OMAP: DSS2: Collect interrupt statistics

Collect interrupt statistics, printable via debugfs:

debugfs/omapdss/dispc_irq
debugfs/omapdss/dsi_irq

The counters are reset when printed.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/video/omap2/dss/Kconfig b/drivers/video/omap2/dss/Kconfig
index 71d8dec30635..c63ce767b277 100644
--- a/drivers/video/omap2/dss/Kconfig
+++ b/drivers/video/omap2/dss/Kconfig
@@ -25,6 +25,13 @@ config OMAP2_DSS_DEBUG_SUPPORT
           This enables debug messages. You need to enable printing
           with 'debug' module parameter.
 
+config OMAP2_DSS_COLLECT_IRQ_STATS
+        bool "Collect DSS IRQ statistics"
+        depends on OMAP2_DSS_DEBUG_SUPPORT
+        default n
+        help
+          Collect DSS IRQ statistics, printable via debugfs
+
 config OMAP2_DSS_RFBI
         bool "RFBI support"
         default n