[PATCH v2] ARM: sunxi: do not select COMMON_CLK to fix builds

[PATCH v2] ARM: sunxi: do not select COMMON_CLK to fix builds

[Krzysztof Kozlowski]

COMMON_CLK is a user-selectable option with its own dependencies.  The
most important dependency is !HAVE_LEGACY_CLK.  User-selectable drivers
should not select COMMON_CLK because they will create a dependency cycle
and build failures.  For example on MIPS a configuration with COMMON_CLK
(selected by SND_SUN8I_CODEC) and HAVE_LEGACY_CLK (selected by
SOC_RT305X) is possible:

  WARNING: unmet direct dependencies detected for COMMON_CLK
    Depends on [n]: !HAVE_LEGACY_CLK [=y]
    Selected by [y]:
    - SND_SUN8I_CODEC [=y] && SOUND [=y] && !UML && SND [=y] && SND_SOC [=y] &&
      (ARCH_SUNXI || COMPILE_TEST [=y]) && OF [=y] && (MACH_SUN8I || ARM64 && ARCH_SUNXI || COMPILE_TEST [=y])

    /usr/bin/mips-linux-gnu-ld: drivers/clk/clk.o: in function `clk_set_rate':
    (.text+0xaeb4): multiple definition of `clk_set_rate'; arch/mips/ralink/clk.o:(.text+0x88): first defined here

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Samuel Holland <samuel@sholland.org>

---

Changes since v1:
1. Do not select COMMON_CLK in arch/arm/mach-sunxi/Kconfig,
2. Add Samuel's review.
---
 sound/soc/sunxi/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/sunxi/Kconfig b/sound/soc/sunxi/Kconfig
index 69b9d8515335..ddcaaa98d3cb 100644
--- a/sound/soc/sunxi/Kconfig
+++ b/sound/soc/sunxi/Kconfig
@@ -14,7 +14,7 @@ config SND_SUN8I_CODEC
 	tristate "Allwinner SUN8I audio codec"
 	depends on OF
 	depends on MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST
-	select COMMON_CLK
+	depends on COMMON_CLK
 	select REGMAP_MMIO
 	help
 	  This option enables the digital part of the internal audio codec for
-- 
2.25.1


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Re: [PATCH v2] ARM: sunxi: do not select COMMON_CLK to fix builds

[Maxime Ripard]

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On Tue, Nov 17, 2020 at 07:23:10PM +0100, Krzysztof Kozlowski wrote:
> COMMON_CLK is a user-selectable option with its own dependencies.  The
> most important dependency is !HAVE_LEGACY_CLK.  User-selectable drivers
> should not select COMMON_CLK because they will create a dependency cycle
> and build failures.  For example on MIPS a configuration with COMMON_CLK
> (selected by SND_SUN8I_CODEC) and HAVE_LEGACY_CLK (selected by
> SOC_RT305X) is possible:
> 
>   WARNING: unmet direct dependencies detected for COMMON_CLK
>     Depends on [n]: !HAVE_LEGACY_CLK [=y]
>     Selected by [y]:
>     - SND_SUN8I_CODEC [=y] && SOUND [=y] && !UML && SND [=y] && SND_SOC [=y] &&
>       (ARCH_SUNXI || COMPILE_TEST [=y]) && OF [=y] && (MACH_SUN8I || ARM64 && ARCH_SUNXI || COMPILE_TEST [=y])
> 
>     /usr/bin/mips-linux-gnu-ld: drivers/clk/clk.o: in function `clk_set_rate':
>     (.text+0xaeb4): multiple definition of `clk_set_rate'; arch/mips/ralink/clk.o:(.text+0x88): first defined here
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
> Reviewed-by: Samuel Holland <samuel@sholland.org>

Acked-by: Maxime Ripard <mripard@kernel.org>

however, I'm not sure the prefix is the one Mark would expect?

Maxime

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Re: [PATCH v2] ARM: sunxi: do not select COMMON_CLK to fix builds

[Krzysztof Kozlowski]

On Wed, 18 Nov 2020 at 16:38, Maxime Ripard <maxime@cerno.tech> wrote:
>
> On Tue, Nov 17, 2020 at 07:23:10PM +0100, Krzysztof Kozlowski wrote:
> > COMMON_CLK is a user-selectable option with its own dependencies.  The
> > most important dependency is !HAVE_LEGACY_CLK.  User-selectable drivers
> > should not select COMMON_CLK because they will create a dependency cycle
> > and build failures.  For example on MIPS a configuration with COMMON_CLK
> > (selected by SND_SUN8I_CODEC) and HAVE_LEGACY_CLK (selected by
> > SOC_RT305X) is possible:
> >
> >   WARNING: unmet direct dependencies detected for COMMON_CLK
> >     Depends on [n]: !HAVE_LEGACY_CLK [=y]
> >     Selected by [y]:
> >     - SND_SUN8I_CODEC [=y] && SOUND [=y] && !UML && SND [=y] && SND_SOC [=y] &&
> >       (ARCH_SUNXI || COMPILE_TEST [=y]) && OF [=y] && (MACH_SUN8I || ARM64 && ARCH_SUNXI || COMPILE_TEST [=y])
> >
> >     /usr/bin/mips-linux-gnu-ld: drivers/clk/clk.o: in function `clk_set_rate':
> >     (.text+0xaeb4): multiple definition of `clk_set_rate'; arch/mips/ralink/clk.o:(.text+0x88): first defined here
> >
> > Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
> > Reviewed-by: Samuel Holland <samuel@sholland.org>
>
> Acked-by: Maxime Ripard <mripard@kernel.org>
>
> however, I'm not sure the prefix is the one Mark would expect?

Good point, I'll fix it in v3.

Best regards,
Krzysztof

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