[PATCH v4 4/4] usb: simplify hdrc configuration

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HDRC requires either NOP_USB_XCEIV or TWLX030_USB, and it selects the
right one based on architectures or board.

However, many OMAP2+ boards are excluded from this selection and it's
possible to have a configuration with no transceiver, so HDRC doesn't
work.

What we need is a 'soft' dependency, and this can be achieved by
transforming the 'selects' to 'default'. This way we can have sane
defaults for all OMAP2+ boards, and the ones that need NOP can just
specify that manually.

This simplifies the config from:

     CONFIG_USB=y
     CONFIG_TWL4030_CORE=y
     CONFIG_TWL4030_USB=y

To:

     CONFIG_USB=y
     CONFIG_TWL4030_CORE=y

And so on.

Signed-off-by: Felipe Contreras <felipe.contreras@xxxxxxxxx>
---
 drivers/usb/musb/Kconfig |    4 +---
 drivers/usb/otg/Kconfig  |    3 +++
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index 07a0346..b60d3a5 100644
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -7,9 +7,7 @@
 config USB_MUSB_HDRC
 	depends on USB && USB_GADGET
 	depends on (ARM || (BF54x && !BF544) || (BF52x && !BF522 && !BF523))
-	select NOP_USB_XCEIV if (ARCH_DAVINCI || MACH_OMAP3EVM || BLACKFIN)
-	select TWL4030_USB if MACH_OMAP_3430SDP
-	select TWL6030_USB if MACH_OMAP_4430SDP || MACH_OMAP4_PANDA
+	depends on (NOP_USB_XCEIV || TWL4030_USB || TWL6030_USB)
 	select USB_OTG_UTILS
 	select USB_GADGET_DUALSPEED
 	tristate 'Inventra Highspeed Dual Role Controller (TI, ADI, ...)'
diff --git a/drivers/usb/otg/Kconfig b/drivers/usb/otg/Kconfig
index c66481a..5beb8b7 100644
--- a/drivers/usb/otg/Kconfig
+++ b/drivers/usb/otg/Kconfig
@@ -60,6 +60,7 @@ config TWL4030_USB
 	tristate "TWL4030 USB Transceiver Driver"
 	depends on TWL4030_CORE && REGULATOR_TWL4030
 	select USB_OTG_UTILS
+	default y if ARCH_OMAP3
 	help
 	  Enable this to support the USB OTG transceiver on TWL4030
 	  family chips (including the TWL5030 and TPS659x0 devices).
@@ -70,6 +71,7 @@ config TWL6030_USB
 	tristate "TWL6030 USB Transceiver Driver"
 	depends on TWL4030_CORE
 	select USB_OTG_UTILS
+	default y if ARCH_OMAP4
 	help
 	  Enable this to support the USB OTG transceiver on TWL6030
 	  family chips. This TWL6030 transceiver has the VBUS and ID GND
@@ -81,6 +83,7 @@ config TWL6030_USB
 config NOP_USB_XCEIV
 	tristate "NOP USB Transceiver Driver"
 	select USB_OTG_UTILS
+	default y if ARCH_DAVINCI || MACH_OMAP3EVM || BLACKFIN
 	help
 	 this driver is to be used by all the usb transceiver which are either
 	 built-in with usb ip or which are autonomous and doesn't require any
-- 
1.7.8.rc1.14.g248db

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