diff options
Diffstat (limited to 'drivers/pci/endpoint')
| -rw-r--r-- | drivers/pci/endpoint/functions/pci-epf-test.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c index 7d41e6684b87..e8bcc924dbf8 100644 --- a/drivers/pci/endpoint/functions/pci-epf-test.c +++ b/drivers/pci/endpoint/functions/pci-epf-test.c @@ -389,7 +389,7 @@ static void pci_epf_test_unbind(struct pci_epf *epf) static int pci_epf_test_set_bar(struct pci_epf *epf) { - int bar; + int bar, add; int ret; struct pci_epf_bar *epf_bar; struct pci_epc *epc = epf->epc; @@ -400,8 +400,14 @@ static int pci_epf_test_set_bar(struct pci_epf *epf) epc_features = epf_test->epc_features; - for (bar = BAR_0; bar <= BAR_5; bar++) { + for (bar = BAR_0; bar <= BAR_5; bar += add) { epf_bar = &epf->bar[bar]; + /* + * pci_epc_set_bar() sets PCI_BASE_ADDRESS_MEM_TYPE_64 + * if the specific implementation required a 64-bit BAR, + * even if we only requested a 32-bit BAR. + */ + add = (epf_bar->flags & PCI_BASE_ADDRESS_MEM_TYPE_64) ? 2 : 1; if (!!(epc_features->reserved_bar & (1 << bar))) continue; @@ -413,13 +419,6 @@ static int pci_epf_test_set_bar(struct pci_epf *epf) if (bar == test_reg_bar) return ret; } - /* - * pci_epc_set_bar() sets PCI_BASE_ADDRESS_MEM_TYPE_64 - * if the specific implementation required a 64-bit BAR, - * even if we only requested a 32-bit BAR. - */ - if (epf_bar->flags & PCI_BASE_ADDRESS_MEM_TYPE_64) - bar++; } return 0; @@ -431,7 +430,7 @@ static int pci_epf_test_alloc_space(struct pci_epf *epf) struct device *dev = &epf->dev; struct pci_epf_bar *epf_bar; void *base; - int bar; + int bar, add; enum pci_barno test_reg_bar = epf_test->test_reg_bar; const struct pci_epc_features *epc_features; size_t test_reg_size; @@ -451,8 +450,10 @@ 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++) { + for (bar = BAR_0; bar <= BAR_5; bar += add) { epf_bar = &epf->bar[bar]; + add = (epf_bar->flags & PCI_BASE_ADDRESS_MEM_TYPE_64) ? 2 : 1; + if (bar == test_reg_bar) continue; @@ -465,8 +466,6 @@ 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; |