PCI: PCIE AER: export aer_irq

This is used by PCIE AER error injection to fake an PCI AER interrupt.
Signed-off-by: NHuang Ying <ying.huang@intel.com>
Signed-off-by: NJesse Barnes <jbarnes@virtuousgeek.org>

drivers/pci/pcie/aer/aerdrv.c

@@ -77,7 +77,7 @@ void pci_no_aer(void)
  *
  * Invoked when Root Port detects AER messages.
  **/
-static irqreturn_t aer_irq(int irq, void *context)
+irqreturn_t aer_irq(int irq, void *context)
 {
 	unsigned int status, id;
 	struct pcie_device *pdev = (struct pcie_device *)context;
@@ -126,6 +126,7 @@ static irqreturn_t aer_irq(int irq, void *context)
 
 	return IRQ_HANDLED;
 }
+EXPORT_SYMBOL_GPL(aer_irq);
 
 /**
  * aer_alloc_rpc - allocate Root Port data structure

drivers/pci/pcie/aer/aerdrv.h

@@ -11,6 +11,7 @@
 #include <linux/workqueue.h>
 #include <linux/pcieport_if.h>
 #include <linux/aer.h>
+#include <linux/interrupt.h>
 
 #define AER_NONFATAL			0
 #define AER_FATAL			1
@@ -120,6 +121,7 @@ extern void aer_delete_rootport(struct aer_rpc *rpc);
 extern int aer_init(struct pcie_device *dev);
 extern void aer_isr(struct work_struct *work);
 extern void aer_print_error(struct pci_dev *dev, struct aer_err_info *info);
+extern irqreturn_t aer_irq(int irq, void *context);
 
 #ifdef CONFIG_ACPI
 extern int aer_osc_setup(struct pcie_device *pciedev);