diff options
| author | riastradh <riastradh@NetBSD.org> | 2022-03-03 06:09:44 +0000 |
|---|---|---|
| committer | riastradh <riastradh@NetBSD.org> | 2022-03-03 06:09:44 +0000 |
| commit | bd4425a4d0844638244bb2906ce6c63b663b84ec (patch) | |
| tree | 45867eee5bba6cd180b3a2b61a1d4da8aa5da8de /sys/dev | |
| parent | 473a1d63abdf0d398d404db2c34145ed2d7f0b66 (diff) | |
usb: Inline usb_insert_transfer.
This makes it clearer which part happens irrespective of error
(putting it on the queue -- unconditional, not rolled back by
usb_insert_transfer) and what the possible `errors' mean (neither of
which is an error, per se).
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/usb/usbdi.c | 47 |
1 files changed, 12 insertions, 35 deletions
diff --git a/sys/dev/usb/usbdi.c b/sys/dev/usb/usbdi.c index 4ee74a37a36..c3e4e33a117 100644 --- a/sys/dev/usb/usbdi.c +++ b/sys/dev/usb/usbdi.c @@ -1,4 +1,4 @@ -/* $NetBSD: usbdi.c,v 1.228 2022/03/03 06:09:33 riastradh Exp $ */ +/* $NetBSD: usbdi.c,v 1.229 2022/03/03 06:09:44 riastradh Exp $ */ /* * Copyright (c) 1998, 2012, 2015 The NetBSD Foundation, Inc. @@ -32,7 +32,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: usbdi.c,v 1.228 2022/03/03 06:09:33 riastradh Exp $"); +__KERNEL_RCSID(0, "$NetBSD: usbdi.c,v 1.229 2022/03/03 06:09:44 riastradh Exp $"); #ifdef _KERNEL_OPT #include "opt_usb.h" @@ -114,7 +114,6 @@ SDT_PROBE_DEFINE2(usb, device, xfer, done, SDT_PROBE_DEFINE1(usb, device, xfer, destroy, "struct usbd_xfer *"/*xfer*/); Static void usbd_ar_pipe(struct usbd_pipe *); -static usbd_status usb_insert_transfer(struct usbd_xfer *); Static void usbd_start_next(struct usbd_pipe *); Static usbd_status usbd_open_pipe_ival (struct usbd_interface *, uint8_t, uint8_t, struct usbd_pipe **, int); @@ -407,7 +406,16 @@ usbd_transfer(struct usbd_xfer *xfer) SDT_PROBE2(usb, device, pipe, transfer__start, pipe, xfer); do { usbd_lock_pipe(pipe); - err = usb_insert_transfer(xfer); +#ifdef DIAGNOSTIC + xfer->ux_state = XFER_ONQU; +#endif + SIMPLEQ_INSERT_TAIL(&pipe->up_queue, xfer, ux_next); + if (pipe->up_running && pipe->up_serialise) { + err = USBD_IN_PROGRESS; + } else { + pipe->up_running = 1; + err = USBD_NORMAL_COMPLETION; + } usbd_unlock_pipe(pipe); if (err) break; @@ -1153,37 +1161,6 @@ usb_transfer_complete(struct usbd_xfer *xfer) } /* Called with USB lock held. */ -static usbd_status -usb_insert_transfer(struct usbd_xfer *xfer) -{ - struct usbd_pipe *pipe = xfer->ux_pipe; - usbd_status err; - - USBHIST_FUNC(); USBHIST_CALLARGS(usbdebug, - "xfer = %#jx pipe = %#jx running = %jd timeout = %jd", - (uintptr_t)xfer, (uintptr_t)pipe, - pipe->up_running, xfer->ux_timeout); - - KASSERT(mutex_owned(pipe->up_dev->ud_bus->ub_lock)); - KASSERTMSG(xfer->ux_state == XFER_BUSY, "xfer %p state is %x", xfer, - xfer->ux_state); - -#ifdef DIAGNOSTIC - xfer->ux_state = XFER_ONQU; -#endif - SIMPLEQ_INSERT_TAIL(&pipe->up_queue, xfer, ux_next); - if (pipe->up_running && pipe->up_serialise) - err = USBD_IN_PROGRESS; - else { - pipe->up_running = 1; - err = USBD_NORMAL_COMPLETION; - } - USBHIST_LOG(usbdebug, "<- done xfer %#jx, err %jd", (uintptr_t)xfer, - err, 0, 0); - return err; -} - -/* Called with USB lock held. */ void usbd_start_next(struct usbd_pipe *pipe) { |
