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

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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.
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