Messages in this thread Patch in this message | | | Date | Wed, 13 Mar 2019 09:59:48 -0300 | From | Paul Cercueil <> | Subject | Re: [PATCH v4 2/9] dt-bindings: mtd: ingenic: Change 'BCH' to 'ECC' in documentation |
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Le lun. 4 mars 2019 à 15:58, Miquel Raynal <miquel.raynal@bootlin.com> a écrit : > Hi Paul, > > Paul Cercueil <paul@crapouillou.net> wrote on Mon, 04 Mar 2019 > 19:23:50 > +0100: > >> On Mon, Mar 4, 2019 at 10:50 AM, Miquel Raynal >> <miquel.raynal@bootlin.com> wrote: >> > Hi Paul, >> > >> > Paul Cercueil <paul@crapouillou.net >> <mailto:paul@crapouillou.net>> > wrote on Sat, 9 Feb 2019 16:22:58 >> > -0300: >> > >> >> The JZ4740 ECC hardware is not BCH but Reed-Solomon, so it >> makes >> more >> >> sense to use the more generic ECC term. >> >> >> Signed-off-by: Paul Cercueil <paul@crapouillou.net >> >> <mailto:paul@crapouillou.net>> >> >> --- >> >> >> Changes: >> >> >> v3: New patch >> >> >> v4: No change >> >> >> .../devicetree/bindings/mtd/ingenic,jz4780-nand.txt | 18 >> >> +++++++++--------- >> >> 1 file changed, 9 insertions(+), 9 deletions(-) >> >> >> diff --git >> >> a/Documentation/devicetree/bindings/mtd/ingenic,jz4780-nand.txt >> >> b/Documentation/devicetree/bindings/mtd/ingenic,jz4780-nand.txt >> >> index a5b940f18bf6..5a45cc54f46d 100644 >> >> --- >> a/Documentation/devicetree/bindings/mtd/ingenic,jz4780-nand.txt >> >> +++ >> b/Documentation/devicetree/bindings/mtd/ingenic,jz4780-nand.txt >> >> @@ -1,4 +1,4 @@ >> >> -* Ingenic JZ4780 NAND/BCH >> >> +* Ingenic JZ4780 NAND/ECC >> >> >> This file documents the device tree bindings for NAND flash >> >> devices on the >> >> JZ4780. NAND devices are connected to the NEMC controller >> >> (described in >> >> @@ -14,10 +14,10 @@ Required NAND controller device properties: >> >> an offset of 0 and a size of 0x1000000 (i.e. the whole NEMC >> >> bank). >> >> >> Optional NAND controller device properties: >> >> -- ingenic,bch-controller: To make use of the hardware BCH >> >> controller, this >> >> - property must contain a phandle for the BCH controller node. >> The >> required >> >> +- ingenic,bch-controller: To make use of the hardware ECC >> >> controller, this >> >> + property must contain a phandle for the ECC controller node. >> The >> required >> > >> > I think there is already a 'ecc-engine' property used by MTK and >> Atmel >> > NAND controllers to point to the ECC engine block. Please use this >> > property instead of the ingenic specific one. >> >> ingenic,bch-controller is already in the devicetree ABI. I can't >> change it now... > > Oh, right... > > Well, same thing as before, maybe you can change it and keep the > driver > backward compatible? I don't want new DT to use this property because > it is not generic and we must have a way from the core to find the ECC > engine handle when the controller does not embed one itself (thus, the > ecc-engine property which is around for quite some time already).
I can do that. Will the new ECC framework work with the "ecc-engine" property?
-Paul
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