Re: [PATCH 4/4] leds: lm3532: Introduce the lm3532 LED driver

[Joe Perches]

On Mon, 2019-03-11 at 12:47 -0500, Dan Murphy wrote:
> On 3/11/19 12:30 PM, Joe Perches wrote:
> > On Mon, 2019-03-11 at 12:24 -0500, Dan Murphy wrote:
> > > checkpatch takes issue with // in headers.
> > > Unless they have removed that requirement.
[]
> I guess I was referring to this SPDX warning
>  
> WARNING: Missing or malformed SPDX-License-Identifier tag in line 1
> #1: FILE: drivers/net/can/m_can/m_can.h:1:
> +//SPDX-License-Identifier: GPL-2.0

The general form uses a space after the //

And much more recently:

commit fdf13693d370653013eec3bc7f80a3f535001bf0
Author: Joe Perches <joe@xxxxxxxxxxx>
Date:   Thu Mar 7 16:28:32 2019 -0800

    checkpatch: verify SPDX comment style
    
    Using SPDX commenting style // or /* is specified for various file types
    in Documentation/process/license-rules.rst so add an appropriate test for
    .[chsS] files because many proposed file additions and patches do not use
    the correct style.