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zynq: spi: Remove unnecessary error condition

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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>
This commit is contained in:
Siva Durga Prasad Paladugu 2015-04-15 13:13:28 +02:00 • committed by Jagannadha Sutradharudu Teki
parent 06bc1756c5
commit 8c48a68346
1 changed files with 0 additions and 3 deletions
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3
drivers/spi/zynq_spi.c
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@ -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;