diff options
Diffstat (limited to 'drivers/pci/setup-res.c')
| -rw-r--r-- | drivers/pci/setup-res.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c index 2dbd96cce2d8..32e8d88a4619 100644 --- a/drivers/pci/setup-res.c +++ b/drivers/pci/setup-res.c | |||
| @@ -26,11 +26,13 @@ | |||
| 26 | #include "pci.h" | 26 | #include "pci.h" |
| 27 | 27 | ||
| 28 | 28 | ||
| 29 | void pci_update_resource(struct pci_dev *dev, struct resource *res, int resno) | 29 | void pci_update_resource(struct pci_dev *dev, int resno) |
| 30 | { | 30 | { |
| 31 | struct pci_bus_region region; | 31 | struct pci_bus_region region; |
| 32 | u32 new, check, mask; | 32 | u32 new, check, mask; |
| 33 | int reg; | 33 | int reg; |
| 34 | enum pci_bar_type type; | ||
| 35 | struct resource *res = dev->resource + resno; | ||
| 34 | 36 | ||
| 35 | /* | 37 | /* |
| 36 | * Ignore resources for unimplemented BARs and unused resource slots | 38 | * Ignore resources for unimplemented BARs and unused resource slots |
| @@ -61,17 +63,13 @@ void pci_update_resource(struct pci_dev *dev, struct resource *res, int resno) | |||
| 61 | else | 63 | else |
| 62 | mask = (u32)PCI_BASE_ADDRESS_MEM_MASK; | 64 | mask = (u32)PCI_BASE_ADDRESS_MEM_MASK; |
| 63 | 65 | ||
| 64 | if (resno < 6) { | 66 | reg = pci_resource_bar(dev, resno, &type); |
| 65 | reg = PCI_BASE_ADDRESS_0 + 4 * resno; | 67 | if (!reg) |
| 66 | } else if (resno == PCI_ROM_RESOURCE) { | 68 | return; |
| 69 | if (type != pci_bar_unknown) { | ||
| 67 | if (!(res->flags & IORESOURCE_ROM_ENABLE)) | 70 | if (!(res->flags & IORESOURCE_ROM_ENABLE)) |
| 68 | return; | 71 | return; |
| 69 | new |= PCI_ROM_ADDRESS_ENABLE; | 72 | new |= PCI_ROM_ADDRESS_ENABLE; |
| 70 | reg = dev->rom_base_reg; | ||
| 71 | } else { | ||
| 72 | /* Hmm, non-standard resource. */ | ||
| 73 | |||
| 74 | return; /* kill uninitialised var warning */ | ||
| 75 | } | 73 | } |
| 76 | 74 | ||
| 77 | pci_write_config_dword(dev, reg, new); | 75 | pci_write_config_dword(dev, reg, new); |
| @@ -134,7 +132,7 @@ int pci_assign_resource(struct pci_dev *dev, int resno) | |||
| 134 | 132 | ||
| 135 | align = resource_alignment(res); | 133 | align = resource_alignment(res); |
| 136 | if (!align) { | 134 | if (!align) { |
| 137 | dev_err(&dev->dev, "BAR %d: can't allocate resource (bogus " | 135 | dev_info(&dev->dev, "BAR %d: can't allocate resource (bogus " |
| 138 | "alignment) %pR flags %#lx\n", | 136 | "alignment) %pR flags %#lx\n", |
| 139 | resno, res, res->flags); | 137 | resno, res, res->flags); |
| 140 | return -EINVAL; | 138 | return -EINVAL; |
| @@ -157,12 +155,12 @@ int pci_assign_resource(struct pci_dev *dev, int resno) | |||
| 157 | } | 155 | } |
| 158 | 156 | ||
| 159 | if (ret) { | 157 | if (ret) { |
| 160 | dev_err(&dev->dev, "BAR %d: can't allocate %s resource %pR\n", | 158 | dev_info(&dev->dev, "BAR %d: can't allocate %s resource %pR\n", |
| 161 | resno, res->flags & IORESOURCE_IO ? "I/O" : "mem", res); | 159 | resno, res->flags & IORESOURCE_IO ? "I/O" : "mem", res); |
| 162 | } else { | 160 | } else { |
| 163 | res->flags &= ~IORESOURCE_STARTALIGN; | 161 | res->flags &= ~IORESOURCE_STARTALIGN; |
| 164 | if (resno < PCI_BRIDGE_RESOURCES) | 162 | if (resno < PCI_BRIDGE_RESOURCES) |
| 165 | pci_update_resource(dev, res, resno); | 163 | pci_update_resource(dev, resno); |
| 166 | } | 164 | } |
| 167 | 165 | ||
| 168 | return ret; | 166 | return ret; |
| @@ -197,7 +195,7 @@ int pci_assign_resource_fixed(struct pci_dev *dev, int resno) | |||
| 197 | dev_err(&dev->dev, "BAR %d: can't allocate %s resource %pR\n", | 195 | dev_err(&dev->dev, "BAR %d: can't allocate %s resource %pR\n", |
| 198 | resno, res->flags & IORESOURCE_IO ? "I/O" : "mem", res); | 196 | resno, res->flags & IORESOURCE_IO ? "I/O" : "mem", res); |
| 199 | } else if (resno < PCI_BRIDGE_RESOURCES) { | 197 | } else if (resno < PCI_BRIDGE_RESOURCES) { |
| 200 | pci_update_resource(dev, res, resno); | 198 | pci_update_resource(dev, resno); |
| 201 | } | 199 | } |
| 202 | 200 | ||
| 203 | return ret; | 201 | return ret; |
