USB: OHCI: remove old SSB OHCI driver

This is now replaced by the new ssb USB driver, which also supports
devices with an EHCI controller.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

3 files changed, 7 insertions, 281 deletions

diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 2fc5637c4c1f..00b6fc81c80e 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -373,10 +373,15 @@ config USB_OHCI_HCD_PCI
           If unsure, say Y.
 
 config USB_OHCI_HCD_SSB
-        bool "OHCI support for Broadcom SSB OHCI core"
+        bool "OHCI support for Broadcom SSB OHCI core (DEPRECATED)"
         depends on USB_OHCI_HCD && (SSB = y || SSB = USB_OHCI_HCD) && EXPERIMENTAL
+        select USB_HCD_SSB
+        select USB_OHCI_HCD_PLATFORM
         default n
         ---help---
+          This option is deprecated now and the driver was removed, use
+          USB_HCD_SSB and USB_OHCI_HCD_PLATFORM instead.
+
           Support for the Sonics Silicon Backplane (SSB) attached
           Broadcom USB OHCI core.
 
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 235171f29460..e0adf5c0cf55 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -1080,11 +1080,6 @@ MODULE_LICENSE ("GPL");
 #define PS3_SYSTEM_BUS_DRIVER   ps3_ohci_driver
 #endif
 
-#ifdef CONFIG_USB_OHCI_HCD_SSB
-#include "ohci-ssb.c"
-#define SSB_OHCI_DRIVER         ssb_ohci_driver
-#endif
-
 #ifdef CONFIG_MFD_SM501
 #include "ohci-sm501.c"
 #define SM501_OHCI_DRIVER       ohci_hcd_sm501_driver
@@ -1128,8 +1123,7 @@ MODULE_LICENSE ("GPL");
         !defined(SA1111_DRIVER) &&      \
         !defined(PS3_SYSTEM_BUS_DRIVER) && \
         !defined(SM501_OHCI_DRIVER) && \
-        !defined(TMIO_OHCI_DRIVER) && \
-        !defined(SSB_OHCI_DRIVER)
+        !defined(TMIO_OHCI_DRIVER)
 #error "missing bus glue for ohci-hcd"
 #endif
 
@@ -1195,12 +1189,6 @@ static int __init ohci_hcd_mod_init(void)
                 goto error_pci;
 #endif
 
-#ifdef SSB_OHCI_DRIVER
-        retval = ssb_driver_register(&SSB_OHCI_DRIVER);
-        if (retval)
-                goto error_ssb;
-#endif
-
 #ifdef SM501_OHCI_DRIVER
         retval = platform_driver_register(&SM501_OHCI_DRIVER);
         if (retval < 0)
@@ -1224,10 +1212,6 @@ static int __init ohci_hcd_mod_init(void)
         platform_driver_unregister(&SM501_OHCI_DRIVER);
  error_sm501:
 #endif
-#ifdef SSB_OHCI_DRIVER
-        ssb_driver_unregister(&SSB_OHCI_DRIVER);
- error_ssb:
-#endif
 #ifdef PCI_DRIVER
         pci_unregister_driver(&PCI_DRIVER);
  error_pci:
@@ -1275,9 +1259,6 @@ static void __exit ohci_hcd_mod_exit(void)
 #ifdef SM501_OHCI_DRIVER
         platform_driver_unregister(&SM501_OHCI_DRIVER);
 #endif
-#ifdef SSB_OHCI_DRIVER
-        ssb_driver_unregister(&SSB_OHCI_DRIVER);
-#endif
 #ifdef PCI_DRIVER
         pci_unregister_driver(&PCI_DRIVER);
 #endif
diff --git a/drivers/usb/host/ohci-ssb.c b/drivers/usb/host/ohci-ssb.c
deleted file mode 100644
index 5ba18595d6f7..000000000000
--- a/drivers/usb/host/ohci-ssb.c
+++ /dev/null
@@ -1,260 +0,0 @@
-/*
- * Sonics Silicon Backplane
- * Broadcom USB-core OHCI driver
- *
- * Copyright 2007 Michael Buesch <m@bues.ch>
- *
- * Derived from the OHCI-PCI driver
- * Copyright 1999 Roman Weissgaerber
- * Copyright 2000-2002 David Brownell
- * Copyright 1999 Linus Torvalds
- * Copyright 1999 Gregory P. Smith
- *
- * Derived from the USBcore related parts of Broadcom-SB
- * Copyright 2005 Broadcom Corporation
- *
- * Licensed under the GNU/GPL. See COPYING for details.
- */
-#include <linux/ssb/ssb.h>
-
-
-#define SSB_OHCI_TMSLOW_HOSTMODE        (1 << 29)
-
-struct ssb_ohci_device {
-        struct ohci_hcd ohci; /* _must_ be at the beginning. */
-
-        u32 enable_flags;
-};
-
-static inline
-struct ssb_ohci_device *hcd_to_ssb_ohci(struct usb_hcd *hcd)
-{
-        return (struct ssb_ohci_device *)(hcd->hcd_priv);
-}
-
-
-static int ssb_ohci_reset(struct usb_hcd *hcd)
-{
-        struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd);
-        struct ohci_hcd *ohci = &ohcidev->ohci;
-        int err;
-
-        ohci_hcd_init(ohci);
-        err = ohci_init(ohci);
-
-        return err;
-}
-
-static int ssb_ohci_start(struct usb_hcd *hcd)
-{
-        struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd);
-        struct ohci_hcd *ohci = &ohcidev->ohci;
-        int err;
-
-        err = ohci_run(ohci);
-        if (err < 0) {
-                ohci_err(ohci, "can't start\n");
-                ohci_stop(hcd);
-        }
-
-        return err;
-}
-
-static const struct hc_driver ssb_ohci_hc_driver = {
-        .description            = "ssb-usb-ohci",
-        .product_desc           = "SSB OHCI Controller",
-        .hcd_priv_size          = sizeof(struct ssb_ohci_device),
-
-        .irq                    = ohci_irq,
-        .flags                  = HCD_MEMORY | HCD_USB11,
-
-        .reset                  = ssb_ohci_reset,
-        .start                  = ssb_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 void ssb_ohci_detach(struct ssb_device *dev)
-{
-        struct usb_hcd *hcd = ssb_get_drvdata(dev);
-
-        if (hcd->driver->shutdown)
-                hcd->driver->shutdown(hcd);
-        usb_remove_hcd(hcd);
-        iounmap(hcd->regs);
-        release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-        usb_put_hcd(hcd);
-        ssb_device_disable(dev, 0);
-}
-
-static int ssb_ohci_attach(struct ssb_device *dev)
-{
-        struct ssb_ohci_device *ohcidev;
-        struct usb_hcd *hcd;
-        int err = -ENOMEM;
-        u32 tmp, flags = 0;
-
-        if (dma_set_mask(dev->dma_dev, DMA_BIT_MASK(32)) ||
-            dma_set_coherent_mask(dev->dma_dev, DMA_BIT_MASK(32)))
-                return -EOPNOTSUPP;
-
-        if (dev->id.coreid == SSB_DEV_USB11_HOSTDEV) {
-                /* Put the device into host-mode. */
-                flags |= SSB_OHCI_TMSLOW_HOSTMODE;
-                ssb_device_enable(dev, flags);
-        } else if (dev->id.coreid == SSB_DEV_USB20_HOST) {
-                /*
-                 * USB 2.0 special considerations:
-                 *
-                 * In addition to the standard SSB reset sequence, the Host
-                 * Control Register must be programmed to bring the USB core
-                 * and various phy components out of reset.
-                 */
-                ssb_device_enable(dev, 0);
-                ssb_write32(dev, 0x200, 0x7ff);
-
-                /* Change Flush control reg */
-                tmp = ssb_read32(dev, 0x400);
-                tmp &= ~8;
-                ssb_write32(dev, 0x400, tmp);
-                tmp = ssb_read32(dev, 0x400);
-
-                /* Change Shim control reg */
-                tmp = ssb_read32(dev, 0x304);
-                tmp &= ~0x100;
-                ssb_write32(dev, 0x304, tmp);
-                tmp = ssb_read32(dev, 0x304);
-
-                udelay(1);
-
-                /* Work around for 5354 failures */
-                if (dev->id.revision == 2 && dev->bus->chip_id == 0x5354) {
-                        /* Change syn01 reg */
-                        tmp = 0x00fe00fe;
-                        ssb_write32(dev, 0x894, tmp);
-
-                        /* Change syn03 reg */
-                        tmp = ssb_read32(dev, 0x89c);
-                        tmp |= 0x1;
-                        ssb_write32(dev, 0x89c, tmp);
-                }
-        } else
-                ssb_device_enable(dev, 0);
-
-        hcd = usb_create_hcd(&ssb_ohci_hc_driver, dev->dev,
-                        dev_name(dev->dev));
-        if (!hcd)
-                goto err_dev_disable;
-        ohcidev = hcd_to_ssb_ohci(hcd);
-        ohcidev->enable_flags = flags;
-
-        tmp = ssb_read32(dev, SSB_ADMATCH0);
-        hcd->rsrc_start = ssb_admatch_base(tmp);
-        hcd->rsrc_len = ssb_admatch_size(tmp);
-        hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len);
-        if (!hcd->regs)
-                goto err_put_hcd;
-        err = usb_add_hcd(hcd, dev->irq, IRQF_SHARED);
-        if (err)
-                goto err_iounmap;
-
-        ssb_set_drvdata(dev, hcd);
-
-        return err;
-
-err_iounmap:
-        iounmap(hcd->regs);
-err_put_hcd:
-        usb_put_hcd(hcd);
-err_dev_disable:
-        ssb_device_disable(dev, flags);
-        return err;
-}
-
-static int ssb_ohci_probe(struct ssb_device *dev,
-                const struct ssb_device_id *id)
-{
-        int err;
-        u16 chipid_top;
-
-        /* USBcores are only connected on embedded devices. */
-        chipid_top = (dev->bus->chip_id & 0xFF00);
-        if (chipid_top != 0x4700 && chipid_top != 0x5300)
-                return -ENODEV;
-
-        /* TODO: Probably need checks here; is the core connected? */
-
-        if (usb_disabled())
-                return -ENODEV;
-
-        /* We currently always attach SSB_DEV_USB11_HOSTDEV
-         * as HOST OHCI. If we want to attach it as Client device,
-         * we must branch here and call into the (yet to
-         * be written) Client mode driver. Same for remove(). */
-
-        err = ssb_ohci_attach(dev);
-
-        return err;
-}
-
-static void ssb_ohci_remove(struct ssb_device *dev)
-{
-        ssb_ohci_detach(dev);
-}
-
-#ifdef CONFIG_PM
-
-static int ssb_ohci_suspend(struct ssb_device *dev, pm_message_t state)
-{
-        ssb_device_disable(dev, 0);
-
-        return 0;
-}
-
-static int ssb_ohci_resume(struct ssb_device *dev)
-{
-        struct usb_hcd *hcd = ssb_get_drvdata(dev);
-        struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd);
-
-        ssb_device_enable(dev, ohcidev->enable_flags);
-
-        ohci_finish_controller_resume(hcd);
-        return 0;
-}
-
-#else /* !CONFIG_PM */
-#define ssb_ohci_suspend        NULL
-#define ssb_ohci_resume NULL
-#endif /* CONFIG_PM */
-
-static const struct ssb_device_id ssb_ohci_table[] = {
-        SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOSTDEV, SSB_ANY_REV),
-        SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOST, SSB_ANY_REV),
-        SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB20_HOST, SSB_ANY_REV),
-        SSB_DEVTABLE_END
-};
-MODULE_DEVICE_TABLE(ssb, ssb_ohci_table);
-
-static struct ssb_driver ssb_ohci_driver = {
-        .name           = KBUILD_MODNAME,
-        .id_table       = ssb_ohci_table,
-        .probe          = ssb_ohci_probe,
-        .remove         = ssb_ohci_remove,
-        .suspend        = ssb_ohci_suspend,
-        .resume         = ssb_ohci_resume,
-};