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-rw-r--r--drivers/net/fec_mxc.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c
index 9764e12..ad07307 100644
--- a/drivers/net/fec_mxc.c
+++ b/drivers/net/fec_mxc.c
@@ -55,6 +55,8 @@ struct fec_priv gfec = {
.tbd_base = NULL,
.tbd_index = 0,
.bd = NULL,
+ .rdb_ptr = NULL,
+ .base_ptr = NULL,
};
/*
@@ -230,7 +232,8 @@ static int fec_rbd_init(struct fec_priv *fec, int count, int size)
uint32_t p = 0;
/* reserve data memory and consider alignment */
- fec->rdb_ptr = malloc(size * count + DB_DATA_ALIGNMENT);
+ if (fec->rdb_ptr == NULL)
+ fec->rdb_ptr = malloc(size * count + DB_DATA_ALIGNMENT);
p = (uint32_t)fec->rdb_ptr;
if (!p) {
puts("fec_imx27: not enough malloc memory!\n");
@@ -365,8 +368,9 @@ static int fec_init(struct eth_device *dev, bd_t* bd)
* Datasheet forces the startaddress of each chain is 16 byte
* aligned
*/
- fec->base_ptr = malloc((2 + FEC_RBD_NUM) *
- sizeof(struct fec_bd) + DB_ALIGNMENT);
+ if (fec->base_ptr == NULL)
+ fec->base_ptr = malloc((2 + FEC_RBD_NUM) *
+ sizeof(struct fec_bd) + DB_ALIGNMENT);
base = (uint32_t)fec->base_ptr;
if (!base) {
puts("fec_imx27: not enough malloc memory!\n");
@@ -493,8 +497,6 @@ static void fec_halt(struct eth_device *dev)
writel(0, &fec->eth->ecntrl);
fec->rbd_index = 0;
fec->tbd_index = 0;
- free(fec->rdb_ptr);
- free(fec->base_ptr);
debug("eth_halt: done\n");
}