1 files changed, 0 insertions, 284 deletions

diff --git a/drivers/staging/greybus/kernel_ver.h b/drivers/staging/greybus/kernel_ver.h
index 97e7ac9498fd..eda948545917 100644
--- a/drivers/staging/greybus/kernel_ver.h
+++ b/drivers/staging/greybus/kernel_ver.h
@@ -22,49 +22,6 @@
 #define CORE_OWNS_PSY_STRUCT
 #endif
 
-#ifndef __ATTR_WO
-#define __ATTR_WO(_name) {						\
-	.attr	= { .name = __stringify(_name), .mode = S_IWUSR },	\
-	.store	= _name##_store,					\
-}
-#endif
-
-#ifndef __ATTR_RW
-#define __ATTR_RW(_name) __ATTR(_name, (S_IWUSR | S_IRUGO),		\
-				_name##_show, _name##_store)
-#endif
-
-#ifndef DEVICE_ATTR_RO
-#define DEVICE_ATTR_RO(_name) \
-	struct device_attribute dev_attr_##_name = __ATTR_RO(_name)
-#endif
-
-#ifndef DEVICE_ATTR_WO
-#define DEVICE_ATTR_WO(_name) \
-	struct device_attribute dev_attr_##_name = __ATTR_WO(_name)
-#endif
-
-#ifndef DEVICE_ATTR_RW
-#define DEVICE_ATTR_RW(_name) \
-	struct device_attribute dev_attr_##_name = __ATTR_RW(_name)
-#endif
-
-#ifndef U8_MAX
-#define U8_MAX	((u8)~0U)
-#endif /* ! U8_MAX */
-
-#ifndef U16_MAX
-#define U16_MAX	((u16)(~0U))
-#endif /* !U16_MAX */
-
-#ifndef U32_MAX
-#define U32_MAX	((u32)(~0U))
-#endif /* !U32_MAX */
-
-#ifndef U64_MAX
-#define U64_MAX	((u64)(~0U))
-#endif /* !U64_MAX */
-
 /*
  * The GPIO api sucks rocks in places, like removal, so work around their
  * explicit requirements of catching the return value for kernels older than
@@ -87,54 +44,6 @@ 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)
-#include <linux/sysfs.h>
-
-#define ATTRIBUTE_GROUPS(name)					\
-static const struct attribute_group name##_group = {		\
-	.attrs = name##_attrs,					\
-};								\
-static const struct attribute_group *name##_groups[] = {	\
-	&name##_group,						\
-	NULL,							\
-}
-
-static inline int sysfs_create_groups(struct kobject *kobj,
-				      const struct attribute_group **groups)
-{
-	int error = 0;
-	int i;
-
-	if (!groups)
-		return 0;
-
-	for (i = 0; groups[i]; i++) {
-		error = sysfs_create_group(kobj, groups[i]);
-		if (error) {
-			while (--i >= 0)
-				sysfs_remove_group(kobj, groups[i]);
-			break;
-		}
-	}
-	return error;
-}
-
-static inline void sysfs_remove_groups(struct kobject *kobj,
-				       const struct attribute_group **groups)
-{
-	int i;
-
-	if (!groups)
-		return;
-	for (i = 0; groups[i]; i++)
-		sysfs_remove_group(kobj, groups[i]);
-}
-#endif
-
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0)
 #define MMC_HS400_SUPPORTED
 #define MMC_DDR52_DEFINED
@@ -148,110 +57,6 @@ static inline void sysfs_remove_groups(struct kobject *kobj,
 #define MMC_POWER_UNDEFINED_SUPPORTED
 #endif
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0)
-#include <linux/scatterlist.h>
-static inline bool sg_miter_get_next_page(struct sg_mapping_iter *miter)
-{
-	if (!miter->__remaining) {
-		struct scatterlist *sg;
-		unsigned long pgoffset;
-
-		if (!__sg_page_iter_next(&miter->piter))
-			return false;
-
-		sg = miter->piter.sg;
-		pgoffset = miter->piter.sg_pgoffset;
-
-		miter->__offset = pgoffset ? 0 : sg->offset;
-		miter->__remaining = sg->offset + sg->length -
-				(pgoffset << PAGE_SHIFT) - miter->__offset;
-		miter->__remaining = min_t(unsigned long, miter->__remaining,
-					   PAGE_SIZE - miter->__offset);
-	}
-
-	return true;
-}
-
-static inline bool sg_miter_skip(struct sg_mapping_iter *miter, off_t offset)
-{
-	sg_miter_stop(miter);
-
-	while (offset) {
-		off_t consumed;
-
-		if (!sg_miter_get_next_page(miter))
-			return false;
-
-		consumed = min_t(off_t, offset, miter->__remaining);
-		miter->__offset += consumed;
-		miter->__remaining -= consumed;
-		offset -= consumed;
-	}
-
-	return true;
-}
-
-static inline size_t _sg_copy_buffer(struct scatterlist *sgl,
-				     unsigned int nents, void *buf,
-				     size_t buflen, off_t skip,
-				     bool to_buffer)
-{
-	unsigned int offset = 0;
-	struct sg_mapping_iter miter;
-	unsigned long flags;
-	unsigned int sg_flags = SG_MITER_ATOMIC;
-
-	if (to_buffer)
-		sg_flags |= SG_MITER_FROM_SG;
-	else
-		sg_flags |= SG_MITER_TO_SG;
-
-	sg_miter_start(&miter, sgl, nents, sg_flags);
-
-	if (!sg_miter_skip(&miter, skip))
-		return false;
-
-	local_irq_save(flags);
-
-	while (sg_miter_next(&miter) && offset < buflen) {
-		unsigned int len;
-
-		len = min(miter.length, buflen - offset);
-
-		if (to_buffer)
-			memcpy(buf + offset, miter.addr, len);
-		else
-			memcpy(miter.addr, buf + offset, len);
-
-		offset += len;
-	}
-
-	sg_miter_stop(&miter);
-
-	local_irq_restore(flags);
-	return offset;
-}
-
-static inline size_t sg_pcopy_to_buffer(struct scatterlist *sgl,
-					unsigned int nents, void *buf,
-					size_t buflen, off_t skip)
-{
-	return _sg_copy_buffer(sgl, nents, buf, buflen, skip, true);
-}
-
-static inline size_t sg_pcopy_from_buffer(struct scatterlist *sgl,
-					  unsigned int nents, void *buf,
-					  size_t buflen, off_t skip)
-{
-	return _sg_copy_buffer(sgl, nents, buf, buflen, skip, false);
-}
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
-#define list_last_entry(ptr, type, member) \
-	list_entry((ptr)->prev, type, member)
-#endif
-
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)
 /*
  * At this time the internal API for the set brightness was changed to the async
@@ -273,19 +78,6 @@ static inline size_t sg_pcopy_from_buffer(struct scatterlist *sgl,
 #define LED_HAVE_SET_BLOCKING
 #endif
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 19, 0)
-/*
- * From this version upper it was introduced the possibility to disable led
- * sysfs entries to handle control of the led device to v4l2, which was
- * implemented later. So, before that this should return false.
- */
-#include <linux/leds.h>
-static inline bool led_sysfs_is_disabled(struct led_classdev *led_cdev)
-{
-	return false;
-}
-#endif
-
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0)
 /*
  * New helper functions for registering/unregistering flash led devices as v4l2
@@ -329,82 +121,6 @@ static inline bool led_sysfs_is_disabled(struct led_classdev *led_cdev)
 #define SPI_CORE_SUPPORT_PM
 #endif
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
-/**
- * reinit_completion - reinitialize a completion structure
- * @x:  pointer to completion structure that is to be reinitialized
- *
- * This inline function should be used to reinitialize a completion structure
- * so it can be reused. This is especially important after complete_all() is
- * used.
- */
-static inline void reinit_completion(struct completion *x)
-{
-	x->done = 0;
-}
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 3, 0)
-#include <linux/pwm.h>
-/*
- * pwm_is_enabled() was first defined in 4.3.
- * PWMF_ENABLED was first defined in 3.5-rc2, but our code is
- * always newer than that.
-*/
-static inline bool pwm_is_enabled(const struct pwm_device *pwm)
-{
-	return test_bit(PWMF_ENABLED, &pwm->flags);
-}
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 6, 0)
-/**
- * kstrtobool - convert common user inputs into boolean values
- * @s: input string
- * @res: result
- *
- * This routine returns 0 iff the first character is one of 'Yy1Nn0', or
- * [oO][NnFf] for "on" and "off". Otherwise it will return -EINVAL.  Value
- * pointed to by res is updated upon finding a match.
- */
-static inline int kstrtobool(const char *s, bool *res)
-{
-	if (!s)
-		return -EINVAL;
-
-	switch (s[0]) {
-	case 'y':
-	case 'Y':
-	case '1':
-		*res = true;
-		return 0;
-	case 'n':
-	case 'N':
-	case '0':
-		*res = false;
-		return 0;
-	case 'o':
-	case 'O':
-		switch (s[1]) {
-		case 'n':
-		case 'N':
-			*res = true;
-			return 0;
-		case 'f':
-		case 'F':
-			*res = false;
-			return 0;
-		default:
-			break;
-		}
-	default:
-		break;
-	}
-
-	return -EINVAL;
-}
-#endif
-
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)
 /*
  * After commit b2b49ccbdd54 (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is