fix setupxfer() not to override generic configuration of speed_hz and bits_per_word with zeros
Signed-off-by: Jan Nikitenko <[email protected]> --- drivers/spi/au1550_spi.c | 10 ++++++++-- 1 files changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/spi/au1550_spi.c b/drivers/spi/au1550_spi.c index 76cbc1a..cfd5ff9 100644 --- a/drivers/spi/au1550_spi.c +++ b/drivers/spi/au1550_spi.c @@ -237,8 +237,14 @@ static int au1550_spi_setupxfer(struct spi_device *spi, struct spi_transfer *t) unsigned bpw, hz; u32 cfg, stat; - bpw = t ? t->bits_per_word : spi->bits_per_word; - hz = t ? t->speed_hz : spi->max_speed_hz; + bpw = spi->bits_per_word; + hz = spi->max_speed_hz; + if (t) { + if (t->bits_per_word) + bpw = t->bits_per_word; + if (t->speed_hz) + hz = t->speed_hz; + } if (bpw < 4 || bpw > 24) { dev_err(&spi->dev, "setupxfer: invalid bits_per_word=%d\n", ------------------------------------------------------------------------------ Join us December 9, 2009 for the Red Hat Virtual Experience, a free event focused on virtualization and cloud computing. Attend in-depth sessions from your desk. Your couch. Anywhere. http://p.sf.net/sfu/redhat-sfdev2dev _______________________________________________ spi-devel-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/spi-devel-general
