linux-kernel - Re: [PATCH 1/2] hwspinlock/omap: add support for dt nodes

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Date:	Wed, 04 Sep 2013 11:09:57 +0300
From:	Stanimir Varbanov <svarbanov@...sol.com>
To:	Suman Anna <s-anna@...com>
CC:	Ohad Ben-Cohen <ohad@...ery.com>, Tony Lindgren <tony@...mide.com>,
	Benoit Cousson <bcousson@...libre.com>,
	Kumar Gala <galak@...eaurora.org>,
	linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
	devicetree@...r.kernel.org
Subject: Re: [PATCH 1/2] hwspinlock/omap: add support for dt nodes

Hi Suman,

Thanks for the patch.

On 09/03/2013 08:52 PM, Suman Anna wrote:
> HwSpinlock IP is present only on OMAP4 and other newer SoCs,
> which are all device-tree boot only. This patch adds the
> base support for parsing the DT nodes, and removes the code
> dealing with the traditional platform device instantiation.
> 
> Signed-off-by: Suman Anna <s-anna@...com>
> ---
>  .../devicetree/bindings/hwlock/omap-hwspinlock.txt | 28 ++++++++++
>  arch/arm/mach-omap2/Makefile                       |  3 --
>  arch/arm/mach-omap2/hwspinlock.c                   | 60 ----------------------
>  drivers/hwspinlock/omap_hwspinlock.c               | 21 ++++++--
>  4 files changed, 45 insertions(+), 67 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/hwlock/omap-hwspinlock.txt
>  delete mode 100644 arch/arm/mach-omap2/hwspinlock.c
> 
> diff --git a/Documentation/devicetree/bindings/hwlock/omap-hwspinlock.txt b/Documentation/devicetree/bindings/hwlock/omap-hwspinlock.txt
> new file mode 100644
> index 0000000..adfb8ad
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwlock/omap-hwspinlock.txt
> @@ -0,0 +1,28 @@
> +OMAP4+ HwSpinlock Driver
> +
> +Required properties:
> +- compatible:		Currently supports only "ti,omap4-hwspinlock" for
> +				OMAP44xx, OMAP54xx, AM33xx, AM43xx, DRA7xx SoCs
> +- reg:			Contains the hwspinlock register address range (base
> +			address and length)
> +- ti,hwmods:		Name of the hwmod associated with the hwspinlock device
> +
> +Optional properties:
> +- base_id:		Base Id for the locks for a particular hwspinlock

Could you rename base_id to base-id. The property name convention is to
use dashes in DT world.

regards,
Stan


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