diff options
Diffstat (limited to 'drivers/staging/most/dim2/hal.c')
| -rw-r--r-- | drivers/staging/most/dim2/hal.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/staging/most/dim2/hal.c b/drivers/staging/most/dim2/hal.c index 17c04e1c5e62..699e02f83bd4 100644 --- a/drivers/staging/most/dim2/hal.c +++ b/drivers/staging/most/dim2/hal.c @@ -760,7 +760,8 @@ static u8 init_ctrl_async(struct dim_channel *ch, u8 type, u8 is_tx, if (!check_channel_address(ch_address)) return DIM_INIT_ERR_CHANNEL_ADDRESS; - ch->dbr_size = ROUND_UP_TO(hw_buffer_size, DBR_BLOCK_SIZE); + if (!ch->dbr_size) + ch->dbr_size = ROUND_UP_TO(hw_buffer_size, DBR_BLOCK_SIZE); ch->dbr_addr = alloc_dbr(ch->dbr_size); if (ch->dbr_addr >= DBR_SIZE) return DIM_INIT_ERR_OUT_OF_MEMORY; @@ -846,7 +847,8 @@ u8 dim_init_isoc(struct dim_channel *ch, u8 is_tx, u16 ch_address, if (!check_packet_length(packet_length)) return DIM_ERR_BAD_CONFIG; - ch->dbr_size = packet_length * ISOC_DBR_FACTOR; + if (!ch->dbr_size) + ch->dbr_size = packet_length * ISOC_DBR_FACTOR; ch->dbr_addr = alloc_dbr(ch->dbr_size); if (ch->dbr_addr >= DBR_SIZE) return DIM_INIT_ERR_OUT_OF_MEMORY; @@ -873,7 +875,8 @@ u8 dim_init_sync(struct dim_channel *ch, u8 is_tx, u16 ch_address, if (!check_bytes_per_frame(bytes_per_frame)) return DIM_ERR_BAD_CONFIG; - ch->dbr_size = bytes_per_frame << bd_factor; + if (!ch->dbr_size) + ch->dbr_size = bytes_per_frame << bd_factor; ch->dbr_addr = alloc_dbr(ch->dbr_size); if (ch->dbr_addr >= DBR_SIZE) return DIM_INIT_ERR_OUT_OF_MEMORY; |