linux-kernel - linux-next: build failure after merge of the hwmon-staging tree

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Date:   Mon, 23 Mar 2020 10:37:53 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Grant Peltier <grantpeltier93@...il.com>
Subject: linux-next: build failure after merge of the hwmon-staging tree

Hi all,

After merging the hwmon-staging tree, today's linux-next build (x86_64
allmodconfig) failed like this:

drivers/hwmon/pmbus/isl68137.c: In function 'raa_dmpvr2_read_word_data':
drivers/hwmon/pmbus/isl68137.c:125:9: error: too few arguments to function 'pmbus_read_word_data'
  125 |   ret = pmbus_read_word_data(client, page, RAA_DMPVR2_READ_VMON);
      |         ^~~~~~~~~~~~~~~~~~~~
In file included from drivers/hwmon/pmbus/isl68137.c:19:
drivers/hwmon/pmbus/pmbus.h:466:5: note: declared here
  466 | int pmbus_read_word_data(struct i2c_client *client, int page, int phase,
      |     ^~~~~~~~~~~~~~~~~~~~
drivers/hwmon/pmbus/isl68137.c: In function 'isl68137_probe':
drivers/hwmon/pmbus/isl68137.c:199:24: error: assignment to 'int (*)(struct i2c_client *, int,  int,  int)' from incompatible pointer type 'int (*)(struct i2c_client *, int,  int)' [-Werror=incompatible-pointer-types]
  199 |   info->read_word_data = raa_dmpvr2_read_word_data;
      |                        ^
drivers/hwmon/pmbus/isl68137.c:203:24: error: assignment to 'int (*)(struct i2c_client *, int,  int,  int)' from incompatible pointer type 'int (*)(struct i2c_client *, int,  int)' [-Werror=incompatible-pointer-types]
  203 |   info->read_word_data = raa_dmpvr2_read_word_data;
      |                        ^
drivers/hwmon/pmbus/isl68137.c:206:24: error: assignment to 'int (*)(struct i2c_client *, int,  int,  int)' from incompatible pointer type 'int (*)(struct i2c_client *, int,  int)' [-Werror=incompatible-pointer-types]
  206 |   info->read_word_data = raa_dmpvr2_read_word_data;
      |                        ^
drivers/hwmon/pmbus/isl68137.c:216:24: error: assignment to 'int (*)(struct i2c_client *, int,  int,  int)' from incompatible pointer type 'int (*)(struct i2c_client *, int,  int)' [-Werror=incompatible-pointer-types]
  216 |   info->read_word_data = raa_dmpvr2_read_word_data;
      |                        ^

Caused by commit

  96c72647bc37 ("hwmon: (pmbus) add support for 2nd Gen Renesas digital multiphase")

I have used the version of the hwmon-staging from next-20200320 for today.

-- 
Cheers,
Stephen Rothwell

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