From: Ben Skeggs <bskeggs@redhat.com>
Date: Thu, 22 Nov 2012 02:49:42 +0000 (+1000)
Subject: drm/nouveau/mc: allow calling of multiple handlers for a give intr bit
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=e0cdd1e5451efb46515804550aa7eaa9672b0cf0;p=~shefty%2Frdma-dev.git

drm/nouveau/mc: allow calling of multiple handlers for a give intr bit

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---

diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/base.c b/drivers/gpu/drm/nouveau/core/subdev/mc/base.c
index de5721cfc4c..8379aafa6e1 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/mc/base.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/mc/base.c
@@ -30,20 +30,20 @@ nouveau_mc_intr(struct nouveau_subdev *subdev)
 	struct nouveau_mc *pmc = nouveau_mc(subdev);
 	const struct nouveau_mc_intr *map = pmc->intr_map;
 	struct nouveau_subdev *unit;
-	u32 stat;
+	u32 stat, intr;
 
-	stat = nv_rd32(pmc, 0x000100);
+	intr = stat = nv_rd32(pmc, 0x000100);
 	while (stat && map->stat) {
 		if (stat & map->stat) {
 			unit = nouveau_subdev(subdev, map->unit);
 			if (unit && unit->intr)
 				unit->intr(unit);
-			stat &= ~map->stat;
+			intr &= ~map->stat;
 		}
 		map++;
 	}
 
-	if (stat) {
+	if (intr) {
 		nv_error(pmc, "unknown intr 0x%08x\n", stat);
 	}
 }