From: Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
To: Nikita Yushchenko <nyushchenko-jFhMxQ4mL6a2X5qOxWx28w@public.gmane.org>
Cc: Grant Likely
<grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Benjamin Herrenschmidt
<benh-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
lugovskoy-jFhMxQ4mL6a2X5qOxWx28w@public.gmane.org
Subject: Re: [PATCH 01/21] irq: add devres version of OF IRQ mapping routines
Date: Wed, 4 Jun 2014 15:39:32 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.10.1406041538270.3319@nanos> (raw)
In-Reply-To: <1401880402-30091-2-git-send-email-nyushchenko-jFhMxQ4mL6a2X5qOxWx28w@public.gmane.org>
On Wed, 4 Jun 2014, nyushchenko-jFhMxQ4mL6a2X5qOxWx28w@public.gmane.org wrote:
> From: Nikita Yushchenko <nyushchenko-jFhMxQ4mL6a2X5qOxWx28w@public.gmane.org>
>
> Many drivers use devres to manage their resources, and at the same time
> use irq_of_parse_and_map() / irq_dispose_mapping(). This creates problem
> on driver unload paths and on error paths:
> - it is invalid to call irq_dispose_mapping() while IRQ handler is still
> installed,
> - devres moves removal of IRQ handler out of driver,
> - without explicit devres support for IRQ mapping, irq_dispose_mapping()
> stays in driver and thus gets called while IRQ handler is still
> installed.
>
> This patch adds devm_irq_create_of_mapping() and devm_irq_of_parse_and_map()
> routines to be used by drivers for correct release of resources.
>
> Signed-off-by: Nikita Yushchenko <nyushchenko-jFhMxQ4mL6a2X5qOxWx28w@public.gmane.org>
Reviewed-by: Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
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next prev parent reply other threads:[~2014-06-04 13:39 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-04 11:13 [PATCH 00/21] add and use devm_irq_of_parse_and_map() nyushchenko
2014-06-04 11:13 ` [PATCH 01/21] irq: add devres version of OF IRQ mapping routines nyushchenko
[not found] ` <1401880402-30091-2-git-send-email-nyushchenko-jFhMxQ4mL6a2X5qOxWx28w@public.gmane.org>
2014-06-04 13:39 ` Thomas Gleixner [this message]
2014-06-04 11:13 ` [PATCH 02/21] ata: use devm_irq_of_parse_and_map() where appropriate nyushchenko
2014-06-04 11:13 ` [PATCH 03/21] exynos5440-cpufreq: use devm_irq_of_parse_and_map() nyushchenko
2014-06-04 11:13 ` [PATCH 04/21] omap-sham: " nyushchenko
2014-06-04 11:13 ` [PATCH 05/21] dma: use devm_irq_of_parse_and_map() where appropriate nyushchenko
2014-06-04 11:13 ` [PATCH 06/21] mpc85xx_edac: use devm_irq_of_parse_and_map() nyushchenko
2014-06-04 11:13 ` [PATCH 07/21] gpio: use devm_irq_of_parse_and_map() where appropriate nyushchenko
2014-06-04 11:13 ` [PATCH 08/21] i2c: " nyushchenko
2014-06-04 11:13 ` [PATCH 09/21] apbps2: use devm_irq_of_parse_and_map() nyushchenko
2014-06-04 11:13 ` [PATCH 10/21] media: use devm_irq_of_parse_and_map() where appropriate nyushchenko
2014-06-04 11:13 ` [PATCH 12/21] mpc5121_nfc: use devm_irq_of_parse_and_map() nyushchenko
2014-06-04 11:13 ` [PATCH 13/21] net/can: use devm_irq_of_parse_and_map() where appropriate nyushchenko
[not found] ` <1401880402-30091-1-git-send-email-nyushchenko-jFhMxQ4mL6a2X5qOxWx28w@public.gmane.org>
2014-06-04 11:13 ` [PATCH 11/21] mfd: " nyushchenko-jFhMxQ4mL6a2X5qOxWx28w
2014-06-17 15:12 ` Lee Jones
2014-06-17 15:36 ` Nikita Yushchenko
2014-06-18 8:48 ` Lee Jones
2014-06-18 11:31 ` Nikita Yushchenko
2014-06-18 12:20 ` Lee Jones
2014-06-04 11:13 ` [PATCH 14/21] net/ethernet: " nyushchenko-jFhMxQ4mL6a2X5qOxWx28w
2014-06-04 11:13 ` [PATCH 15/21] pinctrl: " nyushchenko-jFhMxQ4mL6a2X5qOxWx28w
2014-06-04 11:13 ` [PATCH 20/21] usb: " nyushchenko-jFhMxQ4mL6a2X5qOxWx28w
[not found] ` <1401880402-30091-21-git-send-email-nyushchenko-jFhMxQ4mL6a2X5qOxWx28w@public.gmane.org>
2014-06-16 9:35 ` Andreas Larsson
[not found] ` <539EBA6F.7060008-FkzTOoA/JUlBDgjK7y7TUQ@public.gmane.org>
2014-06-16 9:44 ` Nikita Yushchenko
[not found] ` <539EBC8E.6060602-jFhMxQ4mL6a2X5qOxWx28w@public.gmane.org>
2014-06-16 9:54 ` Andreas Larsson
2014-06-04 11:13 ` [PATCH 16/21] bq24190_charger: use devm_irq_of_parse_and_map() nyushchenko
2014-06-04 11:13 ` [PATCH 17/21] rtc-mpc5121: " nyushchenko
2014-06-04 11:13 ` [PATCH 18/21] spi: use devm_irq_of_parse_and_map() where appropriate nyushchenko
2014-06-04 11:13 ` [PATCH 19/21] exynos_tmu: use devm_irq_of_parse_and_map() nyushchenko
2014-06-04 11:13 ` [PATCH 21/21] at91sam9_wdt: " nyushchenko
2014-06-12 10:03 ` [PATCH 00/21] add and " Andreas Larsson
[not found] ` <5399AE1B.1080301@gaisler.com>
2014-06-12 19:02 ` Nikita Yushchenko
2014-06-16 8:23 ` Andreas Larsson
[not found] ` <539EA986.1090501-FkzTOoA/JUlBDgjK7y7TUQ@public.gmane.org>
2014-06-16 8:36 ` Nikita Yushchenko
2014-06-16 9:29 ` Andreas Larsson
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