[1/3] ASoC: Intel: Skylake: remove comparison always false warning
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Message ID 20200707192310.98663-2-pierre-louis.bossart@linux.intel.com
State New
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  • ASoC: Clean-up W=1 build warnings��� - part3
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Commit Message

Pierre-Louis Bossart July 7, 2020, 7:23 p.m. UTC
Fix W=1 warnings:

skl-sst-dsp.c: In function ‘skl_dsp_get_enabled_cores’:
include/linux/bits.h:26:28: warning: comparison of unsigned expression
< 0 is always false [-Wtype-limits]

cast the core number to a long to avoid checking if an unsigned value
is lower than zero.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
 sound/soc/intel/skylake/skl-sst-dsp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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diff --git a/sound/soc/intel/skylake/skl-sst-dsp.c b/sound/soc/intel/skylake/skl-sst-dsp.c
index 225706d148d8..cb83b395f210 100644
--- a/sound/soc/intel/skylake/skl-sst-dsp.c
+++ b/sound/soc/intel/skylake/skl-sst-dsp.c
@@ -52,7 +52,7 @@  unsigned int skl_dsp_get_enabled_cores(struct sst_dsp *ctx)
 	unsigned int core_mask, en_cores_mask;
 	u32 val;
-	core_mask = SKL_DSP_CORES_MASK(skl->cores.count);
+	core_mask = SKL_DSP_CORES_MASK((long)skl->cores.count);
 	val = sst_dsp_shim_read_unlocked(ctx, SKL_ADSP_REG_ADSPCS);