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spi/omap-mcspi: Fix the spi task hangs waiting dma_rx

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The spi hangs waiting the completion of omap2_mcspi_rx_callback.

Signed-off-by: Jorge A. Ventura <jorge.araujo.ventura@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
This commit is contained in:
Jorge A. Ventura
2014-08-09 16:06:58 -05:00
committed by Mark Brown
parent fab6a0410d
commit 3d0763c006
1 changed files with 2 additions and 1 deletions
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3
drivers/spi/spi-omap2-mcspi.c
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@@ -329,7 +329,8 @@ static void omap2_mcspi_set_fifo(const struct spi_device *spi,
disable_fifo: disable_fifo:
if (t->rx_buf != NULL) if (t->rx_buf != NULL)
chconf &= ~OMAP2_MCSPI_CHCONF_FFER; chconf &= ~OMAP2_MCSPI_CHCONF_FFER;
else
if (t->tx_buf != NULL)
chconf &= ~OMAP2_MCSPI_CHCONF_FFET; chconf &= ~OMAP2_MCSPI_CHCONF_FFET;
mcspi_write_chconf0(spi, chconf); mcspi_write_chconf0(spi, chconf);