linux-kernel - Re: [PATCH 1/2] Revert "device property: Keep secondary firmware node secondary by type"

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Date:   Tue, 5 Jan 2021 16:44:00 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Bard Liao <yung-chuan.liao@...ux.intel.com>
Cc:     gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        linux-acpi@...r.kernel.org, heikki.krogerus@...ux.intel.com,
        rafael@...nel.org, bard.liao@...el.com
Subject: Re: [PATCH 1/2] Revert "device property: Keep secondary firmware
 node secondary by type"

On Tue, Jan 05, 2021 at 05:11:45PM +0800, Bard Liao wrote:
> While the commit d5dcce0c414f ("device property: Keep secondary firmware
> node secondary by type")
> describes everything correct in its commit message the change it made does
> the opposite and original commit c15e1bdda436 ("device property: Fix the
> secondary firmware node handling in set_primary_fwnode()") was fully
> correct. Thus, revert the former one here and improve documentation in
> the next patch.

Thanks for catching this!
Yes, my bad that I have misinterpreted Heikki's idea.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

> Fixes: d5dcce0c414f ("device property: Keep secondary firmware node secondary by type")
> Signed-off-by: Bard Liao <yung-chuan.liao@...ux.intel.com>
> ---
>  drivers/base/core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/base/core.c b/drivers/base/core.c
> index 25e08e5f40bd..51b9545a050b 100644
> --- a/drivers/base/core.c
> +++ b/drivers/base/core.c
> @@ -4433,7 +4433,7 @@ void set_primary_fwnode(struct device *dev, struct fwnode_handle *fwnode)
>  		if (fwnode_is_primary(fn)) {
>  			dev->fwnode = fn->secondary;
>  			if (!(parent && fn == parent->fwnode))
> -				fn->secondary = ERR_PTR(-ENODEV);
> +				fn->secondary = NULL;
>  		} else {
>  			dev->fwnode = NULL;
>  		}
> -- 
> 2.17.1
> 

-- 
With Best Regards,
Andy Shevchenko