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path: root/drivers/misc/sram.c
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Diffstat (limited to 'drivers/misc/sram.c')
-rw-r--r--drivers/misc/sram.c29
1 files changed, 15 insertions, 14 deletions
diff --git a/drivers/misc/sram.c b/drivers/misc/sram.c
index 99413310956b..c98ff8aa221c 100644
--- a/drivers/misc/sram.c
+++ b/drivers/misc/sram.c
@@ -10,8 +10,8 @@
#include <linux/genalloc.h>
#include <linux/io.h>
#include <linux/list_sort.h>
+#include <linux/of.h>
#include <linux/of_address.h>
-#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/slab.h>
@@ -23,12 +23,13 @@
#define SRAM_GRANULARITY 32
static ssize_t sram_read(struct file *filp, struct kobject *kobj,
- struct bin_attribute *attr,
+ const struct bin_attribute *attr,
char *buf, loff_t pos, size_t count)
{
struct sram_partition *part;
- part = container_of(attr, struct sram_partition, battr);
+ /* Cast away the const as the attribute is part of a larger structure */
+ part = (struct sram_partition *)container_of(attr, struct sram_partition, battr);
mutex_lock(&part->lock);
memcpy_fromio(buf, part->base + pos, count);
@@ -38,12 +39,13 @@ static ssize_t sram_read(struct file *filp, struct kobject *kobj,
}
static ssize_t sram_write(struct file *filp, struct kobject *kobj,
- struct bin_attribute *attr,
+ const struct bin_attribute *attr,
char *buf, loff_t pos, size_t count)
{
struct sram_partition *part;
- part = container_of(attr, struct sram_partition, battr);
+ /* Cast away the const as the attribute is part of a larger structure */
+ part = (struct sram_partition *)container_of(attr, struct sram_partition, battr);
mutex_lock(&part->lock);
memcpy_toio(part->base + pos, buf, count);
@@ -164,8 +166,8 @@ static void sram_free_partitions(struct sram_dev *sram)
static int sram_reserve_cmp(void *priv, const struct list_head *a,
const struct list_head *b)
{
- struct sram_reserve *ra = list_entry(a, struct sram_reserve, list);
- struct sram_reserve *rb = list_entry(b, struct sram_reserve, list);
+ const struct sram_reserve *ra = list_entry(a, struct sram_reserve, list);
+ const struct sram_reserve *rb = list_entry(b, struct sram_reserve, list);
return ra->start - rb->start;
}
@@ -235,10 +237,11 @@ static int sram_reserve_regions(struct sram_dev *sram, struct resource *res)
goto err_chunks;
}
if (!label)
- label = child->name;
-
- block->label = devm_kstrdup(sram->dev,
- label, GFP_KERNEL);
+ block->label = devm_kasprintf(sram->dev, GFP_KERNEL,
+ "%s", of_node_full_name(child));
+ else
+ block->label = devm_kstrdup(sram->dev,
+ label, GFP_KERNEL);
if (!block->label) {
ret = -ENOMEM;
goto err_chunks;
@@ -434,7 +437,7 @@ err_free_partitions:
return ret;
}
-static int sram_remove(struct platform_device *pdev)
+static void sram_remove(struct platform_device *pdev)
{
struct sram_dev *sram = platform_get_drvdata(pdev);
@@ -442,8 +445,6 @@ static int sram_remove(struct platform_device *pdev)
if (sram->pool && gen_pool_avail(sram->pool) < gen_pool_size(sram->pool))
dev_err(sram->dev, "removed while SRAM allocated\n");
-
- return 0;
}
static struct platform_driver sram_driver = {