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[1/5] bus: arm-ccn: Fix node->XP config conversion

Message ID 1430501790-26918-2-git-send-email-pawel.moll@arm.com (mailing list archive)
State New, archived
Headers show

Commit Message

Pawel Moll May 1, 2015, 5:36 p.m. UTC 
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>
---
 drivers/bus/arm-ccn.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/bus/arm-ccn.c b/drivers/bus/arm-ccn.c
index aaa0f2a..60397ec 100644
--- a/drivers/bus/arm-ccn.c
+++ b/drivers/bus/arm-ccn.c
@@ -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);
 }