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dfu:core: Export dfu_{get|free}_buf functions 

Define the dfu_get_buf() and dfu_free_buf() as global functions.
They are necessary for zero copy buffer management, when DFU backend is
used for storing data.

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
This commit is contained in:
Lukasz Majewski 2013-10-08 14:30:39 +02:00 committed by Marek Vasut
parent c7365a5f07
commit f57399da30
2 changed files with 4 additions and 2 deletions
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4
drivers/dfu/dfu.c
View File

@ -67,14 +67,14 @@ int dfu_init_env_entities(char *interface, int dev)
static unsigned char *dfu_buf;
static unsigned long dfu_buf_size = CONFIG_SYS_DFU_DATA_BUF_SIZE;
static unsigned char *dfu_free_buf(void)
unsigned char *dfu_free_buf(void)
{
free(dfu_buf);
dfu_buf = NULL;
return dfu_buf;
}
static unsigned char *dfu_get_buf(void)
unsigned char *dfu_get_buf(void)
{
char *s;

2
include/dfu.h
View File

@ -129,6 +129,8 @@ void dfu_trigger_reset(void);
int dfu_get_alt(char *name);
bool dfu_reset(void);
int dfu_init_env_entities(char *interface, int dev);
unsigned char *dfu_get_buf(void);
unsigned char *dfu_free_buf(void);
int dfu_read(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
int dfu_write(struct dfu_entity *de, void *buf, int size, int blk_seq_num);