Date: Thu, 30 Jul 2009 00:16:32 +0000 (UTC) From: Alfred Perlstein <alfred@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r195965 - head/sys/dev/usb/controller Message-ID: <200907300016.n6U0GWjh086592@svn.freebsd.org>
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Author: alfred Date: Thu Jul 30 00:16:32 2009 New Revision: 195965 URL: http://svn.freebsd.org/changeset/base/195965 Log: USB controller: - allow disabling "root_mount_hold()" by setting "hw.usb.no_boot_wait" sysctl Submitted by: hps Approved by: re Modified: head/sys/dev/usb/controller/usb_controller.c Modified: head/sys/dev/usb/controller/usb_controller.c ============================================================================== --- head/sys/dev/usb/controller/usb_controller.c Thu Jul 30 00:16:06 2009 (r195964) +++ head/sys/dev/usb/controller/usb_controller.c Thu Jul 30 00:16:32 2009 (r195965) @@ -79,6 +79,11 @@ SYSCTL_INT(_hw_usb_ctrl, OID_AUTO, debug "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);
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