Once the module process a transfer in irq mode, the next poll transfer will not work because the transmitter is left in inhibited state.
Fixes: 22417352f6b7f623 (Use polling mode on small transfers) Reported-by: Edward Kigwana <[email protected]> Signed-off-by: Ricardo Ribalda Delgado <[email protected]> --- drivers/spi/spi-xilinx.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/spi/spi-xilinx.c b/drivers/spi/spi-xilinx.c index 133f53a9c1d4..7abf6792cc11 100644 --- a/drivers/spi/spi-xilinx.c +++ b/drivers/spi/spi-xilinx.c @@ -302,8 +302,10 @@ static int xilinx_spi_txrx_bufs(struct spi_device *spi, struct spi_transfer *t) remaining_words -= n_words; } - if (use_irq) + if (use_irq) { xspi->write_fn(0, xspi->regs + XIPIF_V123B_DGIER_OFFSET); + xspi->write_fn(cr, xspi->regs + XSPI_CR_OFFSET); + } return t->len; } -- 2.5.0 -- 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
