usb: ehci-omap: Drop dead code

omap_ehci_hcd_stop appears to be dead code, and omap_ehci_hcd_init
is only called by the probe function, so it can be static to that
function.  Remove both from the header along with some additional
checking for DM_USB.

Signed-off-by: Adam Ford <aford173@gmail.com>

diff --git a/arch/arm/include/asm/ehci-omap.h b/arch/arm/include/asm/ehci-omap.h
index f970bba..2b51b5e 100644 (file)
--- a/arch/arm/include/asm/ehci-omap.h
+++ b/arch/arm/include/asm/ehci-omap.h
@@ -123,17 +123,4 @@ struct omap_ehci {
        u32 insreg08;           /* 0xb0 */
 };
 
-#if !CONFIG_IS_ENABLED(DM_USB) || !CONFIG_IS_ENABLED(OF_CONTROL)
-/*
- * FIXME: forward declaration of this structs needed because omap got the
- * ehci implementation backwards. move out ehci_hcd_x from board files
- */
-struct ehci_hccr;
-struct ehci_hcor;
-
-int omap_ehci_hcd_init(int index, struct omap_usbhs_board_data *usbhs_pdata,
-                      struct ehci_hccr **hccr, struct ehci_hcor **hcor);
-int omap_ehci_hcd_stop(void);
-#endif
-
 #endif /* _OMAP_COMMON_EHCI_H_ */

diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c
index d5facf1..d34c0ad 100644 (file)
--- a/drivers/usb/host/ehci-omap.c
+++ b/drivers/usb/host/ehci-omap.c
@@ -163,27 +163,12 @@ static inline void omap_ehci_phy_reset(int on, int delay)
 #define omap_ehci_phy_reset(on, delay) do {} while (0)
 #endif
 
-/* Reset is needed otherwise the kernel-driver will throw an error. */
-int omap_ehci_hcd_stop(void)
-{
-       debug("Resetting OMAP EHCI\n");
-       omap_ehci_phy_reset(1, 0);
-
-       if (omap_uhh_reset() < 0)
-               return -1;
-
-       if (omap_ehci_tll_reset() < 0)
-               return -1;
-
-       return 0;
-}
-
 /*
  * Initialize the OMAP EHCI controller and PHY.
  * Based on "drivers/usb/host/ehci-omap.c" from Linux 3.1
  * See there for additional Copyrights.
  */
-int omap_ehci_hcd_init(int index, struct omap_usbhs_board_data *usbhs_pdata)
+static int omap_ehci_hcd_init(int index, struct omap_usbhs_board_data *usbhs_pdata)
 {
        int ret;
        unsigned int i, reg = 0, rev = 0;