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SubjectRe: [RFC 2/3] ARM: sunxi: do not select COMMON_CLK to fix builds
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On 11/15/20 11:09 AM, 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:

Ah, that makes sense.

>
> 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>
> ---
> arch/arm/mach-sunxi/Kconfig | 1 +
> sound/soc/sunxi/Kconfig | 2 +-
> 2 files changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
> index eeadb1a4dcfe..4d9f9b6d329d 100644
> --- a/arch/arm/mach-sunxi/Kconfig
> +++ b/arch/arm/mach-sunxi/Kconfig
> @@ -4,6 +4,7 @@ menuconfig ARCH_SUNXI
> depends on ARCH_MULTI_V5 || ARCH_MULTI_V7
> select ARCH_HAS_RESET_CONTROLLER
> select CLKSRC_MMIO
> + select COMMON_CLK

This is not necessary, since ARCH_SUNXI depends (through ARCH_MULTI_V{5,7}) on
ARCH_MULTIPLATFORM, which selects COMMON_CLK already.

> select GENERIC_IRQ_CHIP
> select GPIOLIB
> select PINCTRL
> 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
>

For this file:
Reviewed-by: Samuel Holland <samuel@sholland.org>

Thanks,
Samuel

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