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authorVinod Koul <vinod.koul@intel.com>2016-10-03 05:48:29 +0200
committerVinod Koul <vinod.koul@intel.com>2016-10-03 05:48:29 +0200
commitf35d7633f5adfd7f93c0391b48ef78a14682e6b2 (patch)
tree1b78835a9a527c246385e0c003c145eea33a83d6 /drivers/dma
parentMerge branch 'topic/mv_xor' into for-linus (diff)
parentdmaengine: ipu: remove bogus NO_IRQ reference (diff)
downloadlinux-f35d7633f5adfd7f93c0391b48ef78a14682e6b2.tar.xz
linux-f35d7633f5adfd7f93c0391b48ef78a14682e6b2.zip
Merge branch 'topic/no_irq' into for-linus
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/ipu/ipu_irq.c9
-rw-r--r--drivers/dma/moxart-dma.c2
-rw-r--r--drivers/dma/mxs-dma.c10
-rw-r--r--drivers/dma/sirf-dma.c2
4 files changed, 10 insertions, 13 deletions
diff --git a/drivers/dma/ipu/ipu_irq.c b/drivers/dma/ipu/ipu_irq.c
index 2bf37e68ad0f..dd184b50e5b4 100644
--- a/drivers/dma/ipu/ipu_irq.c
+++ b/drivers/dma/ipu/ipu_irq.c
@@ -286,22 +286,21 @@ static void ipu_irq_handler(struct irq_desc *desc)
raw_spin_unlock(&bank_lock);
while ((line = ffs(status))) {
struct ipu_irq_map *map;
- unsigned int irq = NO_IRQ;
+ unsigned int irq;
line--;
status &= ~(1UL << line);
raw_spin_lock(&bank_lock);
map = src2map(32 * i + line);
- if (map)
- irq = map->irq;
- raw_spin_unlock(&bank_lock);
-
if (!map) {
+ raw_spin_unlock(&bank_lock);
pr_err("IPU: Interrupt on unmapped source %u bank %d\n",
line, i);
continue;
}
+ irq = map->irq;
+ raw_spin_unlock(&bank_lock);
generic_handle_irq(irq);
}
}
diff --git a/drivers/dma/moxart-dma.c b/drivers/dma/moxart-dma.c
index a6e642792e5a..e1a5c2242f6f 100644
--- a/drivers/dma/moxart-dma.c
+++ b/drivers/dma/moxart-dma.c
@@ -579,7 +579,7 @@ static int moxart_probe(struct platform_device *pdev)
return -ENOMEM;
irq = irq_of_parse_and_map(node, 0);
- if (irq == NO_IRQ) {
+ if (!irq) {
dev_err(dev, "no IRQ resource\n");
return -EINVAL;
}
diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c
index 50e64e113ffb..e217268c7098 100644
--- a/drivers/dma/mxs-dma.c
+++ b/drivers/dma/mxs-dma.c
@@ -428,12 +428,10 @@ static int mxs_dma_alloc_chan_resources(struct dma_chan *chan)
goto err_alloc;
}
- if (mxs_chan->chan_irq != NO_IRQ) {
- ret = request_irq(mxs_chan->chan_irq, mxs_dma_int_handler,
- 0, "mxs-dma", mxs_dma);
- if (ret)
- goto err_irq;
- }
+ ret = request_irq(mxs_chan->chan_irq, mxs_dma_int_handler,
+ 0, "mxs-dma", mxs_dma);
+ if (ret)
+ goto err_irq;
ret = clk_prepare_enable(mxs_dma->clk);
if (ret)
diff --git a/drivers/dma/sirf-dma.c b/drivers/dma/sirf-dma.c
index a96e4a480de5..8f62edad51be 100644
--- a/drivers/dma/sirf-dma.c
+++ b/drivers/dma/sirf-dma.c
@@ -866,7 +866,7 @@ static int sirfsoc_dma_probe(struct platform_device *op)
}
sdma->irq = irq_of_parse_and_map(dn, 0);
- if (sdma->irq == NO_IRQ) {
+ if (!sdma->irq) {
dev_err(dev, "Error mapping IRQ!\n");
return -EINVAL;
}