linux-kernel - Re: [PATCH 23/27] tty: serdev: convert to u8 and size

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Date:   Thu, 7 Dec 2023 09:19:29 +0100
From:   Johan Hovold <johan@...nel.org>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     "Jiri Slaby (SUSE)" <jirislaby@...nel.org>,
        linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        Rob Herring <robh@...nel.org>
Subject: Re: [PATCH 23/27] tty: serdev: convert to u8 and size_t

On Thu, Dec 07, 2023 at 10:47:18AM +0900, Greg Kroah-Hartman wrote:
> On Wed, Dec 06, 2023 at 09:09:46AM +0100, Johan Hovold wrote:
> > On Wed, Dec 06, 2023 at 08:37:08AM +0100, Jiri Slaby wrote:

> > > diff --git a/drivers/gnss/serial.c b/drivers/gnss/serial.c
> > > index 5d8e9bfb24d0..baa956494e79 100644
> > > --- a/drivers/gnss/serial.c
> > > +++ b/drivers/gnss/serial.c
> > > @@ -80,8 +80,8 @@ static const struct gnss_operations gnss_serial_gnss_ops = {
> > >  	.write_raw	= gnss_serial_write_raw,
> > >  };
> > >  
> > > -static int gnss_serial_receive_buf(struct serdev_device *serdev,
> > > -					const unsigned char *buf, size_t count)
> > > +static ssize_t gnss_serial_receive_buf(struct serdev_device *serdev,
> > > +				       const u8 *buf, size_t count)

> > The gnss subsystem consistently use tabs-only for indentation of
> > continuation lines so please don't change the indentation for these
> > files.
> 
> That's going to drive checkpatch.pl crazy, please don't inist on it as
> that is not going to work well over time as we would all have to
> remember that just for this one subsystem :(

Open-parenthesis alignment is not part of the coding standard and is
hidden behind the checkpatch.pl --strict option along with other (often
excessive) checks that are not generally agreed upon.

Only staging and networking enable that option by default and I think
checkpatch.pl handles that transparently.

So this should not be an issue unless you're trying to enforce the
contentious checks tree wide (i.e. just drop the --strict option).

That said, as this only affects one function (the other one happened to
align while still only using tabs) I can fix that up later unless Jiri
is resending for some other reason.

Johan