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fix(usb/host): Set SCHED_INFO for all channels

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Although the hardware documentation suggests that SCHED_INFO is only used
for periodic channels, empirical evidence shows that omitting this configuration
on non-periodic channels can cause them to freeze.
Therefore, we set this field for all channels to ensure reliable operation.
This commit is contained in:
Tomas Rezucha
2025-02-04 11:02:29 +01:00
committed by BOT
parent df6e92eba2
commit e80a84c148
4 changed files with 56 additions and 5 deletions
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19
components/hal/esp32s3/include/hal/usb_dwc_ll.h
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2020-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2020-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -763,6 +763,23 @@ static inline void usb_dwc_ll_hcintmsk_set_intr_mask(volatile usb_dwc_host_chan_
// ---------------------------- HCTSIZi Register -------------------------------
static inline void usb_dwc_ll_hctsiz_init(volatile usb_dwc_host_chan_regs_t *chan)
{
usb_dwc_hctsiz_reg_t hctsiz;
hctsiz.val = chan->hctsiz_reg.val;
hctsiz.dopng = 0; // Don't do ping
hctsiz.pid = 0; // Set PID to DATA0
/*
* Set SCHED_INFO which occupies xfersize[7:0]
*
* Although the hardware documentation suggests that SCHED_INFO is only used for periodic channels,
* empirical evidence shows that omitting this configuration on non-periodic channels can cause them to freeze.
* Therefore, we set this field for all channels to ensure reliable operation.
*/
hctsiz.xfersize |= 0xFF;
chan->hctsiz_reg.val = hctsiz.val;
}
static inline void usb_dwc_ll_hctsiz_set_pid(volatile usb_dwc_host_chan_regs_t *chan, uint32_t data_pid)
{
if (data_pid == 0) {