From: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
To: Arnd Bergmann <arnd@kernel.org>
Cc: Vinod Koul <vkoul@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Neil Armstrong <neil.armstrong@linaro.org>,
Biju Das <biju.das.jz@bp.renesas.com>,
linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] phy: renesas: rcar-gen3-usb2: add regulator dependency
Date: Tue, 3 Feb 2026 09:24:32 +0100 [thread overview]
Message-ID: <aYGwwMLkVp4X2IBC@tom-desktop> (raw)
In-Reply-To: <20260202095118.1233046-1-arnd@kernel.org>
On Mon, Feb 02, 2026 at 10:51:14AM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> The driver start registering a regulator, but can still be
> enabled even when it is unable to call into the regulator
> subsystem:
>
> aarch64-linux-ld: drivers/phy/renesas/phy-rcar-gen3-usb2.o: in function `rcar_gen3_phy_usb2_probe':
> phy-rcar-gen3-usb2.c:(.text+0x2884): undefined reference to `devm_regulator_register'
>
> Add a Kconfig dependency to avoid this configuration.
>
> Fixes: b6d7dd157763 ("phy: renesas: rcar-gen3-usb2: Add regulator for OTG VBUS control")
Tested-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
> drivers/phy/renesas/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/phy/renesas/Kconfig b/drivers/phy/renesas/Kconfig
> index d217c630b2fd..90a9ca2db7fc 100644
> --- a/drivers/phy/renesas/Kconfig
> +++ b/drivers/phy/renesas/Kconfig
> @@ -29,6 +29,7 @@ config PHY_RCAR_GEN3_USB2
> depends on ARCH_RENESAS
> depends on EXTCON || !EXTCON # if EXTCON=m, this cannot be built-in
> depends on USB_SUPPORT
> + depends on REGULATOR
> select GENERIC_PHY
> select MULTIPLEXER
> select USB_COMMON
> --
> 2.39.5
>
Thanks & Regards,
Tommaso
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next prev parent reply other threads:[~2026-02-03 8:25 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-02 9:51 [PATCH] phy: renesas: rcar-gen3-usb2: add regulator dependency Arnd Bergmann
2026-02-03 8:24 ` Tommaso Merciai [this message]
2026-02-04 15:44 ` Vinod Koul
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