The weird hack about "bad shielded USB devices" goes back to the initial
U-Boot git commmit. Let's be bold and remove it 18 years later.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
drivers/usb/core/hub.c | 12 ------------
1 file changed, 12 deletions(-)
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index cc0c4c04d5..0569d0f94b 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -327,18 +327,6 @@ static void usb_scan_port(struct usb_device_scan *usb_scan)
port + 1, portstatus);
usb_clear_port_feature(dev, port + 1,
USB_PORT_FEAT_C_ENABLE);
-
- /* EM interference sometimes causes bad shielded USB
- * devices to be shutdown by the hub, this hack enables
- * them again. Works at least with mouse driver */
- if (!(portstatus & USB_PORT_STAT_ENABLE) &&
- (portstatus & USB_PORT_STAT_CONNECTION) &&
- ((dev->children[port]))) {
- dev_dbg(&dev->dev, "port%d: already running, "
- "disabled by hub (EMI?), "
- "re-enabling...\n", port + 1);
- usb_hub_port_connect_change(dev, port);
- }
}
if (portstatus & USB_PORT_STAT_SUSPEND) {
--
2.26.0.rc2
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