diff options
Diffstat (limited to 'drivers/spi/spi.c')
| -rw-r--r-- | drivers/spi/spi.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index bcca66c5107f..3738e7cbff33 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -1067,8 +1067,11 @@ static int of_spi_register_master(struct spi_master *master) nb = of_gpio_named_count(np, "cs-gpios"); master->num_chipselect = max(nb, (int)master->num_chipselect); - if (nb < 1) + /* Return error only for an incorrectly formed cs-gpios property */ + if (nb == 0 || nb == -ENOENT) return 0; + else if (nb < 0) + return nb; cs = devm_kzalloc(&master->dev, sizeof(int) * master->num_chipselect, |