diff options
-rw-r--r-- | drivers/base/driver.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/base/driver.c b/drivers/base/driver.c index 24cb5bc62b..338bea1280 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -113,14 +113,29 @@ int device_detect(struct device_d *dev) return dev->detect(dev); } -int device_detect_by_name(const char *devname) +int device_detect_by_name(const char *__devname) { - struct device_d *dev = get_device_by_name(devname); + char *devname = xstrdup(__devname); + char *str = devname; + struct device_d *dev; + int ret = -ENODEV; + + while (1) { + strsep(&str, "."); + + dev = get_device_by_name(devname); + if (dev) + ret = device_detect(dev); - if (!dev) - return -ENODEV; + if (!str) + break; + else + *(str - 1) = '.'; + } - return device_detect(dev); + free(devname); + + return ret; } static int match(struct driver_d *drv, struct device_d *dev) |