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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>
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1 changed files with 5 additions and 9 deletions
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@ -158,10 +158,6 @@ static int rcar_i2c_read_common(struct udevice *dev, struct i2c_msg *msg)
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u32 icmcr = RCAR_I2C_ICMCR_MDBS | RCAR_I2C_ICMCR_MIE;
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int i, ret = -EREMOTEIO;
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ret = rcar_i2c_set_addr(dev, msg->addr, 1);
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if (ret)
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return ret;
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for (i = 0; i < msg->len; i++) {
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if (msg->len - 1 == i)
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icmcr |= RCAR_I2C_ICMCR_FSB;
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@ -188,10 +184,6 @@ static int rcar_i2c_write_common(struct udevice *dev, struct i2c_msg *msg)
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u32 icmcr = RCAR_I2C_ICMCR_MDBS | RCAR_I2C_ICMCR_MIE;
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int i, ret = -EREMOTEIO;
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ret = rcar_i2c_set_addr(dev, msg->addr, 0);
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if (ret)
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return ret;
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for (i = 0; i < msg->len; i++) {
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writel(msg->buf[i], priv->base + RCAR_I2C_ICRXD_ICTXD);
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writel(icmcr, priv->base + RCAR_I2C_ICMCR);
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@ -215,6 +207,10 @@ static int rcar_i2c_xfer(struct udevice *dev, struct i2c_msg *msg, int nmsgs)
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int ret;
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for (; nmsgs > 0; nmsgs--, msg++) {
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ret = rcar_i2c_set_addr(dev, msg->addr, 1);
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if (ret)
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return ret;
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if (msg->flags & I2C_M_RD)
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ret = rcar_i2c_read_common(dev, msg);
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else
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@ -224,7 +220,7 @@ static int rcar_i2c_xfer(struct udevice *dev, struct i2c_msg *msg, int nmsgs)
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return ret;
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}
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return ret;
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return 0;
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}
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static int rcar_i2c_probe_chip(struct udevice *dev, uint addr, uint flags)
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