From: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
To: Laxman Dewangan <ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Cc: linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org,
swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 1/2] gpio: tegra: create irq mapping in gpio_to_irq
Date: Wed, 07 Nov 2012 10:08:09 -0700 [thread overview]
Message-ID: <509A9579.5090002@wwwdotorg.org> (raw)
In-Reply-To: <1352300492-24779-1-git-send-email-ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
On 11/07/2012 08:01 AM, Laxman Dewangan wrote:
> The gpio interrupts get mapped linearly and hence the mapping
> of irq need to be created by irq_create_mapping().
>
> The function gpio_to_irq() returns the irq by irq_find_mapping()
> and so returns 0 as there is no mapping created. Fix the function
> to create mapping when gpio_to_irq() get called.
I'm not convinced this should be needed. tegra_gpio_probe() contains:
> for (gpio = 0; gpio < tegra_gpio_chip.ngpio; gpio++) {
> int irq = irq_create_mapping(irq_domain, gpio);
which should create the mapping for every IRQ.
(although I do think the gpiochip_add() should be moved to the very end
of probe(), I doubt that impacts this issue much)
next prev parent reply other threads:[~2012-11-07 17:08 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-07 15:01 [PATCH 1/2] gpio: tegra: create irq mapping in gpio_to_irq Laxman Dewangan
2012-11-07 15:01 ` [PATCH 2/2] gpio: tegra: fix suspend/resume apis Laxman Dewangan
[not found] ` <1352300492-24779-2-git-send-email-ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-11-07 17:11 ` Stephen Warren
2012-11-08 21:24 ` Linus Walleij
[not found] ` <1352300492-24779-1-git-send-email-ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-11-07 17:08 ` Stephen Warren [this message]
2012-11-08 4:29 ` [PATCH 1/2] gpio: tegra: create irq mapping in gpio_to_irq Laxman Dewangan
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=509A9579.5090002@wwwdotorg.org \
--to=swarren-3lzwwm7+weoh9zmkesr00q@public.gmane.org \
--cc=grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org \
--cc=ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org \
--cc=linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.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).