linux-kernel - RE: [PATCH v2 1/2] staging: Add ST-Ericsson CG2900 driver

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Date:	Mon, 28 Mar 2011 12:21:53 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Lukasz.Rymanowski@...to.com
cc:	par-gunnar.p.hjalmdahl@...ricsson.com, gregkh@...e.de,
	devel@...verdev.osuosl.org, linus.walleij@...aro.org,
	linux-kernel@...r.kernel.org, linux-bluetooth@...r.kernel.org,
	pavan_savoy@...y.com, vitalywool@...il.com,
	alan@...rguk.ukuu.org.uk, arnd@...db.de, marcel@...tmann.org,
	linus.walleij@...ricsson.com, pghatwork@...il.com,
	lee.jones@...aro.org, mathieu.poirier@...aro.org
Subject: RE: [PATCH v2 1/2] staging: Add ST-Ericsson CG2900 driver

On Mon, 28 Mar 2011, Lukasz.Rymanowski@...to.com wrote:

> >> +/**
> >> + * cts_interrupt() - Called to handle CTS interrupt.
> >> + * @irq:	Interrupt that occurred.
> >> + * @dev_id:	Device ID where interrupt occurred.
> >> + *
> >> + * The cts_interrupt() function is called if interrupt on CTS occurred.
> >> + * It disables the interrupt and starts a new work thread to handle
> >> + * the interrupt.
> >> + */
> >> +static irqreturn_t cts_interrupt(int irq, void *dev_id) {
> >> +	struct uart_info *uart_info = dev_get_drvdata(dev_id); #ifdef 
> >> +CONFIG_PM
> >> +	disable_irq_wake(irq);
> >> +#endif
> >> +	disable_irq_nosync(irq);
> >> +
> >> +	/* Create work and leave IRQ context. */
> >> +	(void)create_work_item(uart_info, handle_cts_irq);
> >> +
> >> +	return IRQ_HANDLED;
> >> +}
> 
> >Have you thought about using a threaded interrupt handler? That would make all this work cruft go away.
> 
> Good point.
> To be honest we did think about it but in the time we where we were busy with other issues.
> Anyway, shall we resend patches now or we can push patch for it once driver gets in the tree ?

Up to Greg.

Thanks,

	tglx
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