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i2c: mv64xxx: refactor initialization for new msgs

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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>
This commit is contained in:
Wolfram Sang 2014-02-13 21:36:33 +01:00
parent b0200abeba
commit 485ecdf1f4
1 changed files with 6 additions and 10 deletions
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16
drivers/i2c/busses/i2c-mv64xxx.c
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@ -178,11 +178,6 @@ mv64xxx_i2c_prepare_for_io(struct mv64xxx_i2c_data *drv_data,
{
u32 dir = 0;
drv_data->msg = msg;
drv_data->byte_posn = 0;
drv_data->bytes_left = msg->len;
drv_data->aborting = 0;
drv_data->rc = 0;
drv_data->cntl_bits = MV64XXX_I2C_REG_CONTROL_ACK |
MV64XXX_I2C_REG_CONTROL_INTEN | MV64XXX_I2C_REG_CONTROL_TWSIEN;
@ -208,11 +203,6 @@ static int mv64xxx_i2c_offload_msg(struct mv64xxx_i2c_data *drv_data)
if (!drv_data->offload_enabled)
return -EOPNOTSUPP;
drv_data->msg = msg;
drv_data->byte_posn = 0;
drv_data->bytes_left = msg->len;
drv_data->aborting = 0;
drv_data->rc = 0;
/* Only regular transactions can be offloaded */
if ((msg->flags & ~(I2C_M_TEN | I2C_M_RD)) != 0)
return -EINVAL;
@ -423,6 +413,12 @@ mv64xxx_i2c_fsm(struct mv64xxx_i2c_data *drv_data, u32 status)
static void mv64xxx_i2c_send_start(struct mv64xxx_i2c_data *drv_data)
{
drv_data->msg = drv_data->msgs;
drv_data->byte_posn = 0;
drv_data->bytes_left = drv_data->msg->len;
drv_data->aborting = 0;
drv_data->rc = 0;
/* Can we offload this msg ? */
if (mv64xxx_i2c_offload_msg(drv_data) < 0) {
/* No, switch to standard path */