1 files changed, 20 insertions, 36 deletions

diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c
index 68548236ec42..950e95efa381 100644
--- a/drivers/usb/host/ehci-tegra.c
+++ b/drivers/usb/host/ehci-tegra.c
@@ -17,6 +17,7 @@
  */
 
 #include <linux/clk.h>
+#include <linux/err.h>
 #include <linux/platform_device.h>
 #include <linux/platform_data/tegra_usb.h>
 #include <linux/irq.h>
@@ -46,8 +47,8 @@ static void tegra_ehci_power_up(struct usb_hcd *hcd)
 {
 	struct tegra_ehci_hcd *tegra = dev_get_drvdata(hcd->self.controller);
 
-	clk_enable(tegra->emc_clk);
-	clk_enable(tegra->clk);
+	clk_prepare_enable(tegra->emc_clk);
+	clk_prepare_enable(tegra->clk);
 	tegra_usb_phy_power_on(tegra->phy);
 	tegra->host_resumed = 1;
 }
@@ -58,8 +59,8 @@ static void tegra_ehci_power_down(struct usb_hcd *hcd)
 
 	tegra->host_resumed = 0;
 	tegra_usb_phy_power_off(tegra->phy);
-	clk_disable(tegra->clk);
-	clk_disable(tegra->emc_clk);
+	clk_disable_unprepare(tegra->clk);
+	clk_disable_unprepare(tegra->emc_clk);
 }
 
 static int tegra_ehci_internal_port_reset(
@@ -280,30 +281,14 @@ static int tegra_ehci_setup(struct usb_hcd *hcd)
 
 	/* EHCI registers start at offset 0x100 */
 	ehci->caps = hcd->regs + 0x100;
-	ehci->regs = hcd->regs + 0x100 +
-		HC_LENGTH(ehci, readl(&ehci->caps->hc_capbase));
-
-	dbg_hcs_params(ehci, "reset");
-	dbg_hcc_params(ehci, "reset");
-
-	/* cache this readonly data; minimize chip reads */
-	ehci->hcs_params = readl(&ehci->caps->hcs_params);
 
 	/* switch to host mode */
 	hcd->has_tt = 1;
-	ehci_reset(ehci);
-
-	retval = ehci_halt(ehci);
-	if (retval)
-		return retval;
 
-	/* data structure init */
-	retval = ehci_init(hcd);
+	retval = ehci_setup(hcd);
 	if (retval)
 		return retval;
 
-	ehci->sbrn = 0x20;
-
 	ehci_port_power(ehci, 1);
 	return retval;
 }
@@ -460,12 +445,11 @@ static int controller_suspend(struct device *dev)
 	if (time_before(jiffies, ehci->next_statechange))
 		msleep(10);
 
-	spin_lock_irqsave(&ehci->lock, flags);
+	ehci_halt(ehci);
 
+	spin_lock_irqsave(&ehci->lock, flags);
 	tegra->port_speed = (readl(&hw->port_status[0]) >> 26) & 0x3;
-	ehci_halt(ehci);
 	clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
-
 	spin_unlock_irqrestore(&ehci->lock, flags);
 
 	tegra_ehci_power_down(hcd);
@@ -671,7 +655,7 @@ static int tegra_ehci_probe(struct platform_device *pdev)
 		goto fail_clk;
 	}
 
-	err = clk_enable(tegra->clk);
+	err = clk_prepare_enable(tegra->clk);
 	if (err)
 		goto fail_clken;
 
@@ -682,7 +666,7 @@ static int tegra_ehci_probe(struct platform_device *pdev)
 		goto fail_emc_clk;
 	}
 
-	clk_enable(tegra->emc_clk);
+	clk_prepare_enable(tegra->emc_clk);
 	clk_set_rate(tegra->emc_clk, 400000000);
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -749,8 +733,8 @@ static int tegra_ehci_probe(struct platform_device *pdev)
 
 #ifdef CONFIG_USB_OTG_UTILS
 	if (pdata->operating_mode == TEGRA_USB_OTG) {
-		tegra->transceiver = usb_get_transceiver();
-		if (tegra->transceiver)
+		tegra->transceiver = usb_get_phy(USB_PHY_TYPE_USB2);
+		if (!IS_ERR_OR_NULL(tegra->transceiver))
 			otg_set_host(tegra->transceiver->otg, &hcd->self);
 	}
 #endif
@@ -773,19 +757,19 @@ static int tegra_ehci_probe(struct platform_device *pdev)
 
 fail:
 #ifdef CONFIG_USB_OTG_UTILS
-	if (tegra->transceiver) {
+	if (!IS_ERR_OR_NULL(tegra->transceiver)) {
 		otg_set_host(tegra->transceiver->otg, NULL);
-		usb_put_transceiver(tegra->transceiver);
+		usb_put_phy(tegra->transceiver);
 	}
 #endif
 	tegra_usb_phy_close(tegra->phy);
 fail_phy:
 	iounmap(hcd->regs);
 fail_io:
-	clk_disable(tegra->emc_clk);
+	clk_disable_unprepare(tegra->emc_clk);
 	clk_put(tegra->emc_clk);
 fail_emc_clk:
-	clk_disable(tegra->clk);
+	clk_disable_unprepare(tegra->clk);
 fail_clken:
 	clk_put(tegra->clk);
 fail_clk:
@@ -808,9 +792,9 @@ static int tegra_ehci_remove(struct platform_device *pdev)
 	pm_runtime_put_noidle(&pdev->dev);
 
 #ifdef CONFIG_USB_OTG_UTILS
-	if (tegra->transceiver) {
+	if (!IS_ERR_OR_NULL(tegra->transceiver)) {
 		otg_set_host(tegra->transceiver->otg, NULL);
-		usb_put_transceiver(tegra->transceiver);
+		usb_put_phy(tegra->transceiver);
 	}
 #endif
 
@@ -820,10 +804,10 @@ static int tegra_ehci_remove(struct platform_device *pdev)
 	tegra_usb_phy_close(tegra->phy);
 	iounmap(hcd->regs);
 
-	clk_disable(tegra->clk);
+	clk_disable_unprepare(tegra->clk);
 	clk_put(tegra->clk);
 
-	clk_disable(tegra->emc_clk);
+	clk_disable_unprepare(tegra->emc_clk);
 	clk_put(tegra->emc_clk);
 
 	kfree(tegra);