Re: [PATCH V4] tty/serial: add support for Xilinx PS UART

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johnlinn@xxxxxxxxxxx wrote:
Yes I'll have a look at it, sorry for the hassle.
I'm assuming I need to try it against linus
tree as something may have changed. Or some other tree?
Or you are assuimg NO_IRQ is defined everywhere which it isn't. The
kernel mainstream just uses zero as intended not a define for it.

Alan

Ahh... maybe I see, it's only defined in ARM and that's what I was building
for.  I'm a little slow sometimes, but I'll get there.

Gotcha, replace with 0. Thanks.

I don't agree with this change. NO_IRQ for microblaze, arm and other is -1. BTW: For ppc is 0. Using NO_IRQ seems to me reasonable.

you are including linux/irq.h which include asm/irq.h for all platforms except s390. I think that is better to find out where the real problem is instead of using any hardcoded value.

If I look at xuartps_get_port function then you don't even need to initialize it to NO_IRQ because if there is no IRQ connected driver is not probed. That's why
"port->irq = res2->start;" is enough.
I would suggest to completely remove that line from xuartps_get_port


Michal




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Michal Simek, Ing. (M.Eng)
PetaLogix - Linux Solutions for a Reconfigurable World
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