx>
> > ---
>
> Acked-by: Vadim Pasternak <vadimp@xxxxxxxxxxxx>
>
> > drivers/platform/x86/mlx-platform.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/platform/x86/mlx-platform.c b/drivers/platform/x86/mlx-
> > platform.c
> > index d89936c93ba0..c2c3a1a19879 100644
> > --- a/drivers/platform/x86/mlx-platform.c
> > +++ b/drivers/platform/x86/mlx-platform.c
> > @@ -575,7 +575,7 @@ static struct mlxreg_core_item
> > mlxplat_mlxcpld_msn201x_items[] = {
> >
> > static
> > struct mlxreg_core_hotplug_platform_data mlxplat_mlxcpld_msn201x_data = {
> > - .items = mlxplat_mlxcpld_msn21xx_items,
> > + .items = mlxplat_mlxcpld_msn201x_items,
> > .counter = ARRAY_SIZE(mlxplat_mlxcpld_msn201x_items),
> > .cell = MLXPLAT_CPLD_LPC_REG_AGGR_OFFSET,
> > .mask = MLXPLAT_CPLD_AGGR_MASK_DEF,
> > --
> > 2.19.0
>


--
With Best Regards,
Andy Shevchenko