linux-kernel - Re: [PATCH] phy: tegra-xusb: add pinctrl dependency

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Message-ID: <20160503160708.GA20266@ulmo.ba.sec>
Date:	Tue, 3 May 2016 18:07:08 +0200
From:	Thierry Reding <thierry.reding@...il.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Kishon Vijay Abraham I <kishon@...com>,
	Stephen Warren <swarren@...dotorg.org>,
	Alexandre Courbot <gnurou@...il.com>,
	linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: Re: [PATCH] phy: tegra-xusb: add pinctrl dependency

On Tue, May 03, 2016 at 05:24:51PM +0200, Arnd Bergmann wrote:
> The newly added tegra xusb phy driver fails to link when CONFIG_PINCTRL
> is disabled, since that also leaves out the legacy probe function:
> 
> ERROR: "tegra_xusb_padctl_legacy_probe" [drivers/phy/tegra/phy-tegra-xusb.ko] undefined!

Wouldn't that be more of a case for a select dependency? I'm thinking
something like the below (untested, yet).

Thierry
--- >8 ---
diff --git a/drivers/phy/tegra/Kconfig b/drivers/phy/tegra/Kconfig
index a3b1de953fb7..59e0dba9259a 100644
--- a/drivers/phy/tegra/Kconfig
+++ b/drivers/phy/tegra/Kconfig
@@ -1,6 +1,7 @@
 config PHY_TEGRA_XUSB
 	tristate "NVIDIA Tegra XUSB pad controller driver"
 	depends on ARCH_TEGRA
+	select PINCTRL_TEGRA_XUSB
 	help
 	  Choose this option if you have an NVIDIA Tegra SoC.
 
diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile
index e4bc1151e04f..42a5c1dddfef 100644
--- a/drivers/pinctrl/Makefile
+++ b/drivers/pinctrl/Makefile
@@ -23,7 +23,7 @@ obj-$(CONFIG_PINCTRL_PISTACHIO)	+= pinctrl-pistachio.o
 obj-$(CONFIG_PINCTRL_ROCKCHIP)	+= pinctrl-rockchip.o
 obj-$(CONFIG_PINCTRL_SINGLE)	+= pinctrl-single.o
 obj-$(CONFIG_PINCTRL_SIRF)	+= sirf/
-obj-$(CONFIG_PINCTRL_TEGRA)	+= tegra/
+obj-$(CONFIG_ARCH_TEGRA)	+= tegra/
 obj-$(CONFIG_PINCTRL_TZ1090)	+= pinctrl-tz1090.o
 obj-$(CONFIG_PINCTRL_TZ1090_PDC)	+= pinctrl-tz1090-pdc.o
 obj-$(CONFIG_PINCTRL_U300)	+= pinctrl-u300.o
diff --git a/drivers/pinctrl/tegra/Makefile b/drivers/pinctrl/tegra/Makefile
index a927379b6794..d9ea2be69cc4 100644
--- a/drivers/pinctrl/tegra/Makefile
+++ b/drivers/pinctrl/tegra/Makefile
@@ -1,4 +1,4 @@
-obj-y					+= pinctrl-tegra.o
+obj-$(CONFIG_PINCTRL_TEGRA)		+= pinctrl-tegra.o
 obj-$(CONFIG_PINCTRL_TEGRA20)		+= pinctrl-tegra20.o
 obj-$(CONFIG_PINCTRL_TEGRA30)		+= pinctrl-tegra30.o
 obj-$(CONFIG_PINCTRL_TEGRA114)		+= pinctrl-tegra114.o

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