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ASoC: xtfpga-i2s: Add missing __rcu annotation 

tx_substeam is accessed using the RCU API and hence should have the __rcu
annotation. Fixes the following sparse warnings:

	sound/soc/xtensa/xtfpga-i2s.c:165:24: error: incompatible types in
		comparison expression (different address spaces)
	sound/soc/xtensa/xtfpga-i2s.c:165:24: error: 'struct snd_pcm_substream
		[noderef] <asn:4>*' versus
	sound/soc/xtensa/xtfpga-i2s.c:165:24: error: 'struct snd_pcm_substream *'
	sound/soc/xtensa/xtfpga-i2s.c:255:24: error: incompatible types in
		comparison expression (different address spaces)
	sound/soc/xtensa/xtfpga-i2s.c:255:24: error: 'struct snd_pcm_substream
		[noderef] <asn:4>*' versus
	sound/soc/xtensa/xtfpga-i2s.c:255:24: error: 'struct snd_pcm_substream *'

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Lars-Peter Clausen 2015-07-27 10:56:28 +02:00 committed by Mark Brown
parent 36e914cc4b
commit d32e03f0b6
1 changed files with 1 additions and 1 deletions
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2
sound/soc/xtensa/xtfpga-i2s.c
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@ -75,7 +75,7 @@ struct xtfpga_i2s {
* stream in the pcm_close callback it synchronizes with the interrupt
* handler by means of synchronize_rcu call.
*/
struct snd_pcm_substream *tx_substream;
struct snd_pcm_substream __rcu *tx_substream;
unsigned (*tx_fn)(struct xtfpga_i2s *i2s,
struct snd_pcm_runtime *runtime,
unsigned tx_ptr);