2 files changed, 14 insertions, 13 deletions

diff --git a/drivers/bus/arm-cci.c b/drivers/bus/arm-cci.c
index 962fd35cbd8d..5a86da97a70b 100644
--- a/drivers/bus/arm-cci.c
+++ b/drivers/bus/arm-cci.c
@@ -31,7 +31,6 @@
 
 #define DRIVER_NAME             "CCI-400"
 #define DRIVER_NAME_PMU         DRIVER_NAME " PMU"
-#define PMU_NAME                "CCI_400"
 
 #define CCI_PORT_CTRL           0x0
 #define CCI_CTRL_STATUS         0xc
@@ -88,8 +87,7 @@ static unsigned long cci_ctrl_phys;
 
 #define CCI_REV_R0              0
 #define CCI_REV_R1              1
-#define CCI_REV_R0_P4           4
-#define CCI_REV_R1_P2           6
+#define CCI_REV_R1_PX           5
 
 #define CCI_PMU_EVT_SEL         0x000
 #define CCI_PMU_CNTR            0x004
@@ -163,6 +161,15 @@ static struct pmu_port_event_ranges port_event_range[] = {
         },
 };
 
+/*
+ * Export different PMU names for the different revisions so userspace knows
+ * because the event ids are different
+ */
+static char *const pmu_names[] = {
+        [CCI_REV_R0] = "CCI_400",
+        [CCI_REV_R1] = "CCI_400_r1",
+};
+
 struct cci_pmu_drv_data {
         void __iomem *base;
         struct arm_pmu *cci_pmu;
@@ -193,21 +200,16 @@ static int probe_cci_revision(void)
         rev = readl_relaxed(cci_ctrl_base + CCI_PID2) & CCI_PID2_REV_MASK;
         rev >>= CCI_PID2_REV_SHIFT;
 
-        if (rev <= CCI_REV_R0_P4)
+        if (rev < CCI_REV_R1_PX)
                 return CCI_REV_R0;
-        else if (rev <= CCI_REV_R1_P2)
+        else
                 return CCI_REV_R1;
-
-        return -ENOENT;
 }
 
 static struct pmu_port_event_ranges *port_range_by_rev(void)
 {
         int rev = probe_cci_revision();
 
-        if (rev < 0)
-                return NULL;
-
         return &port_event_range[rev];
 }
 
@@ -526,7 +528,7 @@ static void pmu_write_counter(struct perf_event *event, u32 value)
 static int cci_pmu_init(struct arm_pmu *cci_pmu, struct platform_device *pdev)
 {
         *cci_pmu = (struct arm_pmu){
-                .name             = PMU_NAME,
+                .name             = pmu_names[probe_cci_revision()],
                 .max_period       = (1LLU << 32) - 1,
                 .get_hw_events    = pmu_get_hw_events,
                 .get_event_idx    = pmu_get_event_idx,
diff --git a/drivers/bus/mvebu-mbus.c b/drivers/bus/mvebu-mbus.c
index 2ac754e18bcf..293e2e0a0a87 100644
--- a/drivers/bus/mvebu-mbus.c
+++ b/drivers/bus/mvebu-mbus.c
@@ -890,13 +890,12 @@ int __init mvebu_mbus_dt_init(void)
         const __be32 *prop;
         int ret;
 
-        np = of_find_matching_node(NULL, of_mvebu_mbus_ids);
+        np = of_find_matching_node_and_match(NULL, of_mvebu_mbus_ids, &of_id);
         if (!np) {
                 pr_err("could not find a matching SoC family\n");
                 return -ENODEV;
         }
 
-        of_id = of_match_node(of_mvebu_mbus_ids, np);
         mbus_state.soc = of_id->data;
 
         prop = of_get_property(np, "controller", NULL);