linux-kernel - [PATCH] thermal: x86_pkg_temp: drop const for thermal_zone

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Date:	Tue,  3 Mar 2015 15:30:50 +0000
From:	Javi Merino <javi.merino@....com>
To:	Zhang Rui <rui.zhang@...el.com>,
	Eduardo Valentin <edubezval@...il.com>
Cc:	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
	Javi Merino <javi.merino@....com>,
	Jean Delvare <jdelvare@...e.de>
Subject: [PATCH] thermal: x86_pkg_temp: drop const for thermal_zone_parameters

8754d5115693 ("thermal: introduce the Power Allocator governor") dropped
the const attribute in the struct thermal_zone_device.  That means that
the thermal_zone_params pointer passed to thermal_zone_device_register()
also lost the const qualifier.  Drop the const in x86_pkg_temp_thermal.c
as well to avoid the following warning as reported by the kbuild test
robot:

   drivers/thermal/x86_pkg_temp_thermal.c: In function 'pkg_temp_thermal_device_add':
>> drivers/thermal/x86_pkg_temp_thermal.c:450:31: warning: passing argument 6 of 'thermal_zone_device_register' discards 'const' qualifier from pointer target type
       phy_dev_entry, &tzone_ops, &pkg_temp_tz_params, 0, 0);
                                  ^
   In file included from drivers/thermal/x86_pkg_temp_thermal.c:30:0:
   include/linux/thermal.h:378:29: note: expected 'struct thermal_zone_params *' but argument is of type 'const struct thermal_zone_params *'
    struct thermal_zone_device *thermal_zone_device_register(const char *, int, int,
                                ^

Cc: Jean Delvare <jdelvare@...e.de>
Cc: Zhang Rui <rui.zhang@...el.com>
Cc: Eduardo Valentin <edubezval@...il.com>
Signed-off-by: Javi Merino <javi.merino@....com>
---

This patch fixes a compiler warning in the "linus" branch of Eduardo's
tree found by the kbuild test robot.

 drivers/thermal/x86_pkg_temp_thermal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/thermal/x86_pkg_temp_thermal.c b/drivers/thermal/x86_pkg_temp_thermal.c
index 9ea3d9d49ffc..50d1d2cb091a 100644
--- a/drivers/thermal/x86_pkg_temp_thermal.c
+++ b/drivers/thermal/x86_pkg_temp_thermal.c
@@ -68,7 +68,7 @@ struct phy_dev_entry {
 	struct thermal_zone_device *tzone;
 };
 
-static const struct thermal_zone_params pkg_temp_tz_params = {
+static struct thermal_zone_params pkg_temp_tz_params = {
 	.no_hwmon	= true,
 };
 
-- 
1.9.1

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