diff options
| author | alfred <alfred@FreeBSD.org> | 2009-07-30 00:16:32 +0000 |
|---|---|---|
| committer | alfred <alfred@FreeBSD.org> | 2009-07-30 00:16:32 +0000 |
| commit | 1e6e123c8472f28c2482a5c77515f24343fbce36 (patch) | |
| tree | 0195cade73b60c8709615057c6fec4c22a83d467 /sys/dev/usb/controller/usb_controller.c | |
| parent | 37a79960ccc95d350c6439bd5074a57e94fe5442 (diff) | |
| download | FreeBSD-src-1e6e123c8472f28c2482a5c77515f24343fbce36.zip FreeBSD-src-1e6e123c8472f28c2482a5c77515f24343fbce36.tar.gz | |
USB controller:
- allow disabling "root_mount_hold()" by setting "hw.usb.no_boot_wait" sysctl
Submitted by: hps
Approved by: re
Diffstat (limited to 'sys/dev/usb/controller/usb_controller.c')
| -rw-r--r-- | sys/dev/usb/controller/usb_controller.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/sys/dev/usb/controller/usb_controller.c b/sys/dev/usb/controller/usb_controller.c index b2f94c6..7a019dc 100644 --- a/sys/dev/usb/controller/usb_controller.c +++ b/sys/dev/usb/controller/usb_controller.c @@ -79,6 +79,11 @@ SYSCTL_INT(_hw_usb_ctrl, OID_AUTO, debug, CTLFLAG_RW, &usb_ctrl_debug, 0, "Debug level"); #endif +static int usb_no_boot_wait = 0; +TUNABLE_INT("hw.usb.no_boot_wait", &usb_no_boot_wait); +SYSCTL_INT(_hw_usb, OID_AUTO, no_boot_wait, CTLFLAG_RDTUN, &usb_no_boot_wait, 0, + "No device enumerate waiting at boot."); + static uint8_t usb_post_init_called = 0; static devclass_t usb_devclass; @@ -132,8 +137,10 @@ usb_attach(device_t dev) return (ENXIO); } - /* delay vfs_mountroot until the bus is explored */ - bus->bus_roothold = root_mount_hold(device_get_nameunit(dev)); + if (usb_no_boot_wait == 0) { + /* delay vfs_mountroot until the bus is explored */ + bus->bus_roothold = root_mount_hold(device_get_nameunit(dev)); + } if (usb_post_init_called) { mtx_lock(&Giant); |
