linux-kernel - [PATCH] regulator: core: Fix cast to pointer from integer of different size warning

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Message-ID: <1344267859.9376.3.camel@phoenix>
Date:	Mon, 06 Aug 2012 23:44:19 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	Liam Girdwood <lrg@...com>, linux-kernel@...r.kernel.org
Subject: [PATCH] regulator: core: Fix cast to pointer from integer of
 different size warning

This is to address the following warning during compilation time: (Compile on x86_64)

  CC      drivers/regulator/core.o
drivers/regulator/core.c: In function '_regulator_do_set_voltage':
drivers/regulator/core.c:2183:10: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]

This patch adds a temporary variable to avoid double cast.

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/regulator/core.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index b28221a..5f22210 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -2179,9 +2179,12 @@ static int _regulator_do_set_voltage(struct regulator_dev *rdev,
 		}
 	}
 
-	if (ret == 0 && best_val >= 0)
+	if (ret == 0 && best_val >= 0) {
+		unsigned long data = best_val;
+
 		_notifier_call_chain(rdev, REGULATOR_EVENT_VOLTAGE_CHANGE,
-				     (void *)best_val);
+				     (void *)data);
+	}
 
 	trace_regulator_set_voltage_complete(rdev_get_name(rdev), best_val);
 
-- 
1.7.9.5



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