lkml.org 
[lkml]   [2024]   [Apr]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH 6/7] arm64: dts: ti: k3-am69-sk: Remove HS400 mode support for eMMC
From
Hi,

On 4/11/24 11:53 PM, Kumar, Udit wrote:
> Hi Judith
>
> On 4/12/2024 4:22 AM, Judith Mendez wrote:
>> From: Dasnavis Sabiya <sabiya.d@ti.com>
>>
>> The eMMC fails to enumerate intermittently on HS400 mode. Also
>> observing multiple CQE recovery warnings.
>> Update the sdhci0 node to disable HS400 and set HS200 mode for
>> eMMC node.
>>
>> Signed-off-by: Dasnavis Sabiya <sabiya.d@ti.com>
>> Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
>> ---
>>   arch/arm64/boot/dts/ti/k3-am69-sk.dts | 1 +
>>   1 file changed, 1 insertion(+)
>>
>> diff --git a/arch/arm64/boot/dts/ti/k3-am69-sk.dts
>> b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
>> index 50de2a448a3a6..a677bb9200a35 100644
>> --- a/arch/arm64/boot/dts/ti/k3-am69-sk.dts
>> +++ b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
>> @@ -906,6 +906,7 @@ &main_sdhci0 {
>>       non-removable;
>>       ti,driver-strength-ohm = <50>;
>>       disable-wp;
>> +    no-mmc-hs400;
>
>
> This is just WA to get rid of CQE errors. I prefer to hold this patch
> under debug from hardware side is not complete.

ok, will drop this patch.

~ Judith

>
>>   };
>>   &main_sdhci1 {


\
 
 \ /
  Last update: 2024-05-27 16:39    [W:0.071 / U:0.040 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site