dmaengine: imx-sdma: Return a proper error code in platform_get_irq()
There is no need to return a 'fake' value upon platform_get_irq() failure. Just propagate the real error instead. Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com> Signed-off-by: NVinod Koul <vinod.koul@intel.com>
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