[PATCH 7/8] i2c: Make I2C_EXYNOS5=y impossible when EXYNOS_USI_V2=m

Sam Protsenko semen.protsenko at linaro.org
Sun Nov 28 16:02:00 PST 2021


On Sun, 28 Nov 2021 at 00:33, Sam Protsenko <semen.protsenko at linaro.org> wrote:
>
> When HSI2C is encapsulated in USIv2 block (e.g. in Exynos850), USIv2
> driver must be loaded first, as it's preparing USI hardware for
> particular protocol use. Make it impossible for i2c-exynos5 driver to be
> built-in when USIv2 driver is built as a module, to prevent incorrect
> booting order for those drivers.
>
> Signed-off-by: Sam Protsenko <semen.protsenko at linaro.org>
> ---

This patch is not needed, please ignore it.

>  drivers/i2c/busses/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
> index df89cb809330..e815a9dffb2c 100644
> --- a/drivers/i2c/busses/Kconfig
> +++ b/drivers/i2c/busses/Kconfig
> @@ -613,6 +613,7 @@ config I2C_EXYNOS5
>         tristate "Exynos high-speed I2C driver"
>         depends on OF
>         depends on ARCH_EXYNOS || COMPILE_TEST
> +       depends on EXYNOS_USI_V2 || !EXYNOS_USI_V2
>         default y if ARCH_EXYNOS
>         help
>           High-speed I2C controller on Samsung Exynos5 and newer Samsung SoCs:
> --
> 2.30.2
>



More information about the linux-arm-kernel mailing list