Re: [PATCH v3] phy: exynos5-usbdrd: Fix broken USB on Exynos5422 (TYPEC dependency)

[Marek Szyprowski <m.szyprowski@samsung.com>]

On 17.02.2025 10:05, Krzysztof Kozlowski wrote:
> Older Exynos designs, like Exynos5422, do not have USB Type-C and the
> USB DRD PHY does not really need CONFIG_TYPEC for these devices at all.
> Incorrectly added optional dependency on CONFIG_TYPEC caused this driver
> to be missing for exynos_defconfig and as result Exynos5422-based boards
> like Hardkernel Odroid HC1 failed to probe USB.
>
> Reported-by: Krzysztof Kozlowski <krzk@kernel.org>
> Closes: https://protect2.fireeye.com/v1/url?k=3ff42dbe-606f14a1-3ff5a6f1-000babdfecba-6594ef1677acb151&q=1&e=602788a5-c8c6-4f98-b7f3-304ceee337cf&u=https%3A%2F%2Fkrzk.eu%2F%23%2Fbuilders%2F21%2Fbuilds%2F6139
> Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
> Closes: https://lore.kernel.org/all/3c0b77e6-357d-453e-8b63-4757c3231bde@samsung.com/
> Fixes: 09dc674295a3 ("phy: exynos5-usbdrd: subscribe to orientation notifier if required")
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Works fine with old ARM32bit Exynos5-based boards (exynos_defconfig) as 
well as TM2e and E850.

Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>

> ---
>
> Patch for issue in linux-next
>
> Changes in v3:
> 1. Simplify and go back to standard optional dependency without
>     intermediate symbol
>
> Changes in v2:
> 1. Add PHY_EXYNOS5_USBDRD_TYPEC, so arm64 defconfig will have both
>     symbols in-sync
> ---
>   drivers/phy/samsung/Kconfig | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/phy/samsung/Kconfig b/drivers/phy/samsung/Kconfig
> index 7fba571c0e2b..6566100441d6 100644
> --- a/drivers/phy/samsung/Kconfig
> +++ b/drivers/phy/samsung/Kconfig
> @@ -81,7 +81,7 @@ config PHY_EXYNOS5_USBDRD
>   	tristate "Exynos5 SoC series USB DRD PHY driver"
>   	depends on (ARCH_EXYNOS && OF) || COMPILE_TEST
>   	depends on HAS_IOMEM
> -	depends on TYPEC || (TYPEC=n && COMPILE_TEST)
> +	depends on TYPEC || !TYPEC
>   	depends on USB_DWC3_EXYNOS
>   	select GENERIC_PHY
>   	select MFD_SYSCON

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland