Hi Grant, Any comments?
Sonic Zhang On Fri, Aug 12, 2011 at 10:48 AM, Sonic Zhang <[email protected]> wrote: > From: Sonic Zhang <[email protected]> > > Poll the FIFO till it is empty before deassert SSEL in pump_transfers in > soft irq mode. No polling is necessary in interrupt mode and error handling. > > Signed-off-by: Sonic Zhang <[email protected]> > --- > drivers/spi/spi-bfin5xx.c | 5 ++++- > 1 files changed, 4 insertions(+), 1 deletions(-) > > diff --git a/drivers/spi/spi-bfin5xx.c b/drivers/spi/spi-bfin5xx.c > index b8d25f2..7e03e7d 100644 > --- a/drivers/spi/spi-bfin5xx.c > +++ b/drivers/spi/spi-bfin5xx.c > @@ -587,6 +587,7 @@ static void bfin_spi_pump_transfers(unsigned long data) > if (message->state == DONE_STATE) { > dev_dbg(&drv_data->pdev->dev, "transfer: all done!\n"); > message->status = 0; > + bfin_spi_flush(drv_data); > bfin_spi_giveback(drv_data); > return; > } > @@ -870,8 +871,10 @@ static void bfin_spi_pump_transfers(unsigned long data) > message->actual_length += drv_data->len_in_bytes; > /* Move to next transfer of this msg */ > message->state = bfin_spi_next_transfer(drv_data); > - if (drv_data->cs_change) > + if (drv_data->cs_change) { > + bfin_spi_flush(drv_data); > bfin_spi_cs_deactive(drv_data, chip); > + } > } > > /* Schedule next transfer tasklet */ > -- > 1.7.0.4 > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > ------------------------------------------------------------------------------ Get a FREE DOWNLOAD! and learn more about uberSVN rich system, user administration capabilities and model configuration. Take the hassle out of deploying and managing Subversion and the tools developers use with it. http://p.sf.net/sfu/wandisco-d2d-2 _______________________________________________ spi-devel-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/spi-devel-general
