[PATCH 8/8] powerpc/topology: Fix spurr attribute permission
Benjamin Herrenschmidt
benh at kernel.crashing.org
Mon May 6 18:02:59 EST 2013
On Mon, 2013-05-06 at 16:50 +1000, Benjamin Herrenschmidt wrote:
> We are registering the attribute with permission 0600 but it
> doesn't have a store callback, which causes WARN_ON's during
> boot. Fix the permission.
Ignore the 8/8 in the subject, that's just me not cleaning
things up properly :-)
Cheers,
Ben.
> Signed-off-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>
> ---
> arch/powerpc/kernel/sysfs.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
> index 3ce1f86..e68a845 100644
> --- a/arch/powerpc/kernel/sysfs.c
> +++ b/arch/powerpc/kernel/sysfs.c
> @@ -180,7 +180,7 @@ SYSFS_PMCSETUP(dscr, SPRN_DSCR);
> SYSFS_PMCSETUP(pir, SPRN_PIR);
>
> static DEVICE_ATTR(mmcra, 0600, show_mmcra, store_mmcra);
> -static DEVICE_ATTR(spurr, 0600, show_spurr, NULL);
> +static DEVICE_ATTR(spurr, 0400, show_spurr, NULL);
> static DEVICE_ATTR(dscr, 0600, show_dscr, store_dscr);
> static DEVICE_ATTR(purr, 0600, show_purr, store_purr);
> static DEVICE_ATTR(pir, 0400, show_pir, NULL);
>
>
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