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authorSascha Hauer <s.hauer@pengutronix.de>2020-02-27 10:02:39 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2020-03-20 10:07:16 +0100
commit19bb0b2a8cd76e7fa51ad8020bd504945dbaa505 (patch)
tree3802e68be02a647e15f8f4f34e654c386ea10fc3
parent4f6199ac5322427777c54752bb9a073ebee9fd49 (diff)
downloadbarebox-19bb0b2a8cd76e7fa51ad8020bd504945dbaa505.tar.gz
barebox-19bb0b2a8cd76e7fa51ad8020bd504945dbaa505.tar.xz
usb: hub: Do not power-cycle usb devices on init
This is an adoption of U-Boot commit 0834bb2fb0 ("usb: Do not power-cycle usb devices on init") Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
-rw-r--r--drivers/usb/core/hub.c11
1 files changed, 0 insertions, 11 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 59354895df..6d664e80bb 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -87,17 +87,6 @@ static void usb_hub_power_on(struct usb_hub_device *hub)
dev = hub->pusb_dev;
- /*
- * Enable power to the ports:
- * Here we Power-cycle the ports: aka,
- * turning them off and turning on again.
- */
- for (i = 0; i < dev->maxchild; i++) {
- usb_clear_port_feature(dev, i + 1, USB_PORT_FEAT_POWER);
- dev_dbg(&dev->dev, "port%d: usb_clear_port_feature returns 0x%08lx\n",
- i + 1, dev->status);
- }
-
/* Enable power to the ports */
dev_dbg(&dev->dev, "enabling power on all ports\n");