print_irq_status functions can be called with empty irq status when full
irq debugging is enabled. This patch makes print_irq_status functions
return immediately when given an empty irq status to lessen the debug
spam slightly.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
---
drivers/video/omap2/dss/dsi.c | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index ec5b879..f6733b5 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -412,6 +412,9 @@ static void dsi_perf_show(const char *name)
static void print_irq_status(u32 status)
{
+ if (status == 0)
+ return;
+
#ifndef VERBOSE_IRQ
if ((status & ~DSI_IRQ_CHANNEL_MASK) == 0)
return;
@@ -447,6 +450,9 @@ static void print_irq_status(u32 status)
static void print_irq_status_vc(int channel, u32 status)
{
+ if (status == 0)
+ return;
+
#ifndef VERBOSE_IRQ
if ((status & ~DSI_VC_IRQ_PACKET_SENT) == 0)
return;
@@ -473,6 +479,9 @@ static void print_irq_status_vc(int channel, u32 status)
static void print_irq_status_cio(u32 status)
{
+ if (status == 0)
+ return;
+
printk(KERN_DEBUG "DSI CIO IRQ 0x%x: ", status);
#define PIS(x) \
--
1.7.1
--
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