i2c: mv64xxx: refactor initialization for new msgs
We now have a central place to put this code to. Tested-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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@ -178,11 +178,6 @@ mv64xxx_i2c_prepare_for_io(struct mv64xxx_i2c_data *drv_data,
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{
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u32 dir = 0;
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drv_data->msg = msg;
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drv_data->byte_posn = 0;
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drv_data->bytes_left = msg->len;
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drv_data->aborting = 0;
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drv_data->rc = 0;
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drv_data->cntl_bits = MV64XXX_I2C_REG_CONTROL_ACK |
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MV64XXX_I2C_REG_CONTROL_INTEN | MV64XXX_I2C_REG_CONTROL_TWSIEN;
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@ -208,11 +203,6 @@ static int mv64xxx_i2c_offload_msg(struct mv64xxx_i2c_data *drv_data)
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if (!drv_data->offload_enabled)
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return -EOPNOTSUPP;
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drv_data->msg = msg;
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drv_data->byte_posn = 0;
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drv_data->bytes_left = msg->len;
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drv_data->aborting = 0;
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drv_data->rc = 0;
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/* Only regular transactions can be offloaded */
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if ((msg->flags & ~(I2C_M_TEN | I2C_M_RD)) != 0)
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return -EINVAL;
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@ -423,6 +413,12 @@ mv64xxx_i2c_fsm(struct mv64xxx_i2c_data *drv_data, u32 status)
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static void mv64xxx_i2c_send_start(struct mv64xxx_i2c_data *drv_data)
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{
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drv_data->msg = drv_data->msgs;
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drv_data->byte_posn = 0;
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drv_data->bytes_left = drv_data->msg->len;
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drv_data->aborting = 0;
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drv_data->rc = 0;
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/* Can we offload this msg ? */
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if (mv64xxx_i2c_offload_msg(drv_data) < 0) {
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/* No, switch to standard path */
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