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

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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>
This commit is contained in:
Scott Jiang 2012-04-23 18:18:09 -04:00 committed by Grant Likely
parent 22ac3e82e1
commit 488e1a9de2
1 changed files with 3 additions and 4 deletions
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7
drivers/spi/spi-bfin-sport.c
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@ -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;