From: Greg Kroah-Hartman <greg@kroah.com>
Date: Tue, 28 Oct 2014 01:27:50 +0000 (+0800)
Subject: greybus: kernel_ver.h: add ATTRIBUTE_GROUPS() macro for older kernels
X-Git-Tag: v4.9-rc1~119^2~378^2~21^2~1953^2~4
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=f348964c266c6b2db80af8b7a75a6f9ef566f1c3;p=karo-tx-linux.git

greybus: kernel_ver.h: add ATTRIBUTE_GROUPS() macro for older kernels

This was added in 3.11, and we need it for 3.10

Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
---

diff --git a/drivers/staging/greybus/kernel_ver.h b/drivers/staging/greybus/kernel_ver.h
index e0fea182c3b5..e4cda5ce65fa 100644
--- a/drivers/staging/greybus/kernel_ver.h
+++ b/drivers/staging/greybus/kernel_ver.h
@@ -48,4 +48,19 @@ static inline void gb_gpiochip_remove(struct gpio_chip *chip)
 }
 #endif
 
+/*
+ * ATTRIBUTE_GROUPS showed up in 3.11-rc2, but we need to build on 3.10, so add
+ * it here.
+ */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,11,0)
+#define ATTRIBUTE_GROUPS(name)					\
+static const struct attribute_group name##_group = {		\
+	.attrs = name##_attrs,					\
+};								\
+static const struct attribute_group *name##_groups[] = {	\
+	&name##_group,						\
+	NULL,							\
+}
+#endif
+
 #endif	/* __GREYBUS_KERNEL_VER_H */