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dmaengine: of_dma: Correct return code for of_dma_request_slave_channel in case !CONFIG_OF

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of_dma_request_slave_channel should return either pointer for valid
dma_chan or ERR_PTR() error code, NULL is not expected to be returned.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Peter Ujfalusi 2015-11-03 12:28:10 +02:00 committed by Vinod Koul
parent bf55555baa
commit 500404ebcb
1 changed files with 1 additions and 1 deletions
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2
include/linux/of_dma.h
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@ -80,7 +80,7 @@ static inline int of_dma_router_register(struct device_node *np,
static inline struct dma_chan *of_dma_request_slave_channel(struct device_node *np,
const char *name)
{
return NULL;
return ERR_PTR(-ENODEV);
}
static inline struct dma_chan *of_dma_simple_xlate(struct of_phandle_args *dma_spec,