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Message-ID: <1425312029.3092.1.camel@arm.com>
Subject: Re: [PATCH] video: ARM CLCD: Added support for FBIO_WAITFORVSYNC
From: Pawel Moll <pawel.moll@arm.com>
To: Arun Ramamurthy <arun.ramamurthy@broadcom.com>
Cc: Rob Herring <robh+dt@kernel.org>, Mark Rutland <Mark.Rutland@arm.com>,
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        Dmitry Torokhov <dtor@google.com>, Anatol Pomazau <anatol@google.com>,
        Jonathan Richardson <jonathar@broadcom.com>,
        Scott Branden <sbranden@broadcom.com>, Ray Jui <rjui@broadcom.com>,
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Date: Mon, 02 Mar 2015 16:00:29 +0000
In-Reply-To: <1424898082-1522-3-git-send-email-arun.ramamurthy@broadcom.com>
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	 <1424898082-1522-3-git-send-email-arun.ramamurthy@broadcom.com>
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On Wed, 2015-02-25 at 21:01 +0000, Arun Ramamurthy wrote:
> Added ioctl and interrupt handler functions to support FBIO_WAITFORVSYNC
> Also corrected documentation to make interrupts and interrupt-names
> optional as they are not required properties.

You may not be aware of this fact, but its the "documentation" what
defines what properties are required...

> Reviewed-by: Ray Jui <rjui@broadcom.com>
> Reviewed-by: Scott Branden <sbranden@broadcom.com>
> Signed-off-by: Arun Ramamurthy <arun.ramamurthy@broadcom.com>0
> ---
>  .../devicetree/bindings/video/arm,pl11x.txt        | 11 +--
>  drivers/video/fbdev/amba-clcd.c                    | 82 ++++++++++++++++++++++
>  include/linux/amba/clcd.h                          |  4 ++
>  3 files changed, 89 insertions(+), 8 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/video/arm,pl11x.txt b/Documentation/devicetree/bindings/video/arm,pl11x.txt
> index 2262cdb..7d19024 100644
> --- a/Documentation/devicetree/bindings/video/arm,pl11x.txt
> +++ b/Documentation/devicetree/bindings/video/arm,pl11x.txt
> @@ -10,14 +10,6 @@ Required properties:
>  
>  - reg: base address and size of the control registers block
>  
> -- interrupt-names: either the single entry "combined" representing a
> -	combined interrupt output (CLCDINTR), or the four entries
> -	"mbe", "vcomp", "lnbu", "fuf" representing the individual
> -	CLCDMBEINTR, CLCDVCOMPINTR, CLCDLNBUINTR, CLCDFUFINTR interrupts
> -
> -- interrupts: contains an interrupt specifier for each entry in
> -	interrupt-names
> -
>  - clock-names: should contain "clcdclk" and "apb_pclk"
>  
>  - clocks: contains phandle and clock specifier pairs for the entries

So no, you can't do that.

Pawel