diff options
Diffstat (limited to 'drivers/w1')
| -rw-r--r-- | drivers/w1/w1-uclass.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/w1/w1-uclass.c b/drivers/w1/w1-uclass.c index 52b519c21d2..de4f25bcf95 100644 --- a/drivers/w1/w1-uclass.c +++ b/drivers/w1/w1-uclass.c @@ -16,6 +16,7 @@ #include <common.h> #include <dm.h> +#include <errno.h> #include <log.h> #include <w1.h> #include <w1-eeprom.h> @@ -182,24 +183,25 @@ static int w1_enumerate(struct udevice *bus) int w1_get_bus(int busnum, struct udevice **busp) { int ret, i = 0; - struct udevice *dev; - for (ret = uclass_first_device(UCLASS_W1, &dev); - dev && !ret; - ret = uclass_next_device(&dev), i++) { + for (ret = uclass_first_device_check(UCLASS_W1, &dev); + dev; + ret = uclass_next_device_check(&dev), i++) { if (i == busnum) { + if (ret) { + debug("Cannot probe w1 bus %d: %d (%s)\n", + busnum, ret, errno_str(ret)); + return ret; + } *busp = dev; return 0; } } - if (!ret) { - debug("Cannot find w1 bus %d\n", busnum); - ret = -ENODEV; - } + debug("Cannot find w1 bus %d\n", busnum); - return ret; + return -ENODEV; } u8 w1_get_device_family(struct udevice *dev) |