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From: awg@embtoolkit.org (Abdoulaye Walsimou GAYE)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: s3c2442: Setup gpio {set,get}_pull callbacks
Date: Tue, 21 Sep 2010 07:28:39 +0200	[thread overview]
Message-ID: <4C984287.7020009@embtoolkit.org> (raw)
In-Reply-To: <4C97F11B.50806@fluff.org>

On 09/21/2010 01:41 AM, Ben Dooks wrote:
> On 20/09/10 23:00, Lars-Peter Clausen wrote:
>    
>> Currently the {set,get}_pull callbacks of the s3c24xx_gpiocfg_default structure
>> are not initalized for the s3c2442 cpu type. This results in a NULL-pointer
>> deref upon calling s3c_gpio_setpull.
>>
>> The s3c2442 has pulldowns instead of pullups compared to the s3c2440.
>> The method of controlling them is the same though.
>> So this patch modifies the existing s3c_gpio_{get,set}pull_1up helper functions
>> to take an additional parameter deciding whether the pin has a pullup or
>> pulldown.
>> The s3c_gpio_{get,set}pull_1{down,up} functions then wrap that functions passing
>> either S3C_GPIO_PULL_UP or S3C_GPIO_PULL_DOWN.
>>
>> Furthermore this patch sets up the s3c24xx_gpiocfg_default.{get,set}_pull fields
>> in the s3c2442 cpu init function to the new pulldown helper functions.
>>
>> Signed-off-by: Lars-Peter Clausen<lars@metafoo.de>
>>      
> Initial reading looks ok, will see about adding it to my -next tree.
>    


Hello,
It is very urgent to get rid on these issues in gpiolib, I think they 
prevent many
s3c24xx based boards to boot and I reported it 3 months ago.
So fixes in this area should not go in any kind on of -next branch but 
instead -urgent-fixes.

Best regards,
AWG

  reply	other threads:[~2010-09-21  5:28 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 [this message]
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
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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