linux-kernel - Re: [PATCH] block: Device driver for sTec's PCIe Kronos Card.

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Date:	Tue, 17 Sep 2013 14:20:55 -0600
From:	Jens Axboe <axboe@...nel.dk>
To:	Olof Johansson <olof@...om.net>
CC:	Jeff Moyer <jmoyer@...hat.com>,
	OS Engineering <osengineering@...c-inc.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Akhil Bhansali <abhansali@...c-inc.com>,
	Ramprasad Chinthekindi <rchinthekindi@...c-inc.com>,
	Amit Phansalkar <aphansalkar@...c-inc.com>
Subject: Re: [PATCH] block: Device driver for sTec's PCIe Kronos Card.

On 09/17/2013 01:04 PM, Olof Johansson wrote:
> On Thu, Sep 5, 2013 at 7:12 AM, Jens Axboe <axboe@...nel.dk> wrote:
>> On 09/05/2013 06:00 AM, Jeff Moyer wrote:
>>> OS Engineering <osengineering@...c-inc.com> writes:
>>>
>>>> Hi Jeff,
>>>>
>>>> Thank you for reviewing the patch.
>>>
>>> No problem.  Jens, any objection to queueing this up for 3.12?
>>
>> I'll give it a look-over, but usually I'm pretty lax when it comes to
>> new drivers. So no, I'd be surprised if we can't queue this up for 3.12.
> 
> I came across this driver because it was spewing a lot of really
> trivial and easy to fix compiler warnings. Silly stuff such as
> printing u32 with %lu.
> 
> From a quick look at the code, several things are immediately apparent:
> 
> First, checkpatch says, on the currently existing file in -next:
> 
> total: 3 errors, 61 warnings, 5817 lines checked
> 
> Code like this looks _really_ confused:
> 
>                 barrier();
>                 val = readl(skdev->mem_map[1] + offset);
>                 barrier();
> 
> There are also some crazy long functions that should be refactored,
> such as skd_request_fn().
> 
> So, it looks like this driver needs a bunch of work before it's ready
> to go in. Or, maybe it's better to submit it with a TODO list for the
> staging tree instead?

Not disagreeing with you, it definitely needs a bit of cleaning. And so
far stec has not been very responsive in fixing those issues.

-- 
Jens Axboe

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