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 <rmk+kernel@arm.linux.org.uk> Acked-by: Mark A. Greer <mgreer@animalcreek.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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@ -110,6 +110,32 @@ struct mv64xxx_i2c_data {
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struct i2c_adapter adapter;
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};
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static void
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mv64xxx_i2c_prepare_for_io(struct mv64xxx_i2c_data *drv_data,
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struct i2c_msg *msg)
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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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if (msg->flags & I2C_M_RD)
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dir = 1;
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if (msg->flags & I2C_M_TEN) {
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drv_data->addr1 = 0xf0 | (((u32)msg->addr & 0x300) >> 7) | dir;
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drv_data->addr2 = (u32)msg->addr & 0xff;
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} else {
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drv_data->addr1 = ((u32)msg->addr & 0x7f) << 1 | dir;
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drv_data->addr2 = 0;
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}
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}
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/*
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*****************************************************************************
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*
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@ -346,32 +372,6 @@ mv64xxx_i2c_intr(int irq, void *dev_id)
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*
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*****************************************************************************
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*/
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static void
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mv64xxx_i2c_prepare_for_io(struct mv64xxx_i2c_data *drv_data,
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struct i2c_msg *msg)
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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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if (msg->flags & I2C_M_RD)
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dir = 1;
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if (msg->flags & I2C_M_TEN) {
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drv_data->addr1 = 0xf0 | (((u32)msg->addr & 0x300) >> 7) | dir;
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drv_data->addr2 = (u32)msg->addr & 0xff;
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} else {
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drv_data->addr1 = ((u32)msg->addr & 0x7f) << 1 | dir;
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drv_data->addr2 = 0;
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}
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}
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static void
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mv64xxx_i2c_wait_for_completion(struct mv64xxx_i2c_data *drv_data)
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{
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