Re: [PATCH v10] staging: fbtft: add tearing signal detect

[Joe Perches]

On Wed, 2021-01-27 at 17:49 +0300, Dan Carpenter wrote:
> On Wed, Jan 27, 2021 at 03:25:20PM +0100, Greg KH wrote:

> > Andy and Joe, there's something wrong here that is missing the fact that
> > a line is being indented with spaces and not tabs in the patch
> > at https://lore.kernel.org/r/1611754972-151016-1-git-send-email-zhangxuezhi3@xxxxxxxxx
> > 
> > Any ideas what broke?
> 
>     /*Tearing Effect Line On*/
> 
> Comments are the exception to the "no spaces at the start of a line"
> rule.  I was expecting that the kbuild-bot would send a Smatch warning
> for inconsistent indenting, but comments are not counted there either.
> 
> I'm sort of surprised that we don't have checkpatch rule about the
> missing space characters.  It should be: "/* Tearing Effect Line On */".

You could always write your own rule...

checkpatch doesn't care if a comment looks like

    /********************/
or
    /*foobarfoobarfoobar*/