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USB: ratelimit debounce error messages

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flaky hardware can cause a lot of debounce failed messages. To limit
the performance impact, a ratelimit should be used.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Oliver Neukum 2007-02-27 10:25:00 +01:00 committed by Greg Kroah-Hartman
parent d2487cb425
commit 7bc4b81ded
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/core/hub.c
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@ -2443,7 +2443,7 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1,
if (portchange & USB_PORT_STAT_C_CONNECTION) {
status = hub_port_debounce(hub, port1);
if (status < 0) {
if (status < 0 && printk_ratelimit()) {
dev_err (hub_dev,
"connect-debounce failed, port %d disabled\n",
port1);