It is observed that scu ipc driver initializing late, after moving from arch/x86/kernel to drivers/platform/x86. Other drivers which are using ipc like GPIO are initialized before ipc driver. This is temporary fix to avoid this.
Resending the previous patch >From f8d29b90e6015387451062a6a5ae1499de120ab4 Mon Sep 17 00:00:00 2001 From: Sreedhara DS <[email protected]> Date: Fri, 28 May 2010 14:04:02 +0530 Subject: [PATCH] changes to avoid late initialization of driver ipc driver needs to be initialized before any other driver using ipc modified: intel_scu_ipc.c Signed-off-by: Sreedhara DS <[email protected]> --- drivers/platform/x86/intel_scu_ipc.c | 8 +------- 1 files changed, 1 insertions(+), 7 deletions(-) diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c index ffd304a..8bb3fda 100644 --- a/drivers/platform/x86/intel_scu_ipc.c +++ b/drivers/platform/x86/intel_scu_ipc.c @@ -834,14 +834,8 @@ static int __init intel_scu_ipc_init(void) return pci_register_driver(&ipc_driver); } -static void __exit intel_scu_ipc_exit(void) -{ - pci_unregister_driver(&ipc_driver); -} - MODULE_AUTHOR("Sreedhara DS <[email protected]>"); MODULE_DESCRIPTION("Intel SCU IPC driver"); MODULE_LICENSE("GPL"); -module_init(intel_scu_ipc_init); -module_exit(intel_scu_ipc_exit); +fs_initcall(intel_scu_ipc_init); -- 1.5.4.5
0003-changes-to-avoid-late-initialization-of-driver.patch
Description: 0003-changes-to-avoid-late-initialization-of-driver.patch
