From: Santosh Shilimkar <santosh.shilimkar@ti.com>
To: Jon Hunter <jon-hunter@ti.com>
Cc: Kevin Hilman <khilman@linaro.org>,
Linus Walleij <linus.walleij@linaro.org>,
Tony Lindgren <tony@atomide.com>,
linux-omap <linux-omap@vger.kernel.org>,
linux-arm <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 2/2] gpio/omap: warn if bank is not enabled on setting irq type
Date: Sat, 2 Mar 2013 10:57:19 +0530 [thread overview]
Message-ID: <51318DB7.5070601@ti.com> (raw)
In-Reply-To: <1362158568-1624-3-git-send-email-jon-hunter@ti.com>
On Friday 01 March 2013 10:52 PM, Jon Hunter wrote:
> For OMAP devices, if a gpio is being used as an interrupt source but has
> not been requested by calling gpio_request(), a call to request_irq()
> may cause the kernel hang because the gpio bank may be disabled and
> hence the register access will fail. To prevent such hangs, test for
> this case and warn if this is detected.
>
> Signed-off-by: Jon Hunter <jon-hunter@ti.com>
> ---
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
WARNING: multiple messages have this Message-ID (diff)
From: santosh.shilimkar@ti.com (Santosh Shilimkar)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] gpio/omap: warn if bank is not enabled on setting irq type
Date: Sat, 2 Mar 2013 10:57:19 +0530 [thread overview]
Message-ID: <51318DB7.5070601@ti.com> (raw)
In-Reply-To: <1362158568-1624-3-git-send-email-jon-hunter@ti.com>
On Friday 01 March 2013 10:52 PM, Jon Hunter wrote:
> For OMAP devices, if a gpio is being used as an interrupt source but has
> not been requested by calling gpio_request(), a call to request_irq()
> may cause the kernel hang because the gpio bank may be disabled and
> hence the register access will fail. To prevent such hangs, test for
> this case and warn if this is detected.
>
> Signed-off-by: Jon Hunter <jon-hunter@ti.com>
> ---
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
next prev parent reply other threads:[~2013-03-02 5:25 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-01 17:22 [PATCH 0/2] gpio/omap: updates for v3.10 Jon Hunter
2013-03-01 17:22 ` Jon Hunter
2013-03-01 17:22 ` [PATCH 1/2] gpio/omap: convert gpio irq domain to linear mapping Jon Hunter
2013-03-01 17:22 ` Jon Hunter
2013-03-02 5:24 ` Santosh Shilimkar
2013-03-02 5:24 ` Santosh Shilimkar
2013-03-02 11:48 ` Felipe Balbi
2013-03-02 11:48 ` Felipe Balbi
2013-03-04 17:06 ` Jon Hunter
2013-03-04 17:06 ` Jon Hunter
2013-03-04 17:11 ` Felipe Balbi
2013-03-04 17:11 ` Felipe Balbi
2013-03-04 17:58 ` Jon Hunter
2013-03-04 17:58 ` Jon Hunter
2013-03-04 18:47 ` Felipe Balbi
2013-03-04 18:47 ` Felipe Balbi
2013-03-02 19:39 ` Grant Likely
2013-03-02 19:39 ` Grant Likely
2013-03-01 17:22 ` [PATCH 2/2] gpio/omap: warn if bank is not enabled on setting irq type Jon Hunter
2013-03-01 17:22 ` Jon Hunter
2013-03-02 5:27 ` Santosh Shilimkar [this message]
2013-03-02 5:27 ` Santosh Shilimkar
2013-03-02 11:49 ` Felipe Balbi
2013-03-02 11:49 ` Felipe Balbi
2013-03-02 19:40 ` Grant Likely
2013-03-02 19:40 ` Grant Likely
2013-03-01 17:39 ` [PATCH 0/2] gpio/omap: updates for v3.10 Kevin Hilman
2013-03-01 17:39 ` Kevin Hilman
2013-03-01 22:52 ` Javier Martinez Canillas
2013-03-01 22:52 ` Javier Martinez Canillas
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