linux-kernel - [PATCH] usb: musb: add omap-control dependency

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Date:	Wed, 28 Jan 2015 22:51:04 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Felipe Balbi <balbi@...com>
Cc:	gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: [PATCH] usb: musb: add omap-control dependency

The omap musb front-end calls into the phy driver directly
instead of using a generic phy interface, which causes a link
error when the specific driver is not built-in:

drivers/built-in.o: In function `omap2430_musb_disable':
usb/musb/omap2430.c:480: undefined reference to `omap_control_usb_set_mode'
drivers/built-in.o: In function `omap2430_musb_enable':
usb/musb/omap2430.c:466: undefined reference to `omap_control_usb_set_mode'
usb/musb/omap2430.c:447: undefined reference to `omap_control_usb_set_mode'
drivers/built-in.o: In function `omap_musb_set_mailbox':
usb/musb/omap2430.c:273: undefined reference to `omap_control_usb_set_mode'
usb/musb/omap2430.c:304: undefined reference to `omap_control_usb_set_mode'
drivers/built-in.o:(.debug_addr+0xbd9e0): more undefined references to `omap_control_usb_set_mode' follow

This adds an explicit dependency.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
Fixes: ca784be36cc725 ("usb: start using the control module driver")

diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index 26c835f1b726..14e1628483d9 100644
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -79,7 +79,7 @@ config USB_MUSB_TUSB6010
 
 config USB_MUSB_OMAP2PLUS
 	tristate "OMAP2430 and onwards"
-	depends on ARCH_OMAP2PLUS && USB
+	depends on ARCH_OMAP2PLUS && USB && OMAP_CONTROL_PHY
 	select GENERIC_PHY
 
 config USB_MUSB_AM35X

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