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| author | Chen Yu <yu.c.chen@intel.com> | 2015-10-25 01:02:36 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-10-26 04:39:25 +0100 |
| commit | efb1cf7d28b8aeacec53e9ba8f3f2809c5cb9686 (patch) | |
| tree | b619b0db7c55d8e490e0d0ade49df55aa8af2836 /drivers/acpi/osl.c | |
| parent | 49e4b84333f338d4f183f28f1f3c1131b9fb2b5a (diff) | |
| download | lwn-efb1cf7d28b8aeacec53e9ba8f3f2809c5cb9686.tar.gz lwn-efb1cf7d28b8aeacec53e9ba8f3f2809c5cb9686.zip | |
ACPI: Using correct irq when waiting for events
When the system is waiting for GPE/fixed event handler to finish,
it uses acpi_gbl_FADT.sci_interrupt directly as the IRQ number.
However, the remapped IRQ returned by acpi_gsi_to_irq() should be
passed to synchronize_hardirq() instead of it.
Cc: 3.19+ <stable@vger.kernel.org> # 3.19+
Acked-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/osl.c')
| -rw-r--r-- | drivers/acpi/osl.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 2a25919f8eab..2f6e3c6ad39b 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -1183,8 +1183,8 @@ void acpi_os_wait_events_complete(void) * Make sure the GPE handler or the fixed event handler is not used * on another CPU after removal. */ - if (acpi_irq_handler) - synchronize_hardirq(acpi_gbl_FADT.sci_interrupt); + if (acpi_sci_irq_valid()) + synchronize_hardirq(acpi_sci_irq); flush_workqueue(kacpid_wq); flush_workqueue(kacpi_notify_wq); } |