linux-kernel - Re: [PATCH] ARC: [plat-hsdk]: fix USB regression

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Date:   Tue, 7 Apr 2020 18:59:49 -0700
From:   Nathan Chancellor <natechancellor@...il.com>
To:     Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>
Cc:     linux-snps-arc@...ts.infradead.org,
        Vineet Gupta <Vineet.Gupta1@...opsys.com>,
        linux-kernel@...r.kernel.org,
        Alexey Brodkin <Alexey.Brodkin@...opsys.com>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>
Subject: Re: [PATCH] ARC: [plat-hsdk]: fix USB regression

On Tue, Apr 07, 2020 at 06:20:28PM -0700, Nathan Chancellor wrote:
> On Tue, Apr 07, 2020 at 07:19:33PM +0300, Eugeniy Paltsev wrote:
> > As of today the CONFIG_USB isn't explicitly present in HSDK defconfig
> > as it is implicitly forcibly enabled by UDL driver which selects CONFIG_USB
> > in its kconfig.
> > The commit 5d50bd440bc2 ("drm/udl: Make udl driver depend on CONFIG_USB")
> > reverse the dependencies between UDL and USB so UDL now depends on
> > CONFIG_USB and not selects it. This introduces regression for ARC HSDK
> > board as HSDK defconfig wasn't adjusted and now it misses USB support
> > due to lack of CONFIG_USB enabled.
> > 
> > Fix that.
> > 
> > Fixes: 5d50bd440bc2 ("drm/udl: Make udl driver depend on CONFIG_USB")
> > Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>
> > ---
> >  arch/arc/configs/hsdk_defconfig | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig
> > index 0974226fab55..f79c15892704 100644
> > --- a/arch/arc/configs/hsdk_defconfig
> > +++ b/arch/arc/configs/hsdk_defconfig
> > @@ -65,6 +65,7 @@ CONFIG_DRM_UDL=y
> >  CONFIG_DRM_ETNAVIV=y
> >  CONFIG_FB=y
> >  CONFIG_FRAMEBUFFER_CONSOLE=y
> > +CONFIG_USB
> 
> Shouldn't this be CONFIG_USB=y?
> 
> As it stands, this patch does nothing.
> 
> Cheers,
> Nathan

Nevermind, I came across v2 on the mailing list, sorry for the noise.

Cheers,
Nathan