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dmaengine: mxs: remove NO_IRQ check 

The mxs_chan->chan_irq variable is guaranteed to never be NO_IRQ,
as it gets assigned the result of platform_get_irq() that returns
either a valid positive interrupt number, or a negative failure
code that leads to the channel not being used.

This removes the redundant check, eliminating one more instance
of NO_IRQ.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Arnd Bergmann 2016-09-03 01:01:06 +02:00 committed by Vinod Koul
parent 2d9e31b941
commit 028e84a1de
1 changed files with 4 additions and 6 deletions
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10
drivers/dma/mxs-dma.c
View File

@ -429,12 +429,10 @@ 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)