PCI: pci-epf-test: Do not allocate next BARs memory if current BAR is 64Bit

It's useless to allocate memory for next BAR if the current BAR is a
64Bit BAR. Stop allocating memory for the next BAR, if the current
BARs flag indicates this is a 64Bit BAR.
Tested-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>

drivers/pci/endpoint/functions/pci-epf-test.c

@@ -429,6 +429,7 @@ static int pci_epf_test_alloc_space(struct pci_epf *epf)
 {
 	struct pci_epf_test *epf_test = epf_get_drvdata(epf);
 	struct device *dev = &epf->dev;
+	struct pci_epf_bar *epf_bar;
 	void *base;
 	int bar;
 	enum pci_barno test_reg_bar = epf_test->test_reg_bar;
@@ -442,6 +443,7 @@ static int pci_epf_test_alloc_space(struct pci_epf *epf)
 	epf_test->reg[test_reg_bar] = base;
 
 	for (bar = BAR_0; bar <= BAR_5; bar++) {
+		epf_bar = &epf->bar[bar];
 		if (bar == test_reg_bar)
 			continue;
 		base = pci_epf_alloc_space(epf, bar_size[bar], bar);
@@ -449,6 +451,8 @@ static int pci_epf_test_alloc_space(struct pci_epf *epf)
 			dev_err(dev, "Failed to allocate space for BAR%d\n",
 				bar);
 		epf_test->reg[bar] = base;
+		if (epf_bar->flags & PCI_BASE_ADDRESS_MEM_TYPE_64)
+			bar++;
 	}
 
 	return 0;