linux-kernel - Re: [PATCH v7 4/8] pwm: sun4i: Add an optional probe for bus clock

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Message-ID: <20191121072829.vitly7altcvlt4sj@pengutronix.de>
Date:   Thu, 21 Nov 2019 08:28:29 +0100
From:   Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
To:     Clément Péron <peron.clem@...il.com>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Philipp Zabel <pza@...gutronix.de>, linux-pwm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com,
        Jernej Skrabec <jernej.skrabec@...l.net>
Subject: Re: [PATCH v7 4/8] pwm: sun4i: Add an optional probe for bus clock

Hello Clément,

On Tue, Nov 19, 2019 at 06:53:15PM +0100, Clément Péron wrote:
> +	/*
> +	 * We're keeping the bus clock on for the sake of simplicity.
> +	 * Actually it only needs to be on for hardware register accesses.
> +	 */
> +	ret = clk_prepare_enable(pwm->bus_clk);
> +	if (ret) {
> +		dev_err(&pdev->dev, "Cannot prepare and enable bus_clk\n");

Maybe add the error code to the message?

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |