linux-kernel - Re: [PATCH 08/16] powerpc: ps3: use dev_groups and not dev_attrs for bus

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Date:   Wed, 7 Jun 2017 12:17:51 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Geoff Levand <geoff@...radead.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH 08/16] powerpc: ps3: use dev_groups and not dev_attrs for
 bus_type

On Tue, Jun 06, 2017 at 09:22:13PM +0200, Greg Kroah-Hartman wrote:
> The dev_attrs field has long been "depreciated" and is finally being
> removed, so move the driver to use the "correct" dev_groups field
> instead for struct bus_type.
> 
> Cc: Geoff Levand <geoff@...radead.org>
> Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> Cc: Paul Mackerras <paulus@...ba.org>
> Cc: Michael Ellerman <mpe@...erman.id.au>
> Cc: <linuxppc-dev@...ts.ozlabs.org>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> ---
>  arch/powerpc/platforms/ps3/system-bus.c | 10 ++++++----
>  1 file changed, 6 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c
> index 2d2e5f80a3d3..3e98b4ea3df9 100644
> --- a/arch/powerpc/platforms/ps3/system-bus.c
> +++ b/arch/powerpc/platforms/ps3/system-bus.c
> @@ -471,11 +471,13 @@ static ssize_t modalias_show(struct device *_dev, struct device_attribute *a,
>  
>  	return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
>  }
> +static DEVICE_ATTR_RO(modalias);
>  
> -static struct device_attribute ps3_system_bus_dev_attrs[] = {
> -	__ATTR_RO(modalias),
> -	__ATTR_NULL,
> +static struct attribute *ps3_system_bus_dev_attrs[] = {
> +	&dev_attr_modalias.attr,
> +	NULL,
>  };
> +ATTRIBUTE_GROUPS(ps3_system_bus);

This should be:
ATTRIBUTE_GROUPS(ps3_system_bus_dev);

I've fixed it up and am now running it through 0-day.

thanks,

greg k-h