mtd: nand: pxa3xx: use marvell, prefix for custom DT properties
authorPierre Bourdon <delroth@gmail.com>
Sat, 25 Dec 2021 04:46:29 +0000 (05:46 +0100)
committerStefan Roese <sr@denx.de>
Fri, 14 Jan 2022 06:47:57 +0000 (07:47 +0100)
The DT properties for the "enable-arbiter" and "keep-config" config
knobs were previously named inconsistently:

- The u-boot driver used "nand-enable-arbiter" and "nand-keep-config"
  names, without Marvell prefixes.

- The Linux driver uses "marvell,nand-keep-config" ("enable-arbiter"
  does not exist anymore in recent kernels, but it also used to be
  "marvell,nand-enable-arbiter").

- The device trees almost all use "marvell," prefixed names, except for
  one single instance of "nand-enable-arbiter" without vendor prefix.

This commit standardizes on the vendor prefixed version, making the
u-boot driver read from DT props "marvell,nand-enable-arbiter" and
"marvell,nand-keep-config". The one device tree using the unprefixed
version is also changed to use the new naming.

This has the side effect of making the previously no-op "marvell,"
config knobs already present in some DTs actually do something. This was
likely the original intention of the DT authors, but note that this
commit was not tested on every single impacted board.

Signed-off-by: Pierre Bourdon <delroth@gmail.com>
arch/arm/dts/armada-cp110.dtsi
drivers/mtd/nand/raw/pxa3xx_nand.c

index abf1e4e..ddc10d2 100644 (file)
                                #address-cells = <1>;
                                #size-cells = <0>;
                                clocks = <&CP110_LABEL(syscon0) 1 2>;
-                               nand-enable-arbiter;
+                               marvell,nand-enable-arbiter;
                                num-cs = <1>;
                                nand-ecc-strength = <8>;
                                nand-ecc-step-size = <512>;
index 8ff58a7..3a9c9ca 100644 (file)
@@ -1862,10 +1862,10 @@ static int pxa3xx_nand_probe_dt(struct udevice *dev, struct pxa3xx_nand_info *in
                return -EINVAL;
        }
 
-       if (dev_read_bool(dev, "nand-enable-arbiter"))
+       if (dev_read_bool(dev, "marvell,nand-enable-arbiter"))
                pdata->enable_arbiter = 1;
 
-       if (dev_read_bool(dev, "nand-keep-config"))
+       if (dev_read_bool(dev, "marvell,nand-keep-config"))
                pdata->keep_config = 1;
 
        /*