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| author | Bin Meng <bmeng.cn@gmail.com> | 2019-09-09 06:00:01 -0700 |
|---|---|---|
| committer | Jagan Teki <jagan@amarulasolutions.com> | 2019-10-25 00:48:31 +0530 |
| commit | 4b060003957db07fa0e35beafe6559f9cc91954c (patch) | |
| tree | ba4a762a7dbe6ed0c16a2a93e6b8a46c2f74876e /drivers/spi/tegra20_sflash.c | |
| parent | 4dd520b36bce9b35f7a12f3ffd9a95269d425170 (diff) | |
| download | u-boot-4b060003957db07fa0e35beafe6559f9cc91954c.zip u-boot-4b060003957db07fa0e35beafe6559f9cc91954c.tar.gz u-boot-4b060003957db07fa0e35beafe6559f9cc91954c.tar.bz2 | |
dm: spi: Change cs_info op to return -EINVAL for invalid cs num
We need distinguish the following two situations in various SPI APIs:
- given chip select num is invalid
- given chip select num is valid, but no device is attached
Currently -ENODEV is returned for both cases.
For the first case, it's more reasonable to return -EINVAL instead of
-ENODEV for invalid chip select numbers.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Jagan Teki <jagan@amarulasolutions.com> # SoPine
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Diffstat (limited to 'drivers/spi/tegra20_sflash.c')
| -rw-r--r-- | drivers/spi/tegra20_sflash.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/spi/tegra20_sflash.c b/drivers/spi/tegra20_sflash.c index a54b10f..567e33f 100644 --- a/drivers/spi/tegra20_sflash.c +++ b/drivers/spi/tegra20_sflash.c @@ -78,7 +78,7 @@ int tegra20_sflash_cs_info(struct udevice *bus, unsigned int cs, { /* Tegra20 SPI-Flash - only 1 device ('bus/cs') */ if (cs != 0) - return -ENODEV; + return -EINVAL; else return 0; } |