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-rw-r--r--drivers/staging/most/hdm-dim2/dim2_hal.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/staging/most/hdm-dim2/dim2_hal.c b/drivers/staging/most/hdm-dim2/dim2_hal.c
index 0c58ab86281f..11abce7818b3 100644
--- a/drivers/staging/most/hdm-dim2/dim2_hal.c
+++ b/drivers/staging/most/hdm-dim2/dim2_hal.c
@@ -49,6 +49,8 @@
#define DBR_SIZE (16 * 1024) /* specified by IP */
#define DBR_BLOCK_SIZE (DBR_SIZE / 32 / DBR_MAP_SIZE)
+#define ROUND_UP_TO(x, d) (((x) + (d) - 1) / (d) * (d))
+
/* -------------------------------------------------------------------------- */
/* generic helper functions and macros */
@@ -698,7 +700,7 @@ 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 = hw_buffer_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;