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path: root/drivers/nvmem/core.c
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Diffstat (limited to 'drivers/nvmem/core.c')
-rw-r--r--drivers/nvmem/core.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index 62d363a399d3..b3bc30a04ed7 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -180,6 +180,7 @@ static const char * const nvmem_type_str[] = {
[NVMEM_TYPE_EEPROM] = "EEPROM",
[NVMEM_TYPE_OTP] = "OTP",
[NVMEM_TYPE_BATTERY_BACKED] = "Battery backed",
+ [NVMEM_TYPE_FRAM] = "FRAM",
};
#ifdef CONFIG_DEBUG_LOCK_ALLOC
@@ -359,6 +360,9 @@ static int nvmem_sysfs_setup_compat(struct nvmem_device *nvmem,
if (!config->base_dev)
return -EINVAL;
+ if (config->type == NVMEM_TYPE_FRAM)
+ bin_attr_nvmem_eeprom_compat.attr.name = "fram";
+
nvmem->eeprom = bin_attr_nvmem_eeprom_compat;
nvmem->eeprom.attr.mode = nvmem_bin_attr_get_umode(nvmem);
nvmem->eeprom.size = nvmem->size;
@@ -686,15 +690,17 @@ static int nvmem_add_cells_from_of(struct nvmem_device *nvmem)
continue;
if (len < 2 * sizeof(u32)) {
dev_err(dev, "nvmem: invalid reg on %pOF\n", child);
+ of_node_put(child);
return -EINVAL;
}
cell = kzalloc(sizeof(*cell), GFP_KERNEL);
- if (!cell)
+ if (!cell) {
+ of_node_put(child);
return -ENOMEM;
+ }
cell->nvmem = nvmem;
- cell->np = of_node_get(child);
cell->offset = be32_to_cpup(addr++);
cell->bytes = be32_to_cpup(addr);
cell->name = kasprintf(GFP_KERNEL, "%pOFn", child);
@@ -715,11 +721,12 @@ static int nvmem_add_cells_from_of(struct nvmem_device *nvmem)
cell->name, nvmem->stride);
/* Cells already added will be freed later. */
kfree_const(cell->name);
- of_node_put(cell->np);
kfree(cell);
+ of_node_put(child);
return -EINVAL;
}
+ cell->np = of_node_get(child);
nvmem_cell_add(cell);
}
@@ -1608,9 +1615,9 @@ int nvmem_cell_read_u64(struct device *dev, const char *cell_id, u64 *val)
}
EXPORT_SYMBOL_GPL(nvmem_cell_read_u64);
-static void *nvmem_cell_read_variable_common(struct device *dev,
- const char *cell_id,
- size_t max_len, size_t *len)
+static const void *nvmem_cell_read_variable_common(struct device *dev,
+ const char *cell_id,
+ size_t max_len, size_t *len)
{
struct nvmem_cell *cell;
int nbits;
@@ -1654,7 +1661,7 @@ int nvmem_cell_read_variable_le_u32(struct device *dev, const char *cell_id,
u32 *val)
{
size_t len;
- u8 *buf;
+ const u8 *buf;
int i;
buf = nvmem_cell_read_variable_common(dev, cell_id, sizeof(*val), &len);
@@ -1685,7 +1692,7 @@ int nvmem_cell_read_variable_le_u64(struct device *dev, const char *cell_id,
u64 *val)
{
size_t len;
- u8 *buf;
+ const u8 *buf;
int i;
buf = nvmem_cell_read_variable_common(dev, cell_id, sizeof(*val), &len);