From 3420afbc06058c9c13f7d69cf48b9d5429db6bd9 Mon Sep 17 00:00:00 2001 From: Russell King Date: Thu, 16 May 2013 21:38:11 +0100 Subject: I2C: mv64xxx: move mv64xxx_i2c_prepare_for_io() Move mv64xxx_i2c_prepare_for_io() higher up in the driver to avoid a future forward declaration for this function. Signed-off-by: Russell King Acked-by: Mark A. Greer Signed-off-by: Wolfram Sang --- drivers/i2c/busses/i2c-mv64xxx.c | 52 ++++++++++++++++++++-------------------- 1 file changed, 26 insertions(+), 26 deletions(-) (limited to 'drivers/i2c') diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c index f11cb25..bb37e14 100644 --- a/drivers/i2c/busses/i2c-mv64xxx.c +++ b/drivers/i2c/busses/i2c-mv64xxx.c @@ -110,6 +110,32 @@ struct mv64xxx_i2c_data { struct i2c_adapter adapter; }; +static void +mv64xxx_i2c_prepare_for_io(struct mv64xxx_i2c_data *drv_data, + struct i2c_msg *msg) +{ + 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; + + if (msg->flags & I2C_M_RD) + dir = 1; + + if (msg->flags & I2C_M_TEN) { + drv_data->addr1 = 0xf0 | (((u32)msg->addr & 0x300) >> 7) | dir; + drv_data->addr2 = (u32)msg->addr & 0xff; + } else { + drv_data->addr1 = ((u32)msg->addr & 0x7f) << 1 | dir; + drv_data->addr2 = 0; + } +} + /* ***************************************************************************** * @@ -347,32 +373,6 @@ mv64xxx_i2c_intr(int irq, void *dev_id) ***************************************************************************** */ static void -mv64xxx_i2c_prepare_for_io(struct mv64xxx_i2c_data *drv_data, - struct i2c_msg *msg) -{ - 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; - - if (msg->flags & I2C_M_RD) - dir = 1; - - if (msg->flags & I2C_M_TEN) { - drv_data->addr1 = 0xf0 | (((u32)msg->addr & 0x300) >> 7) | dir; - drv_data->addr2 = (u32)msg->addr & 0xff; - } else { - drv_data->addr1 = ((u32)msg->addr & 0x7f) << 1 | dir; - drv_data->addr2 = 0; - } -} - -static void mv64xxx_i2c_wait_for_completion(struct mv64xxx_i2c_data *drv_data) { long time_left; -- cgit v1.1