lkml.org 
[lkml]   [2019]   [May]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] serial: 8250: Add support for using platform_device resources
On Thu, 02 May 2019, Esben Haabendal wrote:

> Hi Lee
>
> Could you help clarify whether or not this patch is trying to do
> something odd/wrong?
>
> I might be misunderstanding Andy (probably is), but the discussion
> revolves around the changes I propose where I change the serial8250
> driver to use platform_get_resource() in favour of
> request_mem_region()/release_mem_region().

Since 'serial8250' is registered as a platform device, I don't see any
reason why it shouldn't have the capability to obtain its memory
regions from the platform_get_*() helpers.

> In my understanding, use of platform_get_resource() is the right thing
> to do in order to integrate properly with with MFD drivers that splits a
> common memory resource in mfd_add_device() using the mem_base argument.

--
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

\
 
 \ /
  Last update: 2019-05-07 11:33    [W:0.108 / U:0.476 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site