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greybus: ratelimit errors usually seen on unipro_reset

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It is believed that excessive serial messages from greybus
on suspend/resume is leading to watchdog bite.
There is still discussion going on whether ratelimiting
prints would really fix anything, except it may reduce
traffic on serial console and probably bring out real issues
in the front.
So in order to meet the alpha requirement, we all decided to
get ratelimit change "as a TEMP fix" and decide later whether
we should revert back once we get proper suspend/resume implementation.

Please follow the discussion on Jira card SW-6261.

Testing Done: Build tested against ara/main branch.

Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath@linaro.org>
Reviewed-by: Konstantin Buhchev <buhchev_konstantin@projectara.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Vaibhav Hiremath 2016-06-21 23:28:02 +05:30 committed by Greg Kroah-Hartman
parent e3b090ea95
commit 2d533cf16b
2 changed files with 2 additions and 2 deletions
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2
drivers/staging/greybus/es2.c
View file

@ -473,7 +473,7 @@ static int message_send(struct gb_host_device *hd, u16 cport_id,
retval = usb_submit_urb(urb, gfp_mask);
if (retval) {
dev_err(&udev->dev, "failed to submit out-urb: %d\n", retval);
dev_err_ratelimited(&udev->dev, "failed to submit out-urb: %d\n", retval);
spin_lock_irqsave(&es2->cport_out_urb_lock, flags);
message->hcpriv = NULL;

2
drivers/staging/greybus/operation.c
View file

@ -1127,7 +1127,7 @@ int gb_operation_sync_timeout(struct gb_connection *connection, int type,
ret = gb_operation_request_send_sync_timeout(operation, timeout);
if (ret) {
dev_err(&connection->hd->dev,
dev_err_ratelimited(&connection->hd->dev,
"%s: synchronous operation of type 0x%02x failed: %d\n",
connection->name, type, ret);
} else {