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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-05-21 11:39:21 -0500 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-05-21 11:39:21 -0500 |
| commit | 4510dbe324876f2f2f3dc9931e97ec0e98f1ee26 (patch) | |
| tree | d42a8ff24b82e0c6b01756b3f2c33756fc30fc17 /drivers/spi/spi.c | |
| parent | b296263398f08d21e68d5d7b2afc43228c208b71 (diff) | |
| parent | c7788792a5e7b0d5d7f96d0766b4cb6112d47d75 (diff) | |
| download | op-kernel-dev-4510dbe324876f2f2f3dc9931e97ec0e98f1ee26.zip op-kernel-dev-4510dbe324876f2f2f3dc9931e97ec0e98f1ee26.tar.gz | |
Merge tag 'v3.10-rc2' into asoc-ux500
Linux 3.10-rc2
Diffstat (limited to 'drivers/spi/spi.c')
| -rw-r--r-- | drivers/spi/spi.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 163fd80..32b7bb1 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -334,7 +334,7 @@ struct spi_device *spi_alloc_device(struct spi_master *master) spi->dev.parent = &master->dev; spi->dev.bus = &spi_bus_type; spi->dev.release = spidev_release; - spi->cs_gpio = -EINVAL; + spi->cs_gpio = -ENOENT; device_initialize(&spi->dev); return spi; } @@ -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, @@ -1079,7 +1082,7 @@ static int of_spi_register_master(struct spi_master *master) return -ENOMEM; for (i = 0; i < master->num_chipselect; i++) - cs[i] = -EINVAL; + cs[i] = -ENOENT; for (i = 0; i < nb; i++) cs[i] = of_get_named_gpio(np, "cs-gpios", i); |
