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mfd: syscon: Include errno.h from header

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The syscon header uses the ENOTSUPP error constant, but doesn't
include the header that defines it. This causes a build error
after the imx pinctrl driver started using syscon:

include/linux/mfd/syscon.h: In function 'syscon_node_to_regmap':
include/linux/mfd/syscon.h:32:18: error: 'ENOTSUPP' undeclared (first use in this function)
  return ERR_PTR(-ENOTSUPP);
                  ^~~~~~~~

This adds the missing #include.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 8626ada871f1 ("pinctrl: imx: attach iomuxc device to gpr syscon")
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Arnd Bergmann 2016-03-23 11:36:53 +01:00 committed by Lee Jones
parent ee414de525
commit adae28c59a
1 changed files with 1 additions and 0 deletions
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include/linux/mfd/syscon.h
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@ -16,6 +16,7 @@
#define __LINUX_MFD_SYSCON_H__
#include <linux/err.h>
#include <linux/errno.h>
struct device_node;