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
parent
0342e9a797
commit
b866c56b66
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@ -429,6 +429,7 @@ static int pci_epf_test_alloc_space(struct pci_epf *epf)
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{
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{
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struct pci_epf_test *epf_test = epf_get_drvdata(epf);
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struct pci_epf_test *epf_test = epf_get_drvdata(epf);
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struct device *dev = &epf->dev;
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struct device *dev = &epf->dev;
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struct pci_epf_bar *epf_bar;
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void *base;
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void *base;
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int bar;
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int bar;
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enum pci_barno test_reg_bar = epf_test->test_reg_bar;
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enum pci_barno test_reg_bar = epf_test->test_reg_bar;
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@ -442,6 +443,7 @@ static int pci_epf_test_alloc_space(struct pci_epf *epf)
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epf_test->reg[test_reg_bar] = base;
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epf_test->reg[test_reg_bar] = base;
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for (bar = BAR_0; bar <= BAR_5; bar++) {
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for (bar = BAR_0; bar <= BAR_5; bar++) {
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epf_bar = &epf->bar[bar];
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if (bar == test_reg_bar)
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if (bar == test_reg_bar)
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continue;
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continue;
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base = pci_epf_alloc_space(epf, bar_size[bar], bar);
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base = pci_epf_alloc_space(epf, bar_size[bar], bar);
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@ -449,6 +451,8 @@ static int pci_epf_test_alloc_space(struct pci_epf *epf)
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dev_err(dev, "Failed to allocate space for BAR%d\n",
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dev_err(dev, "Failed to allocate space for BAR%d\n",
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bar);
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bar);
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epf_test->reg[bar] = base;
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epf_test->reg[bar] = base;
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if (epf_bar->flags & PCI_BASE_ADDRESS_MEM_TYPE_64)
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bar++;
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}
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}
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return 0;
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return 0;
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