Re: Broken IRQ handling for S3C2416

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Am Donnerstag, 27. Juni 2013, 16:48:16 schrieb José Miguel Gonçalves:
> Hi Heiko,
> 
> On 27-06-2013 15:26, Heiko Stübner wrote:
> > Hi Jose,
> > 
> > Am Donnerstag, 27. Juni 2013, 13:59:07 schrieb José Miguel Gonçalves:
> >> Hi,
> >> 
> >> While migrating from kernel 3.8 to kernel 3.9 I've detected a problem on
> >> my S3C2416 based board. I'm using UART 3 as console and with kernel 3.9
> >> I'm unable to have a getty working on that port and see a lot of these
> >> on dmesg:
> >> 
> >> samsung-uart s3c2440-uart.3: cannot get irq 94
> >> 
> >> Also WDT is not correctly initialized in 3.8, I see in dmesg:
> >> 
> >> s3c2410-wdt s3c2410-wdt: watchdog inactive, reset disabled, irq disabled
> >> 
> >> while in 3.9 I see:
> >> 
> >> s3c2410-wdt s3c2410-wdt: tmr_margin value out of range, default 15 used
> >> s3c2410-wdt s3c2410-wdt: failed to install irq (-38)
> >> s3c2410-wdt: probe of s3c2410-wdt failed with error -38
> >> 
> >> So I guess something is broken in 3.9 kernel's IRQ handling for S3C2416.
> > 
> > when I checked two days ago, the irqs where working fine on my s3c2416
> > board.
> > 
> > Basic questions, did you change the init_irq callback to the correct new
> > function (s3c2416_init_irq) in your board file, can you provide a more
> > complete log and of course and is your board-file available somewhere?
> 
> My bad! I missed that change on the init_irq callback. Everything is
> working fine now. Thank you and sorry for the inconvenience.

no problem, glad I could help :-)


Heiko

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