No Qualcomm SoC requires the "ehci-msm.c" code any more. So remove it.
Suggested-by: Stephen Boyd <sb...@codeaurora.org> Signed-off-by: Alex Elder <el...@linaro.org> Acked-by: Bjorn Andersson <bjorn.anders...@linaro.org> Acked-by: Andy Gross <andy.gr...@linaro.org> --- drivers/usb/host/Makefile | 1 - drivers/usb/host/ehci-msm.c | 265 -------------------------------------------- 2 files changed, 266 deletions(-) delete mode 100644 drivers/usb/host/ehci-msm.c diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index cf2691fffcc0..1645c549bdb1 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -39,7 +39,6 @@ obj-$(CONFIG_USB_EHCI_HCD_SPEAR) += ehci-spear.o obj-$(CONFIG_USB_EHCI_HCD_STI) += ehci-st.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 obj-$(CONFIG_USB_W90X900_EHCI) += ehci-w90x900.o diff --git a/drivers/usb/host/ehci-msm.c b/drivers/usb/host/ehci-msm.c deleted file mode 100644 index 2f8d3af811ce..000000000000 --- a/drivers/usb/host/ehci-msm.c +++ /dev/null @@ -1,265 +0,0 @@ -/* ehci-msm.c - HSUSB Host Controller Driver Implementation - * - * Copyright (c) 2008-2011, Code Aurora Forum. All rights reserved. - * - * Partly derived from ehci-fsl.c and ehci-hcd.c - * Copyright (c) 2000-2004 by David Brownell - * Copyright (c) 2005 MontaVista Software - * - * All source code in this file is licensed under the following license except - * where indicated. - * - * 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, you can find it at http://www.fsf.org - */ - -#include <linux/clk.h> -#include <linux/err.h> -#include <linux/io.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/pm_runtime.h> -#include <linux/usb/otg.h> -#include <linux/usb/msm_hsusb_hw.h> -#include <linux/usb.h> -#include <linux/usb/hcd.h> -#include <linux/acpi.h> - -#include "ehci.h" - -#define MSM_USB_BASE (hcd->regs) - -#define DRIVER_DESC "Qualcomm On-Chip EHCI Host Controller" - -static const char hcd_name[] = "ehci-msm"; -static struct hc_driver __read_mostly msm_hc_driver; - -static int ehci_msm_reset(struct usb_hcd *hcd) -{ - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int retval; - - ehci->caps = USB_CAPLENGTH; - hcd->has_tt = 1; - - retval = ehci_setup(hcd); - if (retval) - return retval; - - /* select ULPI phy and clear other status/control bits in PORTSC */ - writel(PORTSC_PTS_ULPI, USB_PORTSC); - /* bursts of unspecified length. */ - writel(0, USB_AHBBURST); - /* Use the AHB transactor, allow posted data writes */ - writel(0x8, USB_AHBMODE); - /* Disable streaming mode and select host mode */ - writel(0x13, USB_USBMODE); - /* Disable ULPI_TX_PKT_EN_CLR_FIX which is valid only for HSIC */ - writel(readl(USB_GENCONFIG_2) & ~ULPI_TX_PKT_EN_CLR_FIX, USB_GENCONFIG_2); - - return 0; -} - -static int ehci_msm_probe(struct platform_device *pdev) -{ - struct usb_hcd *hcd; - struct resource *res; - struct usb_phy *phy; - int ret; - - dev_dbg(&pdev->dev, "ehci_msm proble\n"); - - hcd = usb_create_hcd(&msm_hc_driver, &pdev->dev, dev_name(&pdev->dev)); - if (!hcd) { - dev_err(&pdev->dev, "Unable to create HCD\n"); - return -ENOMEM; - } - - ret = platform_get_irq(pdev, 0); - if (ret < 0) { - dev_err(&pdev->dev, "Unable to get IRQ resource\n"); - goto put_hcd; - } - hcd->irq = ret; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "Unable to get memory resource\n"); - ret = -ENODEV; - goto put_hcd; - } - - hcd->rsrc_start = res->start; - hcd->rsrc_len = resource_size(res); - hcd->regs = devm_ioremap(&pdev->dev, hcd->rsrc_start, hcd->rsrc_len); - if (!hcd->regs) { - dev_err(&pdev->dev, "ioremap failed\n"); - ret = -ENOMEM; - goto put_hcd; - } - - /* - * If there is an OTG driver, let it take care of PHY initialization, - * clock management, powering up VBUS, mapping of registers address - * space and power management. - */ - if (pdev->dev.of_node) - phy = devm_usb_get_phy_by_phandle(&pdev->dev, "usb-phy", 0); - else - phy = devm_usb_get_phy(&pdev->dev, USB_PHY_TYPE_USB2); - - if (IS_ERR(phy)) { - if (PTR_ERR(phy) == -EPROBE_DEFER) { - dev_err(&pdev->dev, "unable to find transceiver\n"); - ret = -EPROBE_DEFER; - goto put_hcd; - } - phy = NULL; - } - - hcd->usb_phy = phy; - device_init_wakeup(&pdev->dev, 1); - - if (phy && phy->otg) { - /* - * MSM OTG driver takes care of adding the HCD and - * placing hardware into low power mode via runtime PM. - */ - ret = otg_set_host(phy->otg, &hcd->self); - if (ret < 0) { - dev_err(&pdev->dev, "unable to register with transceiver\n"); - goto put_hcd; - } - - pm_runtime_no_callbacks(&pdev->dev); - pm_runtime_enable(&pdev->dev); - } else { - ret = usb_add_hcd(hcd, hcd->irq, IRQF_SHARED); - if (ret) - goto put_hcd; - } - - return 0; - -put_hcd: - usb_put_hcd(hcd); - - return ret; -} - -static int ehci_msm_remove(struct platform_device *pdev) -{ - struct usb_hcd *hcd = platform_get_drvdata(pdev); - - device_init_wakeup(&pdev->dev, 0); - pm_runtime_disable(&pdev->dev); - pm_runtime_set_suspended(&pdev->dev); - - if (hcd->usb_phy && hcd->usb_phy->otg) - otg_set_host(hcd->usb_phy->otg, NULL); - else - usb_remove_hcd(hcd); - - usb_put_hcd(hcd); - - return 0; -} - -#ifdef CONFIG_PM -static int ehci_msm_pm_suspend(struct device *dev) -{ - struct usb_hcd *hcd = dev_get_drvdata(dev); - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - bool do_wakeup = device_may_wakeup(dev); - - dev_dbg(dev, "ehci-msm PM suspend\n"); - - /* Only call ehci_suspend if ehci_setup has been done */ - if (ehci->sbrn) - return ehci_suspend(hcd, do_wakeup); - - return 0; -} - -static int ehci_msm_pm_resume(struct device *dev) -{ - struct usb_hcd *hcd = dev_get_drvdata(dev); - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - - dev_dbg(dev, "ehci-msm PM resume\n"); - - /* Only call ehci_resume if ehci_setup has been done */ - if (ehci->sbrn) - ehci_resume(hcd, false); - - return 0; -} - -#else -#define ehci_msm_pm_suspend NULL -#define ehci_msm_pm_resume NULL -#endif - -static const struct dev_pm_ops ehci_msm_dev_pm_ops = { - .suspend = ehci_msm_pm_suspend, - .resume = ehci_msm_pm_resume, -}; - -static const struct acpi_device_id msm_ehci_acpi_ids[] = { - { "QCOM8040", 0 }, - { } -}; -MODULE_DEVICE_TABLE(acpi, msm_ehci_acpi_ids); - -static const struct of_device_id msm_ehci_dt_match[] = { - { .compatible = "qcom,ehci-host", }, - {} -}; -MODULE_DEVICE_TABLE(of, msm_ehci_dt_match); - -static struct platform_driver ehci_msm_driver = { - .probe = ehci_msm_probe, - .remove = ehci_msm_remove, - .shutdown = usb_hcd_platform_shutdown, - .driver = { - .name = "msm_hsusb_host", - .pm = &ehci_msm_dev_pm_ops, - .of_match_table = msm_ehci_dt_match, - .acpi_match_table = ACPI_PTR(msm_ehci_acpi_ids), - }, -}; - -static const struct ehci_driver_overrides msm_overrides __initconst = { - .reset = ehci_msm_reset, -}; - -static int __init ehci_msm_init(void) -{ - if (usb_disabled()) - return -ENODEV; - - pr_info("%s: " DRIVER_DESC "\n", hcd_name); - ehci_init_driver(&msm_hc_driver, &msm_overrides); - return platform_driver_register(&ehci_msm_driver); -} -module_init(ehci_msm_init); - -static void __exit ehci_msm_cleanup(void) -{ - platform_driver_unregister(&ehci_msm_driver); -} -module_exit(ehci_msm_cleanup); - -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_ALIAS("platform:msm-ehci"); -MODULE_LICENSE("GPL"); -- 2.11.0
