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dmaengine: ipu: use return value of request_irq 

Commit - 653e67f7e5: "dmaengine: inherit debug settings from the subsystem
for subdirectories" introduced debug option for subdirectories too
This exposed issue with ipu driver not using return value

For now just warn users about it

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
hifive-unleashed-5.1
Vinod Koul 2014-07-25 15:39:50 +05:30
parent e2f9922ad4
commit 37a746aaf5
1 changed files with 10 additions and 4 deletions
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14
drivers/dma/ipu/ipu_idmac.c
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@ -1532,11 +1532,17 @@ static int idmac_alloc_chan_resources(struct dma_chan *chan)
#ifdef DEBUG
if (chan->chan_id == IDMAC_IC_7) {
ic_sof = ipu_irq_map(69);
if (ic_sof > 0)
request_irq(ic_sof, ic_sof_irq, 0, "IC SOF", ichan);
if (ic_sof > 0) {
ret = request_irq(ic_sof, ic_sof_irq, 0, "IC SOF", ichan);
if (ret)
dev_err(&chan->dev->device, "request irq failed for IC SOF");
}
ic_eof = ipu_irq_map(70);
if (ic_eof > 0)
request_irq(ic_eof, ic_eof_irq, 0, "IC EOF", ichan);
if (ic_eof > 0) {
ret = request_irq(ic_eof, ic_eof_irq, 0, "IC EOF", ichan);
if (ret)
dev_err(&chan->dev->device, "request irq failed for IC EOF");
}
}
#endif