From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Chris Packham <Chris.Packham@alliedtelesis.co.nz>
Cc: "geert@linux-m68k.org" <geert@linux-m68k.org>,
"robh+dt@kernel.org" <robh+dt@kernel.org>,
"krzysztof.kozlowski+dt@linaro.org"
<krzysztof.kozlowski+dt@linaro.org>,
"conor+dt@kernel.org" <conor+dt@kernel.org>,
"andrew@lunn.ch" <andrew@lunn.ch>,
"gregory.clement@bootlin.com" <gregory.clement@bootlin.com>,
"sebastian.hesselbarth@gmail.com"
<sebastian.hesselbarth@gmail.com>,
"ojeda@kernel.org" <ojeda@kernel.org>,
"tzimmermann@suse.de" <tzimmermann@suse.de>,
"javierm@redhat.com" <javierm@redhat.com>,
"robin@protonic.nl" <robin@protonic.nl>,
"lee@kernel.org" <lee@kernel.org>, "pavel@ucw.cz" <pavel@ucw.cz>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-leds@vger.kernel.org" <linux-leds@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v2 0/4] auxdisplay: 7 segment LED display
Date: Wed, 28 Feb 2024 20:45:21 +0200 [thread overview]
Message-ID: <Zd9_Qc0fVD6OjbKi@smile.fi.intel.com> (raw)
In-Reply-To: <2ad735ed-963c-4e75-b83e-687ea2c0aef5@alliedtelesis.co.nz>
On Wed, Feb 28, 2024 at 12:25:30AM +0000, Chris Packham wrote:
>
> On 28/02/24 13:05, Andy Shevchenko wrote:
> > On Tue, Feb 27, 2024 at 11:22 PM Chris Packham
> > <chris.packham@alliedtelesis.co.nz> wrote:
> >> This series adds a driver for a 7 segment LED display.
> >>
> >> At this point I've decided not to pursue supporting >1 character. I had
> >> a look at what would be required to add a devm_fwnode_gpiod_get_array()
> >> and got bogged down in OF and ACPI code for counting GPIOs.
> > Out of curiosity, why did it happen? gpiod_count() works in an agnostic way.
> >
> At first I though I could create a fwnode_gpiod_count() out of the body
> of gpiod_count(). But both of_gpio_get_count() and acpi_gpio_count()
> take the dev not the fwnode. It looks like gpiod_count() (and
> of_gpio_spi_cs_get_count()) could probably be re-written (or abstracted)
> to take the device_node instead of the device. I started looking at
> acpi_gpio_count() but I couldn't quite see how I could adapt this.
>
> I'm definitely not saying it can't be done. Just that you probably don't
> want an occasional contributor like me messing with some of these core
> device abstractions.
I just sent a series. With it you may split gpiod_count() to
fwnode_gpio_count() and gpiod_count() that uses the former.
I believe you may do that easily as it won't require any special
knowledge.
--
With Best Regards,
Andy Shevchenko
WARNING: multiple messages have this Message-ID (diff)
From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Chris Packham <Chris.Packham@alliedtelesis.co.nz>
Cc: "geert@linux-m68k.org" <geert@linux-m68k.org>,
"robh+dt@kernel.org" <robh+dt@kernel.org>,
"krzysztof.kozlowski+dt@linaro.org"
<krzysztof.kozlowski+dt@linaro.org>,
"conor+dt@kernel.org" <conor+dt@kernel.org>,
"andrew@lunn.ch" <andrew@lunn.ch>,
"gregory.clement@bootlin.com" <gregory.clement@bootlin.com>,
"sebastian.hesselbarth@gmail.com"
<sebastian.hesselbarth@gmail.com>,
"ojeda@kernel.org" <ojeda@kernel.org>,
"tzimmermann@suse.de" <tzimmermann@suse.de>,
"javierm@redhat.com" <javierm@redhat.com>,
"robin@protonic.nl" <robin@protonic.nl>,
"lee@kernel.org" <lee@kernel.org>, "pavel@ucw.cz" <pavel@ucw.cz>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-leds@vger.kernel.org" <linux-leds@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v2 0/4] auxdisplay: 7 segment LED display
Date: Wed, 28 Feb 2024 20:45:21 +0200 [thread overview]
Message-ID: <Zd9_Qc0fVD6OjbKi@smile.fi.intel.com> (raw)
In-Reply-To: <2ad735ed-963c-4e75-b83e-687ea2c0aef5@alliedtelesis.co.nz>
On Wed, Feb 28, 2024 at 12:25:30AM +0000, Chris Packham wrote:
>
> On 28/02/24 13:05, Andy Shevchenko wrote:
> > On Tue, Feb 27, 2024 at 11:22 PM Chris Packham
> > <chris.packham@alliedtelesis.co.nz> wrote:
> >> This series adds a driver for a 7 segment LED display.
> >>
> >> At this point I've decided not to pursue supporting >1 character. I had
> >> a look at what would be required to add a devm_fwnode_gpiod_get_array()
> >> and got bogged down in OF and ACPI code for counting GPIOs.
> > Out of curiosity, why did it happen? gpiod_count() works in an agnostic way.
> >
> At first I though I could create a fwnode_gpiod_count() out of the body
> of gpiod_count(). But both of_gpio_get_count() and acpi_gpio_count()
> take the dev not the fwnode. It looks like gpiod_count() (and
> of_gpio_spi_cs_get_count()) could probably be re-written (or abstracted)
> to take the device_node instead of the device. I started looking at
> acpi_gpio_count() but I couldn't quite see how I could adapt this.
>
> I'm definitely not saying it can't be done. Just that you probably don't
> want an occasional contributor like me messing with some of these core
> device abstractions.
I just sent a series. With it you may split gpiod_count() to
fwnode_gpio_count() and gpiod_count() that uses the former.
I believe you may do that easily as it won't require any special
knowledge.
--
With Best Regards,
Andy Shevchenko
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2024-02-28 18:45 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-27 21:22 [PATCH v2 0/4] auxdisplay: 7 segment LED display Chris Packham
2024-02-27 21:22 ` Chris Packham
2024-02-27 21:22 ` [PATCH v2 1/4] auxdisplay: Add 7 segment LED display driver Chris Packham
2024-02-27 21:22 ` Chris Packham
2024-02-27 22:13 ` Randy Dunlap
2024-02-27 22:13 ` Randy Dunlap
2024-02-27 23:56 ` Andy Shevchenko
2024-02-27 23:56 ` Andy Shevchenko
2024-02-27 21:22 ` [PATCH v2 2/4] dt-bindings: auxdisplay: Add bindings for generic 7 segment LED Chris Packham
2024-02-27 21:22 ` Chris Packham
2024-02-27 22:19 ` Rob Herring
2024-02-27 22:19 ` Rob Herring
2024-02-28 0:03 ` Andy Shevchenko
2024-02-28 0:03 ` Andy Shevchenko
2024-02-28 1:53 ` Chris Packham
2024-02-28 1:53 ` Chris Packham
2024-02-28 17:22 ` Andy Shevchenko
2024-02-28 17:22 ` Andy Shevchenko
2024-02-28 14:04 ` Rob Herring
2024-02-28 14:04 ` Rob Herring
2024-02-28 14:57 ` Andy Shevchenko
2024-02-28 14:57 ` Andy Shevchenko
2024-02-29 9:23 ` Geert Uytterhoeven
2024-02-29 9:23 ` Geert Uytterhoeven
2024-02-29 10:42 ` Andy Shevchenko
2024-02-29 10:42 ` Andy Shevchenko
2024-02-28 20:01 ` Chris Packham
2024-02-28 20:01 ` Chris Packham
2024-02-29 9:24 ` Geert Uytterhoeven
2024-02-29 9:24 ` Geert Uytterhoeven
2024-02-29 10:44 ` andy
2024-02-29 10:44 ` andy
2024-02-27 21:22 ` [PATCH v2 3/4] ARM: dts: marvell: Add 7 segment LED display on x530 Chris Packham
2024-02-27 21:22 ` Chris Packham
2024-02-28 0:12 ` Andy Shevchenko
2024-02-28 0:12 ` Andy Shevchenko
2024-02-27 21:22 ` [PATCH v2 4/4] ARM: dts: marvell: Indicate USB activity " Chris Packham
2024-02-27 21:22 ` Chris Packham
2024-02-28 0:09 ` Andy Shevchenko
2024-02-28 0:09 ` Andy Shevchenko
2024-02-28 1:11 ` Chris Packham
2024-02-28 1:11 ` Chris Packham
2024-02-28 0:05 ` [PATCH v2 0/4] auxdisplay: 7 segment LED display Andy Shevchenko
2024-02-28 0:05 ` Andy Shevchenko
2024-02-28 0:25 ` Chris Packham
2024-02-28 0:25 ` Chris Packham
2024-02-28 18:45 ` Andy Shevchenko [this message]
2024-02-28 18:45 ` Andy Shevchenko
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