[src/trunk]: src/sys/dev/usb Sprinkle a little delay.

[nat <nat%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/44ad569648a5
branches:  trunk
changeset: 986279:44ad569648a5
user:      nat <nat%NetBSD.org@localhost>
date:      Fri Sep 17 13:02:52 2021 +0000

description:
Sprinkle a little delay.

diffstat:

 sys/dev/usb/if_urtwn.c |  8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diffs (36 lines):

diff -r e8d4991f10bb -r 44ad569648a5 sys/dev/usb/if_urtwn.c
--- a/sys/dev/usb/if_urtwn.c    Fri Sep 17 13:00:20 2021 +0000
+++ b/sys/dev/usb/if_urtwn.c    Fri Sep 17 13:02:52 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_urtwn.c,v 1.99 2021/09/17 13:00:20 nat Exp $        */
+/*     $NetBSD: if_urtwn.c,v 1.100 2021/09/17 13:02:52 nat Exp $       */
 /*     $OpenBSD: if_urtwn.c,v 1.42 2015/02/10 23:25:46 mpi Exp $       */
 
 /*-
@@ -25,7 +25,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_urtwn.c,v 1.99 2021/09/17 13:00:20 nat Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_urtwn.c,v 1.100 2021/09/17 13:02:52 nat Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -3088,6 +3088,7 @@
 
        /* Unlock ISO/CLK/Power control register. */
        urtwn_write_1(sc, R92C_RSV_CTRL, 0);
+       DELAY(5);
        /* Move SPS into PWM mode. */
        urtwn_write_1(sc, R92C_SPS0_CTRL, 0x2b);
        DELAY(5);
@@ -3153,6 +3154,9 @@
        urtwn_write_2(sc, R92C_CR, reg);
 
        urtwn_write_1(sc, 0xfe10, 0x19);
+
+       urtwn_delay_ms(sc, 1);
+
        return 0;
 }