linux-kernel - [PATCH] regulator: ab3100: cast fix

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Date:	Thu, 23 Jan 2014 15:20:01 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>, linux-kernel@...r.kernel.org
Cc:	Lee Jones <lee.jones@...aro.org>,
	Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH] regulator: ab3100: cast fix

The AB3100 regulator driver emits a warning when compiled on 64bit
systems like this:

drivers/regulator/ab3100.c:
In function ‘ab3100_regulator_of_probe’:
srivers/regulator/ab3100.c:649:4:
warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]

As the int is a different size than the 64bit pointer used to
pass regulator data. Switch to using an unsigned long as ID
passed for the regulator to get rid of the warning.

Reported-by: Lee Jones <lee.jones@...aro.org>
Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
---
 drivers/regulator/ab3100.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c
index 77b46d0b37a6..e10febe9ec34 100644
--- a/drivers/regulator/ab3100.c
+++ b/drivers/regulator/ab3100.c
@@ -498,7 +498,7 @@ static int ab3100_regulator_register(struct platform_device *pdev,
 				     struct ab3100_platform_data *plfdata,
 				     struct regulator_init_data *init_data,
 				     struct device_node *np,
-				     int id)
+				     unsigned long id)
 {
 	struct regulator_desc *desc;
 	struct ab3100_regulator *reg;
@@ -646,7 +646,7 @@ ab3100_regulator_of_probe(struct platform_device *pdev, struct device_node *np)
 		err = ab3100_regulator_register(
 			pdev, NULL, ab3100_regulator_matches[i].init_data,
 			ab3100_regulator_matches[i].of_node,
-			(int) ab3100_regulator_matches[i].driver_data);
+			(unsigned long)ab3100_regulator_matches[i].driver_data);
 		if (err) {
 			ab3100_regulators_remove(pdev);
 			return err;
-- 
1.8.4.2

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