[PATCH v5 1/2] PCI: endpoint: pci-epf-vntb: Use a local epf pointer in interrupt setup
From: Koichiro Den
Date: Wed Oct 14 2026 - 21:45:09 EST
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@xxxxxxxxxxxxx>
---
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