linux-kernel - Re: [PATCH] spi-nor: use ERR

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Date:   Mon, 13 Feb 2017 08:53:11 +0100
From:   Boris Brezillon <boris.brezillon@...e-electrons.com>
To:     Nicholas Mc Guire <der.herr@...r.at>
Cc:     Cyrille Pitchen <cyrille.pitchen@...el.com>,
        Marek Vasut <marek.vasut@...il.com>,
        David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Richard Weinberger <richard@....at>,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Mika Westerberg <mika.westerberg@...ux.intel.com>
Subject: Re: [PATCH] spi-nor: use ERR_CAST in return

On Mon, 13 Feb 2017 07:35:52 +0000
Nicholas Mc Guire <der.herr@...r.at> wrote:

> On Sun, Feb 12, 2017 at 11:04:10PM +0100, Boris Brezillon wrote:
> > +Mika
> > 
> > On Sun, 12 Feb 2017 22:45:43 +0100
> > Boris Brezillon <boris.brezillon@...e-electrons.com> wrote:
> >   
> > > On Sun, 12 Feb 2017 17:43:43 +0100
> > > Nicholas Mc Guire <der.herr@...r.at> wrote:
> > >   
> > > > This fixes a sparse warning about     
> > > 
> > > Your commit message seems to be incomplete.  
> > 
> > And here too, please change the prefix to "mtd: spi-nor: intel: ".
> >  
> 
> What Im doing for checking prefix is:
> hofrat@...ian:~/git/linux-next$ git log --oneline drivers/mtd/spi-nor/intel-spi.c
> 8afda8b spi-nor: Add support for Intel SPI serial flash controller
> 
> is the method of checking the commit prefix with git log --oneline inapropriate ?

It's appropriate, except in this case. You're referring to the commit
introducing a new driver, so this is expected to not find the
'intel:' suffix, but you have 'Add support for Intel SPI serial flash
controller' to clarify the scope.

Regarding the "mtd: " prefix, I think it's better to have it, but
apparently Cyrille is not enforcing that.

> How would I have found the "mtd: spi-nor: intel:" in this case ?

Well, it's a mix of common sense and 'git log --oneline' use :-). Here
you're only modifying the intel driver, but nothing in your subject
mentions it.