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-rw-r--r--drivers/of/device.c75
1 files changed, 8 insertions, 67 deletions
diff --git a/drivers/of/device.c b/drivers/of/device.c
index 955bfb3d1a83..0f00f1b80708 100644
--- a/drivers/of/device.c
+++ b/drivers/of/device.c
@@ -1,5 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
-#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/of.h>
#include <linux/of_device.h>
@@ -9,7 +8,6 @@
#include <linux/dma-direct.h> /* for bus_dma_region */
#include <linux/dma-map-ops.h>
#include <linux/init.h>
-#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/slab.h>
#include <linux/platform_device.h>
@@ -248,68 +246,6 @@ const void *of_device_get_match_data(const struct device *dev)
}
EXPORT_SYMBOL(of_device_get_match_data);
-static ssize_t of_device_get_modalias(const struct device *dev, char *str, ssize_t len)
-{
- const char *compat;
- char *c;
- struct property *p;
- ssize_t csize;
- ssize_t tsize;
-
- if ((!dev) || (!dev->of_node) || dev->of_node_reused)
- return -ENODEV;
-
- /* Name & Type */
- /* %p eats all alphanum characters, so %c must be used here */
- csize = snprintf(str, len, "of:N%pOFn%c%s", dev->of_node, 'T',
- of_node_get_device_type(dev->of_node));
- tsize = csize;
- len -= csize;
- if (str)
- str += csize;
-
- of_property_for_each_string(dev->of_node, "compatible", p, compat) {
- csize = strlen(compat) + 1;
- tsize += csize;
- if (csize > len)
- continue;
-
- csize = snprintf(str, len, "C%s", compat);
- for (c = str; c; ) {
- c = strchr(c, ' ');
- if (c)
- *c++ = '_';
- }
- len -= csize;
- str += csize;
- }
-
- return tsize;
-}
-
-int of_device_request_module(struct device *dev)
-{
- char *str;
- ssize_t size;
- int ret;
-
- size = of_device_get_modalias(dev, NULL, 0);
- if (size < 0)
- return size;
-
- str = kmalloc(size + 1, GFP_KERNEL);
- if (!str)
- return -ENOMEM;
-
- of_device_get_modalias(dev, str, size);
- str[size] = '\0';
- ret = request_module(str);
- kfree(str);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(of_device_request_module);
-
/**
* of_device_modalias - Fill buffer with newline terminated modalias string
* @dev: Calling device
@@ -318,7 +254,12 @@ EXPORT_SYMBOL_GPL(of_device_request_module);
*/
ssize_t of_device_modalias(struct device *dev, char *str, ssize_t len)
{
- ssize_t sl = of_device_get_modalias(dev, str, len - 2);
+ ssize_t sl;
+
+ if (!dev || !dev->of_node || dev->of_node_reused)
+ return -ENODEV;
+
+ sl = of_modalias(dev->of_node, str, len - 2);
if (sl < 0)
return sl;
if (sl > len - 2)
@@ -383,8 +324,8 @@ int of_device_uevent_modalias(const struct device *dev, struct kobj_uevent_env *
if (add_uevent_var(env, "MODALIAS="))
return -ENOMEM;
- sl = of_device_get_modalias(dev, &env->buf[env->buflen-1],
- sizeof(env->buf) - env->buflen);
+ sl = of_modalias(dev->of_node, &env->buf[env->buflen-1],
+ sizeof(env->buf) - env->buflen);
if (sl < 0)
return sl;
if (sl >= (sizeof(env->buf) - env->buflen))