From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
To: Javier Martinez Canillas <martinez.javier@gmail.com>
Cc: "mark.rutland@arm.com" <mark.rutland@arm.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"ijc+devicetree@hellion.org.uk" <ijc+devicetree@hellion.org.uk>,
"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
"arnd@arndb.de" <arnd@arndb.de>,
"Pawel.Moll@arm.com" <Pawel.Moll@arm.com>,
"dedekind1@gmail.com" <dedekind1@gmail.com>,
"tony@atomide.com" <tony@atomide.com>,
"avinashphilipk@gmail.com" <avinashphilipk@gmail.com>,
"swarren@wwwdotorg.org" <swarren@wwwdotorg.org>,
"jp.francois@cynove.com" <jp.francois@cynove.com>,
"Balbi, Felipe" <balbi@ti.com>,
"robherring2@gmail.com" <robherring2@gmail.com>,
"Gupta, Pekon" <pekon@ti.com>,
"bcousson@baylibre.com" <bcousson@baylibre.com>,
"olof@lixom.net" <olof@lixom.net>,
"linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
"ivan.djelic@parrot.com" <ivan.djelic@parrot.com>,
"computersforpeace@gmail.com" <computersforpeace@gmail.com>,
"dwmw2@infradead.org" <dwmw2@infradead.org>
Subject: Re: [PATCH v10 10/10] mtd: nand: omap: remove selection of BCH ecc-scheme via KConfig
Date: Thu, 24 Oct 2013 17:05:57 -0300 [thread overview]
Message-ID: <20131024200556.GA2520@localhost> (raw)
In-Reply-To: <CAAwP0s0M=KruCVUana+5Nfm-0nkMGTg1OAatKzCrDeHOXuqd6A@mail.gmail.com>
Javier,
On Thu, Oct 24, 2013 at 09:49:09PM +0200, Javier Martinez Canillas wrote:
> Hi Ezequiel
>
> On Wed, Oct 23, 2013 at 4:13 PM, Ezequiel Garcia
> <ezequiel.garcia@free-electrons.com> wrote:
> > Pekon,
> >
> > On Wed, Oct 23, 2013 at 01:55:58PM +0000, Gupta, Pekon wrote:
> >> >
> >> > I'm wondering how are you testing this in your SOC_AM33XX board (which
> >> > is not ARCH_OMAP3). You probably have ARCH_OMAP3 always selected?
> >> >
> >> Yes, omap2plus_defconfig is a super set..
> >> arch/arm/configs/omap2plus_defconfig automatically enables ARCH_OMAP3.
> >>
> >
> > Yes, but I always remove what I won't use to reduce build time.
> >
> > And now that you bring this issue. IMHO, the AM33xx family is going
> > to be more and more widely used, so maybe introducing an am33xx_defconfig
> > makes sense.
> >
> > Or is the trend to have the least possible amount of defconfigs?
>
> I'm not familiar with AM33xx so I don't know how similar is to OMAP3
> but we used to have different defconfigs for each OMAP board before
> and consolidated everything in only two defconfigs: omap1_defconfig to
> be used for all OMAP1 devices and omap2plus_defconfig to be used for
> all OMAP2+ (i.e: OMAP{2,3,4,5}) devices.
>
> Those have all the common kconfig options and board vendors can
> customize to fit their needs and have a delta with something like:
>
> $ ./scripts/kconfig/merge_config.sh
> arch/arm/configs/omap2plus_defconfig /foo/bar/igep_defconfig
>
> Again I'm not familiar with AM33xx but what I do know is that we
> should keep defconfigs to a minimum.
>
Fair enough.
It's just a bit annoying to have a bigger-than-minimal kernel,
and I get tired of stripping the options.
But I can't ask the kernel to hold my favorite picks either:
we have enough churn already ;-)
--
Ezequiel García, Free Electrons
Embedded Linux, Kernel and Android Engineering
http://free-electrons.com
WARNING: multiple messages have this Message-ID (diff)
From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
To: Javier Martinez Canillas <martinez.javier@gmail.com>
Cc: "Gupta, Pekon" <pekon@ti.com>,
"mark.rutland@arm.com" <mark.rutland@arm.com>,
"olof@lixom.net" <olof@lixom.net>,
"computersforpeace@gmail.com" <computersforpeace@gmail.com>,
"dedekind1@gmail.com" <dedekind1@gmail.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"Pawel.Moll@arm.com" <Pawel.Moll@arm.com>,
"arnd@arndb.de" <arnd@arndb.de>,
"swarren@wwwdotorg.org" <swarren@wwwdotorg.org>,
"tony@atomide.com" <tony@atomide.com>,
"jp.francois@cynove.com" <jp.francois@cynove.com>,
"ijc+devicetree@hellion.org.uk" <ijc+devicetree@hellion.org.uk>,
"avinashphilipk@gmail.com" <avinashphilipk@gmail.com>,
"Balbi, Felipe" <balbi@ti.com>,
"robherring2@gmail.com" <robherring2@gmail.com>,
"bcousson@baylibre.com" <bcousson@baylibre.com>,
"linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
"ivan.djelic@parrot.com" <ivan.djelic@parrot.com>,
linux-omap@vger.ke
Subject: Re: [PATCH v10 10/10] mtd: nand: omap: remove selection of BCH ecc-scheme via KConfig
Date: Thu, 24 Oct 2013 17:05:57 -0300 [thread overview]
Message-ID: <20131024200556.GA2520@localhost> (raw)
In-Reply-To: <CAAwP0s0M=KruCVUana+5Nfm-0nkMGTg1OAatKzCrDeHOXuqd6A@mail.gmail.com>
Javier,
On Thu, Oct 24, 2013 at 09:49:09PM +0200, Javier Martinez Canillas wrote:
> Hi Ezequiel
>
> On Wed, Oct 23, 2013 at 4:13 PM, Ezequiel Garcia
> <ezequiel.garcia@free-electrons.com> wrote:
> > Pekon,
> >
> > On Wed, Oct 23, 2013 at 01:55:58PM +0000, Gupta, Pekon wrote:
> >> >
> >> > I'm wondering how are you testing this in your SOC_AM33XX board (which
> >> > is not ARCH_OMAP3). You probably have ARCH_OMAP3 always selected?
> >> >
> >> Yes, omap2plus_defconfig is a super set..
> >> arch/arm/configs/omap2plus_defconfig automatically enables ARCH_OMAP3.
> >>
> >
> > Yes, but I always remove what I won't use to reduce build time.
> >
> > And now that you bring this issue. IMHO, the AM33xx family is going
> > to be more and more widely used, so maybe introducing an am33xx_defconfig
> > makes sense.
> >
> > Or is the trend to have the least possible amount of defconfigs?
>
> I'm not familiar with AM33xx so I don't know how similar is to OMAP3
> but we used to have different defconfigs for each OMAP board before
> and consolidated everything in only two defconfigs: omap1_defconfig to
> be used for all OMAP1 devices and omap2plus_defconfig to be used for
> all OMAP2+ (i.e: OMAP{2,3,4,5}) devices.
>
> Those have all the common kconfig options and board vendors can
> customize to fit their needs and have a delta with something like:
>
> $ ./scripts/kconfig/merge_config.sh
> arch/arm/configs/omap2plus_defconfig /foo/bar/igep_defconfig
>
> Again I'm not familiar with AM33xx but what I do know is that we
> should keep defconfigs to a minimum.
>
Fair enough.
It's just a bit annoying to have a bigger-than-minimal kernel,
and I get tired of stripping the options.
But I can't ask the kernel to hold my favorite picks either:
we have enough churn already ;-)
--
Ezequiel García, Free Electrons
Embedded Linux, Kernel and Android Engineering
http://free-electrons.com
--
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next prev parent reply other threads:[~2013-10-24 20:06 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-19 8:44 [PATCH v10 00/10] mtd:nand:omap2: clean-up of supported ECC schemes Pekon Gupta
2013-10-19 8:44 ` Pekon Gupta
2013-10-19 8:44 ` [PATCH v10 01/10] ARM: OMAP2+: cleaned-up DT support of various " Pekon Gupta
2013-10-19 8:44 ` Pekon Gupta
2013-10-19 8:44 ` [PATCH v10 02/10] mtd: nand: omap: combine different flavours of 1-bit hamming ecc schemes Pekon Gupta
2013-10-19 8:44 ` Pekon Gupta
2013-10-19 8:44 ` [PATCH v10 03/10] mtd: nand: omap: cleanup: replace local references with generic framework names Pekon Gupta
2013-10-19 8:44 ` Pekon Gupta
2013-10-19 8:44 ` [PATCH v10 04/10] mtd: nand: omap: fix device scan: NAND_CMD_READID, NAND_CMD_RESET, CMD_CMD_PARAM use only x8 bus Pekon Gupta
2013-10-19 8:44 ` Pekon Gupta
2013-10-22 20:16 ` Brian Norris
2013-10-22 20:16 ` Brian Norris
2013-10-23 5:07 ` Gupta, Pekon
2013-10-23 5:07 ` Gupta, Pekon
2013-10-23 6:13 ` Brian Norris
2013-10-23 6:13 ` Brian Norris
2013-10-23 12:30 ` Gupta, Pekon
2013-10-23 12:30 ` Gupta, Pekon
2013-10-23 12:55 ` Ezequiel Garcia
2013-10-23 12:55 ` Ezequiel Garcia
2013-10-23 13:15 ` Gupta, Pekon
2013-10-23 13:15 ` Gupta, Pekon
2013-10-23 13:24 ` Ezequiel Garcia
2013-10-23 13:24 ` Ezequiel Garcia
2013-10-23 14:46 ` Ezequiel Garcia
2013-10-23 14:46 ` Ezequiel Garcia
2013-10-24 12:59 ` Gupta, Pekon
2013-10-24 12:59 ` Gupta, Pekon
2013-10-24 13:07 ` Ezequiel Garcia
2013-10-24 13:07 ` Ezequiel Garcia
2013-10-19 8:44 ` [PATCH v10 05/10] mtd:nand:omap2: clean-up BCHx_HW and BCHx_SW ECC configurations in device_probe Pekon Gupta
2013-10-19 8:44 ` Pekon Gupta
2013-10-19 8:44 ` [PATCH v10 06/10] mtd: nand: omap: clean-up ecc layout for BCH ecc schemes Pekon Gupta
2013-10-19 8:44 ` Pekon Gupta
2013-10-19 8:44 ` [PATCH v10 07/10] mtd: nand: omap: use drivers/mtd/nand/nand_bch.c wrapper for BCH ECC instead of lib/bch.c Pekon Gupta
2013-10-19 8:44 ` Pekon Gupta
2013-10-19 8:44 ` [PATCH v10 08/10] ARM: dts: AM33xx: updated default ECC scheme in nand-ecc-opt Pekon Gupta
2013-10-19 8:44 ` Pekon Gupta
2013-10-19 8:44 ` [PATCH v10 09/10] mtd: nand: omap: updated devm_xx for all resource allocation and free calls Pekon Gupta
2013-10-19 8:44 ` Pekon Gupta
2013-10-19 8:44 ` [PATCH v10 10/10] mtd: nand: omap: remove selection of BCH ecc-scheme via KConfig Pekon Gupta
2013-10-19 8:44 ` Pekon Gupta
2013-10-23 13:44 ` Ezequiel Garcia
2013-10-23 13:44 ` Ezequiel Garcia
2013-10-23 13:55 ` Gupta, Pekon
2013-10-23 13:55 ` Gupta, Pekon
2013-10-23 14:13 ` Ezequiel Garcia
2013-10-23 14:13 ` Ezequiel Garcia
2013-10-24 19:49 ` Javier Martinez Canillas
2013-10-24 19:49 ` Javier Martinez Canillas
2013-10-24 20:05 ` Ezequiel Garcia [this message]
2013-10-24 20:05 ` Ezequiel Garcia
2013-10-22 20:30 ` [PATCH v10 00/10] mtd:nand:omap2: clean-up of supported ECC schemes Brian Norris
2013-10-22 20:30 ` Brian Norris
2013-10-23 5:10 ` Gupta, Pekon
2013-10-23 5:10 ` Gupta, Pekon
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