On 05/07/2024 02:20, Damien Le Moal wrote: > On 7/3/24 05:45, Frank Li wrote: >> On Wed, Jun 26, 2024 at 10:17:55AM +0200, Krzysztof Kozlowski wrote: >>> On 25/06/2024 22:57, Frank Li wrote: >>>> Add compatible string 'fsl,ls1046a-ahci' and 'fsl,ls1012a-ahci' compatible >>>> string. Allow 'fsl,ls1012a-ahci' fallback to 'fsl,ls1043a-ahci'. >>>> >>>> ls1046a ahci ecc disable bit is difference with other chips. >>>> >>>> Signed-off-by: Frank Li <Frank.Li@xxxxxxx> >>>> --- >>>> .../devicetree/bindings/ata/fsl,ahci.yaml | 19 ++++++++++++------- >>>> 1 file changed, 12 insertions(+), 7 deletions(-) >>>> >>>> diff --git a/Documentation/devicetree/bindings/ata/fsl,ahci.yaml b/Documentation/devicetree/bindings/ata/fsl,ahci.yaml >>>> index 162b3bb5427ed..a244bc603549d 100644 >>>> --- a/Documentation/devicetree/bindings/ata/fsl,ahci.yaml >>>> +++ b/Documentation/devicetree/bindings/ata/fsl,ahci.yaml >>>> @@ -11,13 +11,18 @@ maintainers: >>>> >>>> properties: >>>> compatible: >>>> - enum: >>>> - - fsl,ls1021a-ahci >>>> - - fsl,ls1043a-ahci >>>> - - fsl,ls1028a-ahci >>>> - - fsl,ls1088a-ahci >>>> - - fsl,ls2080a-ahci >>>> - - fsl,lx2160a-ahci >>>> + oneOf: >>>> + - items: >>>> + - const: fsl,ls1012a-ahci >>>> + - const: fsl,ls1043a-ahci >>>> + - enum: >>>> + - fsl,ls1021a-ahci >>>> + - fsl,ls1043a-ahci >>>> + - fsl,ls1046a-ahci >>> >>> Where is the driver change for this? >>> >>> Your commit does not explain why you are doing it and without driver >>> change adding new support it is not obvious. This probably applies to >>> all your patches. >> >> I think I missed ls1012a and ls1021a. Commit message is wrong. This is >> for legancy platorm. >> >> Basic try to eliminate the CHECK_DTBS warning. ls1012a use >> >> "fsl,ls1012a-ahci", "fsl,ls1043a-ahci". There are two methods, >> 1. change binding doc to allow "fsl,ls1012a-ahci", "fsl,ls1043a-ahci" > > But then shouldn't you also change the drivers/ata/ahci_qoriq.c to add ls1012a > as a compatible ? The fallback will be used by the driver, so there is no need to add front compatibles to of_device_id table. > >> 2. remove "fsl,ls1012a-ahci". > > I am not sure if that is acceptable since there is one device tree using it out > there already. > > I am no DT expert, but I think (1) with the driver change is the right approach. > Krzysztof ? Yep, this cannot be removed. Best regards, Krzysztof