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Commit 29824c16 authored by Jingoo Han's avatar Jingoo Han Committed by Greg Kroah-Hartman
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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: default avatarJingoo Han <jg1.han@samsung.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 57ae1605
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+2 −3
Original line number Diff line number Diff line
@@ -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"
+1 −1
Original line number Diff line number Diff line
@@ -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
+66 −66
Original line number Diff line number Diff line
/*
 * 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");