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dmaengine: edma: fix build without CONFIG_OF

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During the edma rework, a build error was introduced for the
case that CONFIG_OF is disabled:

drivers/built-in.o: In function `edma_tc_set_pm_state':
:(.text+0x43bf0): undefined reference to `of_find_device_by_node'

As the edma_tc_set_pm_state() function does nothing in case
we are running without OF, this adds an IS_ENABLED() check
that turns the function into an empty stub then and avoids the
link error.

Signed-off-by: Arnd Bergmann <[email protected]>
Fixes: ca304fa9bb ("ARM/dmaengine: edma: Public API to use private struct pointer")
Acked-by: Peter Ujfalusi <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
This commit is contained in:
Arnd Bergmann 2015-11-03 15:00:57 +01:00 • committed by Vinod Koul
commit 638bdc8ce8
1 changed files with 1 additions and 1 deletions
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2
drivers/dma/edma.c
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@ -1565,7 +1565,7 @@ static void edma_tc_set_pm_state(struct edma_tc *tc, bool enable)
struct platform_device *tc_pdev;
int ret;
if (!tc)
if (!IS_ENABLED(CONFIG_OF) || !tc)
return;
tc_pdev = of_find_device_by_node(tc->node);