> 
> > > Should there be -EPROBE_DEFER handling in here somewhere? The SRAM
> > > is a device, so it might not of been probed yet?
> >
> 
> > No, firmware probed during bootloader boot and we can use SRAM. SRAM
> > memory can be safely used.
> 
> A previous patch added:
> 
> +               CP11X_LABEL(cm3_sram): cm3@220000 {
> +                       compatible = "mmio-sram";
> +                       reg = <0x220000 0x800>;
> +                       #address-cells = <1>;
> +                       #size-cells = <1>;
> +                       ranges = <0 0x220000 0x800>;
> +               };
> +
> 
> So it looks like the SRAM is a device, in the linux driver model. And there 
> is a
> driver for this, driver/misc/sram.c. How do you know this device has been
> probed before the Ethernet driver?
> 
>        Andrew

You right, I would add EPROBE_DEFER if of_gen_pool_get return NULL.

Thanks.

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