Hi Marek,
marex@xxxxxxx wrote on Mon, 5 Dec 2022 17:26:53 +0100:
> On 12/5/22 16:23, Francesco Dolcini wrote:
> > From: Francesco Dolcini <francesco.dolcini@xxxxxxxxxxx>
> >
> > This reverts commit 753395ea1e45c724150070b5785900b6a44bd5fb.
> >
> > It introduced a boot regression on colibri-imx7, and potentially any
> > other i.MX7 boards with MTD partition list generated into the fdt by
> > U-Boot.
> >
> > While the commit we are reverting here is not obviously wrong, it fixes
> > only a dt binding checker warning that is non-functional, while it
> > introduces a boot regression and there is no obvious fix ready.
> >
> > Cc: stable@xxxxxxxxxxxxxxx
> > Fixes: 753395ea1e45 ("ARM: dts: imx7: Fix NAND controller size-cells")
> > Link: https://lore.kernel.org/all/Y4dgBTGNWpM6SQXI@xxxxxxxxxxxxxxxxxxxxxxxxxxxx/
> > Link: https://lore.kernel.org/all/20221205144917.6514168a@xps-13/
> > Signed-off-by: Francesco Dolcini <francesco.dolcini@xxxxxxxxxxx>
> > ---
> > arch/arm/boot/dts/imx7s.dtsi | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi
> > index 03d2e8544a4e..0fc9e6b8b05d 100644
> > --- a/arch/arm/boot/dts/imx7s.dtsi
> > +++ b/arch/arm/boot/dts/imx7s.dtsi
> > @@ -1270,10 +1270,10 @@ dma_apbh: dma-apbh@33000000 {
> > clocks = <&clks IMX7D_NAND_USDHC_BUS_RAWNAND_CLK>;
> > };
> > > - gpmi: nand-controller@33002000 {
> > + gpmi: nand-controller@33002000{
> > compatible = "fsl,imx7d-gpmi-nand";
> > #address-cells = <1>;
> > - #size-cells = <0>;
> > + #size-cells = <1>;
> > reg = <0x33002000 0x2000>, <0x33004000 0x4000>;
> > reg-names = "gpmi-nand", "bch";
> > interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
>
> I suspect this fix should eventually be reverted again, once a proper fix is agreed upon in the MTD OF parser, right ?
I guess it's time to migrate to a more modern definition, it's not
complex to do, there are plenty of examples. This would be IMHO a
better step ahead rather than just a cell change. Anyway, I don't mind
reverting this once we've sorted this mess out and fixed U-Boot.
Cheers,
Miquèl
