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8299d1f057
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted patches, wireless patches and defconfig patches. bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 4B v1.1 4G bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
34 lines
1.3 KiB
Diff
34 lines
1.3 KiB
Diff
From bdc90a7b7ee57434a37adcfcb07f98309cb3426b Mon Sep 17 00:00:00 2001
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From: Jonathan Bell <jonathan@raspberrypi.org>
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Date: Wed, 7 Oct 2020 15:09:29 +0100
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Subject: [PATCH] dwc_otg: initialise sched_frame for periodic QHs that
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were parked
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If a periodic QH has no remaining QTDs, then it is removed from all
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periodic schedules. When re-adding, initialise the sched_frame and
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start_split_frame from the current value of the frame counter.
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See https://bugs.launchpad.net/raspbian/+bug/1819560
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and
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https://github.com/raspberrypi/linux/issues/3883
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Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
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---
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drivers/usb/host/dwc_otg/dwc_otg_hcd_queue.c | 4 ++++
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1 file changed, 4 insertions(+)
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--- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_queue.c
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+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_queue.c
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@@ -689,7 +689,11 @@ int dwc_otg_hcd_qh_add(dwc_otg_hcd_t * h
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&qh->qh_list_entry);
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//hcd->fiq_state->kick_np_queues = 1;
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} else {
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+ /* If the QH wasn't in a schedule, then sched_frame is stale. */
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+ qh->sched_frame = dwc_frame_num_inc(dwc_otg_hcd_get_frame_number(hcd),
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+ SCHEDULE_SLOP);
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status = schedule_periodic(hcd, qh);
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+ qh->start_split_frame = qh->sched_frame;
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if ( !hcd->periodic_qh_count ) {
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intr_mask.b.sofintr = 1;
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if (fiq_enable) {
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