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From: Srinivas KANDAGATLA <srinivas.kandagatla@st.com>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Mauro Carvalho Chehab <mchehab@redhat.com>,
	"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>,
	Russell King - ARM Linux <linux@arm.linux.org.uk>,
	Samuel Ortiz <sameo@linux.intel.com>,
	Stephen Gallimore <stephen.gallimore@st.com>,
	"linux-serial@vger.kernel.org" <linux-serial@vger.kernel.org>,
	Grant Likely <grant.likely@linaro.org>,
	"devicetree-discuss@lists.ozlabs.org"
	<devicetree-discuss@lists.ozlabs.org>,
	Rob Herring <rob.herring@calxeda.com>,
	Stuart Menefy <stuart.menefy@st.com>,
	Mark Brown <broonie@kernel.org>,
	John Stultz <john.stultz@linaro.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH v2 04/11] mfd:stixxxx-syscfg: Add ST System Configuration support.
Date: Mon, 10 Jun 2013 14:52:38 +0100	[thread overview]
Message-ID: <51B5DA26.6070707@st.com> (raw)
In-Reply-To: <CACRpkdaW2ALTWCB7Rd8m=aAGQwh3T_dJVncxJn_eXer4X3J6_g@mail.gmail.com>

On 10/06/13 14:16, Linus Walleij wrote:
> On Mon, Jun 10, 2013 at 11:22 AM, Srinivas KANDAGATLA
> <srinivas.kandagatla@st.com> wrote:
> 
>> This mfd driver provides higher level inialization routines for various
>> IPs like Ethernet, USB, PCIE, SATA and so on. Also it provides way to
>> get to syscfg registers via standard regmap api which is usefull for
>> drivers like pinctrl.
>>
>> This patch adds support to ST System Configuration registers, which can
>> be configured by the drivers.
>>
>> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
>> CC: Stuart Menefy <stuart.menefy@st.com>
>> CC: Stephen Gallimore <stephen.gallimore@st.com>
>> CC: Linus Walleij <linus.walleij@linaro.org>
>> CC: Mark Brown <broonie@kernel.org>
> 
> What is this driver doing that drivers/mfd/syscon.c is not already
> doing?
As of now, the driver is very much similar to syscon + some additional
functionality, but we are planning to use this file to add higher level
functions to configure different IPs like ethernet, usb, power, reset
and so on which are very much specific to ST System Configuration Registers.

Thanks,
srini
> 
> I just get the feeling that you're reinventing the wheel here.
> 
> Yours,
> Linus Walleij
> _______________________________________________
> devicetree-discuss mailing list
> devicetree-discuss@lists.ozlabs.org
> https://lists.ozlabs.org/listinfo/devicetree-discuss
> 


  reply	other threads:[~2013-06-10 13:52 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <yes>
2013-06-10  9:17 ` [PATCH v2 00/11] ARM:STixxxx: Add STixxxx platform and board support Srinivas KANDAGATLA
2013-06-10  9:21   ` [PATCH v2 01/11] serial:st-asc: Add ST ASC driver Srinivas KANDAGATLA
2013-06-10  9:35     ` Russell King - ARM Linux
2013-06-10 11:53       ` Srinivas KANDAGATLA
     [not found]   ` <1370855828-5318-1-git-send-email-srinivas.kandagatla-qxv4g6HH51o@public.gmane.org>
2013-06-10  9:21     ` [PATCH v2 02/11] clocksource:global_timer: Add ARM global timer support Srinivas KANDAGATLA
     [not found]       ` <1370856087-6452-1-git-send-email-srinivas.kandagatla-qxv4g6HH51o@public.gmane.org>
2013-06-10 13:13         ` Linus Walleij
     [not found]           ` <CACRpkdbQCRKBzRF4HzNsXHwXCLJJcFZ9T36GPmmYsnX1OfgGRg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-06-10 13:41             ` Srinivas KANDAGATLA
2013-06-11 14:05               ` Srinivas KANDAGATLA
     [not found]                 ` <51B72E9A.6070006-qxv4g6HH51o@public.gmane.org>
2013-06-11 20:13                   ` Linus Walleij
2013-06-12 10:45                     ` Srinivas KANDAGATLA
2013-06-10  9:21     ` [PATCH v2 03/11] regmap: Add regmap_field APIs Srinivas KANDAGATLA
     [not found]       ` <1370856118-6503-1-git-send-email-srinivas.kandagatla-qxv4g6HH51o@public.gmane.org>
2013-06-11 10:48         ` Mark Brown
2013-06-11 11:36           ` Srinivas KANDAGATLA
2013-06-10  9:27     ` [PATCH v2 08/11] ARM:stixxxx: Add DEBUG_LL console support Srinivas KANDAGATLA
2013-06-10  9:28     ` [PATCH v2 10/11] ARM:stih41x: Add B2000 board support Srinivas KANDAGATLA
2013-06-10  9:22   ` [PATCH v2 04/11] mfd:stixxxx-syscfg: Add ST System Configuration support Srinivas KANDAGATLA
     [not found]     ` <1370856147-6552-1-git-send-email-srinivas.kandagatla-qxv4g6HH51o@public.gmane.org>
2013-06-10 13:16       ` Linus Walleij
2013-06-10 13:52         ` Srinivas KANDAGATLA [this message]
2013-06-10 14:02           ` Arnd Bergmann
2013-06-10 15:51             ` Srinivas KANDAGATLA
2013-06-11  7:41             ` Srinivas KANDAGATLA
2013-06-10  9:22   ` [PATCH v2 05/11] pinctrl:stixxxx: Add pinctrl and pinconf support Srinivas KANDAGATLA
     [not found]     ` <1370856161-6600-1-git-send-email-srinivas.kandagatla-qxv4g6HH51o@public.gmane.org>
2013-06-16 12:17       ` Linus Walleij
2013-06-17 13:31         ` Srinivas KANDAGATLA
     [not found]           ` <51BF0FC2.4000601-qxv4g6HH51o@public.gmane.org>
2013-06-17 16:27             ` Linus Walleij
2013-06-10  9:26   ` =?yes?q?=5BPATCH=20v2=2006/11=5D=20ARM=3Astixxxx=3A=20Add=20STiH415=20SOC=20support?= Srinivas KANDAGATLA
2013-06-10  9:55     ` [PATCH v2 06/11] ARM:stixxxx: Add STiH415 SOC support Michal Simek
2013-06-10 11:08     ` Michal Simek
     [not found]     ` <CAHTX3d+dk3W_9b7SVUokWq4KYXnj=Z1=WPj5zJ-gUvJqqwE=+Q@mail.gmail.com>
2013-06-10 11:46       ` Srinivas KANDAGATLA
2013-06-10 23:19         ` Russell King - ARM Linux
2013-06-11  6:50           ` Srinivas KANDAGATLA
2013-06-13 11:56             ` Russell King - ARM Linux
2013-06-13 12:41               ` Srinivas KANDAGATLA
2013-06-13 12:47           ` Linus Walleij
     [not found]     ` <1370856381-6644-1-git-send-email-srinivas.kandagatla-qxv4g6HH51o@public.gmane.org>
2013-06-10 12:43       ` Linus Walleij
     [not found]         ` <CACRpkdZ-xnDO+bte4tyKDWwY4A_qWUhLru3dUmuY9MQwseP3uQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-06-10 16:38           ` Srinivas KANDAGATLA
     [not found]             ` <51B6011E.1060909-qxv4g6HH51o@public.gmane.org>
2013-06-14  7:31               ` Srinivas KANDAGATLA
     [not found]                 ` <51BAC6EC.8000703-qxv4g6HH51o@public.gmane.org>
2013-06-19 18:59                   ` Linus Walleij
2013-06-10  9:27   ` [PATCH v2 07/11] ARM:stixxxx: Add STiH416 " Srinivas KANDAGATLA
2013-06-10 13:52     ` Arnd Bergmann
2013-06-10 16:17       ` Srinivas KANDAGATLA
2013-06-14  7:12       ` Srinivas KANDAGATLA
2013-06-19 18:34       ` Linus Walleij
2013-06-10  9:27   ` [PATCH v2 09/11] ARM:stixxxx: Add stixxxx options to multi_v7_defconfig Srinivas KANDAGATLA
2013-06-10 10:40     ` Mark Rutland
2013-06-10 10:58       ` Srinivas KANDAGATLA
2013-06-10 13:15         ` Mark Rutland
2013-06-13  9:24           ` Srinivas KANDAGATLA
2013-06-17  9:32             ` Mark Rutland
2013-06-10  9:28   ` [PATCH v2 11/11] ARM:stih41x: Add B2020 board support Srinivas KANDAGATLA
2014-10-29 20:28 ` [PATCH v2 0/4] Enable PCI controller for Keystone SoCs Murali Karicheri
2014-10-29 20:28   ` [PATCH v2 3/4] ARM: dts: keystone: add DT bindings for PCI controller for port 0 Murali Karicheri
2014-10-29 20:28   ` [PATCH v2 4/4] ARM: dts: keystone-k2e: add DT bindings for PCI controller for port 1 Murali Karicheri
2014-10-29 21:10   ` [PATCH v2 0/4] Enable PCI controller for Keystone SoCs santosh shilimkar
2015-02-12  7:56 ` [PATCH] pinctrl: mediatek: Fix build error in Mediatek pinctrl driver Hongzhou Yang
2015-02-20 10:04   ` Linus Walleij

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