> On Tue, Sep 12, 2023 at 03:09:00PM +0800, guojinhui.liam wrote:
> > platform_add_device creates numa_node attribute of sysfs according to
> > whether dev_to_node(dev) is equal to NUMA_NO_NODE. So set the numa node
> > of the device before creating numa_node attribute of sysfs.
>
> Why? What will this allow to happen differently? What is broken with
> the current code?
Commit 4a60406d3592 can run well with dtb, because of_device_add() set the numa_node before device_add().
I think it didn't test acpi before submitting.
> > Fixes: 4a60406d3592 ("driver core: platform: expose numa_node to users in sysfs")
> > Signed-off-by: guojinhui.liam <guojinhui.liam@xxxxxxxxxxxxx>
>
> Please use your name here, and not your email alias, as the first part
> of the signed-off-by line.
>
> And also, please fix up your email client to have the correct name as
> well.
I will fix them with a new patch v2.
> > ---
> > drivers/acpi/acpi_platform.c | 4 +---
> > drivers/base/platform.c | 4 ++++
> > 2 files changed, 5 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c
> > index 48d15dd785f6..adcbfbdc343f 100644
> > --- a/drivers/acpi/acpi_platform.c
> > +++ b/drivers/acpi/acpi_platform.c
> > @@ -178,11 +178,9 @@ struct platform_device *acpi_create_platform_device(struct acpi_device *adev,
> > if (IS_ERR(pdev))
> > dev_err(&adev->dev, "platform device creation failed: %ld\n",
> > PTR_ERR(pdev));
> > - else {
> > - set_dev_node(&pdev->dev, acpi_get_node(adev->handle));
> > + else
> > dev_dbg(&adev->dev, "created platform device %s\n",
> > dev_name(&pdev->dev));
> > - }
> >
> > kfree(resources);
> >
> > diff --git a/drivers/base/platform.c b/drivers/base/platform.c
> > index 76bfcba25003..355abf91930a 100644
> > --- a/drivers/base/platform.c
> > +++ b/drivers/base/platform.c
> > @@ -808,6 +808,7 @@ struct platform_device *platform_device_register_full(
> > {
> > int ret;
> > struct platform_device *pdev;
> > + struct acpi_device *adev = to_acpi_device_node(pdevinfo->fwnode);
> >
> > pdev = platform_device_alloc(pdevinfo->name, pdevinfo->id);
> > if (!pdev)
> > @@ -841,6 +842,9 @@ struct platform_device *platform_device_register_full(
> > goto err;
> > }
> >
> > + if (adev)
> > + set_dev_node(&pdev->dev, acpi_get_node(adev->handle));
>
> Are you sure that this platform code can always call acpi functions?
Thanks for your review, there are something wrong without enabling CONFIG_ACPI.
I will fix it with patch v2 soon.
thanks,
guojinhui
