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Date:	Fri,  3 Oct 2014 14:30:23 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org,
	"Jorge A. Ventura" <jorge.araujo.ventura@...il.com>,
	Mark Brown <broonie@...aro.org>
Subject: [PATCH 3.14 108/238] spi/omap-mcspi: Fix the spi task hangs waiting dma_rx

3.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: "Jorge A. Ventura" <jorge.araujo.ventura@...il.com>

commit 3d0763c006f8da1b44a9f5f9a21187f5b8f674f4 upstream.

The spi hangs waiting the completion of omap2_mcspi_rx_callback.

Signed-off-by: Jorge A. Ventura <jorge.araujo.ventura@...il.com>
Signed-off-by: Mark Brown <broonie@...aro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/spi/spi-omap2-mcspi.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/spi/spi-omap2-mcspi.c
+++ b/drivers/spi/spi-omap2-mcspi.c
@@ -321,7 +321,8 @@ static void omap2_mcspi_set_fifo(const s
 disable_fifo:
 	if (t->rx_buf != NULL)
 		chconf &= ~OMAP2_MCSPI_CHCONF_FFER;
-	else
+
+	if (t->tx_buf != NULL)
 		chconf &= ~OMAP2_MCSPI_CHCONF_FFET;
 
 	mcspi_write_chconf0(spi, chconf);


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