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Date: Mon, 14 Apr 2014 13:46:17 +0200
From: Robert Baldyga <r.baldyga@...sung.com>
To: unlisted-recipients:; (no To-header on input)
Cc: robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
rob@...dley.net, myungjoo.ham@...sung.com, cw00.choi@...sung.com,
dbaryshkov@...il.com, dwmw2@...radead.org, balbi@...com,
gregkh@...uxfoundation.org, grant.likely@...aro.org,
ldewangan@...dia.com, kishon@...com, gg@...mlogic.co.uk,
anton@...msg.org, jonghwa3.lee@...sung.com, rongjun.ying@....com,
linux@...ck-us.net, devicetree@...r.kernel.org,
linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
patches@...nsource.wolfsonmicro.com, linux-usb@...r.kernel.org,
linux-omap@...r.kernel.org, aaro.koskinen@....fi,
m.szyprowski@...sung.com, t.figa@...sung.com,
Robert Baldyga <r.baldyga@...sung.com>
Subject: [PATCH v2 06/13] extcon: extcon-class: remove unused functions
This patch removes two functions, extcon_find_cable_index() and
extcon_get_edev_by_phandle(). They are not longer needed, since
extcon client API has changed to be oriented on extcon_cable instead
of extcon_dev.
Signed-off-by: Robert Baldyga <r.baldyga@...sung.com>
---
drivers/extcon/extcon-class.c | 67 -----------------------------------------
include/linux/extcon.h | 18 -----------
2 files changed, 85 deletions(-)
diff --git a/drivers/extcon/extcon-class.c b/drivers/extcon/extcon-class.c
index cd830b0..40a33e2 100644
--- a/drivers/extcon/extcon-class.c
+++ b/drivers/extcon/extcon-class.c
@@ -283,32 +283,6 @@ int extcon_set_state(struct extcon_dev *edev, u32 state)
EXPORT_SYMBOL_GPL(extcon_set_state);
/**
- * extcon_find_cable_index() - Get the cable index based on the cable name.
- * @edev: the extcon device that has the cable.
- * @cable_name: cable name to be searched.
- *
- * Note that accessing a cable state based on cable_index is faster than
- * cable_name because using cable_name induces a loop with strncmp().
- * Thus, when get/set_cable_state is repeatedly used, using cable_index
- * is recommended.
- */
-int extcon_find_cable_index(struct extcon_dev *edev, const char *cable_name)
-{
- int i;
-
- if (edev->supported_cable) {
- for (i = 0; edev->supported_cable[i]; i++) {
- if (!strncmp(edev->supported_cable[i],
- cable_name, CABLE_NAME_MAX))
- return i;
- }
- }
-
- return -EINVAL;
-}
-EXPORT_SYMBOL_GPL(extcon_find_cable_index);
-
-/**
* extcon_get_cable_state_() - Get the status of a specific cable.
* @edev: the extcon device that has the cable.
* @index: cable index that can be retrieved by extcon_find_cable_index().
@@ -923,47 +897,6 @@ void extcon_dev_unregister(struct extcon_dev *edev)
}
EXPORT_SYMBOL_GPL(extcon_dev_unregister);
-#ifdef CONFIG_OF
-/*
- * extcon_get_edev_by_phandle - Get the extcon device from devicetree
- * @dev - instance to the given device
- * @index - index into list of extcon_dev
- *
- * return the instance of extcon device
- */
-struct extcon_dev *extcon_get_edev_by_phandle(struct device *dev, int index)
-{
- struct device_node *node;
- struct extcon_dev *edev;
-
- if (!dev->of_node) {
- dev_err(dev, "device does not have a device node entry\n");
- return ERR_PTR(-EINVAL);
- }
-
- node = of_parse_phandle(dev->of_node, "extcon", index);
- if (!node) {
- dev_err(dev, "failed to get phandle in %s node\n",
- dev->of_node->full_name);
- return ERR_PTR(-ENODEV);
- }
-
- edev = of_extcon_get_extcon_dev(node);
- if (!edev) {
- dev_err(dev, "unable to get extcon device : %s\n", node->name);
- return ERR_PTR(-ENODEV);
- }
-
- return edev;
-}
-#else
-struct extcon_dev *extcon_get_edev_by_phandle(struct device *dev, int index)
-{
- return ERR_PTR(-ENOSYS);
-}
-#endif /* CONFIG_OF */
-EXPORT_SYMBOL_GPL(extcon_get_edev_by_phandle);
-
static int __init extcon_class_init(void)
{
return create_extcon_class();
diff --git a/include/linux/extcon.h b/include/linux/extcon.h
index bc680a9..28e60fb 100644
--- a/include/linux/extcon.h
+++ b/include/linux/extcon.h
@@ -210,8 +210,6 @@ extern int extcon_update_state(struct extcon_dev *edev, u32 mask, u32 state);
* They are used to access the status of each cable based on the cable_name
tt or cable_index, which is retrieved by extcon_find_cable_index
*/
-extern int extcon_find_cable_index(struct extcon_dev *sdev,
- const char *cable_name);
extern int extcon_get_cable_state_(struct extcon_dev *edev, int cable_index);
extern int extcon_set_cable_state_(struct extcon_dev *edev,
int cable_index, bool cable_state);
@@ -255,11 +253,6 @@ extern int extcon_register_notifier(struct extcon_dev *edev,
extern int extcon_unregister_notifier(struct extcon_dev *edev,
struct notifier_block *nb);
-/*
- * Following API get the extcon device from devicetree.
- * This function use phandle of devicetree to get extcon device directly.
- */
-extern struct extcon_dev *extcon_get_edev_by_phandle(struct device *dev, int index);
#else /* CONFIG_EXTCON */
static inline int extcon_dev_register(struct extcon_dev *edev)
{
@@ -284,12 +277,6 @@ static inline int extcon_update_state(struct extcon_dev *edev, u32 mask,
return 0;
}
-static inline int extcon_find_cable_index(struct extcon_dev *edev,
- const char *cable_name)
-{
- return 0;
-}
-
static inline int extcon_get_cable_state_(struct extcon_dev *edev,
int cable_index)
{
@@ -351,10 +338,5 @@ static inline int extcon_unregister_interest(struct extcon_cable_nb
return 0;
}
-static inline struct extcon_dev *extcon_get_edev_by_phandle(struct device *dev,
- int index)
-{
- return ERR_PTR(-ENODEV);
-}
#endif /* CONFIG_EXTCON */
#endif /* __LINUX_EXTCON_H__ */
--
1.7.9.5
--
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