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spi: sh-msiof: Fix transmit-only DMA transfers 

Fix tx/rx mixup, which broke transmit-only transfers.

Introduced by commit 4240305f7cbdc7782aa8bc40cc702775d9ac0839
("spi: sh-msiof: Fix leaking of unused DMA descriptors").

Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Geert Uytterhoeven 2014-08-07 14:07:43 +02:00 committed by Mark Brown
parent 3e81b59208
commit cdcd565fa0
1 changed files with 2 additions and 2 deletions
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4
drivers/spi/spi-sh-msiof.c
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@ -693,9 +693,9 @@ static int sh_msiof_dma_once(struct sh_msiof_spi_priv *p, const void *tx,
reinit_completion(&p->done);
/* Now start DMA */
if (tx)
dma_async_issue_pending(p->master->dma_rx);
if (rx)
dma_async_issue_pending(p->master->dma_rx);
if (tx)
dma_async_issue_pending(p->master->dma_tx);
ret = sh_msiof_spi_start(p, rx);