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From: anarsoul@gmail.com (Vasily Khoruzhick)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH RESEND v3] ARM: s3c2442: Setup gpio {set, get}_pull callbacks
Date: Tue, 30 Nov 2010 16:33:04 +0200	[thread overview]
Message-ID: <201011301633.05545.anarsoul@gmail.com> (raw)
In-Reply-To: <4CF4F845.7010207@metafoo.de>

On Tuesday 30 November 2010 15:12:37 Lars-Peter Clausen wrote:

> Hi
> 
> While this might work for setting the pullup, what to you want to return in
> get_pull?

Some custom value like S3C_GPIO_PULL_ENABLED?
 
> The reason why s3c24xx_gpiocfg_default needs to have {get,set}_pull set at
> compile time is that the board init code is called before the cpu init
> code. Which is in my opinion a bit odd and should be fixed instead.

That's because cpu init code is arch_initcall. Kernel calls mdesc-
>init_machine before any arch_initcall function, not sure if it can be fixed 
without massive rework of existing code.

> If it is not fixed for whatever reason we could fallback to using some sort
> of "cpu_is_s3c2442() ? S3C_GPIO_PULL_UP : S3C_GPIO_PULL_DOWN"

AFAIK, Ben does not like runtime CPUtype checks

Regards
Vasily

  reply	other threads:[~2010-11-30 14:33 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-20 22:00 [PATCH] ARM: s3c2442: Setup gpio {set,get}_pull callbacks Lars-Peter Clausen
2010-09-20 22:00 ` [PATCH] ARM: s3c24xx: Set ARCH_NR_GPIOS according to the selected SoC types Lars-Peter Clausen
2010-09-20 23:41 ` [PATCH] ARM: s3c2442: Setup gpio {set,get}_pull callbacks Ben Dooks
2010-09-21  5:28   ` Abdoulaye Walsimou GAYE
2010-11-06  7:54 ` [PATCH v2] " Vasily Khoruzhick
2010-11-06 16:09   ` Abdoulaye Walsimou GAYE
2010-11-08  9:08     ` Vasily Khoruzhick
2010-11-08 20:26   ` [PATCH v3] " Vasily Khoruzhick
2010-11-08 21:41     ` Abdoulaye Walsimou GAYE
2010-11-29  9:56     ` Vasily Khoruzhick
2010-11-29 10:15       ` Kukjin Kim
2010-11-29 10:26         ` [PATCH RESEND " Vasily Khoruzhick
2010-11-30  6:18           ` [PATCH RESEND v3] ARM: s3c2442: Setup gpio {set, get}_pull callbacks Kukjin Kim
2010-11-30 11:53             ` Lars-Peter Clausen
2010-11-30 12:01               ` Vasily Khoruzhick
2010-11-30 13:12                 ` Lars-Peter Clausen
2010-11-30 14:33                   ` Vasily Khoruzhick [this message]
2010-11-30 14:53                     ` Lars-Peter Clausen
2010-11-30 15:01                       ` Vasily Khoruzhick
2010-11-30 19:46                         ` [PATCH v4] ARM: s3c244x: Fix mess with gpio {set,get}_pull callbacks Vasily Khoruzhick
2010-11-30 19:59                           ` [PATCH v4] ARM: s3c244x: Fix mess with gpio {set, get}_pull callbacks Lars-Peter Clausen
2010-11-30 20:05                             ` Vasily Khoruzhick
2010-11-30 20:12                             ` [PATCH v5] ARM: s3c244x: Fix mess with gpio {set,get}_pull callbacks Vasily Khoruzhick
2010-12-01  0:22                               ` [PATCH v5] ARM: s3c244x: Fix mess with gpio {set, get}_pull callbacks Ben Dooks
2010-12-03  9:40                                 ` Kukjin Kim
2010-12-01  7:26                               ` [PATCH v5] ARM: s3c244x: Fix mess with gpio {set,get}_pull callbacks Kukjin Kim
2010-12-01 10:17                                 ` [PATCH v5] ARM: s3c244x: Fix mess with gpio {set, get}_pull callbacks Vasily Khoruzhick
2010-12-01 12:05                                   ` [PATCH v5] ARM: s3c244x: Fix mess with gpio {set,get}_pull callbacks Kukjin Kim
2010-12-01 12:16                                     ` [PATCH v5] ARM: s3c244x: Fix mess with gpio {set, get}_pull callbacks Vasily Khoruzhick
2010-12-01  5:28                             ` [PATCH v4] ARM: s3c244x: Fix mess with gpio {set,get}_pull callbacks Kukjin Kim
2010-12-01  6:19                               ` [PATCH v4] ARM: s3c244x: Fix mess with gpio {set, get}_pull callbacks Vasily Khoruzhick
2010-12-01  6:29                               ` [PATCH v6] ARM: s3c244x: Fix mess with gpio {set,get}_pull callbacks Vasily Khoruzhick
2010-12-01  5:19               ` [PATCH RESEND v3] ARM: s3c2442: Setup gpio {set, get}_pull callbacks Kukjin Kim
2010-11-29 10:28         ` [PATCH v3] ARM: s3c2442: Setup gpio {set,get}_pull callbacks Vasily Khoruzhick

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