On Sat, Mar 7, 2015 at 1:46 AM, <[email protected]> wrote: > From: Thor Thayer <[email protected]> > > Instead of clearing the RxU, RxO, and TxO IRQs individually with > 3 register reads, a single read of the ICR register will do the > same thing. > > Signed-off-by: Thor Thayer <[email protected]> > Signed-off-by: Andy Shevchenko <[email protected]>
Rather Suggested-by: … Otherwise, Acked-by: Andy Shevchenko <[email protected]> > --- > drivers/spi/spi-dw.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c > index 950bc50..c5fa2be 100644 > --- a/drivers/spi/spi-dw.c > +++ b/drivers/spi/spi-dw.c > @@ -258,9 +258,7 @@ static irqreturn_t interrupt_transfer(struct dw_spi *dws) > > /* Error handling */ > if (irq_status & (SPI_INT_TXOI | SPI_INT_RXOI | SPI_INT_RXUI)) { > - dw_readw(dws, DW_SPI_TXOICR); > - dw_readw(dws, DW_SPI_RXOICR); > - dw_readw(dws, DW_SPI_RXUICR); > + dw_readw(dws, DW_SPI_ICR); > int_error_stop(dws, "interrupt_transfer: fifo > overrun/underrun"); > return IRQ_HANDLED; > } > -- > 1.7.9.5 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-spi" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html -- With Best Regards, Andy Shevchenko -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
