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path: root/drivers/pci
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Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/pci.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 9af986085d09..5c80b59c5931 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -2601,13 +2601,13 @@ EXPORT_SYMBOL(pcix_get_max_mmrbc);
int pcix_get_mmrbc(struct pci_dev *dev)
{
int ret, cap;
- u32 cmd;
+ u16 cmd;
cap = pci_find_capability(dev, PCI_CAP_ID_PCIX);
if (!cap)
return -EINVAL;
- ret = pci_read_config_dword(dev, cap + PCI_X_CMD, &cmd);
+ ret = pci_read_config_word(dev, cap + PCI_X_CMD, &cmd);
if (!ret)
ret = 512 << ((cmd & PCI_X_CMD_MAX_READ) >> 2);
@@ -2627,7 +2627,8 @@ EXPORT_SYMBOL(pcix_get_mmrbc);
int pcix_set_mmrbc(struct pci_dev *dev, int mmrbc)
{
int cap, err = -EINVAL;
- u32 stat, cmd, v, o;
+ u32 stat, v, o;
+ u16 cmd;
if (mmrbc < 512 || mmrbc > 4096 || !is_power_of_2(mmrbc))
goto out;
@@ -2645,7 +2646,7 @@ int pcix_set_mmrbc(struct pci_dev *dev, int mmrbc)
if (v > (stat & PCI_X_STATUS_MAX_READ) >> 21)
return -E2BIG;
- err = pci_read_config_dword(dev, cap + PCI_X_CMD, &cmd);
+ err = pci_read_config_word(dev, cap + PCI_X_CMD, &cmd);
if (err)
goto out;
@@ -2657,7 +2658,7 @@ int pcix_set_mmrbc(struct pci_dev *dev, int mmrbc)
cmd &= ~PCI_X_CMD_MAX_READ;
cmd |= v << 2;
- err = pci_write_config_dword(dev, cap + PCI_X_CMD, cmd);
+ err = pci_write_config_word(dev, cap + PCI_X_CMD, cmd);
}
out:
return err;