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usb: phy: add USB_SUPPORT dependency

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The driver now calls of_usb_get_dr_mode_by_phy, which is part of the
USB core layer, and it fails to build when that is not provided:

drivers/phy/phy-sun4i-usb.o: In function `sun4i_usb_phy_probe':
phy-sun4i-usb.c:(.text.sun4i_usb_phy_probe+0x140): undefined reference to `of_usb_get_dr_mode_by_phy'

We already have a couple of other PHY drivers with a dependency
on USB_SUPPORT, so that seems to be the easiest fix here.

An alternative would be to adjust the #ifdef in include/linux/usb/of.h
to also check for CONFIG_USB_SUPPORT.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Fixes: b33ecca87d ("phy-sun4i-usb: Add support for peripheral-only mode")
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This commit is contained in:
Arnd Bergmann 2016-09-06 14:54:46 +02:00 committed by Kishon Vijay Abraham I
parent d83614e45b
commit cddbc4b7ef
1 changed files with 2 additions and 0 deletions
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2
drivers/phy/Kconfig
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@ -267,7 +267,9 @@ config PHY_SUN4I_USB
depends on RESET_CONTROLLER
depends on EXTCON
depends on POWER_SUPPLY
depends on USB_SUPPORT
select GENERIC_PHY
select USB_COMMON
help
Enable this to support the transceiver that is part of Allwinner
sunxi SoCs.