diff options
Diffstat (limited to 'drivers/net/fsl_mdio.c')
| -rw-r--r-- | drivers/net/fsl_mdio.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/net/fsl_mdio.c b/drivers/net/fsl_mdio.c index 1d88e6504b..d6b181b386 100644 --- a/drivers/net/fsl_mdio.c +++ b/drivers/net/fsl_mdio.c @@ -11,7 +11,6 @@ #include <fsl_mdio.h> #include <asm/io.h> #include <asm/errno.h> -#include <asm/fsl_enet.h> void tsec_local_mdio_write(struct tsec_mii_mng __iomem *phyregs, int port_addr, int dev_addr, int regnum, int value) @@ -20,7 +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--) ; @@ -38,11 +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)) |