When system is waiting for GPE/fixed event handler to finish,
it uses the acpi_gbl_FADT.sci_interrupt directly. However, we
should use mapped irq returned by acpi_gsi_to_irq for synchronize_hardirq.
Cc: <sta...@vger.kernel.org> # 3.19+
Acked-by: Lv Zheng <lv.zh...@intel.com>
Signed-off-by: Chen Yu <yu.c.c...@intel.com>
---
drivers/acpi/osl.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 2e9eccf..3341788 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -1184,8 +1184,8 @@ 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 (!IS_INVALID_ACPI_IRQ(acpi_sci_irq))
+ synchronize_hardirq(acpi_sci_irq);
flush_workqueue(kacpid_wq);
flush_workqueue(kacpi_notify_wq);
}
--
1.8.4.2
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