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authorLinus Torvalds <torvalds@g5.osdl.org>2006-03-21 12:25:47 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-21 12:25:47 -0500
commit2bf2154c6bb5599e3ec3f73c34861a0b12aa839e (patch)
tree62691bd915e2e3c2e6648306d3fb893f7a1dc57e /drivers/usb/host/ehci-sched.c
parent08a4ecee986dd98e86090ff5faac4782b6765aed (diff)
parent71a8924bee63d891f6256d560e32416a458440b3 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6: (81 commits) [PATCH] USB: omninet: fix up debugging comments [PATCH] USB serial: add navman driver [PATCH] USB: Fix irda-usb use after use [PATCH] USB: rtl8150 small fix [PATCH] USB: ftdi_sio: add Icom ID1 USB product and vendor ids [PATCH] USB: cp2101: add new device IDs [PATCH] USB: fix check_ctrlrecip to allow control transfers in state ADDRESS [PATCH] USB: vicam.c: fix a NULL pointer dereference [PATCH] USB: ZC0301 driver bugfix [PATCH] USB: add support for Creativelabs Silvercrest USB keyboard [PATCH] USB: storage: new unusual_devs.h entry: Mitsumi 7in1 Card Reader [PATCH] USB: storage: unusual_devs.h entry 0420:0001 [PATCH] USB: storage: another unusual_devs.h entry [PATCH] USB: storage: sandisk unusual_devices entry [PATCH] USB: fix initdata issue in isp116x-hcd [PATCH] USB: usbcore: usb_set_configuration oops (NULL ptr dereference) [PATCH] USB: usbcore: Don't assume a USB configuration includes any interfaces [PATCH] USB: ub 03 drop stall clearing [PATCH] USB: ub 02 remove diag [PATCH] USB: ub 01 remove first_open ...
Diffstat (limited to 'drivers/usb/host/ehci-sched.c')
-rw-r--r--drivers/usb/host/ehci-sched.c20
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index ebcca9700671..5871944e6145 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -707,6 +707,7 @@ iso_stream_init (
707 } else { 707 } else {
708 u32 addr; 708 u32 addr;
709 int think_time; 709 int think_time;
710 int hs_transfers;
710 711
711 addr = dev->ttport << 24; 712 addr = dev->ttport << 24;
712 if (!ehci_is_TDI(ehci) 713 if (!ehci_is_TDI(ehci)
@@ -719,6 +720,7 @@ iso_stream_init (
719 think_time = dev->tt ? dev->tt->think_time : 0; 720 think_time = dev->tt ? dev->tt->think_time : 0;
720 stream->tt_usecs = NS_TO_US (think_time + usb_calc_bus_time ( 721 stream->tt_usecs = NS_TO_US (think_time + usb_calc_bus_time (
721 dev->speed, is_input, 1, maxp)); 722 dev->speed, is_input, 1, maxp));
723 hs_transfers = max (1u, (maxp + 187) / 188);
722 if (is_input) { 724 if (is_input) {
723 u32 tmp; 725 u32 tmp;
724 726
@@ -727,12 +729,11 @@ iso_stream_init (
727 stream->usecs = HS_USECS_ISO (1); 729 stream->usecs = HS_USECS_ISO (1);
728 stream->raw_mask = 1; 730 stream->raw_mask = 1;
729 731
730 /* pessimistic c-mask */ 732 /* c-mask as specified in USB 2.0 11.18.4 3.c */
731 tmp = usb_calc_bus_time (USB_SPEED_FULL, 1, 0, maxp) 733 tmp = (1 << (hs_transfers + 2)) - 1;
732 / (125 * 1000); 734 stream->raw_mask |= tmp << (8 + 2);
733 stream->raw_mask |= 3 << (tmp + 9);
734 } else 735 } else
735 stream->raw_mask = smask_out [maxp / 188]; 736 stream->raw_mask = smask_out [hs_transfers - 1];
736 bandwidth = stream->usecs + stream->c_usecs; 737 bandwidth = stream->usecs + stream->c_usecs;
737 bandwidth /= 1 << (interval + 2); 738 bandwidth /= 1 << (interval + 2);
738 739
@@ -863,9 +864,8 @@ iso_sched_alloc (unsigned packets, gfp_t mem_flags)
863 int size = sizeof *iso_sched; 864 int size = sizeof *iso_sched;
864 865
865 size += packets * sizeof (struct ehci_iso_packet); 866 size += packets * sizeof (struct ehci_iso_packet);
866 iso_sched = kmalloc (size, mem_flags); 867 iso_sched = kzalloc(size, mem_flags);
867 if (likely (iso_sched != NULL)) { 868 if (likely (iso_sched != NULL)) {
868 memset(iso_sched, 0, size);
869 INIT_LIST_HEAD (&iso_sched->td_list); 869 INIT_LIST_HEAD (&iso_sched->td_list);
870 } 870 }
871 return iso_sched; 871 return iso_sched;
@@ -1398,7 +1398,7 @@ itd_complete (
1398 */ 1398 */
1399 1399
1400 /* give urb back to the driver ... can be out-of-order */ 1400 /* give urb back to the driver ... can be out-of-order */
1401 dev = usb_get_dev (urb->dev); 1401 dev = urb->dev;
1402 ehci_urb_done (ehci, urb, regs); 1402 ehci_urb_done (ehci, urb, regs);
1403 urb = NULL; 1403 urb = NULL;
1404 1404
@@ -1417,7 +1417,6 @@ itd_complete (
1417 (stream->bEndpointAddress & USB_DIR_IN) ? "in" : "out"); 1417 (stream->bEndpointAddress & USB_DIR_IN) ? "in" : "out");
1418 } 1418 }
1419 iso_stream_put (ehci, stream); 1419 iso_stream_put (ehci, stream);
1420 usb_put_dev (dev);
1421 1420
1422 return 1; 1421 return 1;
1423} 1422}
@@ -1764,7 +1763,7 @@ sitd_complete (
1764 */ 1763 */
1765 1764
1766 /* give urb back to the driver */ 1765 /* give urb back to the driver */
1767 dev = usb_get_dev (urb->dev); 1766 dev = urb->dev;
1768 ehci_urb_done (ehci, urb, regs); 1767 ehci_urb_done (ehci, urb, regs);
1769 urb = NULL; 1768 urb = NULL;
1770 1769
@@ -1783,7 +1782,6 @@ sitd_complete (
1783 (stream->bEndpointAddress & USB_DIR_IN) ? "in" : "out"); 1782 (stream->bEndpointAddress & USB_DIR_IN) ? "in" : "out");
1784 } 1783 }
1785 iso_stream_put (ehci, stream); 1784 iso_stream_put (ehci, stream);
1786 usb_put_dev (dev);
1787 1785
1788 return 1; 1786 return 1;
1789} 1787}