USB: host: Rename ehci-s5p to ehci-exynos

Currently, Samsung is using 'EXYNOS' as the name of Samsung SoCs.
Thus, ehci-exynos is preferred than ehci-s5p.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

3 files changed, 69 insertions, 70 deletions

diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 70cb1a94beff..80e72fba01f4 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -203,12 +203,11 @@ config USB_EHCI_SH
           Enables support for the on-chip EHCI controller on the SuperH.
           If you use the PCI EHCI controller, this option is not necessary.
 
-config USB_EHCI_S5P
+config USB_EHCI_EXYNOS
        tristate "EHCI support for Samsung S5P/EXYNOS SoC Series"
        depends on PLAT_S5P || ARCH_EXYNOS
        help
-        Enable support for the Samsung S5Pxxxx and Exynos3/4/5 SOC's
-        on-chip EHCI controller.
+        Enable support for the Samsung Exynos SOC's on-chip EHCI controller.
 
 config USB_EHCI_MV
         bool "EHCI support for Marvell PXA/MMP USB controller"
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index 0b9fdeecf683..9dc11c2ee454 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -34,7 +34,7 @@ obj-$(CONFIG_USB_EHCI_MXC)	+= ehci-mxc.o
 obj-$(CONFIG_USB_EHCI_HCD_OMAP) += ehci-omap.o
 obj-$(CONFIG_USB_EHCI_HCD_ORION)        += ehci-orion.o
 obj-$(CONFIG_USB_EHCI_HCD_SPEAR)        += ehci-spear.o
-obj-$(CONFIG_USB_EHCI_S5P)      += ehci-s5p.o
+obj-$(CONFIG_USB_EHCI_EXYNOS)   += ehci-exynos.o
 obj-$(CONFIG_USB_EHCI_HCD_AT91) += ehci-atmel.o
 obj-$(CONFIG_USB_EHCI_MSM)      += ehci-msm.o
 obj-$(CONFIG_USB_EHCI_TEGRA)    += ehci-tegra.o
diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-exynos.c
index 45e1ad3f56b2..016352e0f5a7 100644
--- a/drivers/usb/host/ehci-s5p.c
+++ b/drivers/usb/host/ehci-exynos.c
@@ -1,5 +1,5 @@
 /*
- * SAMSUNG S5P USB HOST EHCI Controller
+ * SAMSUNG EXYNOS USB HOST EHCI Controller
  *
  * Copyright (C) 2011 Samsung Electronics Co.Ltd
  * Author: Jingoo Han <jg1.han@samsung.com>
@@ -28,7 +28,7 @@
 
 #include "ehci.h"
 
-#define DRIVER_DESC "EHCI s5p driver"
+#define DRIVER_DESC "EHCI EXYNOS driver"
 
 #define EHCI_INSNREG00(base)                    (base + 0x90)
 #define EHCI_INSNREG00_ENA_INCR16               (0x1 << 25)
@@ -39,18 +39,18 @@
         (EHCI_INSNREG00_ENA_INCR16 | EHCI_INSNREG00_ENA_INCR8 | \
          EHCI_INSNREG00_ENA_INCR4 | EHCI_INSNREG00_ENA_INCRX_ALIGN)
 
-static const char hcd_name[] = "ehci-s5p";
-static struct hc_driver __read_mostly s5p_ehci_hc_driver;
+static const char hcd_name[] = "ehci-exynos";
+static struct hc_driver __read_mostly exynos_ehci_hc_driver;
 
-struct s5p_ehci_hcd {
+struct exynos_ehci_hcd {
         struct clk *clk;
         struct usb_phy *phy;
         struct usb_otg *otg;
 };
 
-#define to_s5p_ehci(hcd)      (struct s5p_ehci_hcd *)(hcd_to_ehci(hcd)->priv)
+#define to_exynos_ehci(hcd) (struct exynos_ehci_hcd *)(hcd_to_ehci(hcd)->priv)
 
-static void s5p_setup_vbus_gpio(struct platform_device *pdev)
+static void exynos_setup_vbus_gpio(struct platform_device *pdev)
 {
         struct device *dev = &pdev->dev;
         int err;
@@ -69,9 +69,9 @@ static void s5p_setup_vbus_gpio(struct platform_device *pdev)
                 dev_err(dev, "can't request ehci vbus gpio %d", gpio);
 }
 
-static int s5p_ehci_probe(struct platform_device *pdev)
+static int exynos_ehci_probe(struct platform_device *pdev)
 {
-        struct s5p_ehci_hcd *s5p_ehci;
+        struct exynos_ehci_hcd *exynos_ehci;
         struct usb_hcd *hcd;
         struct ehci_hcd *ehci;
         struct resource *res;
@@ -89,15 +89,15 @@ static int s5p_ehci_probe(struct platform_device *pdev)
         if (!pdev->dev.coherent_dma_mask)
                 pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
 
-        s5p_setup_vbus_gpio(pdev);
+        exynos_setup_vbus_gpio(pdev);
 
-        hcd = usb_create_hcd(&s5p_ehci_hc_driver,
+        hcd = usb_create_hcd(&exynos_ehci_hc_driver,
                              &pdev->dev, dev_name(&pdev->dev));
         if (!hcd) {
                 dev_err(&pdev->dev, "Unable to create HCD\n");
                 return -ENOMEM;
         }
-        s5p_ehci = to_s5p_ehci(hcd);
+        exynos_ehci = to_exynos_ehci(hcd);
 
         if (of_device_is_compatible(pdev->dev.of_node,
                                         "samsung,exynos5440-ehci"))
@@ -109,21 +109,21 @@ static int s5p_ehci_probe(struct platform_device *pdev)
                 dev_warn(&pdev->dev, "no platform data or transceiver defined\n");
                 return -EPROBE_DEFER;
         } else {
-                s5p_ehci->phy = phy;
-                s5p_ehci->otg = phy->otg;
+                exynos_ehci->phy = phy;
+                exynos_ehci->otg = phy->otg;
         }
 
 skip_phy:
 
-        s5p_ehci->clk = devm_clk_get(&pdev->dev, "usbhost");
+        exynos_ehci->clk = devm_clk_get(&pdev->dev, "usbhost");
 
-        if (IS_ERR(s5p_ehci->clk)) {
+        if (IS_ERR(exynos_ehci->clk)) {
                 dev_err(&pdev->dev, "Failed to get usbhost clock\n");
-                err = PTR_ERR(s5p_ehci->clk);
+                err = PTR_ERR(exynos_ehci->clk);
                 goto fail_clk;
         }
 
-        err = clk_prepare_enable(s5p_ehci->clk);
+        err = clk_prepare_enable(exynos_ehci->clk);
         if (err)
                 goto fail_clk;
 
@@ -150,11 +150,11 @@ skip_phy:
                 goto fail_io;
         }
 
-        if (s5p_ehci->otg)
-                s5p_ehci->otg->set_host(s5p_ehci->otg, &hcd->self);
+        if (exynos_ehci->otg)
+                exynos_ehci->otg->set_host(exynos_ehci->otg, &hcd->self);
 
-        if (s5p_ehci->phy)
-                usb_phy_init(s5p_ehci->phy);
+        if (exynos_ehci->phy)
+                usb_phy_init(exynos_ehci->phy);
 
         ehci = hcd_to_ehci(hcd);
         ehci->caps = hcd->regs;
@@ -173,29 +173,29 @@ skip_phy:
         return 0;
 
 fail_add_hcd:
-        if (s5p_ehci->phy)
-                usb_phy_shutdown(s5p_ehci->phy);
+        if (exynos_ehci->phy)
+                usb_phy_shutdown(exynos_ehci->phy);
 fail_io:
-        clk_disable_unprepare(s5p_ehci->clk);
+        clk_disable_unprepare(exynos_ehci->clk);
 fail_clk:
         usb_put_hcd(hcd);
         return err;
 }
 
-static int s5p_ehci_remove(struct platform_device *pdev)
+static int exynos_ehci_remove(struct platform_device *pdev)
 {
         struct usb_hcd *hcd = platform_get_drvdata(pdev);
-        struct s5p_ehci_hcd *s5p_ehci = to_s5p_ehci(hcd);
+        struct exynos_ehci_hcd *exynos_ehci = to_exynos_ehci(hcd);
 
         usb_remove_hcd(hcd);
 
-        if (s5p_ehci->otg)
-                s5p_ehci->otg->set_host(s5p_ehci->otg, &hcd->self);
+        if (exynos_ehci->otg)
+                exynos_ehci->otg->set_host(exynos_ehci->otg, &hcd->self);
 
-        if (s5p_ehci->phy)
-                usb_phy_shutdown(s5p_ehci->phy);
+        if (exynos_ehci->phy)
+                usb_phy_shutdown(exynos_ehci->phy);
 
-        clk_disable_unprepare(s5p_ehci->clk);
+        clk_disable_unprepare(exynos_ehci->clk);
 
         usb_put_hcd(hcd);
 
@@ -203,39 +203,39 @@ static int s5p_ehci_remove(struct platform_device *pdev)
 }
 
 #ifdef CONFIG_PM
-static int s5p_ehci_suspend(struct device *dev)
+static int exynos_ehci_suspend(struct device *dev)
 {
         struct usb_hcd *hcd = dev_get_drvdata(dev);
-        struct s5p_ehci_hcd *s5p_ehci = to_s5p_ehci(hcd);
+        struct exynos_ehci_hcd *exynos_ehci = to_exynos_ehci(hcd);
 
         bool do_wakeup = device_may_wakeup(dev);
         int rc;
 
         rc = ehci_suspend(hcd, do_wakeup);
 
-        if (s5p_ehci->otg)
-                s5p_ehci->otg->set_host(s5p_ehci->otg, &hcd->self);
+        if (exynos_ehci->otg)
+                exynos_ehci->otg->set_host(exynos_ehci->otg, &hcd->self);
 
-        if (s5p_ehci->phy)
-                usb_phy_shutdown(s5p_ehci->phy);
+        if (exynos_ehci->phy)
+                usb_phy_shutdown(exynos_ehci->phy);
 
-        clk_disable_unprepare(s5p_ehci->clk);
+        clk_disable_unprepare(exynos_ehci->clk);
 
         return rc;
 }
 
-static int s5p_ehci_resume(struct device *dev)
+static int exynos_ehci_resume(struct device *dev)
 {
         struct usb_hcd *hcd = dev_get_drvdata(dev);
-        struct  s5p_ehci_hcd *s5p_ehci = to_s5p_ehci(hcd);
+        struct exynos_ehci_hcd *exynos_ehci = to_exynos_ehci(hcd);
 
-        clk_prepare_enable(s5p_ehci->clk);
+        clk_prepare_enable(exynos_ehci->clk);
 
-        if (s5p_ehci->otg)
-                s5p_ehci->otg->set_host(s5p_ehci->otg, &hcd->self);
+        if (exynos_ehci->otg)
+                exynos_ehci->otg->set_host(exynos_ehci->otg, &hcd->self);
 
-        if (s5p_ehci->phy)
-                usb_phy_init(s5p_ehci->phy);
+        if (exynos_ehci->phy)
+                usb_phy_init(exynos_ehci->phy);
 
         /* DMA burst Enable */
         writel(EHCI_INSNREG00_ENABLE_DMA_BURST, EHCI_INSNREG00(hcd->regs));
@@ -244,13 +244,13 @@ static int s5p_ehci_resume(struct device *dev)
         return 0;
 }
 #else
-#define s5p_ehci_suspend        NULL
-#define s5p_ehci_resume         NULL
+#define exynos_ehci_suspend     NULL
+#define exynos_ehci_resume      NULL
 #endif
 
-static const struct dev_pm_ops s5p_ehci_pm_ops = {
-        .suspend        = s5p_ehci_suspend,
-        .resume         = s5p_ehci_resume,
+static const struct dev_pm_ops exynos_ehci_pm_ops = {
+        .suspend        = exynos_ehci_suspend,
+        .resume         = exynos_ehci_resume,
 };
 
 #ifdef CONFIG_OF
@@ -262,40 +262,40 @@ static const struct of_device_id exynos_ehci_match[] = {
 MODULE_DEVICE_TABLE(of, exynos_ehci_match);
 #endif
 
-static struct platform_driver s5p_ehci_driver = {
-        .probe          = s5p_ehci_probe,
-        .remove         = s5p_ehci_remove,
+static struct platform_driver exynos_ehci_driver = {
+        .probe          = exynos_ehci_probe,
+        .remove         = exynos_ehci_remove,
         .shutdown       = usb_hcd_platform_shutdown,
         .driver = {
-                .name   = "s5p-ehci",
+                .name   = "exynos-ehci",
                 .owner  = THIS_MODULE,
-                .pm     = &s5p_ehci_pm_ops,
+                .pm     = &exynos_ehci_pm_ops,
                 .of_match_table = of_match_ptr(exynos_ehci_match),
         }
 };
-static const struct ehci_driver_overrides s5p_overrides __initdata = {
-        .extra_priv_size = sizeof(struct s5p_ehci_hcd),
+static const struct ehci_driver_overrides exynos_overrides __initdata = {
+        .extra_priv_size = sizeof(struct exynos_ehci_hcd),
 };
 
-static int __init ehci_s5p_init(void)
+static int __init ehci_exynos_init(void)
 {
         if (usb_disabled())
                 return -ENODEV;
 
         pr_info("%s: " DRIVER_DESC "\n", hcd_name);
-        ehci_init_driver(&s5p_ehci_hc_driver, &s5p_overrides);
-        return platform_driver_register(&s5p_ehci_driver);
+        ehci_init_driver(&exynos_ehci_hc_driver, &exynos_overrides);
+        return platform_driver_register(&exynos_ehci_driver);
 }
-module_init(ehci_s5p_init);
+module_init(ehci_exynos_init);
 
-static void __exit ehci_s5p_cleanup(void)
+static void __exit ehci_exynos_cleanup(void)
 {
-        platform_driver_unregister(&s5p_ehci_driver);
+        platform_driver_unregister(&exynos_ehci_driver);
 }
-module_exit(ehci_s5p_cleanup);
+module_exit(ehci_exynos_cleanup);
 
 MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_ALIAS("platform:s5p-ehci");
+MODULE_ALIAS("platform:exynos-ehci");
 MODULE_AUTHOR("Jingoo Han");
 MODULE_AUTHOR("Joonyoung Shim");
 MODULE_LICENSE("GPL v2");