diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-octeon.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-octeon.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-octeon.c b/drivers/i2c/busses/i2c-octeon.c index f83f6b8892b5..08ca66505ce2 100644 --- a/drivers/i2c/busses/i2c-octeon.c +++ b/drivers/i2c/busses/i2c-octeon.c @@ -103,6 +103,12 @@ struct octeon_i2c { struct device *dev; }; +static void octeon_i2c_writeq_flush(u64 val, void __iomem *addr) +{ + __raw_writeq(val, addr); + __raw_readq(addr); /* wait for write to land */ +} + /** * octeon_i2c_reg_write - write an I2C core register * @i2c: The struct octeon_i2c @@ -172,8 +178,7 @@ static u64 octeon_i2c_read_int(struct octeon_i2c *i2c) */ static void octeon_i2c_write_int(struct octeon_i2c *i2c, u64 data) { - __raw_writeq(data, i2c->twsi_base + TWSI_INT); - __raw_readq(i2c->twsi_base + TWSI_INT); + octeon_i2c_writeq_flush(data, i2c->twsi_base + TWSI_INT); } /** |