Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Message-ID: <09010c9aa795a8dcbd4408ceb2a39ddc57c85037.camel@perches.com>
Subject: Re: [REPORT] False positive errors found while using
 scripts/checkpatch.pl
From:   Joe Perches <joe@perches.com>
To:     B K Karthik <bkkarthik@pesu.pes.edu>,
        Andy Whitcroft <apw@canonical.com>,
        linux-kernel@vger.kernel.org
Date:   Sun, 28 Jun 2020 07:53:41 -0700
In-Reply-To: <20200628140046.imqmf5vy2vvbwkzo@pesu-pes-edu>
References: <20200628140046.imqmf5vy2vvbwkzo@pesu-pes-edu>
Content-Type: text/plain; charset="ISO-8859-1"
User-Agent: Evolution 3.36.2-0ubuntu1 
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Sun, 2020-06-28 at 10:00 -0400, B K Karthik wrote:
> The following are reported while using checkpatch.pl on 
> drivers/staging/fbtft/fbtft-bus.c
> 
> ERROR: space prohibited before that close parenthesis ')'
> #65: FILE: drivers/staging/fbtft/fbtft-bus.c:65:
> +define_fbtft_write_reg(fbtft_write_reg8_bus8, u8, u8, )
> 
> ERROR: space prohibited before that close parenthesis ')'
> #67: FILE: drivers/staging/fbtft/fbtft-bus.c:67:
> +define_fbtft_write_reg(fbtft_write_reg16_bus16, u16, u16, )
> 
> These are false positives as correcting these issues breaks the build.

Thanks, there's no capability to recognize this in checkpatch.
checkpatch is not a compiler.

Perhaps a reasonable solution is to add a comment around the
macro uses that show it's an unusual case.