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
next prev parent 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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4C984287.7020009@embtoolkit.org \
--to=awg@embtoolkit.org \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).