diff options
Diffstat (limited to 'meta-moblin/packages/linux/linux-moblin-2.6.27/0025-fastboot-turn-the-USB-hostcontroller-initcalls-into.patch')
-rw-r--r-- | meta-moblin/packages/linux/linux-moblin-2.6.27/0025-fastboot-turn-the-USB-hostcontroller-initcalls-into.patch | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/meta-moblin/packages/linux/linux-moblin-2.6.27/0025-fastboot-turn-the-USB-hostcontroller-initcalls-into.patch b/meta-moblin/packages/linux/linux-moblin-2.6.27/0025-fastboot-turn-the-USB-hostcontroller-initcalls-into.patch new file mode 100644 index 0000000000..f6db800c71 --- /dev/null +++ b/meta-moblin/packages/linux/linux-moblin-2.6.27/0025-fastboot-turn-the-USB-hostcontroller-initcalls-into.patch @@ -0,0 +1,59 @@ +From d1a26186ee222329a797bb0b2c8e2b5bc7d94d42 Mon Sep 17 00:00:00 2001 +From: Arjan van de Ven <arjan@linux.intel.com> +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 <arjan@linux.intel.com> +Signed-off-by: Ingo Molnar <mingo@elte.hu> +--- + 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); |