Commit 353f56b5 authored by Laxman Dewangan's avatar Laxman Dewangan Committed by Wolfram Sang

i2c: tegra: fix 10bit address configuration

The slave address of device to be configured in packet
header as follows:
    7 bit address: PacketHeader3[7:1]
    10 bit address: PacketHeader3[9:0]

Fixing the code to make packet header3 properly.
Signed-off-by: default avatarLaxman Dewangan <ldewangan@nvidia.com>
Acked-by: default avatarJean Delvare <khali@linux-fr.org>
Signed-off-by: default avatarWolfram Sang <w.sang@pengutronix.de>
parent b4f0b74e
...@@ -476,12 +476,15 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev, ...@@ -476,12 +476,15 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
packet_header = msg->len - 1; packet_header = msg->len - 1;
i2c_writel(i2c_dev, packet_header, I2C_TX_FIFO); i2c_writel(i2c_dev, packet_header, I2C_TX_FIFO);
packet_header = msg->addr << I2C_HEADER_SLAVE_ADDR_SHIFT; packet_header = I2C_HEADER_IE_ENABLE;
packet_header |= I2C_HEADER_IE_ENABLE;
if (!stop) if (!stop)
packet_header |= I2C_HEADER_REPEAT_START; packet_header |= I2C_HEADER_REPEAT_START;
if (msg->flags & I2C_M_TEN) if (msg->flags & I2C_M_TEN) {
packet_header |= msg->addr;
packet_header |= I2C_HEADER_10BIT_ADDR; packet_header |= I2C_HEADER_10BIT_ADDR;
} else {
packet_header |= msg->addr << I2C_HEADER_SLAVE_ADDR_SHIFT;
}
if (msg->flags & I2C_M_IGNORE_NAK) if (msg->flags & I2C_M_IGNORE_NAK)
packet_header |= I2C_HEADER_CONT_ON_NAK; packet_header |= I2C_HEADER_CONT_ON_NAK;
if (msg->flags & I2C_M_RD) if (msg->flags & I2C_M_RD)
...@@ -557,7 +560,7 @@ static int tegra_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], ...@@ -557,7 +560,7 @@ static int tegra_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[],
static u32 tegra_i2c_func(struct i2c_adapter *adap) static u32 tegra_i2c_func(struct i2c_adapter *adap)
{ {
return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL | I2C_FUNC_10BIT_ADDR;
} }
static const struct i2c_algorithm tegra_i2c_algo = { static const struct i2c_algorithm tegra_i2c_algo = {
......
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