diff options
| author | Godfrey Mwangi <godmwan@microsoft.com> | 2023-08-04 12:00:39 -0700 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2024-10-14 22:17:17 +0200 |
| commit | fe91450a596b558de31ae23f917e53201bc6b4c7 (patch) | |
| tree | dc52ab3653866ecbe4372b1de38f7316db9ac8b3 | |
| parent | c7aafb20ce9937f1e178ded46d8f22742f54c982 (diff) | |
usb: xhci: pet watchdog during transfers
On some platforms with low USB throughput, tranfers
of huge files take a long time and watchdog timer can
expire resulting in hardware reset. Avoid this by
petting the watchdog as long as we have pending transfers.
Signed-off-by: Godfrey Mwangi <godmwan@microsoft.com>
Reviewed-by: Marek Vasut <marex@denx.de>
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 68cf08e0b6b..34eb4536f0e 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -17,6 +17,7 @@ #include <log.h> #include <asm/byteorder.h> #include <usb.h> +#include <watchdog.h> #include <asm/unaligned.h> #include <linux/bug.h> #include <linux/errno.h> @@ -796,6 +797,8 @@ int xhci_bulk_tx(struct usb_device *udev, unsigned long pipe, /* Calculate length for next transfer */ addr += trb_buff_len; trb_buff_len = min((length - running_total), TRB_MAX_BUFF_SIZE); + + schedule(); } while (running_total < length); giveback_first_trb(udev, ep_index, start_cycle, start_trb); |