diff options
| author | Ismael Luceno Cortes <ismael.luceno@silicon-gears.com> | 2019-03-07 18:00:54 +0000 |
|---|---|---|
| committer | Heiko Schocher <hs@denx.de> | 2019-03-08 05:53:33 +0100 |
| commit | 7c8f821e5dde39dd507925168cd38b1e3d9d46d5 (patch) | |
| tree | d9819092bd0f8ea484c755719f6c21a23216af4b /drivers/i2c/rcar_i2c.c | |
| parent | ff4035be9bd1ef60f5cf772539304ac1ee728fbb (diff) | |
| download | u-boot-7c8f821e5dde39dd507925168cd38b1e3d9d46d5.tar.gz | |
i2c: rcar_i2c: Set the slave address from rcar_i2c_xfer
It needs to be done for both reads and writes, so do it at rcar_i2c_xfer
to avoid duplication.
Signed-off-by: Ismael Luceno <ismael.luceno@silicon-gears.com>
Reviewed-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'drivers/i2c/rcar_i2c.c')
| -rw-r--r-- | drivers/i2c/rcar_i2c.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/i2c/rcar_i2c.c b/drivers/i2c/rcar_i2c.c index 9223eaecbf..78ef8acacc 100644 --- a/drivers/i2c/rcar_i2c.c +++ b/drivers/i2c/rcar_i2c.c @@ -158,10 +158,6 @@ static int rcar_i2c_read_common(struct udevice *dev, struct i2c_msg *msg) u32 icmcr = RCAR_I2C_ICMCR_MDBS | RCAR_I2C_ICMCR_MIE; int i, ret = -EREMOTEIO; - ret = rcar_i2c_set_addr(dev, msg->addr, 1); - if (ret) - return ret; - for (i = 0; i < msg->len; i++) { if (msg->len - 1 == i) icmcr |= RCAR_I2C_ICMCR_FSB; @@ -188,10 +184,6 @@ static int rcar_i2c_write_common(struct udevice *dev, struct i2c_msg *msg) u32 icmcr = RCAR_I2C_ICMCR_MDBS | RCAR_I2C_ICMCR_MIE; int i, ret = -EREMOTEIO; - ret = rcar_i2c_set_addr(dev, msg->addr, 0); - if (ret) - return ret; - for (i = 0; i < msg->len; i++) { writel(msg->buf[i], priv->base + RCAR_I2C_ICRXD_ICTXD); writel(icmcr, priv->base + RCAR_I2C_ICMCR); @@ -215,6 +207,10 @@ static int rcar_i2c_xfer(struct udevice *dev, struct i2c_msg *msg, int nmsgs) int ret; for (; nmsgs > 0; nmsgs--, msg++) { + ret = rcar_i2c_set_addr(dev, msg->addr, 1); + if (ret) + return ret; + if (msg->flags & I2C_M_RD) ret = rcar_i2c_read_common(dev, msg); else @@ -224,7 +220,7 @@ static int rcar_i2c_xfer(struct udevice *dev, struct i2c_msg *msg, int nmsgs) return ret; } - return ret; + return 0; } static int rcar_i2c_probe_chip(struct udevice *dev, uint addr, uint flags) |