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From: Arnd Bergmann <arnd@kernel.org>
To: Vinod Koul <vkoul@kernel.org>,
	Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
Cc: 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: [PATCH] phy: renesas: rcar-gen3-usb2: add regulator dependency
Date: Mon,  2 Feb 2026 10:51:14 +0100	[thread overview]
Message-ID: <20260202095118.1233046-1-arnd@kernel.org> (raw)

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")
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


-- 
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linux-phy@lists.infradead.org
https://lists.infradead.org/mailman/listinfo/linux-phy

WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@kernel.org>
To: Vinod Koul <vkoul@kernel.org>,
	Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
Cc: 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: [PATCH] phy: renesas: rcar-gen3-usb2: add regulator dependency
Date: Mon,  2 Feb 2026 10:51:14 +0100	[thread overview]
Message-ID: <20260202095118.1233046-1-arnd@kernel.org> (raw)

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")
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


             reply	other threads:[~2026-02-02  9:51 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-02  9:51 Arnd Bergmann [this message]
2026-02-02  9:51 ` [PATCH] phy: renesas: rcar-gen3-usb2: add regulator dependency Arnd Bergmann
2026-02-03  8:24 ` Tommaso Merciai
2026-02-03  8:24   ` Tommaso Merciai
2026-02-04 15:44 ` Vinod Koul
2026-02-04 15:44   ` Vinod Koul

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