tree: git://linuxtv.org/media_tree.git master
head: 7955f03d18d14d18188f94581a4ea336c94b1e2d
commit: 7955f03d18d14d18188f94581a4ea336c94b1e2d [499/499] [media] go7007: move out of staging into drivers/media/usb.
reproduce: make C=1 CF=-D__CHECK_ENDIAN__
sparse warnings: (new ones prefixed by >>)
>> drivers/media/usb/go7007/go7007-usb.c:699:30: sparse: cast to restricted __le16
>> drivers/media/usb/go7007/go7007-usb.c:769:38: sparse: cast to restricted __le16
>> drivers/media/usb/go7007/go7007-usb.c:770:39: sparse: cast to restricted __le16
vim +699 drivers/media/usb/go7007/go7007-usb.c
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 693 usb_rcvctrlpipe(usb->usbdev, 0), 0x14,
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 694 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
9b6ebf33 drivers/staging/media/go7007/go7007-usb.c Hans Verkuil 2013-03-09 695 0, HPI_STATUS_ADDR, go->usb_buf,
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 696 sizeof(status_reg), timeout);
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 697 if (r < 0)
9b6ebf33 drivers/staging/media/go7007/go7007-usb.c Hans Verkuil 2013-03-09 698 break;
9b6ebf33 drivers/staging/media/go7007/go7007-usb.c Hans Verkuil 2013-03-09 @699 status_reg = le16_to_cpu(*((u16 *)go->usb_buf));
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 700 if (!(status_reg & 0x0010))
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 701 break;
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 702 msleep(10);
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 703 }
9b6ebf33 drivers/staging/media/go7007/go7007-usb.c Hans Verkuil 2013-03-09 704 if (r < 0)
9b6ebf33 drivers/staging/media/go7007/go7007-usb.c Hans Verkuil 2013-03-09 705 goto write_int_error;
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 706 if (i == 100) {
44ee8e80 drivers/staging/media/go7007/go7007-usb.c Dulshani Gunawardhana 2013-10-20 707 dev_err(go->dev, "device is hung, status reg = 0x%04x\n", status_reg);
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 708 return -1;
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 709 }
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 710 r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0), 0x12,
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 711 USB_TYPE_VENDOR | USB_RECIP_DEVICE, data,
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 712 INT_PARAM_ADDR, NULL, 0, timeout);
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 713 if (r < 0)
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 714 goto write_int_error;
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 715 r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0),
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 716 0x12, USB_TYPE_VENDOR | USB_RECIP_DEVICE, addr,
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 717 INT_INDEX_ADDR, NULL, 0, timeout);
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 718 if (r < 0)
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 719 goto write_int_error;
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 720 return 0;
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 721
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 722 write_int_error:
44ee8e80 drivers/staging/media/go7007/go7007-usb.c Dulshani Gunawardhana 2013-10-20 723 dev_err(go->dev, "error in WriteInterrupt: %d\n", r);
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 724 return r;
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 725 }
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 726
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 727 static int go7007_usb_onboard_write_interrupt(struct go7007 *go,
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 728 int addr, int data)
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 729 {
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 730 struct go7007_usb *usb = go->hpi_context;
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 731 int r;
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 732 int timeout = 500;
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 733
66a528c1 drivers/staging/media/go7007/go7007-usb.c Greg Kroah-Hartman 2013-11-25 734 pr_debug("WriteInterrupt: %04x %04x\n", addr, data);
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 735
9b6ebf33 drivers/staging/media/go7007/go7007-usb.c Hans Verkuil 2013-03-09 736 go->usb_buf[0] = data & 0xff;
9b6ebf33 drivers/staging/media/go7007/go7007-usb.c Hans Verkuil 2013-03-09 737 go->usb_buf[1] = data >> 8;
9b6ebf33 drivers/staging/media/go7007/go7007-usb.c Hans Verkuil 2013-03-09 738 go->usb_buf[2] = addr & 0xff;
9b6ebf33 drivers/staging/media/go7007/go7007-usb.c Hans Verkuil 2013-03-09 739 go->usb_buf[3] = addr >> 8;
9b6ebf33 drivers/staging/media/go7007/go7007-usb.c Hans Verkuil 2013-03-09 740 go->usb_buf[4] = go->usb_buf[5] = go->usb_buf[6] = go->usb_buf[7] = 0;
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 741 r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 2), 0x00,
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 742 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0x55aa,
9b6ebf33 drivers/staging/media/go7007/go7007-usb.c Hans Verkuil 2013-03-09 743 0xf0f0, go->usb_buf, 8, timeout);
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 744 if (r < 0) {
44ee8e80 drivers/staging/media/go7007/go7007-usb.c Dulshani Gunawardhana 2013-10-20 745 dev_err(go->dev, "error in WriteInterrupt: %d\n", r);
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 746 return r;
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 747 }
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 748 return 0;
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 749 }
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 750
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 751 static void go7007_usb_readinterrupt_complete(struct urb *urb)
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 752 {
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 753 struct go7007 *go = (struct go7007 *)urb->context;
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 754 u16 *regs = (u16 *)urb->transfer_buffer;
9efb0525 drivers/staging/go7007/go7007-usb.c Oliver Neukum 2008-12-18 755 int status = urb->status;
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 756
9efb0525 drivers/staging/go7007/go7007-usb.c Oliver Neukum 2008-12-18 757 if (status) {
9efb0525 drivers/staging/go7007/go7007-usb.c Oliver Neukum 2008-12-18 758 if (status != -ESHUTDOWN &&
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 759 go->status != STATUS_SHUTDOWN) {
44ee8e80 drivers/staging/media/go7007/go7007-usb.c Dulshani Gunawardhana 2013-10-20 760 dev_err(go->dev, "error in read interrupt: %d\n", urb->status);
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 761 } else {
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 762 wake_up(&go->interrupt_waitq);
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 763 return;
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 764 }
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 765 } else if (urb->actual_length != urb->transfer_buffer_length) {
44ee8e80 drivers/staging/media/go7007/go7007-usb.c Dulshani Gunawardhana 2013-10-20 766 dev_err(go->dev, "short read in interrupt pipe!\n");
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 767 } else {
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 768 go->interrupt_available = 1;
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 @769 go->interrupt_data = __le16_to_cpu(regs[0]);
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 @770 go->interrupt_value = __le16_to_cpu(regs[1]);
66a528c1 drivers/staging/media/go7007/go7007-usb.c Greg Kroah-Hartman 2013-11-25 771 pr_debug("ReadInterrupt: %04x %04x\n",
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 772 go->interrupt_value, go->interrupt_data);
866b8695 drivers/staging/go7007/go7007-usb.c Greg Kroah-Hartman 2008-02-15 773 }
:::::: The code at line 699 was first introduced by commit
:::::: 9b6ebf3309d1b2e62727133b446397a783813331 [media] go7007: fix DMA related errors
:::::: TO: Hans Verkuil <hans.verkuil@xxxxxxxxx>
:::::: CC: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
---
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