linux-kernel - Re: [PATCH v1 2/2] irqchip/tegra: Clean up coding style

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Message-ID: <867e7hnin7.wl-maz@kernel.org>
Date:   Tue, 13 Aug 2019 17:18:36 +0100
From:   Marc Zyngier <maz@...nel.org>
To:     Dmitry Osipenko <digetx@...il.com>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Peter De Schrijver <pdeschrijver@...dia.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 2/2] irqchip/tegra: Clean up coding style

On Tue, 13 Aug 2019 16:40:27 +0100,
Dmitry Osipenko <digetx@...il.com> wrote:
> 
> 13.08.2019 17:50, Marc Zyngier пишет:
> > On Sun, 11 Aug 2019 19:30:44 +0100,
> > Dmitry Osipenko <digetx@...il.com> wrote:
> >>
> >> Make coding style to conform to the kernel's standard by fixing checkpatch
> >> warnings about "line over 80 characters".
> > 
> > The last time I used a VT100 was about 30 years ago. I still think
> > this was one of the most brilliant piece of equipment DEC ever
> > produced, but I replaced it at the time with a Wyse 50 that had a 132
> > column mode. But even then, I could make my XTerm as wide as I wanted,
> > and things haven't regressed much since.
> > 
> > More seriously, I don't consider the 80 column limit a hard one, and
> > I'm pretty happy with code that spans more that 80 columns if that
> > allows to read an expression without messing with the flow.
> 
> Usually I have multiple source files opened side-by-side and the
> view sizes are tuned for 80 chars, it messes at least my flow when
> something goes over 80 chars.
>
> >>
> >> Signed-off-by: Dmitry Osipenko <digetx@...il.com>
> >> ---
> >>  drivers/irqchip/irq-tegra.c | 15 +++++----------
> >>  1 file changed, 5 insertions(+), 10 deletions(-)
> >>
> >> diff --git a/drivers/irqchip/irq-tegra.c b/drivers/irqchip/irq-tegra.c
> >> index 14dcacc2ad38..f829a5990dae 100644
> >> --- a/drivers/irqchip/irq-tegra.c
> >> +++ b/drivers/irqchip/irq-tegra.c
> >> @@ -74,7 +74,7 @@ static struct tegra_ictlr_info *lic;
> >>  
> >>  static inline void tegra_ictlr_write_mask(struct irq_data *d, unsigned long reg)
> >>  {
> >> -	void __iomem *base = (void __iomem __force *)d->chip_data;
> >> +	void __iomem *base = lic->base[d->hwirq / 32];
> > 
> > (1) This is an undocumented change
> 
> In my opinion this is a very trivial change and then the end result
> is absolutely the same, hence nothing to document here. Just read
> the code, I'd say.

And that is the very reason why I won't take any of your patches any
time soon.

	M.

-- 
Jazz is not dead, it just smells funny.