Re: [PATCH v2] MIPS: pass non-NULL dev_id on shared request_irq()

[Nathan Chancellor]

On Sat, Mar 14, 2020 at 01:43:12PM +0530, afzal mohammed wrote:
> Recently all usages of setup_irq() was replaced by request_irq().
> request_irq() does a few sanity checks that were not done in
> setup_irq(), if they fail irq registration will fail. One of the check
> is to ensure that non-NULL dev_id is passed in the case of shared irq.
> This caused malta on qemu to hang.
> 
> Fix it by passing handler as dev_id to all request_irq()'s that are
> shared. For sni, instead of passing non-NULL dev_id, remove shared irq
> flags.
> 
> Fixes: ac8fd122e070 ("MIPS: Replace setup_irq() by request_irq()")
> Reported-by: Nathan Chancellor <natechancellor@xxxxxxxxx>
> Suggested-by: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
> Signed-off-by: afzal mohammed <afzal.mohd.ma@xxxxxxxxx>

Tested-by: Nathan Chancellor <natechancellor@xxxxxxxxx>