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ASoC: davinci-mcasp: Fix clang warning without CONFIG_PM

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Building with clang shows a variable that is only used by the
suspend/resume functions but defined outside of their #ifdef block:

sound/soc/ti/davinci-mcasp.c:48:12: error: variable 'context_regs' is not needed and will not be emitted

We commonly fix these by marking the PM functions as __maybe_unused,
but here that would grow the davinci_mcasp structure, so instead
add another #ifdef here.

Fixes: 1cc0c054f3 ("ASoC: davinci-mcasp: Convert the context save/restore to use array")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Arnd Bergmann 2019-03-07 11:11:30 +01:00 committed by Mark Brown
parent 825b22e596
commit 8ca5104715
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1 changed files with 2 additions and 0 deletions
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2
sound/soc/ti/davinci-mcasp.c
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@ -45,6 +45,7 @@
#define MCASP_MAX_AFIFO_DEPTH 64
#ifdef CONFIG_PM
static u32 context_regs[] = {
DAVINCI_MCASP_TXFMCTL_REG,
DAVINCI_MCASP_RXFMCTL_REG,
@ -68,6 +69,7 @@ struct davinci_mcasp_context {
u32 *xrsr_regs; /* for serializer configuration */
bool pm_state;
};
#endif
struct davinci_mcasp_ruledata {
struct davinci_mcasp *mcasp;