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From: Linus Walleij <linus.walleij@linaro.org>
To: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>,
	Alexander Shiyan <shc_work@mail.ru>,
	"linux-gpio@vger.kernel.org" <linux-gpio@vger.kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Alexandre Courbot <gnurou@gmail.com>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 1/4] gpio: syscon: add soc specific callback to assign output value
Date: Fri, 29 Aug 2014 08:19:13 +0200	[thread overview]
Message-ID: <CACRpkdaq2=f92yEEZgGHOtixDk35O9tmN2PZkSPKrGwGVDS_mQ@mail.gmail.com> (raw)
In-Reply-To: <1407946582-20927-2-git-send-email-grygorii.strashko@ti.com>

On Wed, Aug 13, 2014 at 6:16 PM, Grygorii Strashko
<grygorii.strashko@ti.com> wrote:

> Some SoCs (like Keystone) may require to perform special
> sequence of operations to assign output GPIO value, so default
> implementation of .set() callback from gpio-syscon driver
> can't be used.
>
> Hence, add optional, SoC specific callback to assign output
> gpio value.
>
> Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>

Hm :-/

I didn't realize this wasn't a quite so straight-forward a
syscon GPIO driver.

Now I start to think that it looks kludgy to bolt this onto
the other driver and think we may need to go back to the
other version which puts it as a separate driver. I guess
that is what you refer to as v1?

I have a hard time to make my mind up about these
syscon things, sorry :-(

Now I have to ask you: which way do you prefer to do it,
if you can choose freely? The initial driver or augmenting
the syscon driver (patch v1)?

Yours,
Linus Walleij

  reply	other threads:[~2014-08-29  6:19 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-13 16:16 [PATCH 0/4] gpio: syscon: reuse for keystone 2 socs Grygorii Strashko
2014-08-13 16:16 ` [PATCH 1/4] gpio: syscon: add soc specific callback to assign output value Grygorii Strashko
2014-08-29  6:19   ` Linus Walleij [this message]
2014-09-01 14:55     ` Grygorii Strashko
2014-08-13 16:16 ` [PATCH 2/4] gpio: syscon: retrive syscon node and regs offsets from dt Grygorii Strashko
2014-08-13 16:16 ` [PATCH 3/4] gpio: syscon: reuse for keystone 2 socs Grygorii Strashko
2014-08-29  5:53   ` Linus Walleij
2014-08-13 16:16 ` [PATCH 4/4] ARM: dts: keystone-k2hk: add dsp gpio controllers nodes Grygorii Strashko
2014-08-13 16:06   ` Alexander Shiyan
     [not found]   ` <1407946582-20927-5-git-send-email-grygorii.strashko-l0cyMroinI0@public.gmane.org>
2014-08-13 16:06     ` Alexander Shiyan
     [not found] ` <1407945984.545232249@f170.i.mail.ru>
2014-08-14 12:13   ` Grygorii Strashko
2014-08-14 12:12     ` Alexander Shiyan
2014-08-14 15:57       ` Grygorii Strashko
2014-08-14 15:26         ` Alexander Shiyan
2014-08-14 16:54           ` Grygorii Strashko
2014-08-21 16:23             ` [PATCH v2 0/3] gpio: syscon: reuse for keystone 2 socs Grygorii Strashko
2014-08-21 16:23               ` [PATCH v2 1/3] gpio: syscon: add soc specific callback to assign output value Grygorii Strashko
2014-08-21 16:23               ` [PATCH v2 2/3] gpio: syscon: reuse for keystone 2 socs Grygorii Strashko
2014-08-21 16:23               ` [PATCH v2 3/3] ARM: dts: keystone-k2hk: add dsp gpio controllers nodes Grygorii Strashko
     [not found]                 ` <1408638203-8246-4-git-send-email-grygorii.strashko-l0cyMroinI0@public.gmane.org>
2014-08-21 16:47                   ` Alexander Shiyan
2014-08-21 16:47                 ` Alexander Shiyan
     [not found]               ` <1408638203-8246-1-git-send-email-grygorii.strashko-l0cyMroinI0@public.gmane.org>
2014-08-21 16:51                 ` [PATCH v2 0/3] gpio: syscon: reuse for keystone 2 socs Alexander Shiyan
2014-08-21 16:51               ` Alexander Shiyan
     [not found]               ` <1408639874.873856101@f420.i.mail.ru>
2014-08-28 17:32                 ` Grygorii Strashko

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