zynq: spi: Remove unnecessary error condition
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>
Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
diff --git a/drivers/spi/zynq_spi.c b/drivers/spi/zynq_spi.c
index 5da8759..e9129da 100644
--- a/drivers/spi/zynq_spi.c
+++ b/drivers/spi/zynq_spi.c
@@ -227,9 +227,6 @@
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;