Re: [PATCH] HPE BMC GXP SUPPORT

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On Fri, 2022-02-04 at 12:05 +0000, Russell King (Oracle) wrote:
> On Wed, Feb 02, 2022 at 10:52:50AM -0600, nick.hawkins@xxxxxxx wrote:
[]
> > diff --git a/drivers/clocksource/Makefile b/drivers/clocksource/Makefile
[]
> > +static irqreturn_t gxp_time_interrupt(int irq, void *dev_id)
> > +{
> > +	struct gxp_timer *timer = dev_id;
> > +	void (*event_handler)(struct clock_event_device *timer);
> > +
> > +
> 
> One too many blank lines.
> 
> > +	if (readb_relaxed(timer->control) & MASK_TCS_TC) {
> > +		writeb_relaxed(MASK_TCS_TC, timer->control);
> > +
> > +		event_handler = READ_ONCE(timer->evt.event_handler);
> > +		if (event_handler)
> > +			event_handler(&timer->evt);
> > +		return IRQ_HANDLED;
> > +	} else {
> > +		return IRQ_NONE;
> > +	}
> > +}

It's also less indented code and perhaps clearer to reverse the test

	if (!readb_relaxed(timer->control) & MASK_TCS_TC)
		return IRQ_NONE;

	writeb_relaxed(MASK_TCS_TC, timer->control);

	event_handler = READ_ONCE(timer->evt.event_handler);
	if (event_handler)
		event_handler(&timer->evt);

	return IRQ_HANDLED;





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