linux-kernel - Re: [PATCH v6 15/17] memory: omap-gpmc: Support WAIT pin edge interrupts

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Date:	Mon, 11 Apr 2016 10:03:44 -0500
From:	Rob Herring <robh@...nel.org>
To:	Roger Quadros <rogerq@...com>
Cc:	tony@...mide.com, computersforpeace@...il.com,
	boris.brezillon@...e-electrons.com, dwmw2@...radead.org,
	ezequiel@...guardiasur.com.ar, javier@...hile0.org, fcooper@...com,
	nsekhar@...com, linux-mtd@...ts.infradead.org,
	linux-omap@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 15/17] memory: omap-gpmc: Support WAIT pin edge
 interrupts

On Thu, Apr 07, 2016 at 01:08:33PM +0300, Roger Quadros wrote:
> OMAPs can have 2 to 4 WAITPINs that can be used as edge triggered
> interrupts if not used for memory wait state insertion.
> 
> Support these interrupts via the gpmc IRQ domain.
> 
> The gpmc IRQ domain interrupt map is:
> 
> 0 - NAND_fifoevent
> 1 - NAND_termcount
> 2 - GPMC_WAIT0 edge
> 3 - GPMC_WAIT1 edge, and so on
> 
> Signed-off-by: Roger Quadros <rogerq@...com>
> ---
>  .../bindings/memory-controllers/omap-gpmc.txt      |   5 +-

Acked-by: Rob Herring <robh@...nel.org>

>  drivers/memory/omap-gpmc.c                         | 106 +++++++++++++++++----
>  2 files changed, 92 insertions(+), 19 deletions(-)