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| author | Lin Ming <ming.m.lin@intel.com> | 2012-07-16 16:30:21 +0800 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2012-09-25 00:15:07 -0400 |
| commit | fc54ab72959edbf229b65ac74b2f122d799ca002 (patch) | |
| tree | 12dae52a7122e661bb3f950f0abeef8b32d6925a /drivers/acpi/bus.c | |
| parent | 979570e02981d4a8fc20b3cc8fd651856c98ee9d (diff) | |
| download | linux-stable-fc54ab72959edbf229b65ac74b2f122d799ca002.tar.gz linux-stable-fc54ab72959edbf229b65ac74b2f122d799ca002.tar.bz2 linux-stable-fc54ab72959edbf229b65ac74b2f122d799ca002.zip | |
ACPI: run _OSC after ACPI_FULL_INITIALIZATION
The _OSC method may exist in module level code,
so it must be called after ACPI_FULL_INITIALIZATION
On some new platforms with Zero-Power-Optical-Disk-Drive (ZPODD)
support, this fix is necessary to save power.
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Tested-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/acpi/bus.c')
| -rw-r--r-- | drivers/acpi/bus.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index e0596954290b..d59175efc428 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -994,8 +994,6 @@ static int __init acpi_bus_init(void) status = acpi_ec_ecdt_probe(); /* Ignore result. Not having an ECDT is not fatal. */ - acpi_bus_osc_support(); - status = acpi_initialize_objects(ACPI_FULL_INITIALIZATION); if (ACPI_FAILURE(status)) { printk(KERN_ERR PREFIX "Unable to initialize ACPI objects\n"); @@ -1003,6 +1001,12 @@ static int __init acpi_bus_init(void) } /* + * _OSC method may exist in module level code, + * so it must be run after ACPI_FULL_INITIALIZATION + */ + acpi_bus_osc_support(); + + /* * _PDC control method may load dynamic SSDT tables, * and we need to install the table handler before that. */ |