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Message-ID: <20200917101538.GO4282@kadam>
Date:   Thu, 17 Sep 2020 13:15:38 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Dan Scally <djrscally@...il.com>
Cc:     Greg KH <gregkh@...uxfoundation.org>, devel@...verdev.osuosl.org,
        robh@...nel.org, jorhand@...ux.microsoft.com,
        linux-media@...r.kernel.org, kieran.bingham@...asonboard.com,
        linux-kernel@...r.kernel.org, kitakar@...il.com,
        sakari.ailus@...ux.intel.com, bingbu.cao@...el.com,
        mchehab@...nel.org, davem@...emloft.net, tian.shu.qiu@...el.com,
        yong.zhi@...el.com
Subject: Re: [RFC PATCH] Add bridge driver to connect sensors to CIO2 device
 via software nodes on ACPI platforms

On Thu, Sep 17, 2020 at 10:47:50AM +0100, Dan Scally wrote:
> Hi Greg - thanks for the comments, appreciate it (sorry there's so many,
> I'm new to both C and kernel work)

It's pretty impressive work if you're new to C...

> >
> >> +			return;
> > No error value?
> The prototype for sync_state callbacks is to return void, so my
> understanding is it can't return an error value.  I guess a better thing
> to do might be call another function performing cleanup and unloading
> the driver before the return or something along those lines though.

Yeah.  I suspect you should be using a different callback instead of
->sync_state() but I don't know what... :/

regards,
dan carpenter

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