USB: enclose all depends on USB_OHCI_HCD within an if USB_OHCI_HCD block

This patch removes the various depends on USB_OHCI_HCD from the OHCI HCD
drivers and enclose them within an if USB_OHCI_HCD / endif block. The
Octeon OHCI HCD driver has been moved around to remain in this block.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/Kconfig

@@ -358,16 +358,18 @@ config USB_OHCI_HCD
 	  To compile this driver as a module, choose M here: the
 	  module will be called ohci-hcd.
 
+if USB_OHCI_HCD
+
 config USB_OHCI_HCD_OMAP1
 	bool "OHCI support for OMAP1/2 chips"
-	depends on USB_OHCI_HCD && ARCH_OMAP1
+	depends on ARCH_OMAP1
 	default y
 	---help---
 	  Enables support for the OHCI controller on OMAP1/2 chips.
 
 config USB_OHCI_HCD_OMAP3
 	bool "OHCI support for OMAP3 and later chips"
-	depends on USB_OHCI_HCD && (ARCH_OMAP3 || ARCH_OMAP4)
+	depends on (ARCH_OMAP3 || ARCH_OMAP4)
 	default y
 	---help---
 	  Enables support for the on-chip OHCI controller on
@@ -375,7 +377,7 @@ config USB_OHCI_HCD_OMAP3
 
 config USB_OHCI_ATH79
 	bool "USB OHCI support for the Atheros AR71XX/AR7240 SoCs (DEPRECATED)"
-	depends on USB_OHCI_HCD && (SOC_AR71XX || SOC_AR724X)
+	depends on (SOC_AR71XX || SOC_AR724X)
 	select USB_OHCI_HCD_PLATFORM
 	default y
 	help
@@ -387,7 +389,7 @@ config USB_OHCI_ATH79
 
 config USB_OHCI_HCD_PPC_OF_BE
 	bool "OHCI support for OF platform bus (big endian)"
-	depends on USB_OHCI_HCD && PPC_OF
+	depends on PPC_OF
 	select USB_OHCI_BIG_ENDIAN_DESC
 	select USB_OHCI_BIG_ENDIAN_MMIO
 	---help---
@@ -396,7 +398,7 @@ config USB_OHCI_HCD_PPC_OF_BE
 
 config USB_OHCI_HCD_PPC_OF_LE
 	bool "OHCI support for OF platform bus (little endian)"
-	depends on USB_OHCI_HCD && PPC_OF
+	depends on PPC_OF
 	select USB_OHCI_LITTLE_ENDIAN
 	---help---
 	  Enables support for little-endian USB controllers present on the
@@ -404,12 +406,12 @@ config USB_OHCI_HCD_PPC_OF_LE
 
 config USB_OHCI_HCD_PPC_OF
 	bool
-	depends on USB_OHCI_HCD && PPC_OF
+	depends on PPC_OF
 	default USB_OHCI_HCD_PPC_OF_BE || USB_OHCI_HCD_PPC_OF_LE
 
 config USB_OHCI_HCD_PCI
 	bool "OHCI support for PCI-bus USB controllers"
-	depends on USB_OHCI_HCD && PCI && (STB03xxx || PPC_MPC52xx || USB_OHCI_HCD_PPC_OF)
+	depends on PCI && (STB03xxx || PPC_MPC52xx || USB_OHCI_HCD_PPC_OF)
 	default y
 	select USB_OHCI_LITTLE_ENDIAN
 	---help---
@@ -418,7 +420,7 @@ config USB_OHCI_HCD_PCI
 
 config USB_OHCI_HCD_SSB
 	bool "OHCI support for Broadcom SSB OHCI core (DEPRECATED)"
-	depends on USB_OHCI_HCD && (SSB = y || SSB = USB_OHCI_HCD)
+	depends on (SSB = y || SSB = USB_OHCI_HCD)
 	select USB_HCD_SSB
 	select USB_OHCI_HCD_PLATFORM
 	default n
@@ -436,7 +438,7 @@ config USB_OHCI_HCD_SSB
 
 config USB_OHCI_SH
 	bool "OHCI support for SuperH USB controller (DEPRECATED)"
-	depends on USB_OHCI_HCD && SUPERH
+	depends on SUPERH
 	select USB_OHCI_HCD_PLATFORM
 	---help---
 	  This option is deprecated now and the driver was removed, use
@@ -447,13 +449,13 @@ config USB_OHCI_SH
 
 config USB_OHCI_EXYNOS
 	boolean "OHCI support for Samsung EXYNOS SoC Series"
-	depends on USB_OHCI_HCD && ARCH_EXYNOS
+	depends on ARCH_EXYNOS
 	help
 	 Enable support for the Samsung Exynos SOC's on-chip OHCI controller.
 
 config USB_CNS3XXX_OHCI
 	bool "Cavium CNS3XXX OHCI Module (DEPRECATED)"
-	depends on USB_OHCI_HCD && ARCH_CNS3XXX
+	depends on ARCH_CNS3XXX
 	select USB_OHCI_HCD_PLATFORM
 	---help---
 	  This option is deprecated now and the driver was removed, use
@@ -464,7 +466,6 @@ config USB_CNS3XXX_OHCI
 
 config USB_OHCI_HCD_PLATFORM
 	bool "Generic OHCI driver for a platform device"
-	depends on USB_OHCI_HCD
 	default n
 	---help---
 	  Adds an OHCI host driver for a generic platform device, which
@@ -472,23 +473,33 @@ config USB_OHCI_HCD_PLATFORM
 
 	  If unsure, say N.
 
+config USB_OCTEON_OHCI
+	bool "Octeon on-chip OHCI support"
+	depends on CPU_CAVIUM_OCTEON
+	default USB_OCTEON_EHCI
+	select USB_OHCI_BIG_ENDIAN_MMIO
+	select USB_OHCI_LITTLE_ENDIAN
+	help
+	  Enable support for the Octeon II SOC's on-chip OHCI
+	  controller.  It is needed for low-speed USB 1.0 device
+	  support.  All CN6XXX based chips with USB are supported.
+
 
 config USB_OHCI_BIG_ENDIAN_DESC
 	bool
-	depends on USB_OHCI_HCD
 	default n
 
 config USB_OHCI_BIG_ENDIAN_MMIO
 	bool
-	depends on USB_OHCI_HCD
 	default n
 
 config USB_OHCI_LITTLE_ENDIAN
 	bool
-	depends on USB_OHCI_HCD
 	default n if STB03xxx || PPC_MPC52xx
 	default y
 
+endif # USB_OHCI_HCD
+
 config USB_UHCI_HCD
 	tristate "UHCI HCD (most Intel and VIA) support"
 	depends on PCI || SPARC_LEON || ARCH_VT8500
@@ -665,16 +676,6 @@ config USB_IMX21_HCD
          module will be called "imx21-hcd".
 
 
-config USB_OCTEON_OHCI
-	bool "Octeon on-chip OHCI support"
-	depends on USB_OHCI_HCD && CPU_CAVIUM_OCTEON
-	default USB_OCTEON_EHCI
-	select USB_OHCI_BIG_ENDIAN_MMIO
-	select USB_OHCI_LITTLE_ENDIAN
-	help
-	  Enable support for the Octeon II SOC's on-chip OHCI
-	  controller.  It is needed for low-speed USB 1.0 device
-	  support.  All CN6XXX based chips with USB are supported.
 
 config USB_OCTEON2_COMMON
 	bool