linux-kernel - Re: [PATCH v3 1/4] iio: adc: rockchip_saradc: reset saradc controller before programming it

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Date:	Fri, 29 Jul 2016 16:28:33 -0500
From:	Rob Herring <robh@...nel.org>
To:	Caesar Wang <wxt@...k-chips.com>
Cc:	jic23@...nel.org, heiko@...ech.de, devicetree@...r.kernel.org,
	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
	dianders@...omium.org, linux-rockchip@...ts.infradead.org,
	john@...anate.com, linux@...ck-us.net,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 1/4] iio: adc: rockchip_saradc: reset saradc
 controller before programming it

On Wed, Jul 27, 2016 at 10:24:04PM +0800, Caesar Wang wrote:
> SARADC controller needs to be reset before programming it, otherwise
> it will not function properly.
> 
> Signed-off-by: Caesar Wang <wxt@...k-chips.com>
> Cc: Jonathan Cameron <jic23@...nel.org>
> Cc: Heiko Stuebner <heiko@...ech.de>
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: linux-iio@...r.kernel.org
> Cc: linux-rockchip@...ts.infradead.org
> Tested-by: Guenter Roeck <linux@...ck-us.net>
> 
> ---
> 
> Changes in v3:
> - %s/devm_reset_control_get_optional()/devm_reset_control_get()
> - add Guente's test tag.
> 
> Changes in v2:
> - Make the reset as an optional property, since it should work
> with old devicetrees as well.
> 
>  .../bindings/iio/adc/rockchip-saradc.txt           |  7 +++++
>  drivers/iio/adc/Kconfig                            |  1 +
>  drivers/iio/adc/rockchip_saradc.c                  | 30 ++++++++++++++++++++++
>  3 files changed, 38 insertions(+)

Please add acks when posting new versions.

Rob