From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>, Greg KH <greg@kroah.com>
Cc: linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org,
linux-input@vger.kernel.org, linux-leds@vger.kernel.org,
linux-spi@vger.kernel.org, linux-fbdev@vger.kernel.org,
alsa-devel@alsa-project.org,
Andrea Adami <andrea.adami@gmail.com>,
Daniel Mack <daniel@zonque.org>,
Haojian Zhuang <haojian.zhuang@gmail.com>,
Robert Jarzmik <robert.jarzmik@free.fr>,
Linus Walleij <linus.walleij@linaro.org>,
Alexandre Courbot <gnurou@gmail.com>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Bryan Wu <cooloney@gmail.com>, Richard Purdie <rpurdie@rpsys.net>,
Samuel Ortiz <sameo@linux.intel.com>,
Lee Jones <lee.jones@linaro.org>, Mark Brown <broonie@kernel.org>,
Jingoo Han <jg1.han@samsung.com>,
Liam Girdwood <lgirdwood@gmail.com>
Subject: Re: [PATCH 00/15] new locomo driver
Date: Tue, 28 Oct 2014 00:13:39 +0000 [thread overview]
Message-ID: <20141028001338.GZ27405@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1414454528-24240-1-git-send-email-dbaryshkov@gmail.com>
On Tue, Oct 28, 2014 at 03:01:53AM +0300, Dmitry Eremin-Solenikov wrote:
> Sharp Zaurus SL-5500 and SL-5600 use special companion Gate Array. Current
> drivers present in Linux kernel has some problems:
>
> * It uses custom bus instead of platform bus/mfd core.
I believe Greg wouldn't see that as a positive point.
Don't think that the platform bus _should_ always be used. It shouldn't
(Greg has said he'd like to see the platform bus to be totally killed off.)
Instead, custom buses properly suited to the class of device in question
is much preferred, especially if it aids in...
> * Device drivers are not well layered/separated.
... better layering or separation of drivers.
So, thinking that converting from a custom bus to a platform bus
definitely is /not/ a positive step forward.
(Why mfd was ever allowed to re-use the platform bus stuff is a separate
question not relevent to these patches.)
--
FTTC broadband for 0.8mile line: currently at 9.5Mbps down 400kbps up
according to speedtest.net.
next prev parent reply other threads:[~2014-10-28 0:13 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-28 0:01 [PATCH 00/15] new locomo driver Dmitry Eremin-Solenikov
2014-10-28 0:01 ` [PATCH 01/15] mfd: add new driver for Sharp LoCoMo Dmitry Eremin-Solenikov
[not found] ` <1414454528-24240-2-git-send-email-dbaryshkov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-10-31 7:42 ` Linus Walleij
2014-10-31 9:54 ` Dmitry Eremin-Solenikov
[not found] ` <CALT56yNX8v4mZn=o1ZoVLHPmg6wq0dgFNowpqNuFtU=eCc+d8w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-11-03 13:41 ` Linus Walleij
2014-11-05 20:02 ` Dmitry Eremin-Solenikov
2014-11-05 20:24 ` Mark Brown
2014-11-14 12:47 ` Dmitry Eremin-Solenikov
2014-11-14 15:10 ` Mark Brown
2014-11-14 15:30 ` Dmitry Eremin-Solenikov
2014-11-05 20:32 ` Lars-Peter Clausen
2014-11-05 20:42 ` Lars-Peter Clausen
2014-10-28 0:01 ` [PATCH 02/15] GPIO: port LoCoMo gpio support from old driver Dmitry Eremin-Solenikov
2014-10-31 7:48 ` Linus Walleij
[not found] ` <CACRpkdY7tRadod2vQfEytmw-ubaMAvr_=XTczD5bUMkqie0xkg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-10-31 9:39 ` Dmitry Eremin-Solenikov
[not found] ` <CALT56yOgMUA7o2dzfHph=S2zkDV4zERzMh4ishpPwpAx7Cqj6Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-11-03 13:43 ` Linus Walleij
[not found] ` <CACRpkdb7v3LmOhbhQ9TPk1_bnLnpwizawW6RQvhQRLSjRewAaQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-11-05 21:33 ` Dmitry Eremin-Solenikov
2014-11-06 6:03 ` Mark Brown
2014-11-11 13:16 ` Dmitry Eremin-Solenikov
[not found] ` <CALT56yPr42FV66USngocw=eWPt81d5R2MJxmzBnv02HOMmXAkA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-11-11 13:23 ` Mark Brown
2014-11-14 10:11 ` Linus Walleij
2014-11-14 12:48 ` Dmitry Eremin-Solenikov
2014-10-28 0:01 ` [PATCH 03/15] leds: port locomo leds driver to new locomo core Dmitry Eremin-Solenikov
[not found] ` <1414454528-24240-1-git-send-email-dbaryshkov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-10-28 0:01 ` [PATCH 04/15] input: convert LoCoMo keyboard driver to use " Dmitry Eremin-Solenikov
2014-10-28 0:09 ` Dmitry Torokhov
2014-10-28 0:02 ` [PATCH 08/15] ARM: sa1100: make collie use new locomo drivers Dmitry Eremin-Solenikov
2014-10-28 0:02 ` [PATCH 12/15] ARM: pxa: poodle: don't preallocate IRQ space for locomo Dmitry Eremin-Solenikov
2014-10-28 19:13 ` Robert Jarzmik
2014-10-28 0:02 ` [PATCH 13/15] ARM: drop old LoCoMo driver Dmitry Eremin-Solenikov
2014-10-28 0:02 ` [PATCH 14/15] gpio: locomo: implement per-pin irq handling Dmitry Eremin-Solenikov
2014-10-31 8:00 ` Linus Walleij
2014-10-31 9:35 ` Dmitry Eremin-Solenikov
2014-10-28 0:02 ` [PATCH 15/15] spi: add locomo SPI driver Dmitry Eremin-Solenikov
[not found] ` <1414454528-24240-16-git-send-email-dbaryshkov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-10-28 11:03 ` Mark Brown
2014-10-28 0:01 ` [PATCH 05/15] video: backlight: add new locomo backlight driver Dmitry Eremin-Solenikov
2014-10-28 0:24 ` Jingoo Han
2014-10-28 0:01 ` [PATCH 06/15] video: lcd: add LoCoMo LCD driver Dmitry Eremin-Solenikov
2014-10-28 0:30 ` Jingoo Han
2014-10-28 16:47 ` Dmitry Eremin-Solenikov
2014-10-28 0:02 ` [PATCH 07/15] video: backlight: drop old locomo bl/lcd driver Dmitry Eremin-Solenikov
2014-10-28 0:02 ` [PATCH 09/15] ARM: sa1100: don't preallocate IRQ space for locomo Dmitry Eremin-Solenikov
2014-10-31 7:50 ` Linus Walleij
2014-10-31 9:33 ` Dmitry Eremin-Solenikov
2014-10-28 0:02 ` [PATCH 10/15] ARM: pxa: poodle: use new LoCoMo driver Dmitry Eremin-Solenikov
2014-10-28 0:02 ` [PATCH 11/15] sound: soc: poodle: make use of new locomo GPIO interface Dmitry Eremin-Solenikov
[not found] ` <1414454528-24240-12-git-send-email-dbaryshkov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-10-28 14:58 ` Mark Brown
[not found] ` <20141028145850.GU18557-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2014-10-28 16:45 ` Dmitry Eremin-Solenikov
2014-10-29 3:03 ` Alexandre Courbot
[not found] ` <CAAVeFuKgARoMFzf+663iP6cULs93d4WSQS8ESjUb9VcxguWurA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-10-31 9:52 ` Linus Walleij
2014-10-31 9:58 ` Dmitry Eremin-Solenikov
2014-11-01 5:42 ` Alexandre Courbot
2014-10-28 0:13 ` Russell King - ARM Linux [this message]
[not found] ` <20141028001338.GZ27405-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2014-10-28 0:28 ` [PATCH 00/15] new locomo driver Dmitry Eremin-Solenikov
2014-10-28 0:29 ` Mark Brown
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