compulab: splash: use errno values

Use errno values to improve return reporting.

Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
This commit is contained in:
Nikita Kiryanov 2015-01-14 10:42:49 +02:00 committed by Stefano Babic
parent 1c2e529243
commit 6947e3f56f

View file

@ -8,6 +8,7 @@
#include <common.h>
#include <nand.h>
#include <errno.h>
#include <bmp_layout.h>
DECLARE_GLOBAL_DATA_PTR;
@ -44,12 +45,12 @@ splash_address_too_high:
printf("Error: splashimage address too high. Data overwrites U-Boot "
"and/or placed beyond DRAM boundaries.\n");
return -1;
return -EFAULT;
}
#else
static inline int splash_load_from_nand(u32 bmp_load_addr, int nand_offset)
{
return -1;
return -ENOSYS;
}
#endif /* CONFIG_CMD_NAND */
@ -60,12 +61,12 @@ int cl_splash_screen_prepare(int nand_offset)
env_splashimage_value = getenv("splashimage");
if (env_splashimage_value == NULL)
return -1;
return -ENOENT;
bmp_load_addr = simple_strtoul(env_splashimage_value, 0, 16);
if (bmp_load_addr == 0) {
printf("Error: bad splashimage address specified\n");
return -1;
return -EFAULT;
}
return splash_load_from_nand(bmp_load_addr, nand_offset);