On 14.07.2023 18:55, Rob Herring wrote: > On Tue, Jul 11, 2023 at 03:21:28PM +0300, Arseniy Krasnov wrote: >> ECC properties 'nand-ecc-strength' and 'nand-ecc-step-size' depends on >> each other, so they must be both either set or not set. > > Is that true for all drivers or just meson? As Miquel Raynal suggested, this will be implemented only for Meson driver at this moment. Here is link with reply: https://lore.kernel.org/linux-mtd/20230705065434.297040-1-AVKrasnov@xxxxxxxxxxxxxx/T/#m88705a0039fb30c18a9bb2b03a1add5f7e212a3b Thanks, Arseniy > >> In first case >> ECC core will try to use these values if possible (by checking ECC caps >> provided by driver), in second case ECC core will select most optimal >> values for both properties. >> >> Signed-off-by: Arseniy Krasnov <AVKrasnov@xxxxxxxxxxxxxx> >> --- >> Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml | 4 ++++ >> 1 file changed, 4 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml >> index e81757c9e0ed..4f6e56542a7e 100644 >> --- a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml >> +++ b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml >> @@ -58,6 +58,10 @@ patternProperties: >> meson-gxl-nfc 8, 16, 24, 30, 40, 50, 60 >> meson-axg-nfc 8 >> >> + dependencies: >> + nand-ecc-strength: ['nand-ecc-step-size'] >> + nand-ecc-step-size: ['nand-ecc-strength'] >> + >> required: >> - compatible >> - reg >> -- >> 2.35.0 >>