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From: Philipp Zabel <p.zabel@pengutronix.de>
To: Billy Tsai <billy_tsai@aspeedtech.com>,
	jdelvare@suse.com,  linux@roeck-us.net, robh+dt@kernel.org,
	joel@jms.id.au, andrew@aj.id.au,  lee.jones@linaro.org,
	thierry.reding@gmail.com, u.kleine-koenig@pengutronix.de,
	 linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org,
	 linux-arm-kernel@lists.infradead.org,
	linux-aspeed@lists.ozlabs.org,  linux-kernel@vger.kernel.org,
	linux-pwm@vger.kernel.org
Cc: BMC-SW@aspeedtech.com
Subject: Re: [v13 2/2] pwm: Add Aspeed ast2600 PWM support
Date: Tue, 30 Nov 2021 10:52:17 +0100	[thread overview]
Message-ID: <e28a5d5de9b940717e6444f019eab63ab1bb0b75.camel@pengutronix.de> (raw)
In-Reply-To: <20211129064329.27006-3-billy_tsai@aspeedtech.com>

On Mon, 2021-11-29 at 14:43 +0800, Billy Tsai wrote:
[...]
> +	ret = clk_prepare_enable(priv->clk);
> +	if (ret)
> +		return dev_err_probe(dev, ret, "Couldn't enable clock\n");
> +
> +	ret = reset_control_deassert(priv->reset);
> +	if (ret) {
> +		dev_err_probe(dev, ret, "Couldn't deassert reset control\n");
> +		goto err_disable_clk;
> +	}

Is there any reason to keep the clocks running and the controller out of
reset while the PWM outputs are disabled?

regards
Philipp

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  parent reply	other threads:[~2021-11-30 10:10 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-29  6:43 [v13 0/2] Support pwm driver for aspeed ast26xx Billy Tsai
2021-11-29  6:43 ` [v13 1/2] dt-bindings: Add bindings for aspeed pwm-tach Billy Tsai
2021-11-29  6:43 ` [v13 2/2] pwm: Add Aspeed ast2600 PWM support Billy Tsai
2021-11-29 20:51   ` Uwe Kleine-König
2021-11-30  9:52   ` Philipp Zabel [this message]
2021-12-01  3:30     ` Billy Tsai
2021-12-01  9:11       ` Philipp Zabel
2021-12-01 10:53         ` Billy Tsai

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