From: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
To: Andrew Lunn <andrew@lunn.ch>, Bartosz Golaszewski <brgl@bgdev.pl>
Cc: Linus Walleij <linus.walleij@linaro.org>,
linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
Gregor Herburger <gregor.herburger@tq-group.com>,
linux@ew.tq-group.com
Subject: Re: [PATCH 3/8] gpio: tqmx86: change tqmx86_gpio_write() order of arguments to match regmap API
Date: Wed, 29 May 2024 14:23:46 +0200 [thread overview]
Message-ID: <ec96f8c72d4de7f7e6507f3bed38469cd609b8bb.camel@ew.tq-group.com> (raw)
In-Reply-To: <a83d2274-3b45-4206-891d-b1e5bbfd6e23@lunn.ch>
On Wed, 2024-05-29 at 14:11 +0200, Andrew Lunn wrote:
>
> On Wed, May 29, 2024 at 02:03:35PM +0200, Bartosz Golaszewski wrote:
> > On Wed, May 29, 2024 at 9:46 AM Matthias Schiffer
> > <matthias.schiffer@ew.tq-group.com> wrote:
> > >
> > > Conversion to actually use regmap does not seem useful for this driver,
> > > as regmap can't properly represent separate read-only and write-only
> > > registers at the same address, but we can at least match the API to make
> > > the code clearer.
> > >
> > > No functional change intended.
> > >
> > > Fixes: b868db94a6a7 ("gpio: tqmx86: Add GPIO from for this IO controller")
> >
> > This is not a fix.
>
> Agreed.
>
> I'm somewhat conflicted by this patch. It is a step towards using
> regmap, but then says regmap does not make sense. So why make that
> step?
>
> Changing the order of parameters like this seems like it is will make
> back porting bug fixes harder, unless all supported versions are
> changed, which is why fixes make sense. Does the compiler at least
> issue a warning if the parameters are used the wrong way around?
>
> Overall, i'm leaning towards just dropping it.
>
> Andrew
Okay, will drop this patch.
Matthias
next prev parent reply other threads:[~2024-05-29 12:23 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-29 7:45 [PATCH 0/8] gpio-tqmx86 fixes Matthias Schiffer
2024-05-29 7:45 ` [PATCH 1/8] gpio: tqmx86: fix typo in Kconfig label Matthias Schiffer
2024-05-29 11:58 ` Andrew Lunn
2024-05-29 7:45 ` [PATCH 2/8] gpio: tqmx86: introduce shadow register for GPIO output value Matthias Schiffer
2024-05-29 12:02 ` Andrew Lunn
2024-05-29 7:45 ` [PATCH 3/8] gpio: tqmx86: change tqmx86_gpio_write() order of arguments to match regmap API Matthias Schiffer
2024-05-29 12:03 ` Bartosz Golaszewski
2024-05-29 12:11 ` Andrew Lunn
2024-05-29 12:23 ` Matthias Schiffer [this message]
2024-05-29 7:45 ` [PATCH 4/8] gpio: tqmx86: introduce _tqmx86_gpio_update_bits() helper Matthias Schiffer
2024-05-29 12:19 ` Andrew Lunn
2024-05-29 12:25 ` Matthias Schiffer
2024-05-29 12:31 ` Andrew Lunn
2024-05-29 7:45 ` [PATCH 5/8] gpio: tqmx86: add macros for interrupt configuration Matthias Schiffer
2024-05-29 7:45 ` [PATCH 6/8] gpio: tqmx86: store IRQ triggers without offsetting index Matthias Schiffer
2024-05-29 7:45 ` [PATCH 7/8] gpio: tqmx86: store IRQ trigger type and unmask status separately Matthias Schiffer
2024-05-29 7:45 ` [PATCH 8/8] gpio: tqmx86: fix broken IRQ_TYPE_EDGE_BOTH interrupt type Matthias Schiffer
2024-05-29 12:37 ` Andrew Lunn
2024-05-29 12:44 ` Matthias Schiffer
2024-05-29 14:38 ` Dan Carpenter
2024-05-30 8:39 ` Matthias Schiffer
2024-05-30 10:22 ` Dan Carpenter
2024-05-30 11:15 ` Matthias Schiffer
2024-05-30 11:36 ` Matthias Schiffer
2024-05-30 12:13 ` Andrew Lunn
2024-05-29 12:08 ` [PATCH 0/8] gpio-tqmx86 fixes Bartosz Golaszewski
2024-05-29 12:54 ` Matthias Schiffer
2024-05-29 17:02 ` Bartosz Golaszewski
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