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 <sreedhara.ds@xxxxxxxxx>
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 <sreedhara.ds@xxxxxxxxx>
---
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 <sreedhara.ds@xxxxxxxxx>");
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
Attachment:
0003-changes-to-avoid-late-initialization-of-driver.patch
Description: 0003-changes-to-avoid-late-initialization-of-driver.patch
