diff options
| author | Marek Vasut <marex@denx.de> | 2012-08-24 04:34:18 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-08-27 18:36:52 +0200 |
| commit | c895db0fb2c9e77fd94ba7995e2a01652a91910c (patch) | |
| tree | b85c0d104c8c82d13300ab8e51ec35de7a06cdc1 /drivers/spi | |
| parent | spi/mxs: Add SSP/SPI device tree documentation (diff) | |
| download | linux-c895db0fb2c9e77fd94ba7995e2a01652a91910c.tar.xz linux-c895db0fb2c9e77fd94ba7995e2a01652a91910c.zip | |
mxs/spi: Restart the block after unsuccessful transfer
Restart the SSP block in case the SSP transfer failed in any way.
The block hung in some cases otherwise.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Chris Ball <cjb@laptop.org>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-mxs.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/spi/spi-mxs.c b/drivers/spi/spi-mxs.c index 130a43688352..447f917fe66f 100644 --- a/drivers/spi/spi-mxs.c +++ b/drivers/spi/spi-mxs.c @@ -439,8 +439,10 @@ static int mxs_spi_transfer_one(struct spi_master *master, } m->actual_length += t->len; - if (status) + if (status) { + stmp_reset_block(ssp->base); break; + } first = last = 0; } |