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authorskrll <skrll@NetBSD.org>2016-05-06 10:24:06 +0000
committerskrll <skrll@NetBSD.org>2016-05-06 10:24:06 +0000
commit609fc089a0613c5958ace8b1108d6401adb73b44 (patch)
tree41bafed7e918c15e5869a2469a99b80a7444c883 /sys/dev
parent1cc9f17160751094eafb53010d15d8769da0b292 (diff)
Remove magic numbers from xhci_hc_reset. From t-hash.
Diffstat (limited to 'sys/dev')
-rw-r--r--sys/dev/usb/xhci.c16
-rw-r--r--sys/dev/usb/xhcireg.h5
2 files changed, 12 insertions, 9 deletions
diff --git a/sys/dev/usb/xhci.c b/sys/dev/usb/xhci.c
index 401c9e792bc..be076b5a64d 100644
--- a/sys/dev/usb/xhci.c
+++ b/sys/dev/usb/xhci.c
@@ -1,4 +1,4 @@
-/* $NetBSD: xhci.c,v 1.41 2016/04/30 15:03:55 skrll Exp $ */
+/* $NetBSD: xhci.c,v 1.42 2016/05/06 10:24:06 skrll Exp $ */
/*
* Copyright (c) 2013 Jonathan A. Kollasch
@@ -34,7 +34,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: xhci.c,v 1.41 2016/04/30 15:03:55 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: xhci.c,v 1.42 2016/05/06 10:24:06 skrll Exp $");
#include "opt_usb.h"
@@ -603,13 +603,13 @@ xhci_hc_reset(struct xhci_softc * const sc)
int i;
/* Check controller not ready */
- for (i = 0; i < 100; i++) {
+ for (i = 0; i < XHCI_WAIT_CNR; i++) {
usbsts = xhci_op_read_4(sc, XHCI_USBSTS);
if ((usbsts & XHCI_STS_CNR) == 0)
break;
usb_delay_ms(&sc->sc_bus, 1);
}
- if (i >= 100) {
+ if (i >= XHCI_WAIT_CNR) {
aprint_error_dev(sc->sc_dev, "controller not ready timeout\n");
return EIO;
}
@@ -622,25 +622,25 @@ xhci_hc_reset(struct xhci_softc * const sc)
/* Reset controller */
usbcmd = XHCI_CMD_HCRST;
xhci_op_write_4(sc, XHCI_USBCMD, usbcmd);
- for (i = 0; i < 100; i++) {
+ for (i = 0; i < XHCI_WAIT_HCRST; i++) {
usbcmd = xhci_op_read_4(sc, XHCI_USBCMD);
if ((usbcmd & XHCI_CMD_HCRST) == 0)
break;
usb_delay_ms(&sc->sc_bus, 1);
}
- if (i >= 100) {
+ if (i >= XHCI_WAIT_HCRST) {
aprint_error_dev(sc->sc_dev, "host controller reset timeout\n");
return EIO;
}
/* Check controller not ready */
- for (i = 0; i < 100; i++) {
+ for (i = 0; i < XHCI_WAIT_CNR; i++) {
usbsts = xhci_op_read_4(sc, XHCI_USBSTS);
if ((usbsts & XHCI_STS_CNR) == 0)
break;
usb_delay_ms(&sc->sc_bus, 1);
}
- if (i >= 100) {
+ if (i >= XHCI_WAIT_CNR) {
aprint_error_dev(sc->sc_dev,
"controller not ready timeout after reset\n");
return EIO;
diff --git a/sys/dev/usb/xhcireg.h b/sys/dev/usb/xhcireg.h
index 42e1ada3485..0b23612df8f 100644
--- a/sys/dev/usb/xhcireg.h
+++ b/sys/dev/usb/xhcireg.h
@@ -1,4 +1,4 @@
-/* $NetBSD: xhcireg.h,v 1.5 2016/04/23 10:15:32 skrll Exp $ */
+/* $NetBSD: xhcireg.h,v 1.6 2016/05/06 10:24:06 skrll Exp $ */
/*-
* Copyright (c) 2010 Hans Petter Selasky. All rights reserved.
@@ -97,6 +97,9 @@
#define XHCI_CMD_EWE 0x00000400 /* RW Enable Wrap Event */
#define XHCI_CMD_EU3S 0x00000800 /* RW Enable U3 MFINDEX Stop */
+#define XHCI_WAIT_CNR 100 /* in 1ms */
+#define XHCI_WAIT_HCRST 100 /* in 1ms */
+
#define XHCI_USBSTS 0x04 /* XHCI status */
#define XHCI_STS_HCH 0x00000001 /* RO - Host Controller Halted */
#define XHCI_STS_HSE 0x00000004 /* RW - Host System Error */