From: Ben Skeggs <darktama@iinet.net.au>
Date: Tue, 21 Nov 2006 00:41:46 +0000 (+1100)
Subject: Don't spam dmesg if PMC_INTSTAT is 0
X-Git-Tag: libdrm-2.3.1~456^2~7^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=adf71cb29b72b7d199f737b7b00eb7e80939ea4b;p=platform%2Fupstream%2Flibdrm.git

Don't spam dmesg if PMC_INTSTAT is 0
---

diff --git a/shared-core/nouveau_irq.c b/shared-core/nouveau_irq.c
index 9131125..160016e 100644
--- a/shared-core/nouveau_irq.c
+++ b/shared-core/nouveau_irq.c
@@ -385,6 +385,8 @@ irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS)
 	uint32_t status;
 
 	status = NV_READ(NV_PMC_INTSTAT);
+	if (!status)
+		return IRQ_NONE;
 
 	DRM_DEBUG("PMC INTSTAT: 0x%08x\n", status);