linux-kernel - Re: [PATCH 0/2] convert to use generic irq handler

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Date:	Fri, 25 Sep 2015 13:36:21 -0700
From:	"santosh.shilimkar@...cle.com" <santosh.shilimkar@...cle.com>
To:	Grygorii Strashko <grygorii.strashko@...com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>, ssantosh@...nel.org,
	tony@...mide.com
Cc:	linux-omap@...r.kernel.org, Austin Schuh <austin@...oton-tech.com>,
	philipp@...oton-tech.com, linux-rt-users@...r.kernel.org,
	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] convert to use generic irq handler

On 9/25/15 12:28 PM, Grygorii Strashko wrote:
> This patch series contains patches which fixes wrong APIs usage in atomic
> context on RT-kernel. The final goal is to make TI OMAP GPIO driver
> compatible with -RT kernel as much as possible.
>
> Patch 1: required to be compatible with -RT kernel, because PM runtime's
> irq_safe mode is incompatible with -RT.
> Patch 2: This patch converts TI OMAP GPIO driver to use generic irq
>   handler instead of chained IRQ handler. This way OMAP GPIO driver will be
>   compatible with RT-kernel where it will be forced thread IRQ handler
>   while in non-RT kernel it still will be executed in HW IRQ context.
>
> Boot, basic gpio functionality tested on:
>   dra7-evm, BeagleBone(white), am43xx-gpevm, am437x-sk
> Manually tested on dra7-evm including suspend/resume and wakeup.
>
> Links on RFC:
>   https://lkml.org/lkml/2015/8/18/161
>   https://lkml.org/lkml/2015/8/18/162
>
> Grygorii Strashko (2):
>    gpio: omap: move pm runtime in irq_chip.irq_bus_lock/sync_unlock
>    gpio: omap: convert to use generic irq handler
>
Acked-by: Santosh Shilimkar <ssantosh@...nel.org>
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