lkml.org 
[lkml]   [2018]   [Feb]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 1/2] dt-bindings: fsi: Add optional property no-scan-on-init
On Tue, Jan 30, 2018 at 04:21:15PM +1030, Joel Stanley wrote:
> From: Christopher Bostic <cbostic@linux.vnet.ibm.com>
>
> Add an optional FSI master property 'no-scan-on-init. This
> can be specified to indicate that a master should not be
> automatically scanned at init time. This is required in cases
> where a scan could interfere with another FSI master on the same
> bus.
>
> Signed-off-by: Christopher Bostic <cbostic@linux.vnet.ibm.com>
> Acked-by: Jeremy Kerr <jk@ozlabs.org>
> Signed-off-by: Joel Stanley <joel@jms.id.au>
> ---
> Documentation/devicetree/bindings/fsi/fsi.txt | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/fsi/fsi.txt b/Documentation/devicetree/bindings/fsi/fsi.txt
> index 4eaf488d4015..ab516c673a4b 100644
> --- a/Documentation/devicetree/bindings/fsi/fsi.txt
> +++ b/Documentation/devicetree/bindings/fsi/fsi.txt
> @@ -56,6 +56,13 @@ addresses (link index and slave ID), and no size:
> #address-cells = <2>;
> #size-cells = <0>;
>
> +An optional boolean property can be added to indicate that a particular master
> +should not scan for connected devices at initialization time. This is
> +necessary in cases where a scan could cause arbitration issues with other
> +masters that may be present on the bus.
> +
> + no-scan-on-init;
> +

The formatting here is a bit strange compared to most bindings, but no
point in reformatting the document to add one property.

Reviewed-by: Rob Herring <robh@kernel.org>

Rob

\
 
 \ /
  Last update: 2018-02-05 07:08    [W:0.044 / U:3.688 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site