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Diffstat (limited to 'drivers/dfu')
-rw-r--r--drivers/dfu/dfu.c24
-rw-r--r--drivers/dfu/dfu_mmc.c8
2 files changed, 13 insertions, 19 deletions
diff --git a/drivers/dfu/dfu.c b/drivers/dfu/dfu.c
index 14cb366..ad0a7e7 100644
--- a/drivers/dfu/dfu.c
+++ b/drivers/dfu/dfu.c
@@ -17,7 +17,6 @@
#include <linux/list.h>
#include <linux/compiler.h>
-static bool dfu_detach_request;
static LIST_HEAD(dfu_list);
static int dfu_alt_num;
static int alt_num_cnt;
@@ -39,21 +38,6 @@ __weak bool dfu_usb_get_reset(void)
return true;
}
-bool dfu_detach(void)
-{
- return dfu_detach_request;
-}
-
-void dfu_trigger_detach(void)
-{
- dfu_detach_request = true;
-}
-
-void dfu_clear_detach(void)
-{
- dfu_detach_request = false;
-}
-
static int dfu_find_alt_num(const char *s)
{
int i = 0;
@@ -111,8 +95,12 @@ unsigned char *dfu_get_buf(struct dfu_entity *dfu)
return dfu_buf;
s = getenv("dfu_bufsiz");
- dfu_buf_size = s ? (unsigned long)simple_strtol(s, NULL, 16) :
- CONFIG_SYS_DFU_DATA_BUF_SIZE;
+ if (s)
+ dfu_buf_size = (unsigned long)simple_strtol(s, NULL, 0);
+
+ if (!s || !dfu_buf_size)
+ dfu_buf_size = CONFIG_SYS_DFU_DATA_BUF_SIZE;
+
if (dfu->max_buf_size && dfu_buf_size > dfu->max_buf_size)
dfu_buf_size = dfu->max_buf_size;
diff --git a/drivers/dfu/dfu_mmc.c b/drivers/dfu/dfu_mmc.c
index 72fa03e..62d72fe 100644
--- a/drivers/dfu/dfu_mmc.c
+++ b/drivers/dfu/dfu_mmc.c
@@ -40,10 +40,16 @@ static int mmc_access_part(struct dfu_entity *dfu, struct mmc *mmc, int part)
static int mmc_block_op(enum dfu_op op, struct dfu_entity *dfu,
u64 offset, void *buf, long *len)
{
- struct mmc *mmc = find_mmc_device(dfu->data.mmc.dev_num);
+ struct mmc *mmc;
u32 blk_start, blk_count, n = 0;
int ret, part_num_bkp = 0;
+ mmc = find_mmc_device(dfu->data.mmc.dev_num);
+ if (!mmc) {
+ error("Device MMC %d - not found!", dfu->data.mmc.dev_num);
+ return -ENODEV;
+ }
+
/*
* We must ensure that we work in lba_blk_size chunks, so ALIGN
* this value.