linux-kernel - Re: [PATCH] platform: Do not complain for platform_data added by platform_device_add

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Message-ID: <d82e647a0904161706o1285219dja9c89d71190d173@mail.gmail.com>
Date:	Fri, 17 Apr 2009 08:06:23 +0800
From:	Ming Lei <tom.leiming@...il.com>
To:	Atsushi Nemoto <anemo@....ocn.ne.jp>
Cc:	Greg Kroah-Hartman <gregkh@...e.de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] platform: Do not complain for platform_data added by 
	platform_device_add_data()

2009/4/16 Atsushi Nemoto <anemo@....ocn.ne.jp>:
> The commit ce21c7bc ("driver core: fix passing platform_data") added
> an error message "foo: use which platform_data?", but this is normal
> if platform_device_add_data() was used.
>
> Do not print the error message if pdev->platform_data and
> pdev->dev.platform_data have same value.
>
> Signed-off-by: Atsushi Nemoto <anemo@....ocn.ne.jp>

Acked-by: Ming Lei <tom.leiming@...il.com>

> ---
>  drivers/base/platform.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/base/platform.c b/drivers/base/platform.c
> index d2198f6..f984376 100644
> --- a/drivers/base/platform.c
> +++ b/drivers/base/platform.c
> @@ -253,7 +253,8 @@ int platform_device_add(struct platform_device *pdev)
>        * long time, so we allow the two cases coexist to make
>        * this kind of fix more easily*/
>        if (pdev->platform_data && pdev->dev.platform_data) {
> -               printk(KERN_ERR
> +               if (pdev->platform_data != pdev->dev.platform_data)
> +                       printk(KERN_ERR
>                               "%s: use which platform_data?\n",
>                               dev_name(&pdev->dev));
>        } else if (pdev->platform_data) {
> --
> 1.5.6.3
>
>



-- 
Lei Ming
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