X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fnet%2Ffsl_mdio.c;h=d6b181b38604c4dd4133646baf07d641200f7551;hb=9d86c8dc960c6f4e7e349a41cd2757098da6a92f;hp=8d09f5d1fe9b204757404afddfe38ed9076da9ba;hpb=93f26f130eede8db0cb47afcaf66016987b91731;p=u-boot

diff --git a/drivers/net/fsl_mdio.c b/drivers/net/fsl_mdio.c
index 8d09f5d1fe..d6b181b386 100644
--- a/drivers/net/fsl_mdio.c
+++ b/drivers/net/fsl_mdio.c
@@ -19,7 +19,8 @@ void tsec_local_mdio_write(struct tsec_mii_mng __iomem *phyregs, int port_addr,
 
 	out_be32(&phyregs->miimadd, (port_addr << 8) | (regnum & 0x1f));
 	out_be32(&phyregs->miimcon, value);
-	asm("sync");
+	/* Memory barrier */
+	mb();
 
 	while ((in_be32(&phyregs->miimind) & MIIMIND_BUSY) && timeout--)
 		;
@@ -37,11 +38,13 @@ int tsec_local_mdio_read(struct tsec_mii_mng __iomem *phyregs, int port_addr,
 
 	/* Clear the command register, and wait */
 	out_be32(&phyregs->miimcom, 0);
-	asm("sync");
+	/* Memory barrier */
+	mb();
 
 	/* Initiate a read command, and wait */
 	out_be32(&phyregs->miimcom, MIIMCOM_READ_CYCLE);
-	asm("sync");
+	/* Memory barrier */
+	mb();
 
 	/* Wait for the the indication that the read is done */
 	while ((in_be32(&phyregs->miimind) & (MIIMIND_NOTVALID | MIIMIND_BUSY))