[PATCH v5 1/2] PCI: endpoint: pci-epf-vntb: Use a local epf pointer in interrupt setup

[Koichiro Den <den@valinux.co.jp>]

Use a local epf pointer in epf_ntb_configure_interrupt() to shorten the
repeated ntb->epf accesses.

No functional changes.

Signed-off-by: Koichiro Den <den@valinux.co.jp>
---
Changes since v4:
  - New patch. (Frank)

 drivers/pci/endpoint/functions/pci-epf-vntb.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/pci/endpoint/functions/pci-epf-vntb.c b/drivers/pci/endpoint/functions/pci-epf-vntb.c
index a11f9260ee86..d74402ea10bf 100644
--- a/drivers/pci/endpoint/functions/pci-epf-vntb.c
+++ b/drivers/pci/endpoint/functions/pci-epf-vntb.c
@@ -545,12 +545,14 @@ static int epf_ntb_config_spad_bar_alloc(struct epf_ntb *ntb)
 static int epf_ntb_configure_interrupt(struct epf_ntb *ntb)
 {
 	const struct pci_epc_features *epc_features;
+	struct pci_epf *epf = ntb->epf;
 	struct device *dev;
 	int ret;
 
-	dev = &ntb->epf->dev;
+	dev = &epf->dev;
 
-	epc_features = pci_epc_get_features(ntb->epf->epc, ntb->epf->func_no, ntb->epf->vfunc_no);
+	epc_features = pci_epc_get_features(epf->epc, epf->func_no,
+					    epf->vfunc_no);
 
 	if (!(epc_features->msix_capable || epc_features->msi_capable)) {
 		dev_err(dev, "MSI or MSI-X is required for doorbell\n");
@@ -564,10 +566,7 @@ static int epf_ntb_configure_interrupt(struct epf_ntb *ntb)
 	}
 
 	if (epc_features->msi_capable) {
-		ret = pci_epc_set_msi(ntb->epf->epc,
-				      ntb->epf->func_no,
-				      ntb->epf->vfunc_no,
-				      16);
+		ret = pci_epc_set_msi(epf->epc, epf->func_no, epf->vfunc_no, 16);
 		if (ret) {
 			dev_err(dev, "MSI configuration failed\n");
 			return ret;
-- 
2.54.0