Commit Graph

6 Commits

Author SHA1 Message Date
Arvind Yadav 1dad2e958a hwmon: (ftsteutates) constify i2c_device_id
i2c_device_id are not supposed to change at runtime. All functions
working with i2c_device_id provided by <linux/i2c.h> work with
const i2c_device_id. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2017-08-29 17:44:23 -07:00
Thilo Cestonaro 7576750f03 hwmon: (ftsteutates) Fix clearing alarm sysfs entries
sysfs store functions should return the number of bytes written.
Returning zero results in an endless loop.

Fixes: 08426eda58 ("hwmon: Add driver for FTS BMC chip "Teutates"")
Signed-off-by: Thilo Cestonaro <thilo.cestonaro@ts.fujitsu.com>
[groeck: Clean up documentation change and description]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2017-08-13 08:24:01 -07:00
Thilo Cestonaro 2d5aee433d hwmon: (ftsteutates) Add i2c detect functionality
Signed-off-by: Thilo Cestonaro <thilo@cestona.ro>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2016-09-08 21:34:16 -07:00
Guenter Roeck 4c8702b3cd hwmon: (ftsteutates) Fix potential memory access error
Using set_bit() to set a bit in an integer is not a good idea, since
the function expects an unsigned long as argument, which can be 64 bit
wide. Coverity reports this problem as

>>>     CID 1364488:  Memory - illegal accesses  (INCOMPATIBLE_CAST)
>>>     Pointer "&ret" points to an object whose effective type is "int"
>>>	(32 bits, signed) but is dereferenced as a wider "unsigned
+long" (64 bits, unsigned).  This may lead to memory corruption.
245                     set_bit(1, (unsigned long *)&ret);

Just use BIT instead.

Cc: Thilo Cestonaro <thilo@cestona.ro>
Fixes: 08426eda58 ("hwmon: Add driver for FTS BMC chip "Teutates"")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2016-07-31 15:02:51 -07:00
Wei Yongjun c55374cd86 hwmon: (ftsteutates) Remove unused including <linux/version.h>
Remove including <linux/version.h> that don't need it.

Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2016-07-20 07:12:12 -07:00
Thilo Cestonaro 08426eda58 hwmon: Add driver for FTS BMC chip "Teutates"
This driver implements hardware monitoring and watchdog support
for the FTS BMC Chip "Teutates".

Signed-off-by: Thilo Cestonaro <thilo@cestona.ro>
[groeck: Updated subject and description; fixed dependencies]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2016-07-20 06:29:54 -07:00