staging: octeon: Remove USB code

Remove functions and definitions that refer to USB since the driver
doesn't support USB and it's not planned to add USB support to that
driver. So the code is just dead code which can be removed.

Cc: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Bernhard Walle <walle@corscience.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/octeon/cvmx-helper-board.c

@@ -693,22 +693,3 @@ int __cvmx_helper_board_hardware_enable(int interface)
 	}
 	return 0;
 }
-
-cvmx_helper_board_usb_clock_types_t __cvmx_helper_board_usb_get_clock_type(void)
-{
-	switch (cvmx_sysinfo_get()->board_type) {
-	case CVMX_BOARD_TYPE_BBGW_REF:
-		return USB_CLOCK_TYPE_CRYSTAL_12;
-	}
-	return USB_CLOCK_TYPE_REF_48;
-}
-
-int __cvmx_helper_board_usb_get_num_ports(int supported_ports)
-{
-	switch (cvmx_sysinfo_get()->board_type) {
-	case CVMX_BOARD_TYPE_NIC_XLE_4G:
-		return 0;
-	}
-
-	return supported_ports;
-}

drivers/staging/octeon/cvmx-helper-board.h

@@ -36,13 +36,6 @@
 
 #include "cvmx-helper.h"
 
-typedef enum {
-	USB_CLOCK_TYPE_REF_12,
-	USB_CLOCK_TYPE_REF_24,
-	USB_CLOCK_TYPE_REF_48,
-	USB_CLOCK_TYPE_CRYSTAL_12,
-} cvmx_helper_board_usb_clock_types_t;
-
 typedef enum {
 	set_phy_link_flags_autoneg = 0x1,
 	set_phy_link_flags_flow_control_dont_touch = 0x0 << 1,
@@ -155,26 +148,4 @@ extern int __cvmx_helper_board_interface_probe(int interface,
  */
 extern int __cvmx_helper_board_hardware_enable(int interface);
 
-/**
- * Gets the clock type used for the USB block based on board type.
- * Used by the USB code for auto configuration of clock type.
- *
- * Returns USB clock type enumeration
- */
-cvmx_helper_board_usb_clock_types_t
-__cvmx_helper_board_usb_get_clock_type(void);
-
-/**
- * Adjusts the number of available USB ports on Octeon based on board
- * specifics.
- *
- * @supported_ports: expected number of ports based on chip type;
- *
- *
- * Returns number of available usb ports, based on board specifics.
- *         Return value is supported_ports if function does not
- *         override.
- */
-int __cvmx_helper_board_usb_get_num_ports(int supported_ports);
-
 #endif /* __CVMX_HELPER_BOARD_H__ */