From d1a26186ee222329a797bb0b2c8e2b5bc7d94d42 Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Fri, 18 Jul 2008 15:16:53 -0700 Subject: [PATCH] fastboot: turn the USB hostcontroller initcalls into async initcalls the USB host controller init calls take a long time, mostly due to a "minimally 100 msec" delay *per port* during initialization. These are prime candidates for going in parallel to everything else. The USB device ordering is not affected by this due to the serialized-within-eachother property of async initcalls. Signed-off-by: Arjan van de Ven Signed-off-by: Ingo Molnar --- drivers/usb/host/ehci-hcd.c | 2 +- drivers/usb/host/ohci-hcd.c | 2 +- drivers/usb/host/uhci-hcd.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) Index: linux-2.6.27/drivers/usb/host/ehci-hcd.c =================================================================== --- linux-2.6.27.orig/drivers/usb/host/ehci-hcd.c 2008-10-14 16:55:35.000000000 +0200 +++ linux-2.6.27/drivers/usb/host/ehci-hcd.c 2008-10-14 17:01:27.000000000 +0200 @@ -1107,7 +1107,7 @@ clean0: #endif return retval; } -module_init(ehci_hcd_init); +module_init_async(ehci_hcd_init); static void __exit ehci_hcd_cleanup(void) { Index: linux-2.6.27/drivers/usb/host/ohci-hcd.c =================================================================== --- linux-2.6.27.orig/drivers/usb/host/ohci-hcd.c 2008-10-14 16:55:35.000000000 +0200 +++ linux-2.6.27/drivers/usb/host/ohci-hcd.c 2008-10-14 17:01:27.000000000 +0200 @@ -1186,7 +1186,7 @@ static int __init ohci_hcd_mod_init(void return retval; } -module_init(ohci_hcd_mod_init); +module_init_async(ohci_hcd_mod_init); static void __exit ohci_hcd_mod_exit(void) { Index: linux-2.6.27/drivers/usb/host/uhci-hcd.c =================================================================== --- linux-2.6.27.orig/drivers/usb/host/uhci-hcd.c 2008-10-14 16:55:35.000000000 +0200 +++ linux-2.6.27/drivers/usb/host/uhci-hcd.c 2008-10-14 17:01:27.000000000 +0200 @@ -999,7 +999,7 @@ static void __exit uhci_hcd_cleanup(void kfree(errbuf); } -module_init(uhci_hcd_init); +module_init_async(uhci_hcd_init); module_exit(uhci_hcd_cleanup); MODULE_AUTHOR(DRIVER_AUTHOR);