From: Siva Durga Prasad Paladugu siva.durga.paladugu@xilinx.com
Removed the unnecessary error check from spi_xfer as the bitlen zero is possible now to deassert the chip select for which no data is required to be transfered.
Signed-off-by: Siva Durga Prasad Paladugu sivadur@xilinx.com Signed-off-by: Michal Simek michal.simek@xilinx.com ---
drivers/spi/zynq_spi.c | 3 --- 1 file changed, 3 deletions(-)
diff --git a/drivers/spi/zynq_spi.c b/drivers/spi/zynq_spi.c index 5da87591ceef..e9129da79d99 100644 --- a/drivers/spi/zynq_spi.c +++ b/drivers/spi/zynq_spi.c @@ -227,9 +227,6 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, debug("spi_xfer: bus:%i cs:%i bitlen:%i len:%i flags:%lx\n", slave->bus, slave->cs, bitlen, len, flags);
- if (bitlen == 0) - return -1; - if (bitlen % 8) { debug("spi_xfer: Non byte aligned SPI transfer\n"); return -1;