Merge branch 'usb-next' into musb-merge
* usb-next: (132 commits) USB: uas: Use GFP_NOIO instead of GFP_KERNEL in I/O submission path USB: uas: Ensure we only bind to a UAS interface USB: uas: Rename sense pipe and sense urb to status pipe and status urb USB: uas: Use kzalloc instead of kmalloc USB: uas: Fix up the Sense IU usb: musb: core: kill unneeded #include's DA8xx: assign name to MUSB IRQ resource usb: gadget: g_ncm added usb: gadget: f_ncm.c added usb: gadget: u_ether: prepare for NCM usb: pch_udc: Fix setup transfers with data out usb: pch_udc: Fix compile error, warnings and checkpatch warnings usb: add ab8500 usb transceiver driver USB: gadget: Implement runtime PM for MSM bus glue driver USB: gadget: Implement runtime PM for ci13xxx gadget USB: gadget: Add USB controller driver for MSM SoC USB: gadget: Introduce ci13xxx_udc_driver struct USB: gadget: Initialize ci13xxx gadget device's coherent DMA mask USB: gadget: Fix "scheduling while atomic" bugs in ci13xxx_udc USB: gadget: Separate out PCI bus code from ci13xxx_udc ...
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@@ -436,6 +436,28 @@ static unsigned int mon_bin_get_data(const struct mon_reader_bin *rp,
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return length;
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}
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/*
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* This is the look-ahead pass in case of 'C Zi', when actual_length cannot
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* be used to determine the length of the whole contiguous buffer.
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*/
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static unsigned int mon_bin_collate_isodesc(const struct mon_reader_bin *rp,
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struct urb *urb, unsigned int ndesc)
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{
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struct usb_iso_packet_descriptor *fp;
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unsigned int length;
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length = 0;
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fp = urb->iso_frame_desc;
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while (ndesc-- != 0) {
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if (fp->actual_length != 0) {
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if (fp->offset + fp->actual_length > length)
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length = fp->offset + fp->actual_length;
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}
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fp++;
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}
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return length;
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}
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static void mon_bin_get_isodesc(const struct mon_reader_bin *rp,
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unsigned int offset, struct urb *urb, char ev_type, unsigned int ndesc)
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{
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@@ -478,6 +500,10 @@ static void mon_bin_event(struct mon_reader_bin *rp, struct urb *urb,
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/*
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* Find the maximum allowable length, then allocate space.
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*/
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urb_length = (ev_type == 'S') ?
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urb->transfer_buffer_length : urb->actual_length;
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length = urb_length;
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if (usb_endpoint_xfer_isoc(epd)) {
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if (urb->number_of_packets < 0) {
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ndesc = 0;
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@@ -486,14 +512,16 @@ static void mon_bin_event(struct mon_reader_bin *rp, struct urb *urb,
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} else {
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ndesc = urb->number_of_packets;
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}
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if (ev_type == 'C' && usb_urb_dir_in(urb))
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length = mon_bin_collate_isodesc(rp, urb, ndesc);
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} else {
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ndesc = 0;
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}
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lendesc = ndesc*sizeof(struct mon_bin_isodesc);
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urb_length = (ev_type == 'S') ?
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urb->transfer_buffer_length : urb->actual_length;
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length = urb_length;
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/* not an issue unless there's a subtle bug in a HCD somewhere */
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if (length >= urb->transfer_buffer_length)
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length = urb->transfer_buffer_length;
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if (length >= rp->b_size/5)
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length = rp->b_size/5;
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