linux-kernel - RE: [PATCH][next] usb: cdnsp: Fix spelling mistake "delagete" -> "delegate"

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Date:   Thu, 4 Feb 2021 05:07:16 +0000
From:   Pawel Laszczak <pawell@...ence.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>,
        Colin King <colin.king@...onical.com>
CC:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH][next] usb: cdnsp: Fix spelling mistake "delagete" ->
 "delegate"

Hi Dan,

>> From: Colin Ian King <colin.king@...onical.com>
>>
>> There is a spelling mistake in a literal string. Fix it.
>>
>> Signed-off-by: Colin Ian King <colin.king@...onical.com>
>> ---
>>  drivers/usb/cdns3/cdnsp-ep0.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/usb/cdns3/cdnsp-ep0.c b/drivers/usb/cdns3/cdnsp-ep0.c
>> index e2b1bcb3f80e..e30931ebc870 100644
>> --- a/drivers/usb/cdns3/cdnsp-ep0.c
>> +++ b/drivers/usb/cdns3/cdnsp-ep0.c
>> @@ -45,7 +45,7 @@ static int cdnsp_ep0_delegate_req(struct cdnsp_device *pdev,
>>  {
>>  	int ret;
>>
>> -	trace_cdnsp_ep0_request("delagete");
>> +	trace_cdnsp_ep0_request("delegate");
>>
>
>This printk is useless and should just be deleted.  Use ftrace instead.

Maybe this printk is redundant but it's more comfortable in use.
To debug I can simply enable cdns-dev events (echo cdnsp-dev:* > set_event)
and I will get the full  picture of what the driver is doing.

Otherwise, I must remember which function I need to add to set_ftrace_filter.
Of course, by default I can simply add all cdnsp* functions (echo cdnsp* > set_ftrace_filter) but it
increases the trace log and makes it a little more difficult to analyze.

So maybe in some cases we shouldn't complain for such printk ?

It's my private opinion and not necessarily correct :)

Thanks,
Pawel Laszczak

>
>regards,
>dan carpenter