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Message-ID: <lsq.1510009382.357088977@decadent.org.uk>
Date: Mon, 06 Nov 2017 23:03:02 +0000
From: Ben Hutchings <ben@...adent.org.uk>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC: akpm@...ux-foundation.org, "Mark Brown" <broonie@...aro.org>,
"Arnd Bergmann" <arnd@...db.de>,
"Lars-Peter Clausen" <lars@...afoo.de>
Subject: [PATCH 3.16 223/294] ASoC: adau1977: Fix truncation warning on 64
bit architectures
3.16.50-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: Mark Brown <broonie@...aro.org>
commit d8df26bb57d2a86365de46a5421b97417401e39a upstream.
Negating ADAU1977_BLOCK_POWER_SAI_LDO_EN creates an unsigned long constant
with all bits set which on 64 bit architectures needs to be truncated to
an unsigned int, generating a warning. Add an explicit cast since we know
this is OK.
Signed-off-by: Mark Brown <broonie@...aro.org>
Acked-by: Lars-Peter Clausen <lars@...afoo.de>
Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
sound/soc/codecs/adau1977.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/sound/soc/codecs/adau1977.c
+++ b/sound/soc/codecs/adau1977.c
@@ -968,7 +968,7 @@ int adau1977_probe(struct device *dev, s
if (adau1977->dvdd_reg)
power_off_mask = ~0;
else
- power_off_mask = ~ADAU1977_BLOCK_POWER_SAI_LDO_EN;
+ power_off_mask = (unsigned int)~ADAU1977_BLOCK_POWER_SAI_LDO_EN;
ret = regmap_update_bits(adau1977->regmap, ADAU1977_REG_BLOCK_POWER_SAI,
power_off_mask, 0x00);
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