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

2020-04-07 Thread Nathan Chancellor 
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 
> > ---
> >  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

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

2020-04-07 Thread Nathan Chancellor 
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 
> ---
>  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

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

2020-04-07 Thread Masahiro Yamada 
On Wed, Apr 8, 2020 at 1:22 AM Eugeniy Paltsev
 wrote:
>
> Hi Masahiro,
>
> I'm wondering what is proper way to deal with such type of regressions?
> Is is responsibility of person who change kconfig to check (and possibly 
> adjust) affected defconfigs?


I think the patch submitter should take care of
affected defconfigs when (s)he drops select/imply.
Also, this kind of mistake should be caught
in the review process.



-- 
Best Regards
Masahiro Yamada

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

2020-04-07 Thread Eugeniy Paltsev 
Hi Masahiro,

I'm wondering what is proper way to deal with such type of regressions?
Is is responsibility of person who change kconfig to check (and possibly 
adjust) affected defconfigs?

A question for you as a kconfig expert :)

---
 Eugeniy Paltsev



From: Eugeniy Paltsev 
Sent: Tuesday, April 7, 2020 19:19
To: linux-snps-arc@lists.infradead.org; Vineet Gupta
Cc: linux-ker...@vger.kernel.org; Alexey Brodkin; Masahiro Yamada; Thomas 
Zimmermann; Eugeniy Paltsev
Subject: [PATCH] ARC: [plat-hsdk]: fix USB regression

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 
---
 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
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_EHCI_HCD_PLATFORM=y
 CONFIG_USB_OHCI_HCD=y
--
2.21.1


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[PATCH] ARC: [plat-hsdk]: fix USB regression

2020-04-07 Thread Eugeniy Paltsev 
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 
---
 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
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_EHCI_HCD_PLATFORM=y
 CONFIG_USB_OHCI_HCD=y
-- 
2.21.1


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