[PATCH] dm: automatically set DM_FLAG_PRE_RELOC based on device-tree property

[quentin.schulz at theobroma-systems.com]

Hi Tom,

On 9/29/22 4:34 PM, Tom Rini <trini at konsulko.com> wrote:
> On Thu, Sep 22, 2022 at 03:53:46PM +0200, Marek Vasut wrote:
> > On 9/22/22 15:45, Quentin Schulz wrote:
> >> From: Quentin Schulz <quentin.schulz at theobroma-systems.com>
> >>
> >> One needs to set u-boot,dm-pre-reloc in a device Device Tree node so
> >> that it is kept in SPL/TPL variant of the device tree. However, a device
> >> is automatically probed only if it's flagged with DM_FLAG_PRE_RELOC,
> >> regardless of u-boot,dm-pre-reloc DT property presence. This flag is
> >> currently only set by drivers directly.
> >>
> >> However, this flag should be allowed to be set on a per-device basis
> >> even if the driver does not hardcode it so that the device will be
> >> probed in SPL/TPL regardless of the driver's defaults.
> >>
> >> This sets the DM_FLAG_PRE_RELOC for all U_BOOT_CLASS devices whose DT
> >> node contains the u-boot,dm-pre-reloc property.
> >>
> >> Cc: Quentin Schulz <foss+uboot at 0leil.net>
> >> Signed-off-by: Quentin Schulz <quentin.schulz at theobroma-systems.com>
> >> ---
> >>    drivers/core/lists.c | 3 +++
> >>    1 file changed, 3 insertions(+)
> >>
> >> diff --git a/drivers/core/lists.c b/drivers/core/lists.c
> >> index c49695b24f..86b75ffede 100644
> >> --- a/drivers/core/lists.c
> >> +++ b/drivers/core/lists.c
> >> @@ -260,6 +260,9 @@ int lists_bind_fdt(struct udevice *parent, ofnode node, struct udevice **devp,
> >>    				ret);
> >>    			return log_msg_ret("bind", ret);
> >>    		} else {
> >> +			if (ofnode_pre_reloc(node))
> >> +				dev_or_flags(dev, DM_FLAG_PRE_RELOC);
> >> +
> >>    			found = true;
> >>    			if (devp)
> >>    				*devp = dev;
> >
> > Reviewed-by: Marek Vasut <marex at denx.de>
> >
> > Tom, this does look like a bugfix for this release, but it would be good to
> > have Simon look over this too.
> 
> Cycling back here, I would like to hear what Simon thinks here.
> 

This patch is superseded by https://lore.kernel.org/u-boot/20220922155326.3293815-1-foss+uboot@0leil.net/, please abandon it.

Cheers,
Quentin