diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/renesas_usbhs/fifo.c | 4 | ||||
| -rw-r--r-- | drivers/usb/renesas_usbhs/mod_gadget.c | 6 | ||||
| -rw-r--r-- | drivers/usb/storage/uas.c | 21 | ||||
| -rw-r--r-- | drivers/usb/storage/unusual_uas.h | 7 | ||||
| -rw-r--r-- | drivers/usb/storage/usb.c | 5 |
5 files changed, 38 insertions, 5 deletions
diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index c0f5c652d..f1893e08e 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -190,7 +190,8 @@ static int usbhsf_pkt_handler(struct usbhs_pipe *pipe, int type) goto __usbhs_pkt_handler_end; } - ret = func(pkt, &is_done); + if (likely(func)) + ret = func(pkt, &is_done); if (is_done) __usbhsf_pkt_del(pkt); @@ -889,6 +890,7 @@ static int usbhsf_dma_prepare_push(struct usbhs_pkt *pkt, int *is_done) pkt->trans = len; + usbhsf_tx_irq_ctrl(pipe, 0); INIT_WORK(&pkt->work, xfer_work); schedule_work(&pkt->work); diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index 657f9672c..251053551 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -158,10 +158,14 @@ static void usbhsg_queue_done(struct usbhs_priv *priv, struct usbhs_pkt *pkt) struct usbhs_pipe *pipe = pkt->pipe; struct usbhsg_uep *uep = usbhsg_pipe_to_uep(pipe); struct usbhsg_request *ureq = usbhsg_pkt_to_ureq(pkt); + unsigned long flags; ureq->req.actual = pkt->actual; - usbhsg_queue_pop(uep, ureq, 0); + usbhs_lock(priv, flags); + if (uep) + __usbhsg_queue_pop(uep, ureq, 0); + usbhs_unlock(priv, flags); } static void usbhsg_queue_push(struct usbhsg_uep *uep, diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index c90a7e46c..e4ade8d89 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -2,7 +2,7 @@ * USB Attached SCSI * Note that this is not the same as the USB Mass Storage driver * - * Copyright Hans de Goede <hdegoede@redhat.com> for Red Hat, Inc. 2013 - 2014 + * Copyright Hans de Goede <hdegoede@redhat.com> for Red Hat, Inc. 2013 - 2016 * Copyright Matthew Wilcox for Intel Corp, 2010 * Copyright Sarah Sharp for Intel Corp, 2010 * @@ -757,6 +757,17 @@ static int uas_eh_bus_reset_handler(struct scsi_cmnd *cmnd) return SUCCESS; } +static int uas_target_alloc(struct scsi_target *starget) +{ + struct uas_dev_info *devinfo = (struct uas_dev_info *) + dev_to_shost(starget->dev.parent)->hostdata; + + if (devinfo->flags & US_FL_NO_REPORT_LUNS) + starget->no_report_luns = 1; + + return 0; +} + static int uas_slave_alloc(struct scsi_device *sdev) { struct uas_dev_info *devinfo = @@ -800,7 +811,6 @@ static int uas_slave_configure(struct scsi_device *sdev) if (devinfo->flags & US_FL_BROKEN_FUA) sdev->broken_fua = 1; - scsi_change_queue_depth(sdev, devinfo->qdepth - 2); return 0; } @@ -808,6 +818,7 @@ static struct scsi_host_template uas_host_template = { .module = THIS_MODULE, .name = "uas", .queuecommand = uas_queuecommand, + .target_alloc = uas_target_alloc, .slave_alloc = uas_slave_alloc, .slave_configure = uas_slave_configure, .eh_abort_handler = uas_eh_abort_handler, @@ -932,6 +943,12 @@ static int uas_probe(struct usb_interface *intf, const struct usb_device_id *id) if (result) goto set_alt0; + /* + * 1 tag is reserved for untagged commands + + * 1 tag to avoid off by one errors in some bridge firmwares + */ + shost->can_queue = devinfo->qdepth - 2; + usb_set_intfdata(intf, shost); result = scsi_add_host(shost, &intf->dev); if (result) diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h index ccc113e83..53341a77d 100644 --- a/drivers/usb/storage/unusual_uas.h +++ b/drivers/usb/storage/unusual_uas.h @@ -64,6 +64,13 @@ UNUSUAL_DEV(0x0bc2, 0x3312, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NO_ATA_1X), +/* Reported-by: David Webb <djw@noc.ac.uk> */ +UNUSUAL_DEV(0x0bc2, 0x331a, 0x0000, 0x9999, + "Seagate", + "Expansion Desk", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_NO_REPORT_LUNS), + /* Reported-by: Hans de Goede <hdegoede@redhat.com> */ UNUSUAL_DEV(0x0bc2, 0x3320, 0x0000, 0x9999, "Seagate", diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index 43576ed31..9de988a0f 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -482,7 +482,7 @@ void usb_stor_adjust_quirks(struct usb_device *udev, unsigned long *fflags) US_FL_NO_READ_DISC_INFO | US_FL_NO_READ_CAPACITY_16 | US_FL_INITIAL_READ10 | US_FL_WRITE_CACHE | US_FL_NO_ATA_1X | US_FL_NO_REPORT_OPCODES | - US_FL_MAX_SECTORS_240); + US_FL_MAX_SECTORS_240 | US_FL_NO_REPORT_LUNS); p = quirks; while (*p) { @@ -532,6 +532,9 @@ void usb_stor_adjust_quirks(struct usb_device *udev, unsigned long *fflags) case 'i': f |= US_FL_IGNORE_DEVICE; break; + case 'j': + f |= US_FL_NO_REPORT_LUNS; + break; case 'l': f |= US_FL_NOT_LOCKABLE; break; |