Automatic merge of rsync://rsync.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6

drivers/usb/host/Kconfig

@@ -124,3 +124,14 @@ config USB_SL811_HCD
 	  To compile this driver as a module, choose M here: the
 	  module will be called sl811-hcd.
 
+config USB_SL811_CS
+	tristate "CF/PCMCIA support for SL811HS HCD"
+	depends on USB_SL811_HCD && PCMCIA
+	default N
+	help
+	  Wraps a PCMCIA driver around the SL811HS HCD, supporting the RATOC
+	  REX-CFU1U CF card (often used with PDAs).  If unsure, say N.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called "sl811_cs".
+

drivers/usb/host/Makefile

@@ -7,4 +7,5 @@ obj-$(CONFIG_USB_EHCI_HCD)	+= ehci-hcd.o
 obj-$(CONFIG_USB_OHCI_HCD)	+= ohci-hcd.o
 obj-$(CONFIG_USB_UHCI_HCD)	+= uhci-hcd.o
 obj-$(CONFIG_USB_SL811_HCD)	+= sl811-hcd.o
+obj-$(CONFIG_USB_SL811_CS)	+= sl811_cs.o
 obj-$(CONFIG_ETRAX_ARCH_V10)	+= hc_crisv10.o

drivers/usb/host/sl811-hcd.c

@@ -2,7 +2,7 @@
  * SL811HS HCD (Host Controller Driver) for USB.
  *
  * Copyright (C) 2004 Psion Teklogix (for NetBook PRO)
- * Copyright (C) 2004 David Brownell
+ * Copyright (C) 2004-2005 David Brownell
  *
  * Periodic scheduling is based on Roman's OHCI code
  * 	Copyright (C) 1999 Roman Weissgaerber
@@ -67,7 +67,7 @@
 MODULE_DESCRIPTION("SL811HS USB Host Controller Driver");
 MODULE_LICENSE("GPL");
 
-#define DRIVER_VERSION	"15 Dec 2004"
+#define DRIVER_VERSION	"19 May 2005"
 
 
 #ifndef DEBUG
@@ -121,6 +121,10 @@ static void port_power(struct sl811 *sl811, int is_on)
 	/* reset as thoroughly as we can */
 	if (sl811->board && sl811->board->reset)
 		sl811->board->reset(hcd->self.controller);
+	else {
+		sl811_write(sl811, SL11H_CTLREG1, SL11H_CTL1MASK_SE0);
+		mdelay(20);
+	}
 
 	sl811_write(sl811, SL11H_IRQ_ENABLE, 0);
 	sl811_write(sl811, SL11H_CTLREG1, sl811->ctrl1);
@@ -443,6 +447,7 @@ static void finish_request(
 	spin_lock(&urb->lock);
 	if (urb->status == -EINPROGRESS)
 		urb->status = status;
+	urb->hcpriv = NULL;
 	spin_unlock(&urb->lock);
 
 	spin_unlock(&sl811->lock);
@@ -661,9 +666,9 @@ static irqreturn_t sl811h_irq(struct usb_hcd *hcd, struct pt_regs *regs)
 
 #ifdef	QUIRK2
 	/* this may no longer be necessary ... */
-	if (irqstat == 0 && ret == IRQ_NONE) {
+	if (irqstat == 0) {
 		irqstat = checkdone(sl811);
-		if (irqstat /* && irq != ~0 */ )
+		if (irqstat)
 			sl811->stat_lost++;
 	}
 #endif
@@ -722,7 +727,8 @@ static irqreturn_t sl811h_irq(struct usb_hcd *hcd, struct pt_regs *regs)
 		if (sl811->active_a) {
 			sl811_write(sl811, SL811_EP_A(SL11H_HOSTCTLREG), 0);
 			finish_request(sl811, sl811->active_a,
-				container_of(sl811->active_a->hep->urb_list.next,
+				container_of(sl811->active_a
+						->hep->urb_list.next,
 					struct urb, urb_list),
 				NULL, -ESHUTDOWN);
 			sl811->active_a = NULL;
@@ -731,7 +737,8 @@ static irqreturn_t sl811h_irq(struct usb_hcd *hcd, struct pt_regs *regs)
 		if (sl811->active_b) {
 			sl811_write(sl811, SL811_EP_B(SL11H_HOSTCTLREG), 0);
 			finish_request(sl811, sl811->active_b,
-				container_of(sl811->active_b->hep->urb_list.next,
+				container_of(sl811->active_b
+						->hep->urb_list.next,
 					struct urb, urb_list),
 				NULL, -ESHUTDOWN);
 			sl811->active_b = NULL;
@@ -890,6 +897,7 @@ static int sl811h_urb_enqueue(
 			break;
 		}
 
+		ep->hep = hep;
 		hep->hcpriv = ep;
 	}
 
@@ -961,15 +969,16 @@ static int sl811h_urb_enqueue(
 static int sl811h_urb_dequeue(struct usb_hcd *hcd, struct urb *urb)
 {
 	struct sl811		*sl811 = hcd_to_sl811(hcd);
-	struct usb_host_endpoint *hep = urb->hcpriv;
+	struct usb_host_endpoint *hep;
 	unsigned long		flags;
 	struct sl811h_ep	*ep;
 	int			retval = 0;
 
+	spin_lock_irqsave(&sl811->lock, flags);
+	hep = urb->hcpriv;
 	if (!hep)
-		return -EINVAL;
+		goto fail;
 
-	spin_lock_irqsave(&sl811->lock, flags);
 	ep = hep->hcpriv;
 	if (ep) {
 		/* finish right away if this urb can't be active ...
@@ -1017,6 +1026,7 @@ static int sl811h_urb_dequeue(struct usb_hcd *hcd, struct urb *urb)
 			VDBG("dequeue, urb %p active %s; wait4irq\n", urb,
 				(sl811->active_a == ep) ? "A" : "B");
 	} else
+fail:
 		retval = -EINVAL;
 	spin_unlock_irqrestore(&sl811->lock, flags);
 	return retval;
@@ -1576,6 +1586,9 @@ sl811h_start(struct usb_hcd *hcd)
 	if (sl811->board && sl811->board->power)
 		hub_set_power_budget(udev, sl811->board->power * 2);
 
+	/* enable power and interupts */
+	port_power(sl811, 1);
+
 	return 0;
 }
 
@@ -1618,7 +1631,7 @@ static struct hc_driver sl811h_hc_driver = {
 
 /*-------------------------------------------------------------------------*/
 
-static int __init_or_module
+static int __devexit
 sl811h_remove(struct device *dev)
 {
 	struct usb_hcd		*hcd = dev_get_drvdata(dev);
@@ -1631,21 +1644,20 @@ sl811h_remove(struct device *dev)
 	remove_debug_file(sl811);
 	usb_remove_hcd(hcd);
 
-	iounmap(sl811->data_reg);
+	/* some platforms may use IORESOURCE_IO */
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	release_mem_region(res->start, 1);
+	if (res)
+		iounmap(sl811->data_reg);
 
-	iounmap(sl811->addr_reg);
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	release_mem_region(res->start, 1);
+	if (res)
+		iounmap(sl811->addr_reg);
 
 	usb_put_hcd(hcd);
 	return 0;
 }
 
-#define resource_len(r) (((r)->end - (r)->start) + 1)
-
-static int __init
+static int __devinit
 sl811h_probe(struct device *dev)
 {
 	struct usb_hcd		*hcd;
@@ -1656,7 +1668,7 @@ sl811h_probe(struct device *dev)
 	void __iomem		*addr_reg;
 	void __iomem		*data_reg;
 	int			retval;
-	u8			tmp;
+	u8			tmp, ioaddr = 0;
 
 	/* basic sanity checks first.  board-specific init logic should
 	 * have initialized these three resources and probably board
@@ -1664,13 +1676,8 @@ sl811h_probe(struct device *dev)
 	 * minimal sanity checking.
 	 */
 	pdev = container_of(dev, struct platform_device, dev);
-	if (pdev->num_resources < 3)
-		return -ENODEV;
-
-	addr = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	data = platform_get_resource(pdev, IORESOURCE_MEM, 1);
 	irq = platform_get_irq(pdev, 0);
-	if (!addr || !data || irq < 0)
+	if (pdev->num_resources < 3 || irq < 0)
 		return -ENODEV;
 
 	/* refuse to confuse usbcore */
@@ -1679,25 +1686,32 @@ sl811h_probe(struct device *dev)
 		return -EINVAL;
 	}
 
-	if (!request_mem_region(addr->start, 1, hcd_name)) {
+	/* the chip may be wired for either kind of addressing */
+	addr = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	data = platform_get_resource(pdev, IORESOURCE_MEM, 1);
 	retval = -EBUSY;
-		goto err1;
-	}
-	addr_reg = ioremap(addr->start, resource_len(addr));
+	if (!addr || !data) {
+		addr = platform_get_resource(pdev, IORESOURCE_IO, 0);
+		data = platform_get_resource(pdev, IORESOURCE_IO, 1);
+		if (!addr || !data)
+			return -ENODEV;
+		ioaddr = 1;
+
+		addr_reg = (void __iomem *) addr->start;
+		data_reg = (void __iomem *) data->start;
+	} else {
+		addr_reg = ioremap(addr->start, 1);
 		if (addr_reg == NULL) {
 			retval = -ENOMEM;
 			goto err2;
 		}
 
-	if (!request_mem_region(data->start, 1, hcd_name)) {
-		retval = -EBUSY;
-		goto err3;
-	}
-	data_reg = ioremap(data->start, resource_len(addr));
+		data_reg = ioremap(data->start, 1);
 		if (data_reg == NULL) {
 			retval = -ENOMEM;
 			goto err4;
 		}
+	}
 
 	/* allocate and initialize hcd */
 	hcd = usb_create_hcd(&sl811h_hc_driver, dev, dev->bus_id);
@@ -1737,12 +1751,14 @@ sl811h_probe(struct device *dev)
 		goto err6;
 	}
 
-	/* sl811s would need a different handler for this irq */
-#ifdef	CONFIG_ARM
-	/* Cypress docs say the IRQ is IRQT_HIGH ... */
-	set_irq_type(irq, IRQT_RISING);
-#endif
-	retval = usb_add_hcd(hcd, irq, SA_INTERRUPT);
+	/* The chip's IRQ is level triggered, active high.  A requirement
+	 * for platform device setup is to cope with things like signal
+	 * inverters (e.g. CF is active low) or working only with edge
+	 * triggers (e.g. most ARM CPUs).  Initial driver stress testing
+	 * was on a system with single edge triggering, so most sorts of
+	 * triggering arrangement should work.
+	 */
+	retval = usb_add_hcd(hcd, irq, SA_INTERRUPT | SA_SHIRQ);
 	if (retval != 0)
 		goto err6;
 
@@ -1752,14 +1768,12 @@ sl811h_probe(struct device *dev)
  err6:
 	usb_put_hcd(hcd);
  err5:
+	if (!ioaddr)
 		iounmap(data_reg);
  err4:
-	release_mem_region(data->start, 1);
- err3:
+	if (!ioaddr)
 		iounmap(addr_reg);
  err2:
-	release_mem_region(addr->start, 1);
- err1:
 	DBG("init error, %d\n", retval);
 	return retval;
 }
@@ -1821,16 +1835,18 @@ sl811h_resume(struct device *dev, u32 phase)
 #endif
 
 
-static struct device_driver sl811h_driver = {
+/* this driver is exported so sl811_cs can depend on it */
+struct device_driver sl811h_driver = {
 	.name =		(char *) hcd_name,
 	.bus =		&platform_bus_type,
 
 	.probe =	sl811h_probe,
-	.remove =	sl811h_remove,
+	.remove =	__devexit_p(sl811h_remove),
 
 	.suspend =	sl811h_suspend,
 	.resume =	sl811h_resume,
 };
+EXPORT_SYMBOL(sl811h_driver);
 
 /*-------------------------------------------------------------------------*/
 

drivers/usb/serial/ftdi_sio.c

@@ -364,6 +364,7 @@ static struct usb_device_id id_table_8U232AM [] = {
 	{ USB_DEVICE_VER(FTDI_VID, PROTEGO_SPECIAL_3, 0, 0x3ff) },
 	{ USB_DEVICE_VER(FTDI_VID, PROTEGO_SPECIAL_4, 0, 0x3ff) },
 	{ USB_DEVICE_VER(FTDI_VID, FTDI_ELV_UO100_PID, 0, 0x3ff) },
+	{ USB_DEVICE_VER(FTDI_VID, FTDI_ELV_UM100_PID, 0, 0x3ff) },
 	{ USB_DEVICE_VER(FTDI_VID, INSIDE_ACCESSO, 0, 0x3ff) },
 	{ USB_DEVICE_VER(INTREPID_VID, INTREPID_VALUECAN_PID, 0, 0x3ff) },
 	{ USB_DEVICE_VER(INTREPID_VID, INTREPID_NEOVI_PID, 0, 0x3ff) },
@@ -475,6 +476,7 @@ static struct usb_device_id id_table_FT232BM [] = {
 	{ USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E88E_PID, 0x400, 0xffff) },
 	{ USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E88F_PID, 0x400, 0xffff) },
 	{ USB_DEVICE_VER(FTDI_VID, FTDI_ELV_UO100_PID, 0x400, 0xffff) },
+	{ USB_DEVICE_VER(FTDI_VID, FTDI_ELV_UM100_PID, 0x400, 0xffff) },
  	{ USB_DEVICE_VER(FTDI_VID, LINX_SDMUSBQSS_PID, 0x400, 0xffff) },
  	{ USB_DEVICE_VER(FTDI_VID, LINX_MASTERDEVEL2_PID, 0x400, 0xffff) },
  	{ USB_DEVICE_VER(FTDI_VID, LINX_FUTURE_0_PID, 0x400, 0xffff) },
@@ -618,6 +620,7 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E88E_PID, 0x400, 0xffff) },
 	{ USB_DEVICE_VER(FTDI_VID, FTDI_GUDEADS_E88F_PID, 0x400, 0xffff) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) },
  	{ USB_DEVICE_VER(FTDI_VID, LINX_SDMUSBQSS_PID, 0x400, 0xffff) },
  	{ USB_DEVICE_VER(FTDI_VID, LINX_MASTERDEVEL2_PID, 0x400, 0xffff) },
  	{ USB_DEVICE_VER(FTDI_VID, LINX_FUTURE_0_PID, 0x400, 0xffff) },

drivers/usb/serial/ftdi_sio.h

@@ -144,6 +144,8 @@
 
 /* ELV USB Module UO100 (PID sent by Stefan Frings) */
 #define FTDI_ELV_UO100_PID	0xFB58	/* Product Id */
+/* ELV USB Module UM100 (PID sent by Arnim Laeuger) */
+#define FTDI_ELV_UM100_PID	0xFB5A	/* Product Id */
 
 /*
  * Definitions for ID TECH (www.idt-net.com) devices

drivers/usb/serial/usb-serial.c

@@ -1297,13 +1297,6 @@ static int __init usb_serial_init(void)
 		goto exit_bus;
 	}
 
-	/* register the generic driver, if we should */
-	result = usb_serial_generic_register(debug);
-	if (result < 0) {
-		err("%s - registering generic driver failed", __FUNCTION__);
-		goto exit_generic;
-	}
-
 	usb_serial_tty_driver->owner = THIS_MODULE;
 	usb_serial_tty_driver->driver_name = "usbserial";
 	usb_serial_tty_driver->devfs_name = "usb/tts/";
@@ -1329,17 +1322,24 @@ static int __init usb_serial_init(void)
 		goto exit_tty;
 	}
 
+	/* register the generic driver, if we should */
+	result = usb_serial_generic_register(debug);
+	if (result < 0) {
+		err("%s - registering generic driver failed", __FUNCTION__);
+		goto exit_generic;
+	}
+
 	info(DRIVER_DESC " " DRIVER_VERSION);
 
 	return result;
 
+exit_generic:
+	usb_deregister(&usb_serial_driver);
+
 exit_tty:
 	tty_unregister_driver(usb_serial_tty_driver);
 
 exit_reg_driver:
-	usb_serial_generic_deregister();
-
-exit_generic:
 	bus_unregister(&usb_serial_bus_type);
 
 exit_bus: