From: Wolfram Sang <wsa@the-dreams.de>
To: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Cc: linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,
Thierry Reding <thierry.reding@gmail.com>
Subject: Re: [PATCH 3/3] i2c: core: Map OF IRQ at probe time
Date: Fri, 7 Nov 2014 19:05:12 +0100 [thread overview]
Message-ID: <20141107180512.GI3656@katana> (raw)
In-Reply-To: <1414677578-27412-4-git-send-email-laurent.pinchart+renesas@ideasonboard.com>
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On Thu, Oct 30, 2014 at 03:59:38PM +0200, Laurent Pinchart wrote:
> I2C clients instantiated from OF get their IRQ mapped at device
> registration time. This leads to the IRQ being silently ignored if the
> related irqchip hasn't been proved yet.
>
> Fix this by moving IRQ mapping at probe time using of_get_irq(). The
> function operates as irq_of_parse_and_map() but additionally returns
> -EPROBE_DEFER if the irqchip isn't available, allowing us to defer I2C
> client probing.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Applied to for-next, thanks!
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next prev parent reply other threads:[~2014-11-07 18:04 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-30 13:59 [PATCH 0/3] Delay I2C OF IRQ mapping until probe time Laurent Pinchart
2014-10-30 13:59 ` [PATCH 1/3] of/irq: Export of_irq_get() Laurent Pinchart
2014-10-30 14:16 ` Wolfram Sang
2014-10-30 14:17 ` Laurent Pinchart
2014-10-31 18:20 ` Wolfram Sang
2014-10-31 20:58 ` Rob Herring
2014-11-04 15:55 ` Grant Likely
2014-11-07 18:05 ` Wolfram Sang
2014-10-30 13:59 ` [PATCH 2/3] i2c: core: Dispose OF IRQ mapping at client removal time Laurent Pinchart
2014-10-30 14:25 ` Thierry Reding
2014-11-07 18:03 ` Wolfram Sang
2014-10-30 13:59 ` [PATCH 3/3] i2c: core: Map OF IRQ at probe time Laurent Pinchart
2014-11-07 18:05 ` Wolfram Sang [this message]
2014-11-17 11:24 ` Geert Uytterhoeven
2014-10-30 14:27 ` [PATCH 0/3] Delay I2C OF IRQ mapping until " Thierry Reding
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