diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-sh-msiof.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c index fcd261f98b9f..06bc4b170c47 100644 --- a/drivers/spi/spi-sh-msiof.c +++ b/drivers/spi/spi-sh-msiof.c @@ -784,11 +784,21 @@ static int sh_msiof_dma_once(struct sh_msiof_spi_priv *p, const void *tx, goto stop_dma; } - /* wait for tx fifo to be emptied / rx fifo to be filled */ + /* wait for tx/rx DMA completion */ ret = sh_msiof_wait_for_completion(p); if (ret) goto stop_reset; + if (!rx) { + reinit_completion(&p->done); + sh_msiof_write(p, IER, IER_TEOFE); + + /* wait for tx fifo to be emptied */ + ret = sh_msiof_wait_for_completion(p); + if (ret) + goto stop_reset; + } + /* clear status bits */ sh_msiof_reset_str(p); |
