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[src/trunk]: src/sys/dev/usb Consolidate logic to call the transfer callback.



details:   https://anonhg.NetBSD.org/src/rev/375cb62c5de6
branches:  trunk
changeset: 744956:375cb62c5de6
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Wed Feb 19 16:02:33 2020 +0000

description:
Consolidate logic to call the transfer callback.

No functional change intended.

diffstat:

 sys/dev/usb/umass.c |  87 ++++++++++++++++++++++++----------------------------
 1 files changed, 41 insertions(+), 46 deletions(-)

diffs (195 lines):

diff -r 2875e351ab8d -r 375cb62c5de6 sys/dev/usb/umass.c
--- a/sys/dev/usb/umass.c       Wed Feb 19 16:01:37 2020 +0000
+++ b/sys/dev/usb/umass.c       Wed Feb 19 16:02:33 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: umass.c,v 1.177 2020/02/19 16:00:28 riastradh Exp $    */
+/*     $NetBSD: umass.c,v 1.178 2020/02/19 16:02:33 riastradh Exp $    */
 
 /*
  * Copyright (c) 2003 The NetBSD Foundation, Inc.
@@ -124,7 +124,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: umass.c,v 1.177 2020/02/19 16:00:28 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: umass.c,v 1.178 2020/02/19 16:02:33 riastradh Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_usb.h"
@@ -236,6 +236,8 @@
                                struct usbd_xfer *);
 Static void umass_clear_endpoint_stall(struct umass_softc *, int,
                                struct usbd_xfer *);
+Static void umass_transfer_done(struct umass_softc *, int, int);
+Static void umass_transfer_reset(struct umass_softc *);
 #if 0
 Static void umass_reset(struct umass_softc *, transfer_cb_f, void *);
 #endif
@@ -1009,6 +1011,26 @@
        umass_setup_ctrl_transfer(sc, &sc->sc_req, NULL, 0, 0, xfer);
 }
 
+Static void
+umass_transfer_done(struct umass_softc *sc, int residue, int status)
+{
+       UMASSHIST_FUNC(); UMASSHIST_CALLED();
+
+       sc->transfer_state = TSTATE_IDLE;
+       sc->transfer_cb(sc, sc->transfer_priv, residue, status);
+}
+
+Static void
+umass_transfer_reset(struct umass_softc *sc)
+{
+       UMASSHIST_FUNC(); UMASSHIST_CALLED();
+
+       sc->transfer_state = TSTATE_IDLE;
+       if (sc->transfer_priv)
+               sc->transfer_cb(sc, sc->transfer_priv, sc->transfer_datalen,
+                   sc->transfer_status);
+}
+
 #if 0
 Static void
 umass_reset(struct umass_softc *sc, transfer_cb_f cb, void *priv)
@@ -1217,8 +1239,7 @@
                DPRINTFM(UDMASS_BBB, "sc %#jx xfer %#jx cancelled",
                    (uintptr_t)sc, (uintptr_t)xfer, 0, 0);
 
-               sc->transfer_state = TSTATE_IDLE;
-               sc->transfer_cb(sc, sc->transfer_priv, 0, STATUS_TIMEOUT);
+               umass_transfer_done(sc, 0, STATUS_TIMEOUT);
                return;
        }
 
@@ -1454,17 +1475,11 @@
                            "res = %jd", (uintptr_t)sc, residue, 0, 0);
 
                        /* SCSI command failed but transfer was succesful */
-                       sc->transfer_state = TSTATE_IDLE;
-                       sc->transfer_cb(sc, sc->transfer_priv, residue,
-                                       STATUS_CMD_FAILED);
-
+                       umass_transfer_done(sc, residue, STATUS_CMD_FAILED);
                        return;
 
                } else {        /* success */
-                       sc->transfer_state = TSTATE_IDLE;
-                       sc->transfer_cb(sc, sc->transfer_priv, residue,
-                                       STATUS_CMD_OK);
-
+                       umass_transfer_done(sc, residue, STATUS_CMD_OK);
                        return;
                }
 
@@ -1496,12 +1511,7 @@
                               device_xname(sc->sc_dev), usbd_errstr(err));
                        /* no error recovery, otherwise we end up in a loop */
 
-               sc->transfer_state = TSTATE_IDLE;
-               if (sc->transfer_priv) {
-                       sc->transfer_cb(sc, sc->transfer_priv,
-                                       sc->transfer_datalen,
-                                       sc->transfer_status);
-               }
+               umass_transfer_reset(sc);
 
                return;
 
@@ -1669,8 +1679,7 @@
        if (err == USBD_CANCELLED) {
                DPRINTFM(UDMASS_BBB, "sc %#jx xfer %#jx cancelled",
                        (uintptr_t)sc, (uintptr_t)xfer, 0, 0);
-               sc->transfer_state = TSTATE_IDLE;
-               sc->transfer_cb(sc, sc->transfer_priv, 0, STATUS_TIMEOUT);
+               umass_transfer_done(sc, 0, STATUS_TIMEOUT);
                return;
        }
 
@@ -1700,12 +1709,8 @@
                         * Section 2.4.3.1.1 states that the bulk in endpoints
                         * should not stalled at this point.
                         */
-
-                       sc->transfer_state = TSTATE_IDLE;
-                       sc->transfer_cb(sc, sc->transfer_priv,
-                                       sc->transfer_datalen,
-                                       STATUS_CMD_FAILED);
-
+                       umass_transfer_done(sc, sc->transfer_datalen,
+                           STATUS_CMD_FAILED);
                        return;
                } else if (err) {
                        DPRINTFM(UDMASS_CBI, "sc %#jx: failed to send ADSC",
@@ -1794,10 +1799,9 @@
                        /* No command completion interrupt. Request
                         * sense to get status of command.
                         */
-                       sc->transfer_state = TSTATE_IDLE;
-                       sc->transfer_cb(sc, sc->transfer_priv,
-                               sc->transfer_datalen - sc->transfer_actlen,
-                               STATUS_CMD_UNKNOWN);
+                       umass_transfer_done(sc,
+                           sc->transfer_datalen - sc->transfer_actlen,
+                           STATUS_CMD_UNKNOWN);
                }
                return;
 
@@ -1848,9 +1852,9 @@
                                status = STATUS_CMD_FAILED;
 
                        /* No autosense, command successful */
-                       sc->transfer_state = TSTATE_IDLE;
-                       sc->transfer_cb(sc, sc->transfer_priv,
-                           sc->transfer_datalen - sc->transfer_actlen, status);
+                       umass_transfer_done(sc,
+                           sc->transfer_datalen - sc->transfer_actlen,
+                           status);
                } else {
                        int status;
 
@@ -1875,8 +1879,7 @@
                                        break;
                                }
 
-                               sc->transfer_state = TSTATE_IDLE;
-                               sc->transfer_cb(sc, sc->transfer_priv,
+                               umass_transfer_done(sc,
                                    sc->transfer_datalen - sc->transfer_actlen,
                                    status);
                        }
@@ -1891,8 +1894,7 @@
                            usbd_errstr(err));
                        umass_cbi_reset(sc, STATUS_WIRE_FAILED);
                } else {
-                       sc->transfer_state = TSTATE_IDLE;
-                       sc->transfer_cb(sc, sc->transfer_priv,
+                       umass_transfer_done(sc,
                            sc->transfer_datalen, STATUS_CMD_FAILED);
                }
                return;
@@ -1903,8 +1905,7 @@
                               device_xname(sc->sc_dev), usbd_errstr(err));
                        umass_cbi_reset(sc, STATUS_WIRE_FAILED);
                } else {
-                       sc->transfer_state = TSTATE_IDLE;
-                       sc->transfer_cb(sc, sc->transfer_priv,
+                       umass_transfer_done(sc,
                            sc->transfer_datalen, STATUS_CMD_FAILED);
                }
                return;
@@ -1937,13 +1938,7 @@
                               device_xname(sc->sc_dev), usbd_errstr(err));
                        /* no error recovery, otherwise we end up in a loop */
 
-               sc->transfer_state = TSTATE_IDLE;
-               if (sc->transfer_priv) {
-                       sc->transfer_cb(sc, sc->transfer_priv,
-                                       sc->transfer_datalen,
-                                       sc->transfer_status);
-               }
-
+               umass_transfer_reset(sc);
                return;
 
 



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