* [question] What does PCIBIOS_MIN_IO mean.
@ 2016-01-19 9:20 Rongrong Zou
0 siblings, 0 replies; 3+ messages in thread
From: Rongrong Zou @ 2016-01-19 9:20 UTC (permalink / raw)
To: linux-kernel
Hi,
Can anyone explain the meaning of the macro PCIBIOS_MIN_IO in pci.h?
I want to know how to use this macro, thanks!
Regards!
Rongrong
^ permalink raw reply [flat|nested] 3+ messages in thread
* [question] What does PCIBIOS_MIN_IO mean
@ 2016-01-19 13:13 Rongrong Zou
2016-01-19 13:42 ` liviu.dudau
0 siblings, 1 reply; 3+ messages in thread
From: Rongrong Zou @ 2016-01-19 13:13 UTC (permalink / raw)
To: Arnd Bergmann, liviu.dudau@arm.com, linux-kernel
Hi Arnd and Liviu,
I'm a little confused with PCIBIOS_MIN_IO. Does it mean the legacy
I/O port reserved?
Regards!
Rongrong
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [question] What does PCIBIOS_MIN_IO mean
2016-01-19 13:13 Rongrong Zou
@ 2016-01-19 13:42 ` liviu.dudau
0 siblings, 0 replies; 3+ messages in thread
From: liviu.dudau @ 2016-01-19 13:42 UTC (permalink / raw)
To: Rongrong Zou; +Cc: Arnd Bergmann, linux-kernel
On Tue, Jan 19, 2016 at 09:13:26PM +0800, Rongrong Zou wrote:
> Hi Arnd and Liviu,
>
> I'm a little confused with PCIBIOS_MIN_IO. Does it mean the legacy
> I/O port reserved?
Yes, it is trying to avoid stepping over the legacy ISA space.
Best regards,
Liviu
>
> Regards!
> Rongrong
>
--
====================
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| fix the world, |
| but they're not |
| giving me the |
\ source code! /
---------------
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