diff options
Diffstat (limited to 'src/soc/intel/broadwell/pch.c')
| -rw-r--r-- | src/soc/intel/broadwell/pch.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/src/soc/intel/broadwell/pch.c b/src/soc/intel/broadwell/pch.c index f6f3746d0e..ac6ac2ad7f 100644 --- a/src/soc/intel/broadwell/pch.c +++ b/src/soc/intel/broadwell/pch.c @@ -171,7 +171,7 @@ void pch_disable_devfn(struct device *dev) void broadwell_pch_enable_dev(struct device *dev) { - u32 reg32; + u16 reg16; /* These devices need special enable/disable handling */ switch (PCI_SLOT(dev->path.pci.devfn)) { @@ -185,18 +185,16 @@ void broadwell_pch_enable_dev(struct device *dev) printk(BIOS_DEBUG, "%s: Disabling device\n", dev_path(dev)); /* Ensure memory, io, and bus master are all disabled */ - reg32 = pci_read_config32(dev, PCI_COMMAND); - reg32 &= ~(PCI_COMMAND_MASTER | + reg16 = pci_read_config16(dev, PCI_COMMAND); + reg16 &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO); - pci_write_config32(dev, PCI_COMMAND, reg32); + pci_write_config16(dev, PCI_COMMAND, reg16); /* Disable this device if possible */ pch_disable_devfn(dev); } else { /* Enable SERR */ - reg32 = pci_read_config32(dev, PCI_COMMAND); - reg32 |= PCI_COMMAND_SERR; - pci_write_config32(dev, PCI_COMMAND, reg32); + pci_or_config16(dev, PCI_COMMAND, PCI_COMMAND_SERR); } } |