linux-kernel - Re: [PATCH 5/5] tty: serial: Add 8250-core based omap driver

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Message-ID: <20140717145430.GF10459@saruman.home>
Date:	Thu, 17 Jul 2014 09:54:30 -0500
From:	Felipe Balbi <balbi@...com>
To:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
CC:	<linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	Tony Lindgren <tony@...mide.com>, Felipe Balbi <balbi@...com>,
	<linux-kernel@...r.kernel.org>, <linux-serial@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH 5/5] tty: serial: Add 8250-core based omap driver

Hi,

On Wed, Jul 16, 2014 at 04:45:03PM +0200, Sebastian Andrzej Siewior wrote:
> +static int omap_8250_startup(struct uart_port *port)
> +{
> +	struct uart_8250_port *up =
> +		container_of(port, struct uart_8250_port, port);
> +	struct omap8250_priv *priv = port->private_data;
> +
> +	int ret;
> +
> +	if (priv->wakeirq) {
> +		ret = request_irq(priv->wakeirq, omap_wake_irq,
> +				port->irqflags, "wakeup irq", port);
> +		if (ret)
> +			return ret;
> +		disable_irq(priv->wakeirq);
> +	}
> +
> +	ret = serial8250_do_startup(port);
> +	if (ret)
> +		goto err;
> +
> +	pm_runtime_get_sync(port->dev);

should this pm_runtime_get_sync() be placed above
serial8250_do_startup() call ?

-- 
balbi

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