[PATCH v9 18/18] OMAP2,3: DSS2: Get DSS IRQ from platform device

[Semwal, Sumit]

On Sun, Jan 23, 2011 at 6:22 PM, Russell King - ARM Linux
<linux at arm.linux.org.uk> wrote:
> On Sun, Jan 23, 2011 at 03:39:23PM +0300, Sergei Shtylyov wrote:
>>> diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c
>>> index 4d7a816..22690e9 100644
>>> --- a/drivers/video/omap2/dss/dss.c
>>> +++ b/drivers/video/omap2/dss/dss.c
>> [...]
>>> @@ -609,15 +609,18 @@ static int dss_init(bool skip_init)
>>>      REG_FLD_MOD(DSS_CONTROL, 0, 2, 2);      /* venc clock mode = normal */
>>>   #endif
>>>
>>> -    r = request_irq(INT_24XX_DSS_IRQ,
>>> +    dss_irq = platform_get_irq(dss.pdev, 0);
>>> +    if (dss_irq != -ENXIO) {
>>
>>    Better just 'dss_irq > 0', IMHO.
>
> If a function returns negative error codes, the correct test is
>        ret < 0
> not
>        ret <= 0
>
> The fact that it happens to be dealing with IRQ numbers where IRQ0
> may not be valid is neither here nor there.
>
Thanks Sergei, Russell,

I will update this to check for (ret < 0) as the error case, and re-submit.