Commit efb1cf7d authored Oct 25, 2015 by Chen Yu Committed by Rafael J. Wysocki Oct 26, 2015

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>

parent 49e4b843

drivers/acpi/osl.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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);
		}

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