From: Randy Dunlap <rdunlap@xenotime.net>
To: Andrei Warkentin <awarkentin@vmware.com>
Cc: Namjae Jeon <linkinjeon@gmail.com>,
linux-next@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
linux-mmc@vger.kernel.org, Chris Ball <cjb@laptop.org>,
Stephen Rothwell <sfr@canb.auug.org.au>
Subject: Re: mmc core broken dependency on CONFIG_BLOCK (Was: linux-next: Tree for Oct 11 (mmc))
Date: Tue, 11 Oct 2011 14:59:34 -0700 [thread overview]
Message-ID: <4E94BC46.5080505@xenotime.net> (raw)
In-Reply-To: <1172297901.46681.1318361517579.JavaMail.root@zimbra-prod-mbox-2.vmware.com>
On 10/11/11 12:31, Andrei Warkentin wrote:
> Hi Randy,
>
> ----- Original Message -----
>> From: "Randy Dunlap" <rdunlap@xenotime.net>
>> To: "Stephen Rothwell" <sfr@canb.auug.org.au>
>> Cc: linux-next@vger.kernel.org, "LKML" <linux-kernel@vger.kernel.org>, linux-mmc@vger.kernel.org, "Chris Ball"
>> <cjb@laptop.org>
>> Sent: Tuesday, October 11, 2011 2:49:39 PM
>> Subject: Re: linux-next: Tree for Oct 11 (mmc)
>>
>> On 10/11/11 02:11, Stephen Rothwell wrote:
>>> Hi all,
>>>
>>> The linux-next tree is now available from
>>> git://github.com/sfrothwell/linux-next.git as a temporary measure
>>> while
>>> the kernel.org servers are unavailable.
>>>
>>> It may also turn up on git.kernel.org (depending on the mirroring).
>>> The
>>> patch set is still absent, however.
>>>
>>> Changes since 20111007:
>>
>>
>> When CONFIG_BLOCK is not enabled:
>>
>> In file included from
>> next-2011-1011/drivers/mmc/card/sdio_uart.c:43:0:
>> next-2011-1011/include/linux/mmc/card.h:175:12: error:
>> 'DISK_NAME_LEN' undeclared here (not in a function)
>>
>> Deleting the #include <linux/mmc/card.h> fixes the sdio_uart.c build.
>> However, the same problem occurs in mmc/core/core.c:
>>
>
> Because linux/genhd is now included, oops. I'm pretty positive this is due to the "mmc : general purpose partition support" patch pulled recently. I am adding NamJae, who was the author.
>
>> In file included from next-2011-1011/drivers/mmc/core/core.c:30:0:
>> next-2011-1011/include/linux/mmc/card.h:175:12: error:
>> 'DISK_NAME_LEN' undeclared here (not in a function)
>>
>> Should mmc/core/ depend on BLOCK? or should it just be made
>> to build even when BLOCK is not enabled?
>>
>
> I don't think there should be a direct dependency on BLOCK. I have two suggestions -
> 1) Have our own define similar to (and in fact smaller):
> linux/genhd.h:#define DISK_NAME_LEN 32
> 2) Put the MMC physical partition code under an #ifdef CONFIG_BLOCK, which is a reasonable
> proposition, given that there wouldn't be any need to parse physical partition info if
> it would never be consumed by the MMC block driver.
>
> Thoughts?
Agreed on part 2). Do part 1) if it is required, but it's usually better
not to duplicate constants or structs etc.
IOW, can DISK_NAME_LEN in linux/genhd.h be exposed even when CONFIG_BLOCK
is not enabled?
--
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***
next prev parent reply other threads:[~2011-10-11 21:59 UTC|newest]
Thread overview: 84+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-11 9:11 linux-next: Tree for Oct 11 Stephen Rothwell
2011-10-11 18:26 ` [PATCH -next] x86: perf_event_intel.c needs export.h Randy Dunlap
2011-10-11 18:49 ` linux-next: Tree for Oct 11 (mmc) Randy Dunlap
2011-10-11 19:31 ` mmc core broken dependency on CONFIG_BLOCK (Was: linux-next: Tree for Oct 11 (mmc)) Andrei Warkentin
2011-10-11 21:59 ` Randy Dunlap [this message]
2011-10-11 23:20 ` NamJae Jeon
2011-10-11 23:48 ` Andrei Warkentin
2011-10-12 0:16 ` NamJae Jeon
2011-10-12 0:50 ` Andrei Warkentin
2011-10-12 1:55 ` NamJae Jeon
2011-10-11 19:15 ` [PATCH -next] jbd2: fix build when CONFIG_BUG is not enabled Randy Dunlap
2011-10-27 8:06 ` Ted Ts'o
2011-10-11 19:26 ` linux-next: Tree for Oct 11 (mfd/intel_msic.c) Randy Dunlap
2011-10-11 19:32 ` linux-next: Tree for Oct 11 (gpio regulator) Randy Dunlap
2011-10-11 20:22 ` Heiko Stübner
2011-10-11 20:37 ` linux-next: Tree for Oct 11 (ata/pata_of_platform.c) Randy Dunlap
2011-10-14 17:58 ` Randy Dunlap
2011-11-10 13:57 ` Ingo Molnar
2011-11-10 14:25 ` Alan Cox
2011-11-10 15:18 ` [PATCH] ata: Fix build error in pata_of_platform (NO_IRQ usage) Anton Vorontsov
2011-11-10 15:25 ` [PATCH 1/2] of/irq: Get rid of NO_IRQ usage Anton Vorontsov
2011-12-06 21:22 ` Rob Herring
2011-12-06 21:25 ` Linus Torvalds
2011-12-06 23:16 ` [PATCH v3] " Anton Vorontsov
2011-12-07 3:51 ` Rob Herring
[not found] ` <1323268911-6104-1-git-send-email-robherring2@gmail.com>
2011-12-07 15:02 ` [RFC PATCH] microblaze/irq: Change NO_IRQ to 0 Grant Likely
2011-12-07 16:05 ` Linus Torvalds
2011-12-07 16:39 ` Rob Herring
2011-12-09 11:45 ` Michal Simek
2011-12-07 9:52 ` [PATCH v3] of/irq: Get rid of NO_IRQ usage Wolfram Sang
2011-11-10 15:26 ` [PATCH 2/2] ata: Don't use NO_IRQ in pata_of_platform driver Anton Vorontsov
2011-11-10 15:38 ` Alan Cox
2011-11-10 16:28 ` [PATCH] " Anton Vorontsov
2011-11-10 20:34 ` Jeff Garzik
2011-12-02 19:19 ` Dave Martin
2011-12-02 22:34 ` Anton Vorontsov
2011-12-02 22:40 ` Anton Vorontsov
2011-12-02 22:46 ` Anton Vorontsov
2011-12-02 22:40 ` Linus Torvalds
2011-12-02 23:18 ` [PATCH v2] of/irq: Get rid of NO_IRQ usage Anton Vorontsov
2011-12-02 23:22 ` [PATCH] ata: Don't use NO_IRQ in pata_of_platform driver Alan Cox
2011-12-03 18:56 ` Geert Uytterhoeven
2011-12-02 19:26 ` Dave Martin
2011-12-02 19:28 ` Linus Torvalds
2011-12-02 23:12 ` Benjamin Herrenschmidt
2011-12-05 16:11 ` Dave Martin
2011-12-05 17:40 ` Nicolas Pitre
2011-12-05 18:02 ` Dave Martin
2011-12-05 18:15 ` Geert Uytterhoeven
2011-12-05 18:18 ` Nicolas Pitre
2011-12-05 18:45 ` Alan Cox
2011-12-05 19:19 ` James Bottomley
2011-12-06 6:13 ` Jean-Christophe PLAGNIOL-VILLARD
2011-12-06 11:34 ` Alan Cox
2011-12-05 19:16 ` Rob Herring
2011-12-05 20:21 ` Anton Vorontsov
2011-12-05 20:47 ` Rob Herring
2011-12-05 20:53 ` Alan Cox
2011-12-06 9:30 ` Dave Martin
2011-12-06 10:34 ` Alan Cox
2011-12-06 10:55 ` Russell King - ARM Linux
2011-12-05 19:26 ` Dave Martin
2011-12-05 19:49 ` Nicolas Pitre
2011-12-06 9:37 ` Dave Martin
2011-12-06 10:46 ` Russell King - ARM Linux
2011-12-06 11:00 ` Geert Uytterhoeven
2011-12-06 11:03 ` Russell King - ARM Linux
2011-12-06 11:10 ` Alan Cox
2011-12-06 11:05 ` Alan Cox
2011-12-06 11:25 ` Russell King - ARM Linux
2011-12-06 12:11 ` Alan Cox
2011-12-06 11:37 ` Dave Martin
2011-12-06 11:49 ` Russell King - ARM Linux
2011-12-06 13:25 ` Dave Martin
2011-12-06 19:56 ` Rob Herring
2011-12-06 19:20 ` Linus Torvalds
2011-12-06 20:00 ` Russell King - ARM Linux
2011-12-06 20:59 ` Uwe Kleine-König
2011-12-06 19:11 ` Nicolas Pitre
2011-12-05 17:41 ` Alan Cox
2011-11-10 15:35 ` [PATCH] ata: Fix build error in pata_of_platform (NO_IRQ usage) Alan Cox
2011-11-10 18:18 ` linux-next: Tree for Oct 11 (ata/pata_of_platform.c) Jeff Garzik
2011-10-11 20:45 ` linux-next: Tree for Oct 11 (iio/resolver) Randy Dunlap
2011-10-12 8:58 ` Jonathan Cameron
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