diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-27 10:57:53 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-27 10:57:53 +0900 |
| commit | 8095e4e81b4bc38eef7e0be99f9ecc744eaa1683 (patch) | |
| tree | d3b5100db11784093e78513f3429022569b4bf7b /drivers/spi/spi.c | |
| parent | 6b5f146535fe6969aeded9f00b0bc42b3783f7fd (diff) | |
| parent | e4aa937ec75df0eea0bee03bffa3303ad36c986b (diff) | |
| download | talos-op-linux-8095e4e81b4bc38eef7e0be99f9ecc744eaa1683.tar.gz talos-op-linux-8095e4e81b4bc38eef7e0be99f9ecc744eaa1683.zip | |
Merge 3.10-rc3 into tty-next
We want these fixes.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 163fd802b7ac..32b7bb111eb6 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); |
