For controllers which do everything relevant during probe time
make the init hook optional.
Signed-off-by: Sascha Hauer <s.ha...@pengutronix.de>
---
drivers/usb/core/usb.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index 32b19135a5..06087d2df6 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -511,9 +511,11 @@ int usb_host_detect(struct usb_host *host)
int ret;
if (!host->root_dev) {
- ret = host->init(host);
- if (ret)
- return ret;
+ if (host->init) {
+ ret = host->init(host);
+ if (ret)
+ return ret;
+ }
host->root_dev = usb_alloc_new_device();
host->root_dev->dev.parent = host->hw_dev;
--
2.26.0.rc2
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