lkml.org 
[lkml]   [2019]   [Jul]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 2/8] ARM: OMAP2+: Remove unconfigured midlemode for am3 lcdc
From
Date


On 24/07/19 12:33 AM, Suman Anna wrote:
> + Jyri
>
> On 7/23/19 6:28 AM, Tony Lindgren wrote:
>> We currently get a warning for lcdc because of a difference
>> with dts provided configuration compared to the legacy platform
>> data. This is because lcdc has SYSC_HAS_MIDLEMODE configured in
>> the platform data without configuring the modes.
>
> Hi Tony,
> While I understand that you are trying to match the DT data with the
> existing legacy data, do you know if there was a reason why this was
> omitted in the first place? Should we be really adding the MSTANDBY_
> flags and fix up the DTS node accordingly? I tried looking through the
> git log, and the initial commit itself didn't add the MSTANDBY_ flags
> but used the SYSC_HAS_MIDLEMODE.
>
> Jyri,
> Do you know the history?

Tony/Suman,

This patch breaks DS0 on am3.

- Keerthy

>
> regards
> Suman
>
>>
>> Let's fix the warning by removing SYSC_HAS_MIDLEMODE. Note that
>> the am335x TRM lists SYSC_HAS_MIDLEMODE, but it is unused.
>
>
>
>>
>> Signed-off-by: Tony Lindgren <tony@atomide.com>
>> ---
>> arch/arm/mach-omap2/omap_hwmod_33xx_data.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
>> --- a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
>> +++ b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
>> @@ -231,7 +231,7 @@ static struct omap_hwmod am33xx_control_hwmod = {
>> static struct omap_hwmod_class_sysconfig lcdc_sysc = {
>> .rev_offs = 0x0,
>> .sysc_offs = 0x54,
>> - .sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_MIDLEMODE),
>> + .sysc_flags = SYSC_HAS_SIDLEMODE,
>> .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
>> .sysc_fields = &omap_hwmod_sysc_type2,
>> };
>>
>

\
 
 \ /
  Last update: 2019-07-24 07:51    [W:0.083 / U:0.364 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site