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| author |   Kishon Vijay Abraham I <kishon@ti.com> | 2019-01-14 16:45:08 +0530 |
|---|---|---|
| committer |   Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2019-02-15 10:00:18 +0000 |
| commit | b866c56b66d88a632e2fa6b922c4ea051937acbd (patch) | |
| tree | 7eaf18c113bcab394b379915ac46eb487e61b5eb /drivers/pci/endpoint/functions/pci-epf-test.c | |
| parent | PCI: pci-epf-test: Remove setting epf_bar flags in function driver (diff) | |
| download | linux-dev-b866c56b66d88a632e2fa6b922c4ea051937acbd.tar.xz linux-dev-b866c56b66d88a632e2fa6b922c4ea051937acbd.zip | |
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>
Diffstat (limited to '')
| -rw-r--r-- | drivers/pci/endpoint/functions/pci-epf-test.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c index ad0efa4446ba..a385927a9239 100644 --- a/drivers/pci/endpoint/functions/pci-epf-test.c +++ b/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; |