usb: ehci: introduce CONFIG_USB_EHCI_HCD_OMAP

Introduce the CONFIG_USB_EHCI_HCD_OMAP option to select
EHCI support on OMAP3 and later chips. This scales better
than having a long line of dependencies for each new OMAP
with EHCI support.

Signed-off-by: Keshava Munegowda <keshava_mgowda@ti.com>
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>

2 files changed, 9 insertions, 1 deletions

diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 2391c396ca32..6a7c688b4781 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -133,6 +133,14 @@ config USB_EHCI_MXC
         ---help---
           Variation of ARC USB block used in some Freescale chips.
 
+config USB_EHCI_HCD_OMAP
+        bool "EHCI support for OMAP3 and later chips"
+        depends on USB_EHCI_HCD && ARCH_OMAP
+        default y
+        --- help ---
+          Enables support for the on-chip EHCI controller on
+          OMAP3 and later chips.
+
 config USB_EHCI_HCD_PPC_OF
         bool "EHCI support for PPC USB controller on OF platform bus"
         depends on USB_EHCI_HCD && PPC_OF
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 87157db155f6..2f06ba471953 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1171,7 +1171,7 @@ MODULE_LICENSE ("GPL");
 #define PLATFORM_DRIVER         ehci_hcd_au1xxx_driver
 #endif
 
-#ifdef CONFIG_ARCH_OMAP3
+#ifdef CONFIG_USB_EHCI_HCD_OMAP
 #include "ehci-omap.c"
 #define        PLATFORM_DRIVER         ehci_hcd_omap_driver
 #endif