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| author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2011-03-02 15:53:07 +0200 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2011-03-15 14:24:19 +0530 |
| commit | d80d499ed926e70b429d309360f5910d5ad54788 (patch) | |
| tree | 1251cba699201fed8eb94d7e822d64d4f8ca6359 /drivers/video | |
| parent | 773b30b22f8c5ac4ccc52775c17809cc5826cb86 (diff) | |
| download | linux-d80d499ed926e70b429d309360f5910d5ad54788.tar.gz linux-d80d499ed926e70b429d309360f5910d5ad54788.tar.bz2 linux-d80d499ed926e70b429d309360f5910d5ad54788.zip | |
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>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | 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 37226628bc0f..0a7f1a47f8e3 100644 --- a/drivers/video/omap2/dss/dsi.c +++ b/drivers/video/omap2/dss/dsi.c @@ -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) \ |