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authorPali Rohár2023-04-13 22:41:44 +0200
committerTom Rini2023-05-01 18:59:33 -0400
commit76c72930f917ab348ff08d28a96b827d1626cb3a (patch)
tree0c1555059c93b2cd349b0d6d0f6a98dfc3f85195
parentf1dc0daf7a7c73e525d52698ab914b8f833bed00 (diff)
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> Reviewed-by: Heiko Schocher <hs@denx.de> Tested-by: Heiko Schocher <hs@denx.de>
-rw-r--r--drivers/pci/pci_mpc85xx.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pci/pci_mpc85xx.c b/drivers/pci/pci_mpc85xx.c
index 8a81a74067e..23f14db8301 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;
}