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platform-drivers-x86 for v4.16-7

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DELL_SMBIOS conditionally depends on ACPI_WMI in the same way it depends
 on DCDBAS, update the Kconfig accordingly. Correct the driver init order
 to ensure that the driver dependencies are met, avoiding race conditions
 resulting in boot failure on certain systems when the drivers are
 built-in.
 
 The following is an automated git shortlog grouped by driver:
 
 dell-smbios and related drivers:
  - Fix dell driver init order
  - Resolve dependency error on ACPI_WMI
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Merge tag 'platform-drivers-x86-v4.16-7' of git://git.infradead.org/linux-platform-drivers-x86

Pull x86 platform drives fixes from Darren Hart:

 - DELL_SMBIOS conditionally depends on ACPI_WMI in the same way it
   depends on DCDBAS, update the Kconfig accordingly.

 - fix the dell driver init order to ensure that the driver dependencies
   are met, avoiding race conditions resulting in boot failure on
   certain systems when the drivers are built-in.

* tag 'platform-drivers-x86-v4.16-7' of git://git.infradead.org/linux-platform-drivers-x86:
  platform/x86: Fix dell driver init order
  platform/x86: dell-smbios: Resolve dependency error on ACPI_WMI
This commit is contained in:
Linus Torvalds 2018-03-14 13:01:14 -07:00
commit 274a1ff070
4 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/firmware/dcdbas.c
View File

@ -639,7 +639,7 @@ static void __exit dcdbas_exit(void)
platform_driver_unregister(&dcdbas_driver);
}
module_init(dcdbas_init);
subsys_initcall_sync(dcdbas_init);
module_exit(dcdbas_exit);
MODULE_DESCRIPTION(DRIVER_DESCRIPTION " (version " DRIVER_VERSION ")");

7
drivers/platform/x86/Kconfig
View File

@ -106,13 +106,14 @@ config ASUS_LAPTOP
If you have an ACPI-compatible ASUS laptop, say Y or M here.
#
# If the DELL_SMBIOS_SMM feature is enabled, the DELL_SMBIOS driver
# becomes dependent on the DCDBAS driver. The "depends" line prevents a
# configuration where DELL_SMBIOS=y while DCDBAS=m.
# The DELL_SMBIOS driver depends on ACPI_WMI and/or DCDBAS if those
# backends are selected. The "depends" line prevents a configuration
# where DELL_SMBIOS=y while either of those dependencies =m.
#
config DELL_SMBIOS
tristate "Dell SMBIOS driver"
depends on DCDBAS || DCDBAS=n
depends on ACPI_WMI || ACPI_WMI=n
---help---
This provides support for the Dell SMBIOS calling interface.
If you have a Dell computer you should enable this option.

2
drivers/platform/x86/dell-smbios-base.c
View File

@ -637,7 +637,7 @@ static void __exit dell_smbios_exit(void)
mutex_unlock(&smbios_mutex);
}
subsys_initcall(dell_smbios_init);
module_init(dell_smbios_init);
module_exit(dell_smbios_exit);
MODULE_AUTHOR("Matthew Garrett <mjg@redhat.com>");

2
drivers/platform/x86/dell-wmi.c
View File

@ -714,7 +714,7 @@ static int __init dell_wmi_init(void)
return wmi_driver_register(&dell_wmi_driver);
}
module_init(dell_wmi_init);
late_initcall(dell_wmi_init);
static void __exit dell_wmi_exit(void)
{