Commit a18f8e97 authored Apr 02, 2015 by Pawel Moll

bus: arm-ccn: Fix node->XP config conversion



Events defined as watchpoints on nodes must have their config values
converted so that they apply to the respective node's XP. The
function setting new values was using wrong mask for the "port" field,
resulting in corrupted value. Fixed now.

Cc: stable@vger.kernel.org # 3.17+
Signed-off-by: Pawel Moll <pawel.moll@arm.com>

parent b787f68c

drivers/bus/arm-ccn.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -212,7 +212,7 @@ static int arm_ccn_node_to_xp_port(int node)

		static void arm_ccn_pmu_config_set(u64 *config, u32 node_xp, u32 type, u32 port)
		{
		*config &= ~((0xff << 0) \| (0xff << 8) \| (0xff << 24));
		*config &= ~((0xff << 0) \| (0xff << 8) \| (0x3 << 24));
		*config \|= (node_xp << 0) \| (type << 8) \| (port << 24);
		}