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spi: altera_spi: fix altera_spi_setup() return error codes 

Reported-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Antony Pavlov 2014-04-07 11:50:39 +04:00 committed by Sascha Hauer
parent 0af79fbb67
commit e21962062e
1 changed files with 3 additions and 3 deletions
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6
drivers/spi/altera_spi.c
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@ -34,18 +34,18 @@ static int altera_spi_setup(struct spi_device *spi)
if (spi->bits_per_word != altera_spi->databits) {
dev_err(master->dev, " master doesn't support %d bits per word requested by %s\n",
spi->bits_per_word, spi_dev.name);
return -1;
return -EINVAL;
}
if ((spi->mode & (SPI_CPHA | SPI_CPOL)) != altera_spi->mode) {
dev_err(master->dev, " master doesn't support SPI_MODE%d requested by %s\n",
spi->mode & (SPI_CPHA | SPI_CPOL), spi_dev.name);
return -1;
return -EINVAL;
}
if (spi->max_speed_hz < altera_spi->speed) {
dev_err(master->dev, " frequency is too high for %s\n", spi_dev.name);
return -1;
return -EINVAL;
}
altera_spi_cs_inactive(spi);