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Xilinx: SPI: Fix bits_per_word for transfers 

The bits_per_word value can be set for each transfer, or can
be set to zero in each transfer in which case it should default
to the value in the driver.

The driver was fixed to properly check the bits_per_word in
the transfer that is passed in.

Signed-off-by: John Linn <john.linn@xilinx.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
John Linn 2009-09-14 08:17:05 +00:00 committed by Grant Likely
parent f856cf0178
commit 1a8d3b777d
1 changed files with 2 additions and 1 deletions
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3
drivers/spi/xilinx_spi.c
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@ -148,7 +148,8 @@ static int xilinx_spi_setup_transfer(struct spi_device *spi,
{
u8 bits_per_word;
bits_per_word = (t) ? t->bits_per_word : spi->bits_per_word;
bits_per_word = (t && t->bits_per_word)
? t->bits_per_word : spi->bits_per_word;
if (bits_per_word != 8) {
dev_err(&spi->dev, "%s, unsupported bits_per_word=%d\n",
__func__, bits_per_word);