From: Benjamin Herrenschmidt Date: Mon, 6 May 2013 05:02:40 +0000 (+1000) Subject: powerpc/topology: Fix spurr attribute permission X-Git-Tag: firefly_0821_release~3680^2~475^2~26 X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=d5dae721308ac5d5db03bf3aebaa15fcdcfb4862;p=firefly-linux-kernel-4.4.55.git powerpc/topology: Fix spurr attribute permission 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. Signed-off-by: Benjamin Herrenschmidt --- diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c index 3ce1f864c2d3..e68a84568b8b 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);