Merge branch 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6

* 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (115 commits)
  EHCI: fix direction handling for interrupt data toggles
  USB: serial: add IDs for WinChipHead USB->RS232 adapter
  USB: OHCI: fix another regression for NVIDIA controllers
  usb: gadget: m66592-udc: add pullup function
  usb: gadget: m66592-udc: add function for external controller
  usb: gadget: r8a66597-udc: add pullup function
  usb: renesas_usbhs: support multi driver
  usb: renesas_usbhs: inaccessible pipe is not an error
  usb: renesas_usbhs: care buff alignment when dma handler
  USB: PL2303: correctly handle baudrates above 115200
  usb: r8a66597-hcd: fixup USB_PORT_STAT_C_SUSPEND shift
  usb: renesas_usbhs: compile/config are rescued
  usb: renesas_usbhs: fixup comment-out
  usb: update email address in ohci-sh and r8a66597-hcd
  usb: r8a66597-hcd: add function for external controller
  EHCI: only power off port if over-current is active
  USB: mon: Allow to use usbmon without debugfs
  USB: EHCI: go back to using the system clock for QH unlinks
  ehci: add pci quirk for Ordissimo and RM Slate 100 too
  ehci: refactor pci quirk to use standard dmi_check_system method
  ...

Fix up trivial conflicts in Documentation/feature-removal-schedule.txt

1 files changed, 32 insertions, 101 deletions

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index bcbd1aba961..20a28731c33 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -328,8 +328,6 @@ void musb_load_testpacket(struct musb *musb)
 
 /*-------------------------------------------------------------------------*/
 
-#ifdef  CONFIG_USB_MUSB_OTG
-
 /*
  * Handles OTG hnp timeouts, such as b_ase0_brst
  */
@@ -401,8 +399,6 @@ void musb_hnp_stop(struct musb *musb)
         musb->port1_status &= ~(USB_PORT_STAT_C_CONNECTION << 16);
 }
 
-#endif
-
 /*
  * Interrupt Service Routine to record USB "global" interrupts.
  * Since these do not happen often and signify things of
@@ -432,7 +428,6 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
                 dev_dbg(musb->controller, "RESUME (%s)\n", otg_state_string(musb->xceiv->state));
 
                 if (devctl & MUSB_DEVCTL_HM) {
-#ifdef CONFIG_USB_MUSB_HDRC_HCD
                         void __iomem *mbase = musb->mregs;
 
                         switch (musb->xceiv->state) {
@@ -472,17 +467,13 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
                                         "host",
                                         otg_state_string(musb->xceiv->state));
                         }
-#endif
                 } else {
                         switch (musb->xceiv->state) {
-#ifdef CONFIG_USB_MUSB_HDRC_HCD
                         case OTG_STATE_A_SUSPEND:
                                 /* possibly DISCONNECT is upcoming */
                                 musb->xceiv->state = OTG_STATE_A_HOST;
                                 usb_hcd_resume_root_hub(musb_to_hcd(musb));
                                 break;
-#endif
-#ifdef CONFIG_USB_GADGET_MUSB_HDRC
                         case OTG_STATE_B_WAIT_ACON:
                         case OTG_STATE_B_PERIPHERAL:
                                 /* disconnect while suspended?  we may
@@ -500,7 +491,6 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
                         case OTG_STATE_B_IDLE:
                                 musb->int_usb &= ~MUSB_INTR_SUSPEND;
                                 break;
-#endif
                         default:
                                 WARNING("bogus %s RESUME (%s)\n",
                                         "peripheral",
@@ -509,7 +499,6 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
                 }
         }
 
-#ifdef CONFIG_USB_MUSB_HDRC_HCD
         /* see manual for the order of the tests */
         if (int_usb & MUSB_INTR_SESSREQ) {
                 void __iomem *mbase = musb->mregs;
@@ -609,14 +598,12 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
                 handled = IRQ_HANDLED;
         }
 
-#endif
         if (int_usb & MUSB_INTR_SUSPEND) {
                 dev_dbg(musb->controller, "SUSPEND (%s) devctl %02x power %02x\n",
                         otg_state_string(musb->xceiv->state), devctl, power);
                 handled = IRQ_HANDLED;
 
                 switch (musb->xceiv->state) {
-#ifdef  CONFIG_USB_MUSB_OTG
                 case OTG_STATE_A_PERIPHERAL:
                         /* We also come here if the cable is removed, since
                          * this silicon doesn't report ID-no-longer-grounded.
@@ -633,7 +620,6 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
                                                 ? : OTG_TIME_A_WAIT_BCON));
 
                         break;
-#endif
                 case OTG_STATE_B_IDLE:
                         if (!musb->is_active)
                                 break;
@@ -642,13 +628,11 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
                         musb->is_active = is_otg_enabled(musb)
                                         && musb->xceiv->gadget->b_hnp_enable;
                         if (musb->is_active) {
-#ifdef  CONFIG_USB_MUSB_OTG
                                 musb->xceiv->state = OTG_STATE_B_WAIT_ACON;
                                 dev_dbg(musb->controller, "HNP: Setting timer for b_ase0_brst\n");
                                 mod_timer(&musb->otg_timer, jiffies
                                         + msecs_to_jiffies(
                                                         OTG_TIME_B_ASE0_BRST));
-#endif
                         }
                         break;
                 case OTG_STATE_A_WAIT_BCON:
@@ -672,7 +656,6 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
                 }
         }
 
-#ifdef CONFIG_USB_MUSB_HDRC_HCD
         if (int_usb & MUSB_INTR_CONNECT) {
                 struct usb_hcd *hcd = musb_to_hcd(musb);
 
@@ -682,7 +665,6 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 
                 musb->ep0_stage = MUSB_EP0_START;
 
-#ifdef CONFIG_USB_MUSB_OTG
                 /* flush endpoints when transitioning from Device Mode */
                 if (is_peripheral_active(musb)) {
                         /* REVISIT HNP; just force disconnect */
@@ -690,7 +672,6 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
                 musb_writew(musb->mregs, MUSB_INTRTXE, musb->epmask);
                 musb_writew(musb->mregs, MUSB_INTRRXE, musb->epmask & 0xfffe);
                 musb_writeb(musb->mregs, MUSB_INTRUSBE, 0xf7);
-#endif
                 musb->port1_status &= ~(USB_PORT_STAT_LOW_SPEED
                                         |USB_PORT_STAT_HIGH_SPEED
                                         |USB_PORT_STAT_ENABLE
@@ -739,7 +720,6 @@ b_host:
                 dev_dbg(musb->controller, "CONNECT (%s) devctl %02x\n",
                                 otg_state_string(musb->xceiv->state), devctl);
         }
-#endif  /* CONFIG_USB_MUSB_HDRC_HCD */
 
         if ((int_usb & MUSB_INTR_DISCONNECT) && !musb->ignore_disconnect) {
                 dev_dbg(musb->controller, "DISCONNECT (%s) as %s, devctl %02x\n",
@@ -748,7 +728,6 @@ b_host:
                 handled = IRQ_HANDLED;
 
                 switch (musb->xceiv->state) {
-#ifdef CONFIG_USB_MUSB_HDRC_HCD
                 case OTG_STATE_A_HOST:
                 case OTG_STATE_A_SUSPEND:
                         usb_hcd_resume_root_hub(musb_to_hcd(musb));
@@ -757,8 +736,6 @@ b_host:
                                 musb_platform_try_idle(musb, jiffies
                                         + msecs_to_jiffies(musb->a_wait_bcon));
                         break;
-#endif  /* HOST */
-#ifdef CONFIG_USB_MUSB_OTG
                 case OTG_STATE_B_HOST:
                         /* REVISIT this behaves for "real disconnect"
                          * cases; make sure the other transitions from
@@ -777,13 +754,10 @@ b_host:
                         /* FALLTHROUGH */
                 case OTG_STATE_B_WAIT_ACON:
                         /* FALLTHROUGH */
-#endif  /* OTG */
-#ifdef CONFIG_USB_GADGET_MUSB_HDRC
                 case OTG_STATE_B_PERIPHERAL:
                 case OTG_STATE_B_IDLE:
                         musb_g_disconnect(musb);
                         break;
-#endif  /* GADGET */
                 default:
                         WARNING("unhandled DISCONNECT transition (%s)\n",
                                 otg_state_string(musb->xceiv->state));
@@ -814,7 +788,6 @@ b_host:
                         dev_dbg(musb->controller, "BUS RESET as %s\n",
                                 otg_state_string(musb->xceiv->state));
                         switch (musb->xceiv->state) {
-#ifdef CONFIG_USB_OTG
                         case OTG_STATE_A_SUSPEND:
                                 /* We need to ignore disconnect on suspend
                                  * otherwise tusb 2.0 won't reconnect after a
@@ -842,7 +815,6 @@ b_host:
                                 musb->xceiv->state = OTG_STATE_B_PERIPHERAL;
                                 musb_g_reset(musb);
                                 break;
-#endif
                         case OTG_STATE_B_IDLE:
                                 musb->xceiv->state = OTG_STATE_B_PERIPHERAL;
                                 /* FALLTHROUGH */
@@ -927,7 +899,6 @@ void musb_start(struct musb *musb)
 
         /* put into basic highspeed mode and start session */
         musb_writeb(regs, MUSB_POWER, MUSB_POWER_ISOUPDATE
-                                                | MUSB_POWER_SOFTCONN
                                                 | MUSB_POWER_HSENAB
                                                 /* ENSUSPEND wedges tusb */
                                                 /* | MUSB_POWER_ENSUSPEND */
@@ -1038,10 +1009,15 @@ static void musb_shutdown(struct platform_device *pdev)
  * We don't currently use dynamic fifo setup capability to do anything
  * more than selecting one of a bunch of predefined configurations.
  */
-#if defined(CONFIG_USB_MUSB_TUSB6010) || defined(CONFIG_USB_MUSB_OMAP2PLUS) \
-        || defined(CONFIG_USB_MUSB_AM35X)
+#if defined(CONFIG_USB_MUSB_TUSB6010)                   \
+        || defined(CONFIG_USB_MUSB_TUSB6010_MODULE)     \
+        || defined(CONFIG_USB_MUSB_OMAP2PLUS)           \
+        || defined(CONFIG_USB_MUSB_OMAP2PLUS_MODULE)    \
+        || defined(CONFIG_USB_MUSB_AM35X)               \
+        || defined(CONFIG_USB_MUSB_AM35X_MODULE)
 static ushort __initdata fifo_mode = 4;
-#elif defined(CONFIG_USB_MUSB_UX500)
+#elif defined(CONFIG_USB_MUSB_UX500)                    \
+        || defined(CONFIG_USB_MUSB_UX500_MODULE)
 static ushort __initdata fifo_mode = 5;
 #else
 static ushort __initdata fifo_mode = 2;
@@ -1191,14 +1167,12 @@ fifo_setup(struct musb *musb, struct musb_hw_ep  *hw_ep,
         /* configure the FIFO */
         musb_writeb(mbase, MUSB_INDEX, hw_ep->epnum);
 
-#ifdef CONFIG_USB_MUSB_HDRC_HCD
         /* EP0 reserved endpoint for control, bidirectional;
          * EP1 reserved for bulk, two unidirection halves.
          */
         if (hw_ep->epnum == 1)
                 musb->bulk_ep = hw_ep;
         /* REVISIT error check:  be sure ep0 can both rx and tx ... */
-#endif
         switch (cfg->style) {
         case FIFO_TX:
                 musb_write_txfifosz(mbase, c_size);
@@ -1317,12 +1291,10 @@ done:
                         n + 1, musb->config->num_eps * 2 - 1,
                         offset, (1 << (musb->config->ram_bits + 2)));
 
-#ifdef CONFIG_USB_MUSB_HDRC_HCD
         if (!musb->bulk_ep) {
                 pr_debug("%s: missing bulk\n", musb_driver_name);
                 return -EINVAL;
         }
-#endif
 
         return 0;
 }
@@ -1353,7 +1325,6 @@ static int __init ep_config_from_hw(struct musb *musb)
 
                 /* FIXME set up hw_ep->{rx,tx}_double_buffered */
 
-#ifdef CONFIG_USB_MUSB_HDRC_HCD
                 /* pick an RX/TX endpoint for bulk */
                 if (hw_ep->max_packet_sz_tx < 512
                                 || hw_ep->max_packet_sz_rx < 512)
@@ -1365,15 +1336,12 @@ static int __init ep_config_from_hw(struct musb *musb)
                 if (musb->bulk_ep)
                         continue;
                 musb->bulk_ep = hw_ep;
-#endif
         }
 
-#ifdef CONFIG_USB_MUSB_HDRC_HCD
         if (!musb->bulk_ep) {
                 pr_debug("%s: missing bulk\n", musb_driver_name);
                 return -EINVAL;
         }
-#endif
 
         return 0;
 }
@@ -1429,13 +1397,11 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb)
         } else {
                 musb->is_multipoint = 0;
                 type = "";
-#ifdef CONFIG_USB_MUSB_HDRC_HCD
 #ifndef CONFIG_USB_OTG_BLACKLIST_HUB
                 printk(KERN_ERR
                         "%s: kernel must blacklist external hubs\n",
                         musb_driver_name);
 #endif
-#endif
         }
 
         /* log release info */
@@ -1479,11 +1445,9 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb)
 #endif
 
                 hw_ep->regs = MUSB_EP_OFFSET(i, 0) + mbase;
-#ifdef CONFIG_USB_MUSB_HDRC_HCD
                 hw_ep->target_regs = musb_read_target_reg_base(i, mbase);
                 hw_ep->rx_reinit = 1;
                 hw_ep->tx_reinit = 1;
-#endif
 
                 if (hw_ep->max_packet_sz_tx) {
                         dev_dbg(musb->controller,
@@ -1561,14 +1525,6 @@ irqreturn_t musb_interrupt(struct musb *musb)
                 (devctl & MUSB_DEVCTL_HM) ? "host" : "peripheral",
                 musb->int_usb, musb->int_tx, musb->int_rx);
 
-#ifdef CONFIG_USB_GADGET_MUSB_HDRC
-        if (is_otg_enabled(musb) || is_peripheral_enabled(musb))
-                if (!musb->gadget_driver) {
-                        dev_dbg(musb->controller, "No gadget driver loaded\n");
-                        return IRQ_HANDLED;
-                }
-#endif
-
         /* the core can interrupt us for multiple reasons; docs have
          * a generic interrupt flowchart to follow
          */
@@ -1767,8 +1723,6 @@ musb_vbus_show(struct device *dev, struct device_attribute *attr, char *buf)
 }
 static DEVICE_ATTR(vbus, 0644, musb_vbus_show, musb_vbus_store);
 
-#ifdef CONFIG_USB_GADGET_MUSB_HDRC
-
 /* Gadget drivers can't know that a host is connected so they might want
  * to start SRP, but users can.  This allows userspace to trigger SRP.
  */
@@ -1792,14 +1746,10 @@ musb_srp_store(struct device *dev, struct device_attribute *attr,
 }
 static DEVICE_ATTR(srp, 0644, NULL, musb_srp_store);
 
-#endif /* CONFIG_USB_GADGET_MUSB_HDRC */
-
 static struct attribute *musb_attributes[] = {
         &dev_attr_mode.attr,
         &dev_attr_vbus.attr,
-#ifdef CONFIG_USB_GADGET_MUSB_HDRC
         &dev_attr_srp.attr,
-#endif
         NULL
 };
 
@@ -1832,7 +1782,6 @@ allocate_instance(struct device *dev,
         struct musb             *musb;
         struct musb_hw_ep       *ep;
         int                     epnum;
-#ifdef CONFIG_USB_MUSB_HDRC_HCD
         struct usb_hcd  *hcd;
 
         hcd = usb_create_hcd(&musb_hc_driver, dev, dev_name(dev));
@@ -1850,12 +1799,6 @@ allocate_instance(struct device *dev,
 
         musb->vbuserr_retry = VBUSERR_RETRY_COUNT;
         musb->a_wait_bcon = OTG_TIME_A_WAIT_BCON;
-#else
-        musb = kzalloc(sizeof *musb, GFP_KERNEL);
-        if (!musb)
-                return NULL;
-
-#endif
         dev_set_drvdata(dev, musb);
         musb->mregs = mbase;
         musb->ctrl_base = mbase;
@@ -1885,9 +1828,7 @@ static void musb_free(struct musb *musb)
         sysfs_remove_group(&musb->controller->kobj, &musb_attr_group);
 #endif
 
-#ifdef CONFIG_USB_GADGET_MUSB_HDRC
         musb_gadget_cleanup(musb);
-#endif
 
         if (musb->nIrq >= 0) {
                 if (musb->irq_wake)
@@ -1901,11 +1842,7 @@ static void musb_free(struct musb *musb)
                 dma_controller_destroy(c);
         }
 
-#ifdef CONFIG_USB_MUSB_HDRC_HCD
-        usb_put_hcd(musb_to_hcd(musb));
-#else
         kfree(musb);
-#endif
 }
 
 /*
@@ -2000,9 +1937,7 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
         if (status < 0)
                 goto fail3;
 
-#ifdef CONFIG_USB_MUSB_OTG
         setup_timer(&musb->otg_timer, musb_otg_timer_func, (unsigned long) musb);
-#endif
 
         /* Init IRQ workqueue before request_irq */
         INIT_WORK(&musb->irq_work, musb_irq_work);
@@ -2214,7 +2149,16 @@ static void musb_save_context(struct musb *musb)
         musb->context.devctl = musb_readb(musb_base, MUSB_DEVCTL);
 
         for (i = 0; i < musb->config->num_eps; ++i) {
-                epio = musb->endpoints[i].regs;
+                struct musb_hw_ep       *hw_ep;
+
+                hw_ep = &musb->endpoints[i];
+                if (!hw_ep)
+                        continue;
+
+                epio = hw_ep->regs;
+                if (!epio)
+                        continue;
+
                 musb->context.index_regs[i].txmaxp =
                         musb_readw(epio, MUSB_TXMAXP);
                 musb->context.index_regs[i].txcsr =
@@ -2280,7 +2224,16 @@ static void musb_restore_context(struct musb *musb)
         musb_writeb(musb_base, MUSB_DEVCTL, musb->context.devctl);
 
         for (i = 0; i < musb->config->num_eps; ++i) {
-                epio = musb->endpoints[i].regs;
+                struct musb_hw_ep       *hw_ep;
+
+                hw_ep = &musb->endpoints[i];
+                if (!hw_ep)
+                        continue;
+
+                epio = hw_ep->regs;
+                if (!epio)
+                        continue;
+
                 musb_writew(epio, MUSB_TXMAXP,
                         musb->context.index_regs[i].txmaxp);
                 musb_writew(epio, MUSB_TXCSR,
@@ -2329,13 +2282,13 @@ static void musb_restore_context(struct musb *musb)
                                 musb->context.index_regs[i].rxhubport);
                 }
         }
+        musb_writeb(musb_base, MUSB_INDEX, musb->context.index);
 }
 
 static int musb_suspend(struct device *dev)
 {
-        struct platform_device *pdev = to_platform_device(dev);
+        struct musb     *musb = dev_to_musb(dev);
         unsigned long   flags;
-        struct musb     *musb = dev_to_musb(&pdev->dev);
 
         spin_lock_irqsave(&musb->lock, flags);
 
@@ -2357,8 +2310,7 @@ static int musb_suspend(struct device *dev)
 
 static int musb_resume_noirq(struct device *dev)
 {
-        struct platform_device *pdev = to_platform_device(dev);
-        struct musb     *musb = dev_to_musb(&pdev->dev);
+        struct musb     *musb = dev_to_musb(dev);
 
         musb_restore_context(musb);
 
@@ -2426,34 +2378,13 @@ static struct platform_driver musb_driver = {
 
 static int __init musb_init(void)
 {
-#ifdef CONFIG_USB_MUSB_HDRC_HCD
         if (usb_disabled())
                 return 0;
-#endif
 
         pr_info("%s: version " MUSB_VERSION ", "
-#ifdef CONFIG_MUSB_PIO_ONLY
-                "pio"
-#elif defined(CONFIG_USB_TI_CPPI_DMA)
-                "cppi-dma"
-#elif defined(CONFIG_USB_INVENTRA_DMA)
-                "musb-dma"
-#elif defined(CONFIG_USB_TUSB_OMAP_DMA)
-                "tusb-omap-dma"
-#elif defined(CONFIG_USB_UX500_DMA)
-                "ux500-dma"
-#else
                 "?dma?"
-#endif
                 ", "
-#ifdef CONFIG_USB_MUSB_OTG
-                "otg (peripheral+host)"
-#elif defined(CONFIG_USB_GADGET_MUSB_HDRC)
-                "peripheral"
-#elif defined(CONFIG_USB_MUSB_HDRC_HCD)
-                "host"
-#endif
-                ,
+                "otg (peripheral+host)",
                 musb_driver_name);
         return platform_driver_probe(&musb_driver, musb_probe);
 }