From: Matt Fleming <matt@console-pimps.org>
To: Adrian Hunter <adrian.hunter@nokia.com>
Cc: Pierre Ossman <pierre@ossman.eu>,
Andrew Morton <akpm@linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-embedded@vger.kernel.org" <linux-embedded@vger.kernel.org>,
"nico@cam.org" <nico@cam.org>,
"nicolas.ferre@rfo.atmel.com" <nicolas.ferre@rfo.atmel.com>,
"hskinnemoen@atmel.com" <hskinnemoen@atmel.com>,
"tony@atomide.com" <tony@atomide.com>,
"david-b@pacbell.net" <david-b@pacbell.net>,
"manuel.lauss@gmail.com" <manuel.lauss@gmail.com>,
"mirq-linux@rere.qmqm.pl" <mirq-linux@rere.qmqm.pl>,
"ppisa@pikron.com" <ppisa@pikron.com>,
"Lavinen Jarkko (Nokia-D/Helsinki)" <jarkko.lavinen@nokia.com>,
"ben@fluff.org" <ben@fluff.org>,
"saschasommer@freenet.de" <saschasommer@freenet.de>,
"avorontsov@ru.mvista.com" <avorontsov@ru.mvista.com>,
"oakad@yahoo.com" <oakad@yahoo.com>,
"ian@mnementh.co.uk" <ian@mnementh.co.uk>,
HaraldWelte@viate
Subject: Re: New MMC maintainer needed
Date: Tue, 11 Aug 2009 15:02:24 +0100 [thread overview]
Message-ID: <20090811140223.GA4278@console-pimps.org> (raw)
In-Reply-To: <4A76C658.6050002@nokia.com>
On Mon, Aug 03, 2009 at 02:13:28PM +0300, Adrian Hunter wrote:
> Pierre Ossman wrote:
>> Con:
>>
>> - The scanning code gets less clear as you increase the number of
>> possible paths through it.
>>
>> - Different systems will have different init sequences, possibly
>> provoking bugs in the cards.
>>
>> - Host driver writers now have more capability bits they have to
>> consider. And these might be less than obvious since SD/MMC/SDIO are
>> normally compatible so these bits seem useless.
>>
>> - With the current logic (which was better in the first version),
>> "normal" drivers will have to explicitly state that they work as
>> intended by setting all bits.
>
> And the pro is objective.
>
>> Pro:
>>
>> - A slightly reduced scanning time.
>
> That's great! Why do you disregard this so easily?
>
Ping. Adrian, do you have any initialisation times for this patch? I'm
afraid I don't have any eMMC hardware, so I'm not able to gather any
numbers.
WARNING: multiple messages have this Message-ID (diff)
From: Matt Fleming <matt@console-pimps.org>
To: Adrian Hunter <adrian.hunter@nokia.com>
Cc: Pierre Ossman <pierre@ossman.eu>,
Andrew Morton <akpm@linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-embedded@vger.kernel.org" <linux-embedded@vger.kernel.org>,
"nico@cam.org" <nico@cam.org>,
"nicolas.ferre@rfo.atmel.com" <nicolas.ferre@rfo.atmel.com>,
"hskinnemoen@atmel.com" <hskinnemoen@atmel.com>,
"tony@atomide.com" <tony@atomide.com>,
"david-b@pacbell.net" <david-b@pacbell.net>,
"manuel.lauss@gmail.com" <manuel.lauss@gmail.com>,
"mirq-linux@rere.qmqm.pl" <mirq-linux@rere.qmqm.pl>,
"ppisa@pikron.com" <ppisa@pikron.com>,
"Lavinen Jarkko (Nokia-D/Helsinki)" <jarkko.lavinen@nokia.com>,
"ben@fluff.org" <ben@fluff.org>,
"saschasommer@freenet.de" <saschasommer@freenet.de>,
"avorontsov@ru.mvista.com" <avorontsov@ru.mvista.com>,
"oakad@yahoo.com" <oakad@yahoo.com>,
"ian@mnementh.co.uk" <ian@mnementh.co.uk>,
"HaraldWelte@viatech.com" <HaraldWelte@viatech.com>,
"JosephChan@via.com.tw" <JosephChan@via.com.tw>
Subject: Re: New MMC maintainer needed
Date: Tue, 11 Aug 2009 15:02:24 +0100 [thread overview]
Message-ID: <20090811140223.GA4278@console-pimps.org> (raw)
In-Reply-To: <4A76C658.6050002@nokia.com>
On Mon, Aug 03, 2009 at 02:13:28PM +0300, Adrian Hunter wrote:
> Pierre Ossman wrote:
>> Con:
>>
>> - The scanning code gets less clear as you increase the number of
>> possible paths through it.
>>
>> - Different systems will have different init sequences, possibly
>> provoking bugs in the cards.
>>
>> - Host driver writers now have more capability bits they have to
>> consider. And these might be less than obvious since SD/MMC/SDIO are
>> normally compatible so these bits seem useless.
>>
>> - With the current logic (which was better in the first version),
>> "normal" drivers will have to explicitly state that they work as
>> intended by setting all bits.
>
> And the pro is objective.
>
>> Pro:
>>
>> - A slightly reduced scanning time.
>
> That's great! Why do you disregard this so easily?
>
Ping. Adrian, do you have any initialisation times for this patch? I'm
afraid I don't have any eMMC hardware, so I'm not able to gather any
numbers.
next prev parent reply other threads:[~2009-08-11 14:02 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-14 13:36 New MMC maintainer needed Pierre Ossman
2009-07-14 13:36 ` Pierre Ossman
2009-07-14 21:04 ` Ian Molton
2009-07-22 22:17 ` Andrew Morton
2009-07-23 0:08 ` Ian Molton
2009-07-23 5:54 ` Matt Fleming
2009-07-23 6:22 ` Andrew Morton
2009-07-23 6:42 ` Paul Mundt
2009-07-23 6:50 ` Ohad Ben-Cohen
2009-07-23 13:52 ` Matt Fleming
2009-07-24 22:29 ` Andrew Morton
2009-07-27 6:06 ` Philip Langdale
2009-07-27 12:09 ` David Vrabel
2009-07-27 21:40 ` Matt Fleming
2009-07-28 0:52 ` Philip Langdale
2009-07-28 12:51 ` David Vrabel
2009-07-23 7:01 ` Adrian Hunter
2009-07-23 7:01 ` Adrian Hunter
2009-07-23 7:25 ` Stephen Rothwell
2009-07-23 7:32 ` Andrew Morton
2009-07-23 7:38 ` Stephen Rothwell
2009-07-23 16:29 ` Andi Kleen
2009-07-23 10:57 ` Roberto A. Foglietta
2009-07-28 20:22 ` Pierre Ossman
2009-07-30 2:36 ` Segher Boessenkool
2009-07-28 20:20 ` Pierre Ossman
2009-07-28 21:14 ` Ian Molton
2009-07-28 22:41 ` Andrew Morton
2009-07-29 6:35 ` Sam Ravnborg
2009-07-29 10:35 ` Ian Molton
2009-07-28 20:23 ` Pierre Ossman
2009-07-31 10:26 ` Pierre Ossman
2009-07-31 10:54 ` Matt Fleming
2009-08-03 10:34 ` Pierre Ossman
2009-08-03 11:10 ` Matt Fleming
2009-08-03 11:13 ` Adrian Hunter
2009-08-03 11:13 ` Adrian Hunter
2009-08-03 21:41 ` Andrew Morton
2009-08-11 14:02 ` Matt Fleming [this message]
2009-08-11 14:02 ` Matt Fleming
2009-08-12 22:27 ` Andrew Morton
2009-08-13 8:21 ` Matt Fleming
2009-08-13 8:21 ` Matt Fleming
2009-08-13 7:01 ` Adrian Hunter
2009-08-13 7:01 ` Adrian Hunter
2009-08-13 17:03 ` Nicolas Pitre
2009-08-13 17:03 ` Nicolas Pitre
2009-08-04 1:51 ` David Brownell
2009-08-05 1:42 ` David VomLehn
2009-08-06 8:54 ` Pierre Ossman
2009-08-18 9:33 ` Nicolas Ferre
-- strict thread matches above, loose matches on Subject: below --
2009-07-15 4:59 Alex Dubov
2009-07-15 4:59 ` Alex Dubov
2009-07-31 13:36 ` Maxim Levitsky
2009-08-01 6:53 ` Alex Dubov
2009-08-01 7:21 ` Maxim Levitsky
2009-08-12 22:52 ellis
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