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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: 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>
hifive-unleashed-5.1
Kishon Vijay Abraham I 2019-01-14 16:45:08 +05:30 committed by Lorenzo Pieralisi
parent 0342e9a797
commit b866c56b66
1 changed files with 4 additions and 0 deletions
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4
drivers/pci/endpoint/functions/pci-epf-test.c
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@ -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;