spi/spi-bfin-sport: move word length setup to transfer handler

Each transfer may have its own bits per word.

Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

diff --git a/drivers/spi/spi-bfin-sport.c b/drivers/spi/spi-bfin-sport.c
index 248a2cc..bfd9047 100644 (file)
--- a/drivers/spi/spi-bfin-sport.c
+++ b/drivers/spi/spi-bfin-sport.c
@@ -252,19 +252,15 @@ static void
 bfin_sport_spi_restore_state(struct bfin_sport_spi_master_data *drv_data)
 {
        struct bfin_sport_spi_slave_data *chip = drv_data->cur_chip;
-       unsigned int bits = (drv_data->ops == &bfin_sport_transfer_ops_u8 ? 7 : 15);
 
        bfin_sport_spi_disable(drv_data);
        dev_dbg(drv_data->dev, "restoring spi ctl state\n");
 
        bfin_write(&drv_data->regs->tcr1, chip->ctl_reg);
-       bfin_write(&drv_data->regs->tcr2, bits);
        bfin_write(&drv_data->regs->tclkdiv, chip->baud);
-       bfin_write(&drv_data->regs->tfsdiv, bits);
        SSYNC();
 
        bfin_write(&drv_data->regs->rcr1, chip->ctl_reg & ~(ITCLK | ITFS));
-       bfin_write(&drv_data->regs->rcr2, bits);
        SSYNC();
 
        bfin_sport_spi_cs_active(chip);
@@ -425,6 +421,9 @@ bfin_sport_spi_pump_transfers(unsigned long data)
                drv_data->ops = &bfin_sport_transfer_ops_u8;
        else
                drv_data->ops = &bfin_sport_transfer_ops_u16;
+       bfin_write(&drv_data->regs->tcr2, bits_per_word - 1);
+       bfin_write(&drv_data->regs->tfsdiv, bits_per_word - 1);
+       bfin_write(&drv_data->regs->rcr2, bits_per_word - 1);
 
        drv_data->state = RUNNING_STATE;