[1/2] PCI: endpoint: Move .only_64bit check to core

Commit Message

Niklas Cassel Feb. 29, 2024, 10:48 a.m. UTC

Move the .only_64bit check to pci-epf-core, such that this check does
not need to be duplicated in all endpoint function drivers.

Signed-off-by: Niklas Cassel <[e-mail]>
---
 drivers/pci/endpoint/functions/pci-epf-test.c | 14 --------------
 drivers/pci/endpoint/pci-epf-core.c           |  7 ++++---
 2 files changed, 4 insertions(+), 17 deletions(-)

Patch

diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c
index cd4ffb39dcdc..a7f0b5ebc1e8 100644
--- a/drivers/pci/endpoint/functions/pci-epf-test.c
+++ b/drivers/pci/endpoint/functions/pci-epf-test.c
@@ -870,19 +870,6 @@  static int pci_epf_test_alloc_space(struct pci_epf *epf)
 	return 0;
 }
 
-static void pci_epf_configure_bar(struct pci_epf *epf,
-				  const struct pci_epc_features *epc_features)
-{
-	struct pci_epf_bar *epf_bar;
-	int i;
-
-	for (i = 0; i < PCI_STD_NUM_BARS; i++) {
-		epf_bar = &epf->bar[i];
-		if (epc_features->bar[i].only_64bit)
-			epf_bar->flags |= PCI_BASE_ADDRESS_MEM_TYPE_64;
-	}
-}
-
 static int pci_epf_test_bind(struct pci_epf *epf)
 {
 	int ret;
@@ -907,7 +894,6 @@  static int pci_epf_test_bind(struct pci_epf *epf)
 	test_reg_bar = pci_epc_get_first_free_bar(epc_features);
 	if (test_reg_bar < 0)
 		return -EINVAL;
-	pci_epf_configure_bar(epf, epc_features);
 
 	epf_test->test_reg_bar = test_reg_bar;
 	epf_test->epc_features = epc_features;
diff --git a/drivers/pci/endpoint/pci-epf-core.c b/drivers/pci/endpoint/pci-epf-core.c
index 0a28a0b0911b..e7dbbeb1f0de 100644
--- a/drivers/pci/endpoint/pci-epf-core.c
+++ b/drivers/pci/endpoint/pci-epf-core.c
@@ -304,9 +304,10 @@  void *pci_epf_alloc_space(struct pci_epf *epf, size_t size, enum pci_barno bar,
 	epf_bar[bar].addr = space;
 	epf_bar[bar].size = size;
 	epf_bar[bar].barno = bar;
-	epf_bar[bar].flags |= upper_32_bits(size) ?
-				PCI_BASE_ADDRESS_MEM_TYPE_64 :
-				PCI_BASE_ADDRESS_MEM_TYPE_32;
+	if (upper_32_bits(size) || epc_features->bar[bar].only_64bit)
+		epf_bar[bar].flags |= PCI_BASE_ADDRESS_MEM_TYPE_64;
+	else
+		epf_bar[bar].flags |= PCI_BASE_ADDRESS_MEM_TYPE_32;
 
 	return space;
 }