Commit b866c56b authored by Kishon Vijay Abraham I's avatar Kishon Vijay Abraham I Committed by Lorenzo Pieralisi
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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: default avatarGustavo Pimentel <gustavo.pimentel@synopsys.com>
Signed-off-by: default avatarKishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: default avatarLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
parent 0342e9a7

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

+4 −0
Original line number Diff line number Diff line
@@ -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;