1 files changed, 0 insertions, 84 deletions
diff --git a/drivers/usb/host/ehci-lpm.c b/drivers/usb/host/ehci-lpm.c
deleted file mode 100644
index 2111627a19de..000000000000
--- a/drivers/usb/host/ehci-lpm.c
+++ /dev/null
@@ -1,84 +0,0 @@
-/* ehci-lpm.c EHCI HCD LPM support code
- * Copyright (c) 2008 - 2010,  Intel Corporation.
- * Author: Jacob Pan <jacob.jun.pan@intel.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-/* this file is part of ehci-hcd.c */
-static int __maybe_unused ehci_lpm_set_da(struct ehci_hcd *ehci,
-	int dev_addr, int port_num)
-{
-	u32 __iomem portsc;
-
-	ehci_dbg(ehci, "set dev address %d for port %d\n", dev_addr, port_num);
-	if (port_num > HCS_N_PORTS(ehci->hcs_params)) {
-		ehci_dbg(ehci, "invalid port number %d\n", port_num);
-		return -ENODEV;
-	}
-	portsc = ehci_readl(ehci, &ehci->regs->port_status[port_num-1]);
-	portsc &= ~PORT_DEV_ADDR;
-	portsc |= dev_addr<<25;
-	ehci_writel(ehci, portsc, &ehci->regs->port_status[port_num-1]);
-	return 0;
-}
-
-/*
- * this function is used to check if the device support LPM
- * if yes, mark the PORTSC register with PORT_LPM bit
- */
-static int __maybe_unused ehci_lpm_check(struct ehci_hcd *ehci, int port)
-{
-	u32 __iomem	*portsc ;
-	u32 val32;
-	int retval;
-
-	portsc = &ehci->regs->port_status[port-1];
-	val32 = ehci_readl(ehci, portsc);
-	if (!(val32 & PORT_DEV_ADDR)) {
-		ehci_dbg(ehci, "LPM: no device attached\n");
-		return -ENODEV;
-	}
-	val32 |= PORT_LPM;
-	ehci_writel(ehci, val32, portsc);
-	msleep(5);
-	val32 |= PORT_SUSPEND;
-	ehci_dbg(ehci, "Sending LPM 0x%08x to port %d\n", val32, port);
-	ehci_writel(ehci, val32, portsc);
-	/* wait for ACK */
-	msleep(10);
-	retval = handshake(ehci, &ehci->regs->port_status[port-1], PORT_SSTS,
-			PORTSC_SUSPEND_STS_ACK, 125);
-	dbg_port(ehci, "LPM", port, val32);
-	if (retval != -ETIMEDOUT) {
-		ehci_dbg(ehci, "LPM: device ACK for LPM\n");
-		val32 |= PORT_LPM;
-		/*
-		 * now device should be in L1 sleep, let's wake up the device
-		 * so that we can complete enumeration.
-		 */
-		ehci_writel(ehci, val32, portsc);
-		msleep(10);
-		val32 |= PORT_RESUME;
-		ehci_writel(ehci, val32, portsc);
-	} else {
-		ehci_dbg(ehci, "LPM: device does not ACK, disable LPM %d\n",
-			retval);
-		val32 &= ~PORT_LPM;
-		retval = -ETIMEDOUT;
-		ehci_writel(ehci, val32, portsc);
-	}
-
-	return retval;
-}