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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>
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@ -227,9 +227,6 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
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debug("spi_xfer: bus:%i cs:%i bitlen:%i len:%i flags:%lx\n",
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slave->bus, slave->cs, bitlen, len, flags);
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if (bitlen == 0)
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return -1;
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if (bitlen % 8) {
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debug("spi_xfer: Non byte aligned SPI transfer\n");
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return -1;
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