diff options
Diffstat (limited to 'driver/gator_events_l2c-310.c')
| -rw-r--r-- | driver/gator_events_l2c-310.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/driver/gator_events_l2c-310.c b/driver/gator_events_l2c-310.c index bd1c48a..197af04 100644 --- a/driver/gator_events_l2c-310.c +++ b/driver/gator_events_l2c-310.c @@ -26,8 +26,6 @@ static int l2c310_buffer[L2C310_COUNTERS_NUM * 2]; static void __iomem *l2c310_base; - - static void gator_events_l2c310_reset_counters(void) { u32 val = readl(l2c310_base + L2X0_EVENT_CNT_CTRL); @@ -37,9 +35,8 @@ static void gator_events_l2c310_reset_counters(void) writel(val, l2c310_base + L2X0_EVENT_CNT_CTRL); } - static int gator_events_l2c310_create_files(struct super_block *sb, - struct dentry *root) + struct dentry *root) { int i; @@ -52,11 +49,11 @@ static int gator_events_l2c310_create_files(struct super_block *sb, if (WARN_ON(!dir)) return -1; gatorfs_create_ulong(sb, dir, "enabled", - &l2c310_counters[i].enabled); + &l2c310_counters[i].enabled); gatorfs_create_ulong(sb, dir, "event", - &l2c310_counters[i].event); + &l2c310_counters[i].event); gatorfs_create_ro_ulong(sb, dir, "key", - &l2c310_counters[i].key); + &l2c310_counters[i].key); } return 0; @@ -73,7 +70,7 @@ static int gator_events_l2c310_start(void) /* Counter event sources */ for (i = 0; i < L2C310_COUNTERS_NUM; i++) writel((l2c310_counters[i].event & 0xf) << 2, - l2c310_base + l2x0_event_cntx_cfg[i]); + l2c310_base + l2x0_event_cntx_cfg[i]); gator_events_l2c310_reset_counters(); @@ -105,10 +102,10 @@ static int gator_events_l2c310_read(int **buffer) if (l2c310_counters[i].enabled) { l2c310_buffer[len++] = l2c310_counters[i].key; l2c310_buffer[len++] = readl(l2c310_base + - l2x0_event_cntx_val[i]); + l2x0_event_cntx_val[i]); } } - + /* l2c310 counters are saturating, not wrapping in case of overflow */ gator_events_l2c310_reset_counters(); @@ -176,4 +173,5 @@ int gator_events_l2c310_init(void) return gator_events_install(&gator_events_l2c310_interface); } + gator_events_init(gator_events_l2c310_init); |