diff options
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/pci-uclass.c | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c index 59894d2430b..c370f8c6400 100644 --- a/drivers/pci/pci-uclass.c +++ b/drivers/pci/pci-uclass.c @@ -385,8 +385,10 @@ static int pci_read_config(pci_dev_t bdf, int offset, unsigned long *valuep, int ret; ret = pci_get_bus(PCI_BUS(bdf), &bus); - if (ret) + if (ret) { + *valuep = 0xffffffff; return ret; + } return pci_bus_read_config(bus, bdf, offset, valuep, size); } @@ -408,8 +410,10 @@ int pci_read_config32(pci_dev_t bdf, int offset, u32 *valuep) int ret; ret = pci_read_config(bdf, offset, &value, PCI_SIZE_32); - if (ret) + if (ret) { + *valuep = 0xffffffff; return ret; + } *valuep = value; return 0; @@ -421,8 +425,10 @@ int pci_read_config16(pci_dev_t bdf, int offset, u16 *valuep) int ret; ret = pci_read_config(bdf, offset, &value, PCI_SIZE_16); - if (ret) + if (ret) { + *valuep = 0xffff; return ret; + } *valuep = value; return 0; @@ -434,8 +440,10 @@ int pci_read_config8(pci_dev_t bdf, int offset, u8 *valuep) int ret; ret = pci_read_config(bdf, offset, &value, PCI_SIZE_8); - if (ret) + if (ret) { + *valuep = 0xff; return ret; + } *valuep = value; return 0; @@ -447,8 +455,10 @@ int dm_pci_read_config8(const struct udevice *dev, int offset, u8 *valuep) int ret; ret = dm_pci_read_config(dev, offset, &value, PCI_SIZE_8); - if (ret) + if (ret) { + *valuep = 0xff; return ret; + } *valuep = value; return 0; @@ -460,8 +470,10 @@ int dm_pci_read_config16(const struct udevice *dev, int offset, u16 *valuep) int ret; ret = dm_pci_read_config(dev, offset, &value, PCI_SIZE_16); - if (ret) + if (ret) { + *valuep = 0xffff; return ret; + } *valuep = value; return 0; @@ -473,8 +485,10 @@ int dm_pci_read_config32(const struct udevice *dev, int offset, u32 *valuep) int ret; ret = dm_pci_read_config(dev, offset, &value, PCI_SIZE_32); - if (ret) + if (ret) { + *valuep = 0xffffffff; return ret; + } *valuep = value; return 0; |