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fce21ae4cc
Right now all brcm2708 patches are extracted from the non-mainline raspberrypi/linux git tree. Many of them are hacks and/or are unneeded in LEDE. Raspberry Pi is getting better and better mainline support so it would be nice to finally start maintaining patches in a cleaner way: 1) Backport patches accepted in upstream tree 2) Start using upstream drivers 3) Pick only these patches that are needed for more complete support Handling above tasks requires grouping patches - ideally using the same prefixes as generic ones. It means we should rename existing patches to use some high prefix. This will allow e.g. use 0xx for backported code. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Stijn Tintel <stijn@linux-ipv6.be>
29 lines
1.1 KiB
Diff
29 lines
1.1 KiB
Diff
From f9efb72c44da2cce9cceca01c8f6118ec1605c69 Mon Sep 17 00:00:00 2001
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From: Martin Cerveny <M.Cerveny@computer.org>
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Date: Mon, 13 Feb 2017 17:23:47 +0100
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Subject: [PATCH] dwc_otg: fix summarize urb->actual_length for isochronous
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transfers
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Kernel does not copy input data of ISO transfers to userspace
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if actual_length is set only in ISO transfers and not summarized
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in urb->actual_length. Fixes raspberrypi/linux#903
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---
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drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c | 2 ++
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1 file changed, 2 insertions(+)
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--- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
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+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
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@@ -334,10 +334,12 @@ static int _complete(dwc_otg_hcd_t * hcd
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int i;
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urb->error_count = dwc_otg_hcd_urb_get_error_count(dwc_otg_urb);
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+ urb->actual_length = 0;
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for (i = 0; i < urb->number_of_packets; ++i) {
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urb->iso_frame_desc[i].actual_length =
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dwc_otg_hcd_urb_get_iso_desc_actual_length
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(dwc_otg_urb, i);
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+ urb->actual_length += urb->iso_frame_desc[i].actual_length;
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urb->iso_frame_desc[i].status =
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dwc_otg_hcd_urb_get_iso_desc_status(dwc_otg_urb, i);
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}
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