USB: OHCI: remove CNS3xxx OHCI platform driver

All users have been converted to use the OHCI platform driver instead, thus
making ohci-cns3xxx, so remove it.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

3 files changed, 5 insertions, 172 deletions

diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index d21c0070b05f..e43c9c8c185d 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -400,9 +400,13 @@ config USB_OHCI_EXYNOS
          Enable support for the Samsung Exynos SOC's on-chip OHCI controller.
 
 config USB_CNS3XXX_OHCI
-        bool "Cavium CNS3XXX OHCI Module"
+        bool "Cavium CNS3XXX OHCI Module (DEPRECATED)"
         depends on USB_OHCI_HCD && ARCH_CNS3XXX
+        select USB_OHCI_HCD_PLATFORM
         ---help---
+          This option is deprecated now and the driver was removed, use
+          USB_OHCI_HCD_PLATFORM instead.
+
           Enable support for the CNS3XXX SOC's on-chip OHCI controller.
           It is needed for low-speed USB 1.0 device support.
 
diff --git a/drivers/usb/host/ohci-cns3xxx.c b/drivers/usb/host/ohci-cns3xxx.c
deleted file mode 100644
index 2c9f233047be..000000000000
--- a/drivers/usb/host/ohci-cns3xxx.c
+++ /dev/null
@@ -1,166 +0,0 @@
-/*
- * Copyright 2008 Cavium Networks
- *
- * This file 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.
- */
-
-#include <linux/platform_device.h>
-#include <linux/atomic.h>
-#include <mach/cns3xxx.h>
-#include <mach/pm.h>
-
-static int __devinit
-cns3xxx_ohci_start(struct usb_hcd *hcd)
-{
-        struct ohci_hcd *ohci = hcd_to_ohci(hcd);
-        int ret;
-
-        /*
-         * EHCI and OHCI share the same clock and power,
-         * resetting twice would cause the 1st controller been reset.
-         * Therefore only do power up  at the first up device, and
-         * power down at the last down device.
-         *
-         * Set USB AHB INCR length to 16
-         */
-        if (atomic_inc_return(&usb_pwr_ref) == 1) {
-                cns3xxx_pwr_power_up(1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_PLL_USB);
-                cns3xxx_pwr_clk_en(1 << PM_CLK_GATE_REG_OFFSET_USB_HOST);
-                cns3xxx_pwr_soft_rst(1 << PM_SOFT_RST_REG_OFFST_USB_HOST);
-                __raw_writel((__raw_readl(MISC_CHIP_CONFIG_REG) | (0X2 << 24)),
-                        MISC_CHIP_CONFIG_REG);
-        }
-
-        ret = ohci_init(ohci);
-        if (ret < 0)
-                return ret;
-
-        ohci->num_ports = 1;
-
-        ret = ohci_run(ohci);
-        if (ret < 0) {
-                dev_err(hcd->self.controller, "can't start %s\n",
-                        hcd->self.bus_name);
-                ohci_stop(hcd);
-                return ret;
-        }
-        return 0;
-}
-
-static const struct hc_driver cns3xxx_ohci_hc_driver = {
-        .description            = hcd_name,
-        .product_desc           = "CNS3XXX OHCI Host controller",
-        .hcd_priv_size          = sizeof(struct ohci_hcd),
-        .irq                    = ohci_irq,
-        .flags                  = HCD_USB11 | HCD_MEMORY,
-        .start                  = cns3xxx_ohci_start,
-        .stop                   = ohci_stop,
-        .shutdown               = ohci_shutdown,
-        .urb_enqueue            = ohci_urb_enqueue,
-        .urb_dequeue            = ohci_urb_dequeue,
-        .endpoint_disable       = ohci_endpoint_disable,
-        .get_frame_number       = ohci_get_frame,
-        .hub_status_data        = ohci_hub_status_data,
-        .hub_control            = ohci_hub_control,
-#ifdef CONFIG_PM
-        .bus_suspend            = ohci_bus_suspend,
-        .bus_resume             = ohci_bus_resume,
-#endif
-        .start_port_reset       = ohci_start_port_reset,
-};
-
-static int cns3xxx_ohci_probe(struct platform_device *pdev)
-{
-        struct device *dev = &pdev->dev;
-        struct usb_hcd *hcd;
-        const struct hc_driver *driver = &cns3xxx_ohci_hc_driver;
-        struct resource *res;
-        int irq;
-        int retval;
-
-        if (usb_disabled())
-                return -ENODEV;
-
-        res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-        if (!res) {
-                dev_err(dev, "Found HC with no IRQ.\n");
-                return -ENODEV;
-        }
-        irq = res->start;
-
-        hcd = usb_create_hcd(driver, dev, dev_name(dev));
-        if (!hcd)
-                return -ENOMEM;
-
-        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        if (!res) {
-                dev_err(dev, "Found HC with no register addr.\n");
-                retval = -ENODEV;
-                goto err1;
-        }
-        hcd->rsrc_start = res->start;
-        hcd->rsrc_len = resource_size(res);
-
-        if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
-                        driver->description)) {
-                dev_dbg(dev, "controller already in use\n");
-                retval = -EBUSY;
-                goto err1;
-        }
-
-        hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
-        if (!hcd->regs) {
-                dev_dbg(dev, "error mapping memory\n");
-                retval = -EFAULT;
-                goto err2;
-        }
-
-        ohci_hcd_init(hcd_to_ohci(hcd));
-
-        retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
-        if (retval == 0)
-                return retval;
-
-        iounmap(hcd->regs);
-err2:
-        release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-err1:
-        usb_put_hcd(hcd);
-        return retval;
-}
-
-static int cns3xxx_ohci_remove(struct platform_device *pdev)
-{
-        struct usb_hcd *hcd = platform_get_drvdata(pdev);
-
-        usb_remove_hcd(hcd);
-        iounmap(hcd->regs);
-        release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-
-        /*
-         * EHCI and OHCI share the same clock and power,
-         * resetting twice would cause the 1st controller been reset.
-         * Therefore only do power up  at the first up device, and
-         * power down at the last down device.
-         */
-        if (atomic_dec_return(&usb_pwr_ref) == 0)
-                cns3xxx_pwr_clk_dis(1 << PM_CLK_GATE_REG_OFFSET_USB_HOST);
-
-        usb_put_hcd(hcd);
-
-        platform_set_drvdata(pdev, NULL);
-
-        return 0;
-}
-
-MODULE_ALIAS("platform:cns3xxx-ohci");
-
-static struct platform_driver ohci_hcd_cns3xxx_driver = {
-        .probe = cns3xxx_ohci_probe,
-        .remove = cns3xxx_ohci_remove,
-        .driver = {
-                .name = "cns3xxx-ohci",
-        },
-};
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index b8f2ead7e5c2..d35fc1e788dc 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -1196,11 +1196,6 @@ MODULE_LICENSE ("GPL");
 #define PLATFORM_DRIVER         ohci_hcd_tilegx_driver
 #endif
 
-#ifdef CONFIG_USB_CNS3XXX_OHCI
-#include "ohci-cns3xxx.c"
-#define PLATFORM_DRIVER         ohci_hcd_cns3xxx_driver
-#endif
-
 #ifdef CONFIG_CPU_XLR
 #include "ohci-xls.c"
 #define PLATFORM_DRIVER         ohci_xls_driver