[PATCH v5 11/14] ARM: OMAP2+: gpmc: handle connected peripherals

Mohammed, Afzal afzal at ti.com
Thu Jun 14 04:40:43 EDT 2012


Hi Jon,

On Wed, Jun 13, 2012 at 21:01:08, Hunter, Jon wrote:
> On 06/11/2012 09:27 AM, Afzal Mohammed wrote:

> > +static __devinit int gpmc_setup_cs(struct gpmc_peripheral *g_per,
> > +				struct gpmc_cs_data *cs, struct resource *res) {
> > +	int num, ret;
> > +
> > +	num = gpmc_setup_cs_mem(cs, res);
> > +	if (IS_ERR_VALUE(num))
> > +		return num;
> > +
> > +	ret = gpmc_setup_cs_config_timing(g_per, cs);
> > +	if (IS_ERR_VALUE(ret))
> > +		return ret;
> > +
> > +	num += gpmc_setup_cs_irq(cs, res + num);
> 
> 
> What happens if the above function returns an error?

That has been deliberately done as that implies user has not
specified irq flag & hence is not an error.

But it seems, I should print error information if user tries to use an
interrupt and if driver does not want/unable to use gpmc interrupt.

Regards
Afzal



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