1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/net/wimax/i2400m/sdio.c b/drivers/net/wimax/i2400m/sdio.c
index 7632f80954e3..9bfc26e1bc6b 100644
--- a/drivers/net/wimax/i2400m/sdio.c
+++ b/drivers/net/wimax/i2400m/sdio.c
@@ -483,6 +483,13 @@ int i2400ms_probe(struct sdio_func *func,
         sdio_set_drvdata(func, i2400ms);
 
         i2400m->bus_tx_block_size = I2400MS_BLK_SIZE;
+        /*
+         * Room required in the TX queue for SDIO message to accommodate
+         * a smallest payload while allocating header space is 224 bytes,
+         * which is the smallest message size(the block size 256 bytes)
+         * minus the smallest message header size(32 bytes).
+         */
+        i2400m->bus_tx_room_min = I2400MS_BLK_SIZE - I2400M_PL_ALIGN * 2;
         i2400m->bus_pl_size_max = I2400MS_PL_SIZE_MAX;
         i2400m->bus_setup = i2400ms_bus_setup;
         i2400m->bus_dev_start = i2400ms_bus_dev_start;