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SubjectRe: [PATCH AUTOSEL 6.3 6/7] powerpc/fsl_uli1575: Allow to disable FSL_ULI1575 support
On Tuesday 09 May 2023 17:14:48 Michael Ellerman wrote:
> Randy Dunlap <rdunlap@infradead.org> writes:
> > Hi--
> >
> > Just a heads up. This patch can cause build errors.
> > I sent a patch for these on 2023-APR-28:
> > https://lore.kernel.org/linuxppc-dev/20230429043519.19807-1-rdunlap@infradead.org/
> >
> > Michael, I think this is your area if I'm not mistaken.
>
> Yes. The fix is in my fixes branch as:
> 536d948a8dee ("powerpc/fsl_uli1575: fix kconfig warnings and build errors")
>
> But I don't think this commit (22fdf79171e8) really warrants going to
> stable, it's a nice-to-have but doesn't fix any pressing bugs.

Exactly. And also this patch alone without 1/8 would not work as in 1/8
https://lore.kernel.org/all/20230409000812.18904-2-pali@kernel.org/ was
added static inline variant of function which is used when ULI is
disabled.

> cheers
>
> > On 5/8/23 20:54, Sasha Levin wrote:
> >> From: Pali Rohár <pali@kernel.org>
> >>
> >> [ Upstream commit 22fdf79171e8509db54599fd2c05ef0022ee83f5 ]
> >>
> >> ULI1575 PCIe south bridge exists only on some Freescale boards. Allow to
> >> disable CONFIG_FSL_ULI1575 symbol when it is not explicitly selected and
> >> only implied. This is achieved by marking symbol as visible by providing
> >> short description. Also adds dependency for this symbol to prevent enabling
> >> it on platforms on which driver does not compile.
> >>
> >> Signed-off-by: Pali Rohár <pali@kernel.org>
> >> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
> >> Link: https://msgid.link/20230409000812.18904-7-pali@kernel.org
> >> Signed-off-by: Sasha Levin <sashal@kernel.org>
> >> ---
> >> arch/powerpc/platforms/Kconfig | 4 +++-
> >> 1 file changed, 3 insertions(+), 1 deletion(-)
> >>
> >> diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
> >> index d41dad227de84..608ac0290e3aa 100644
> >> --- a/arch/powerpc/platforms/Kconfig
> >> +++ b/arch/powerpc/platforms/Kconfig
> >> @@ -261,7 +261,9 @@ config CPM2
> >> on it (826x, 827x, 8560).
> >>
> >> config FSL_ULI1575
> >> - bool
> >> + bool "ULI1575 PCIe south bridge support"
> >> + depends on FSL_SOC_BOOKE || PPC_86xx
> >> + select FSL_PCI
> >> select GENERIC_ISA_DMA
> >> help
> >> Supports for the ULI1575 PCIe south bridge that exists on some
> >
> > --
> > ~Randy

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