[PATCH u-boot 1/3] pci: mpc85xx: Add missing sync() after writing to PCI config space

On PowerPC we should use barrier after store operation to HW register.

Signed-off-by: Pali Rohár pali@kernel.org --- drivers/pci/pci_mpc85xx.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/drivers/pci/pci_mpc85xx.c b/drivers/pci/pci_mpc85xx.c index 8a81a74067e9..23f14db83018 100644 --- a/drivers/pci/pci_mpc85xx.c +++ b/drivers/pci/pci_mpc85xx.c @@ -41,6 +41,7 @@ static int mpc85xx_pci_dm_write_config(struct udevice *dev, pci_dev_t bdf, out_be32(priv->cfg_addr, addr); sync(); out_le32(priv->cfg_data, pci_conv_size_to_32(0, value, offset, size)); + sync();

return 0; }