commit 29e49537dfafcf6acc9c0841949944af0a4d46ef
author Bin Meng <bmeng.cn@gmail.com> Wed Sep 13 01:19:43 2017 -0700
committer Marek Vasut <marek.vasut+renesas@gmail.com> Wed Sep 27 12:12:23 2017 +0200
tree 63cc990a52fa66928d79a580bc87b3ee813e0301
parent 9f3f42393debf6e155befd178950cdb6b64dfddf

usb: kbd: Set a default polling mechanism for USB keyboard

The choice of "USB keyboard polling" cannot be optional as without
one mechanism being set, it just doesn't work. Set the default one
to CONFIG_SYS_USB_EVENT_POLL.

Fixes: ecad7051 ("configs: Migrate all of the existing USB symbols, except fastboot")
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>

drivers/usb/Kconfig

diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig
index 62126aa..e7658b4 100644
--- a/drivers/usb/Kconfig
+++ b/drivers/usb/Kconfig
@@ -75,7 +75,7 @@
 
 choice
 	prompt "USB keyboard polling"
-	optional
+	default SYS_USB_EVENT_POLL
 	---help---
 	  Enable a polling mechanism for USB keyboard.