From d89d52d3ec86cf95dd93bb78c9b0ab537200e180 Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Thu, 9 Oct 2008 17:00:45 +0000 Subject: linux-moblin: 2.6.27-rc6 kernel That includes the fastboot patches. An eee boots in 10s with that kernel. git-svn-id: https://svn.o-hand.com/repos/poky/trunk@5470 311d38ba-8fff-0310-9ca6-ca027cbcb966 --- ...urn-the-USB-hostcontroller-initcalls-into.patch | 62 ++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 meta/packages/linux/linux-moblin-2.6.27-rc6/0025-fastboot-turn-the-USB-hostcontroller-initcalls-into.patch (limited to 'meta/packages/linux/linux-moblin-2.6.27-rc6/0025-fastboot-turn-the-USB-hostcontroller-initcalls-into.patch') diff --git a/meta/packages/linux/linux-moblin-2.6.27-rc6/0025-fastboot-turn-the-USB-hostcontroller-initcalls-into.patch b/meta/packages/linux/linux-moblin-2.6.27-rc6/0025-fastboot-turn-the-USB-hostcontroller-initcalls-into.patch new file mode 100644 index 000000000..75d4151b3 --- /dev/null +++ b/meta/packages/linux/linux-moblin-2.6.27-rc6/0025-fastboot-turn-the-USB-hostcontroller-initcalls-into.patch @@ -0,0 +1,62 @@ +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(-) + +diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c +index 369a8a5..8f84b17 100644 +--- a/drivers/usb/host/ehci-hcd.c ++++ b/drivers/usb/host/ehci-hcd.c +@@ -1101,7 +1101,7 @@ clean0: + #endif + return retval; + } +-module_init(ehci_hcd_init); ++module_init_async(ehci_hcd_init); + + static void __exit ehci_hcd_cleanup(void) + { +diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c +index a8160d6..e060ed1 100644 +--- a/drivers/usb/host/ohci-hcd.c ++++ b/drivers/usb/host/ohci-hcd.c +@@ -1165,7 +1165,7 @@ 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) + { +diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c +index 3a7bfe7..f2a05ac 100644 +--- a/drivers/usb/host/uhci-hcd.c ++++ b/drivers/usb/host/uhci-hcd.c +@@ -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); +-- +1.5.4.3 + -- cgit v1.2.3