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| author | Scott Jiang <scott.jiang.linux@gmail.com> | 2012-04-23 18:18:09 -0400 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2012-04-27 12:16:21 -0600 |
| commit | 488e1a9de27f0a299fc185f0b5c67246a3f0c6c9 (patch) | |
| tree | a4c3130931148e5d3744e8fbb7b69fc8d924959e /drivers/spi/spi-bfin-sport.c | |
| parent | 22ac3e82e1d3e5cad92538fe4ab51906cb220444 (diff) | |
| download | talos-obmc-linux-488e1a9de27f0a299fc185f0b5c67246a3f0c6c9.tar.gz talos-obmc-linux-488e1a9de27f0a299fc185f0b5c67246a3f0c6c9.zip | |
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>
Diffstat (limited to 'drivers/spi/spi-bfin-sport.c')
| -rw-r--r-- | drivers/spi/spi-bfin-sport.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/spi/spi-bfin-sport.c b/drivers/spi/spi-bfin-sport.c index 248a2cc671a9..bfd90474c7e2 100644 --- 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; |
