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path: root/drivers/pci/hotplug/pnv_php.c
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Diffstat (limited to 'drivers/pci/hotplug/pnv_php.c')
-rw-r--r--drivers/pci/hotplug/pnv_php.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/pci/hotplug/pnv_php.c b/drivers/pci/hotplug/pnv_php.c
index 881d420637..694349be9d 100644
--- a/drivers/pci/hotplug/pnv_php.c
+++ b/drivers/pci/hotplug/pnv_php.c
@@ -5,6 +5,7 @@
* Copyright Gavin Shan, IBM Corporation 2016.
*/
+#include <linux/bitfield.h>
#include <linux/libfdt.h>
#include <linux/module.h>
#include <linux/pci.h>
@@ -731,7 +732,7 @@ static int pnv_php_enable_msix(struct pnv_php_slot *php_slot)
/* Check hotplug MSIx entry is in range */
pcie_capability_read_word(pdev, PCI_EXP_FLAGS, &pcie_flag);
- entry.entry = (pcie_flag & PCI_EXP_FLAGS_IRQ) >> 9;
+ entry.entry = FIELD_GET(PCI_EXP_FLAGS_IRQ, pcie_flag);
if (entry.entry >= nr_entries)
return -ERANGE;