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OMAP: DSS2: DSI: fix IRQ debug prints 

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@ti.com>
This commit is contained in:
Tomi Valkeinen 2011-03-02 15:53:07 +02:00
parent 773b30b22f
commit d80d499ed9
1 changed files with 9 additions and 0 deletions
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9
drivers/video/omap2/dss/dsi.c
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@ -409,6 +409,9 @@ 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;
@ -444,6 +447,9 @@ 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;
@ -470,6 +476,9 @@ 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) \