From 7c8f821e5dde39dd507925168cd38b1e3d9d46d5 Mon Sep 17 00:00:00 2001 From: Ismael Luceno Cortes Date: Thu, 7 Mar 2019 18:00:54 +0000 Subject: [PATCH] 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 Reviewed-by: Marek Vasut Reviewed-by: Heiko Schocher --- drivers/i2c/rcar_i2c.c | 14 +++++--------- 1 file 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)