Merge http://linuxusb.bkbits.net/linus-2.5

into penguin.transmeta.com:/home/penguin/torvalds/repositories/kernel/linux

drivers/usb/Config.in

@@ -4,7 +4,13 @@
 mainmenu_option next_comment
 comment 'USB support'
 
-dep_tristate 'Support for USB' CONFIG_USB $CONFIG_PCI
+# ARM SA1111 chips have a non-PCI based "OHCI-compatible" USB host interface.
+if [ "$CONFIG_PCI" = "y" -o "$CONFIG_SA1111" = "y" ]; then
+   tristate 'Support for USB' CONFIG_USB
+else
+   define_bool CONFIG_USB n
+fi
+
 if [ "$CONFIG_USB" = "y" -o  "$CONFIG_USB" = "m" ]; then
    source drivers/usb/core/Config.in
 

drivers/usb/Makefile

@@ -6,9 +6,11 @@
 mod-subdirs	:= serial
 
 obj-$(CONFIG_USB)		+= core/
+
 obj-$(CONFIG_USB_EHCI_HCD)	+= host/
 obj-$(CONFIG_USB_OHCI_HCD)	+= host/
 obj-$(CONFIG_USB_OHCI)		+= host/
+obj-$(CONFIG_USB_OHCI_SA1111)	+= host/
 obj-$(CONFIG_USB_SL811HS)	+= host/
 obj-$(CONFIG_USB_UHCI_ALT)	+= host/
 obj-$(CONFIG_USB_UHCI_HCD_ALT)	+= host/

drivers/usb/core/usb.c

@@ -904,7 +904,8 @@ static void usb_find_drivers(struct usb_device *dev)
 		
 		/* register this interface with driverfs */
 		interface->dev.parent = &dev->dev;
-		sprintf (&interface->dev.bus_id[0], "%03d", ifnum);
+		interface->dev.bus = &usb_bus_type;
+		sprintf (&interface->dev.bus_id[0], "%03d%03d", dev->devnum,ifnum);
 		sprintf (&interface->dev.name[0], "figure out some name...");
 		device_register (&interface->dev);
 
@@ -2757,12 +2758,16 @@ struct list_head *usb_bus_get_list(void)
 }
 #endif
 
+struct bus_type usb_bus_type = {
+	name:	"usb",
+};
 
 /*
  * Init
  */
 static int __init usb_init(void)
 {
+	bus_register(&usb_bus_type);
 	usb_major_init();
 	usbfs_init();
 	usb_hub_init();
@@ -2775,6 +2780,7 @@ static int __init usb_init(void)
  */
 static void __exit usb_exit(void)
 {
+	put_bus(&usb_bus_type);
 	usb_major_cleanup();
 	usbfs_cleanup();
 	usb_hub_cleanup();

drivers/usb/host/Config.in

@@ -20,5 +20,6 @@ fi
 #fi
 #dep_tristate '  OHCI (Compaq, iMacs, OPTi, SiS, ALi, ...) support' CONFIG_USB_OHCI $CONFIG_USB
 if [ "$CONFIG_ARM" = "y" ]; then
+   dep_tristate '  SA1111 OHCI-compatible host interface support' CONFIG_USB_OHCI_SA1111 $CONFIG_USB
    dep_tristate '  SL811HS support' CONFIG_USB_SL811HS $CONFIG_USB
 fi

drivers/usb/host/Makefile

@@ -3,6 +3,8 @@
 # framework and drivers
 #
 
+export-objs := usb-ohci.o
+
 obj-$(CONFIG_USB_EHCI_HCD)	+= ehci-hcd.o
 obj-$(CONFIG_USB_OHCI_HCD)	+= ohci-hcd.o
 obj-$(CONFIG_USB_UHCI_HCD)	+= usb-uhci-hcd.o
@@ -10,7 +12,8 @@ obj-$(CONFIG_USB_UHCI_HCD_ALT)	+= uhci-hcd.o
 
 obj-$(CONFIG_USB_UHCI)		+= usb-uhci.o
 obj-$(CONFIG_USB_UHCI_ALT)	+= uhci.o
-obj-$(CONFIG_USB_OHCI)		+= usb-ohci.o
+obj-$(CONFIG_USB_OHCI)		+= usb-ohci.o usb-ohci-pci.o
+obj-$(CONFIG_USB_OHCI_SA1111)	+= usb-ohci.o usb-ohci-sa1111.o
 obj-$(CONFIG_USB_SL811HS)	+= hc_sl811.o
 
 include $(TOPDIR)/Rules.make

drivers/usb/host/usb-ohci-sa1111.c

+/*
+ *  linux/drivers/usb/usb-ohci-sa1111.c
+ *
+ *  The outline of this code was taken from Brad Parkers <brad@heeltoe.com>
+ *  original OHCI driver modifications, and reworked into a cleaner form
+ *  by Russell King <rmk@arm.linux.org.uk>.
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/ioport.h>
+#include <linux/interrupt.h>
+#include <linux/slab.h>
+#include <linux/usb.h>
+#include <linux/errno.h>
+
+#include <asm/hardware.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+#include <asm/arch/assabet.h>
+#include <asm/arch/badge4.h>
+#include <asm/hardware/sa1111.h>
+
+#include "usb-ohci.h"
+
+int __devinit
+hc_add_ohci(struct pci_dev *dev, int irq, void *membase, unsigned long flags,
+	    ohci_t **ohci, const char *name, const char *slot_name);
+extern void hc_remove_ohci(ohci_t *ohci);
+
+static ohci_t *sa1111_ohci;
+
+static void __init sa1111_ohci_configure(void)
+{
+	unsigned int usb_rst = 0;
+
+	if (machine_is_xp860() ||
+	    machine_has_neponset() ||
+	    machine_is_pfs168() ||
+	    machine_is_badge4())
+		usb_rst = USB_RESET_PWRSENSELOW | USB_RESET_PWRCTRLLOW;
+
+	/*
+	 * Configure the power sense and control lines.  Place the USB
+	 * host controller in reset.
+	 */
+	USB_RESET = usb_rst | USB_RESET_FORCEIFRESET | USB_RESET_FORCEHCRESET;
+
+	/*
+	 * Now, carefully enable the USB clock, and take
+	 * the USB host controller out of reset.
+	 */
+	SKPCR |= SKPCR_UCLKEN;
+	udelay(11);
+	USB_RESET = usb_rst;
+}
+
+static int __init sa1111_ohci_init(void)
+{
+	int ret;
+
+	if (!sa1111)
+		return -ENODEV;
+
+	/*
+	 * Request memory resources.
+	 */
+//	if (!request_mem_region(_USB_OHCI_OP_BASE, _USB_EXTENT, "usb-ohci"))
+//		return -EBUSY;
+
+	sa1111_ohci_configure();
+
+	/*
+	 * Initialise the generic OHCI driver.
+	 */
+	ret = hc_add_ohci((struct pci_dev *)1, NIRQHCIM,
+			  (void *)&USB_OHCI_OP_BASE, 0, &sa1111_ohci,
+			  "usb-ohci", "sa1111");
+
+	if (ret == 0) {
+		if (hc_start (sa1111_ohci, &sa1111->dev) < 0) {
+			err ("can't start usb-%s", sa1111_ohci->slot_name);
+			hc_remove_ohci (sa1111_ohci);
+			return -EBUSY;
+		}
+
+#ifdef	DEBUG
+		ohci_dump (ohci, 1);
+#endif
+#ifdef CONFIG_SA1100_BADGE4
+		if (machine_is_badge4()) {
+			/* found the controller, so now power the bus */
+			badge4_set_5V(BADGE4_5V_USB, 1);
+		}
+#endif
+	}
+//	else
+//		release_mem_region(_USB_OHCI_OP_BASE, _USB_EXTENT);
+
+	return ret;
+}
+
+static void __exit sa1111_ohci_exit(void)
+{
+	hc_remove_ohci(sa1111_ohci);
+
+	/*
+	 * Put the USB host controller into reset.
+	 */
+	USB_RESET |= USB_RESET_FORCEIFRESET | USB_RESET_FORCEHCRESET;
+
+	/*
+	 * Stop the USB clock.
+	 */
+	SKPCR &= ~SKPCR_UCLKEN;
+
+	/*
+	 * Release memory resources.
+	 */
+//	release_mem_region(_USB_OHCI_OP_BASE, _USB_EXTENT);
+
+#ifdef CONFIG_SA1100_BADGE4
+	if (machine_is_badge4()) {
+		badge4_set_5V(BADGE4_5V_USB, 0);
+	}
+#endif
+}
+
+module_init(sa1111_ohci_init);
+module_exit(sa1111_ohci_exit);

drivers/usb/host/usb-ohci.h

@@ -403,6 +403,7 @@ typedef struct ohci {
 
 	/* PCI device handle, settings, ... */
 	struct pci_dev	*ohci_dev;
+	const char	*slot_name;
 	u8		pci_latency;
 	struct pci_pool	*td_cache;
 	struct pci_pool	*dev_cache;
@@ -423,6 +424,10 @@ struct ohci_device {
 // #define ohci_to_usb(ohci)	((ohci)->usb)
 #define usb_to_ohci(usb)	((struct ohci_device *)(usb)->hcpriv)
 
+/* For initializing controller (mask in an HCFS mode too) */
+#define OHCI_CONTROL_INIT \
+	(OHCI_CTRL_CBSR & 0x3) | OHCI_CTRL_IE | OHCI_CTRL_PLE
+
 /* hcd */
 /* endpoint */
 static int ep_link(ohci_t * ohci, ed_t * ed);
@@ -447,11 +452,6 @@ static int rh_init_int_timer(struct urb * urb);
 #	define OHCI_MEM_FLAGS	0
 #endif
  
-#ifndef CONFIG_PCI
-#	error "usb-ohci currently requires PCI-based controllers"
-	/* to support non-PCI OHCIs, you need custom bus/mem/... glue */
-#endif
-
 
 /* Recover a TD/ED using its collision chain */
 static void *
@@ -641,3 +641,8 @@ dev_free (struct ohci *hc, struct ohci_device *dev)
 	pci_pool_free (hc->dev_cache, dev, dev->dma);
 }
 
+extern spinlock_t usb_ed_lock;
+extern void dl_done_list (ohci_t * ohci, td_t * td_list);
+extern td_t * dl_reverse_done_list (ohci_t * ohci);
+
+

drivers/usb/storage/freecom.c

@@ -167,108 +167,6 @@ static void us_transfer_freecom(Scsi_Cmnd *srb, struct us_data* us, int transfer
 	srb->result = result;
 }
 
-#if 0
-/* Write a value to an ide register. */
-static int
-freecom_ide_write (struct us_data *us, int reg, int value)
-{
-        freecom_udata_t extra = (freecom_udata_t) us->extra;
-        struct freecom_ide_out *ideout =
-                (struct freecom_ide_out *) extra->buffer;
-        int opipe;
-        int result, partial;
-
-        US_DEBUGP("IDE out 0x%02x <- 0x%02x\n", reg, value);
-
-        /* Get handles for both transports. */
-        opipe = usb_sndbulkpipe (us->pusb_dev, us->ep_out);
-
-        if (reg < 0 || reg > 8)
-                return USB_STOR_TRANSPORT_ERROR;
-        if (reg < 8)
-                reg |= 0x20;
-        else
-                reg = 0x0e;
-
-        ideout->Type = FCM_PACKET_IDE_WRITE | reg;
-        ideout->Pad = 0;
-        ideout->Value = cpu_to_le16 (value);
-        memset (ideout->Pad2, 0, sizeof (ideout->Pad2));
-
-        result = usb_stor_bulk_msg (us, ideout, opipe,
-                        FCM_PACKET_LENGTH, &partial);
-        if (result != 0) {
-                if (result == -ENOENT)
-                        return US_BULK_TRANSFER_ABORTED;
-                else
-                        return USB_STOR_TRANSPORT_ERROR;
-        }
-
-        return USB_STOR_TRANSPORT_GOOD;
-}
-
-/* Read a value from an ide register. */
-static int
-freecom_ide_read (struct us_data *us, int reg, int *value)
-{
-        freecom_udata_t extra = (freecom_udata_t) us->extra;
-        struct freecom_ide_in *idein =
-                (struct freecom_ide_in *) extra->buffer;
-        __u8 *buffer = extra->buffer;
-        int ipipe, opipe;
-        int result, partial;
-        int desired_length;
-
-        /* Get handles for both transports. */
-        opipe = usb_sndbulkpipe (us->pusb_dev, us->ep_out);
-        ipipe = usb_rcvbulkpipe (us->pusb_dev, us->ep_in);
-
-        if (reg < 0 || reg > 8)
-                return USB_STOR_TRANSPORT_ERROR;
-        if (reg < 8)
-                reg |= 0x10;
-        else
-                reg = 0x0e;
-
-        US_DEBUGP("IDE in request for register 0x%02x\n", reg);
-
-        idein->Type = FCM_PACKET_IDE_READ | reg;
-        memset (idein->Pad, 0, sizeof (idein->Pad));
-
-        result = usb_stor_bulk_msg (us, idein, opipe,
-                        FCM_PACKET_LENGTH, &partial);
-        if (result != 0) {
-                if (result == -ENOENT)
-                        return US_BULK_TRANSFER_ABORTED;
-                else
-                        return USB_STOR_TRANSPORT_ERROR;
-        }
-
-        desired_length = 1;
-        if (reg == 0x10)
-                desired_length = 2;
-
-        result = usb_stor_bulk_msg (us, buffer, ipipe,
-                        desired_length, &partial);
-        if (result != 0) {
-                if (result == -ENOENT)
-                        return US_BULK_TRANSFER_ABORTED;
-                else
-                        return USB_STOR_TRANSPORT_ERROR;
-        }
-        US_DEBUGP("IDE in partial is %d\n", partial);
-
-        if (desired_length == 1)
-                *value = buffer[0];
-        else
-                *value = le16_to_cpu (*(__u16 *) buffer);
-
-        US_DEBUGP("IDE in 0x%02x -> 0x%02x\n", reg, *value);
-
-        return USB_STOR_TRANSPORT_GOOD;
-}
-#endif
-
 static int
 freecom_readdata (Scsi_Cmnd *srb, struct us_data *us,
                 int ipipe, int opipe, int count)
@@ -292,8 +190,8 @@ freecom_readdata (Scsi_Cmnd *srb, struct us_data *us,
                 US_DEBUGP ("Freecom readdata xpot failure: r=%d, p=%d\n",
                                 result, partial);
 
-		/* -ENOENT -- we canceled this transfer */
-		if (result == -ENOENT) {
+		/* has the current command been aborted? */
+		if (atomic_read(&us->sm_state) == US_STATE_ABORTING) {
 			US_DEBUGP("freecom_readdata(): transfer aborted\n");
 			return US_BULK_TRANSFER_ABORTED;
 		}
@@ -333,8 +231,8 @@ freecom_writedata (Scsi_Cmnd *srb, struct us_data *us,
                 US_DEBUGP ("Freecom writedata xpot failure: r=%d, p=%d\n",
                                 result, partial);
 
-		/* -ENOENT -- we canceled this transfer */
-		if (result == -ENOENT) {
+		/* has the current command been aborted? */
+		if (atomic_read(&us->sm_state) == US_STATE_ABORTING) {
 			US_DEBUGP("freecom_writedata(): transfer aborted\n");
 			return US_BULK_TRANSFER_ABORTED;
 		}
@@ -396,8 +294,8 @@ int freecom_transport(Scsi_Cmnd *srb, struct us_data *us)
                 US_DEBUGP ("freecom xport failure: r=%d, p=%d\n",
                                 result, partial);
 
-		/* -ENOENT -- we canceled this transfer */
-		if (result == -ENOENT) {
+		/* we canceled this transfer */
+		if (atomic_read(&us->sm_state) == US_STATE_ABORTING) {
 			US_DEBUGP("freecom_transport(): transfer aborted\n");
 			return US_BULK_TRANSFER_ABORTED;
 		}
@@ -410,8 +308,9 @@ int freecom_transport(Scsi_Cmnd *srb, struct us_data *us)
         result = usb_stor_bulk_msg (us, fst, ipipe,
                         FCM_PACKET_LENGTH, &partial);
         US_DEBUGP("foo Status result %d %d\n", result, partial);
-	/* -ENOENT -- we canceled this transfer */
-	if (result == -ENOENT) {
+
+	/* we canceled this transfer */
+	if (atomic_read(&us->sm_state) == US_STATE_ABORTING) {
 		US_DEBUGP("freecom_transport(): transfer aborted\n");
 		return US_BULK_TRANSFER_ABORTED;
 	}
@@ -448,8 +347,8 @@ int freecom_transport(Scsi_Cmnd *srb, struct us_data *us)
 			US_DEBUGP ("freecom xport failure: r=%d, p=%d\n",
 					result, partial);
 
-			/* -ENOENT -- we canceled this transfer */
-			if (result == -ENOENT) {
+			/* we canceled this transfer */
+			if (atomic_read(&us->sm_state) == US_STATE_ABORTING) {
 				US_DEBUGP("freecom_transport(): transfer aborted\n");
 				return US_BULK_TRANSFER_ABORTED;
 			}
@@ -463,8 +362,8 @@ int freecom_transport(Scsi_Cmnd *srb, struct us_data *us)
 
 		US_DEBUGP("bar Status result %d %d\n", result, partial);
 
-		/* -ENOENT -- we canceled this transfer */
-		if (result == -ENOENT) {
+		/* we canceled this transfer */
+		if (atomic_read(&us->sm_state) == US_STATE_ABORTING) {
 			US_DEBUGP("freecom_transport(): transfer aborted\n");
 			return US_BULK_TRANSFER_ABORTED;
 		}
@@ -524,7 +423,8 @@ int freecom_transport(Scsi_Cmnd *srb, struct us_data *us)
                 result = usb_stor_bulk_msg (us, fst, ipipe,
                                 FCM_PACKET_LENGTH, &partial);
 		US_DEBUG(pdump ((void *) fst, partial));
-                if (result == -ENOENT) {
+
+		if (atomic_read(&us->sm_state) == US_STATE_ABORTING) {
                         US_DEBUGP ("freecom_transport: transfer aborted\n");
                         return US_BULK_TRANSFER_ABORTED;
                 }
@@ -552,7 +452,8 @@ int freecom_transport(Scsi_Cmnd *srb, struct us_data *us)
                 US_DEBUGP("FCM: Waiting for status\n");
                 result = usb_stor_bulk_msg (us, fst, ipipe,
                                 FCM_PACKET_LENGTH, &partial);
-                if (result == -ENOENT) {
+
+		if (atomic_read(&us->sm_state) == US_STATE_ABORTING) {
                         US_DEBUGP ("freecom_transport: transfer aborted\n");
                         return US_BULK_TRANSFER_ABORTED;
                 }

drivers/usb/storage/scsiglue.c

@@ -386,9 +386,9 @@ Scsi_Host_Template usb_stor_host_template = {
 unsigned char usb_stor_sense_notready[18] = {
 	[0]	= 0x70,			    /* current error */
 	[2]	= 0x02,			    /* not ready */
-	[5]	= 0x0a,			    /* additional length */
-	[10]	= 0x04,			    /* not ready */
-	[11]	= 0x03			    /* manual intervention */
+	[7]	= 0x0a,			    /* additional length */
+	[12]	= 0x04,			    /* not ready */
+	[13]	= 0x03			    /* manual intervention */
 };
 
 #define USB_STOR_SCSI_SENSE_HDRSZ 4

drivers/usb/storage/transport.c

@@ -986,9 +986,11 @@ int usb_stor_CBI_transport(Scsi_Cmnd *srb, struct us_data *us)
 		clear_bit(IP_WANTED, &us->bitflags);
 	}
 
-	/* if the command was aborted, indicate that */
-	if (result == -ENOENT)
-		return USB_STOR_TRANSPORT_ABORTED;
+	/* did we abort this command? */
+	if (atomic_read(&us->sm_state) == US_STATE_ABORTING) {
+		US_DEBUGP("usb_stor_control_msg(): transfer aborted\n");
+		return US_BULK_TRANSFER_ABORTED;
+	}
 
 	/* STALL must be cleared when it is detected */
 	if (result == -EPIPE) {
@@ -996,9 +998,12 @@ int usb_stor_CBI_transport(Scsi_Cmnd *srb, struct us_data *us)
 		result = usb_stor_clear_halt(us,	
 			usb_sndctrlpipe(us->pusb_dev, 0));
 
-		/* if the command was aborted, indicate that */
-		if (result == -ENOENT)
-			return USB_STOR_TRANSPORT_ABORTED;
+		/* did we abort this command? */
+		if (atomic_read(&us->sm_state) == US_STATE_ABORTING) {
+			US_DEBUGP("usb_stor_control_msg(): transfer aborted\n");
+			return US_BULK_TRANSFER_ABORTED;
+		}
+
 		return USB_STOR_TRANSPORT_FAILED;
 	}
 
@@ -1098,9 +1103,11 @@ int usb_stor_CB_transport(Scsi_Cmnd *srb, struct us_data *us)
 	/* check the return code for the command */
 	US_DEBUGP("Call to usb_stor_control_msg() returned %d\n", result);
 	if (result < 0) {
-		/* if the command was aborted, indicate that */
-		if (result == -ENOENT)
-			return USB_STOR_TRANSPORT_ABORTED;
+		/* did we abort this command? */
+		if (atomic_read(&us->sm_state) == US_STATE_ABORTING) {
+			US_DEBUGP("usb_stor_CB_transport(): transfer aborted\n");
+			return US_BULK_TRANSFER_ABORTED;
+		}
 
 		/* a stall is a fatal condition from the device */
 		if (result == -EPIPE) {
@@ -1108,9 +1115,11 @@ int usb_stor_CB_transport(Scsi_Cmnd *srb, struct us_data *us)
 			result = usb_stor_clear_halt(us,
 				usb_sndctrlpipe(us->pusb_dev, 0));
 
-			/* if the command was aborted, indicate that */
-			if (result == -ENOENT)
-				return USB_STOR_TRANSPORT_ABORTED;
+			/* did we abort this command? */
+			if (atomic_read(&us->sm_state) == US_STATE_ABORTING) {
+				US_DEBUGP("usb_stor_CB_transport(): transfer aborted\n");
+				return US_BULK_TRANSFER_ABORTED;
+			}
 			return USB_STOR_TRANSPORT_FAILED;
 		}
 
@@ -1215,18 +1224,22 @@ int usb_stor_Bulk_transport(Scsi_Cmnd *srb, struct us_data *us)
 				   &partial);
 	US_DEBUGP("Bulk command transfer result=%d\n", result);
 
-	/* if the command was aborted, indicate that */
-	if (result == -ENOENT)
-		return USB_STOR_TRANSPORT_ABORTED;
+	/* did we abort this command? */
+	if (atomic_read(&us->sm_state) == US_STATE_ABORTING) {
+		US_DEBUGP("usb_stor_Bulk_transport(): transfer aborted\n");
+		return US_BULK_TRANSFER_ABORTED;
+	}
 
 	/* if we stall, we need to clear it before we go on */
 	if (result == -EPIPE) {
 		US_DEBUGP("clearing endpoint halt for pipe 0x%x\n", pipe);
 		result = usb_stor_clear_halt(us, pipe);
 
-		/* if the command was aborted, indicate that */
-		if (result == -ENOENT)
-			return USB_STOR_TRANSPORT_ABORTED;
+		/* did we abort this command? */
+		if (atomic_read(&us->sm_state) == US_STATE_ABORTING) {
+			US_DEBUGP("usb_stor_Bulk_transport(): transfer aborted\n");
+			return US_BULK_TRANSFER_ABORTED;
+		}
 		result = -EPIPE;
 	} else if (result) {
 		/* unknown error -- we've got a problem */
@@ -1259,36 +1272,44 @@ int usb_stor_Bulk_transport(Scsi_Cmnd *srb, struct us_data *us)
 	result = usb_stor_bulk_msg(us, &bcs, pipe, US_BULK_CS_WRAP_LEN, 
 				   &partial);
 
-	/* if the command was aborted, indicate that */
-	if (result == -ENOENT)
-		return USB_STOR_TRANSPORT_ABORTED;
+	/* did we abort this command? */
+	if (atomic_read(&us->sm_state) == US_STATE_ABORTING) {
+		US_DEBUGP("usb_stor_Bulk_transport(): transfer aborted\n");
+		return US_BULK_TRANSFER_ABORTED;
+	}
 
 	/* did the attempt to read the CSW fail? */
 	if (result == -EPIPE) {
 		US_DEBUGP("clearing endpoint halt for pipe 0x%x\n", pipe);
 		result = usb_stor_clear_halt(us, pipe);
 
-		/* if the command was aborted, indicate that */
-		if (result == -ENOENT)
-			return USB_STOR_TRANSPORT_ABORTED;
+		/* did we abort this command? */
+		if (atomic_read(&us->sm_state) == US_STATE_ABORTING) {
+			US_DEBUGP("usb_stor_Bulk_transport(): transfer aborted\n");
+			return US_BULK_TRANSFER_ABORTED;
+		}
 
 		/* get the status again */
 		US_DEBUGP("Attempting to get CSW (2nd try)...\n");
 		result = usb_stor_bulk_msg(us, &bcs, pipe,
 					   US_BULK_CS_WRAP_LEN, &partial);
 
-		/* if the command was aborted, indicate that */
-		if (result == -ENOENT)
-			return USB_STOR_TRANSPORT_ABORTED;
+		/* did we abort this command? */
+		if (atomic_read(&us->sm_state) == US_STATE_ABORTING) {
+			US_DEBUGP("usb_stor_Bulk_transport(): transfer aborted\n");
+			return US_BULK_TRANSFER_ABORTED;
+		}
 
 		/* if it fails again, we need a reset and return an error*/
 		if (result == -EPIPE) {
 			US_DEBUGP("clearing halt for pipe 0x%x\n", pipe);
 			result = usb_stor_clear_halt(us, pipe);
 
-			/* if the command was aborted, indicate that */
-			if (result == -ENOENT)
-				return USB_STOR_TRANSPORT_ABORTED;
+			/* did we abort this command? */
+			if (atomic_read(&us->sm_state) == US_STATE_ABORTING) {
+				US_DEBUGP("usb_stor_Bulk_transport(): transfer aborted\n");
+				return US_BULK_TRANSFER_ABORTED;
+			}
 			return USB_STOR_TRANSPORT_ERROR;
 		}
 	}

include/linux/usb.h

@@ -713,6 +713,8 @@ struct usb_driver {
 	/* void (*resume)(struct usb_device *dev); */
 };
 
+extern struct bus_type usb_bus_type;
+
 /*
  * use these in module_init()/module_exit()
  * and don't forget MODULE_DEVICE_TABLE(usb, ...)