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Date:   Mon, 4 Mar 2019 13:24:40 +0100
From:   Thierry Reding <thierry.reding@...il.com>
To:     Paul Cercueil <paul@...pouillou.net>
Cc:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Paul Burton <paul.burton@...s.com>,
        James Hogan <jhogan@...nel.org>,
        Jonathan Corbet <corbet@....net>,
        Uwe Kleine-K├Ânig 
        <u.kleine-koenig@...gutronix.de>,
        Mathieu Malaterre <malat@...ian.org>, od@...c.me,
        linux-pwm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-watchdog@...r.kernel.org,
        linux-mips@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-clk@...r.kernel.org
Subject: Re: [PATCH v10 12/27] pwm: jz4740: Use regmap from TCU driver

On Sat, Mar 02, 2019 at 08:33:58PM -0300, Paul Cercueil wrote:
> The ingenic-timer "TCU" driver provides us with a regmap, that we can
> use to safely access the TCU registers.
> 
> While this driver is devicetree-compatible, it is never (as of now)
> probed from devicetree, so this change does not introduce a ABI problem
> with current devicetree files.
> 
> Signed-off-by: Paul Cercueil <paul@...pouillou.net>
> Tested-by: Mathieu Malaterre <malat@...ian.org>
> Tested-by: Artur Rojek <contact@...ur-rojek.eu>
> ---
> 
> Notes:
>          v9: New patch
>     
>          v10: No change
> 
>  drivers/pwm/Kconfig      |  1 +
>  drivers/pwm/pwm-jz4740.c | 74 +++++++++++++++++++++++++++++++-----------------
>  2 files changed, 49 insertions(+), 26 deletions(-)
> 
> diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
> index a8f47df0655a..ace8ea4b6247 100644
> --- a/drivers/pwm/Kconfig
> +++ b/drivers/pwm/Kconfig
> @@ -204,6 +204,7 @@ config PWM_IMX
>  config PWM_JZ4740
>  	tristate "Ingenic JZ47xx PWM support"
>  	depends on MACH_INGENIC
> +	select REGMAP

Sounds to me like "depends INGENIC_TCU" would be more appropriate here.

Thierry

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