Signed-off-by: Axel Lin <[email protected]>
---
drivers/spi/spi-bitbang.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/spi/spi-bitbang.c b/drivers/spi/spi-bitbang.c
index 3bfdb85..4beabea 100644
--- a/drivers/spi/spi-bitbang.c
+++ b/drivers/spi/spi-bitbang.c
@@ -317,10 +317,6 @@ static int spi_bitbang_transfer_one(struct spi_master
*master,
ndelay(nsecs);
}
cs_change = t->cs_change;
- if (!t->tx_buf && !t->rx_buf && t->len) {
- status = -EINVAL;
- break;
- }
/* transfer data. the lower level code handles any
* new dma mappings it needs. our caller always gave
--
1.8.3.2
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