Re: [PATCH] musbhsdma: fix IRQ check

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Hello.

On 08/20/2012 10:34 PM, Sergei Shtylyov wrote:

> dma_controller_create() in this MUSB DMA driver only regards 0 as a wrong IRQ
> number, despite platform_get_irq_byname() that it calls returns -EXDEV in that

   Argh, dunno why I typed -EXDEV while actually it returns -ENXIO. Please fix
while applying (or should I resend?).

> case. It leads to calling request_irq() with a negative IRQ number, and when it
> naturally fails, the following is printed to the console:

> request_irq -6 failed!

> and the DMA controller is not created.

> Fix this function to filter out the error values as well as 0.

> Signed-off-by: Sergei Shtylyov <sshtylyov@xxxxxxxxxxxxx>

WBR, Sergei

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