From: Prasanna S. Panchamukhi <prasannax.s.panchamukhi at intel.com> This patch specifies the TX queue's buffer room required by the USB bus driver while allocating header space for a new message. Please refer the documentation in the code. Signed-off-by: Prasanna S. Panchamukhi <prasannax.s.panchamukhi at intel.com> --- drivers/net/wimax/i2400m/usb.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c index d8c4d64..6fd8cf5 100644 --- a/drivers/net/wimax/i2400m/usb.c +++ b/drivers/net/wimax/i2400m/usb.c @@ -467,6 +467,13 @@ int i2400mu_probe(struct usb_interface *iface, usb_set_intfdata(iface, i2400mu); i2400m->bus_tx_block_size = I2400MU_BLK_SIZE; + /* + * Room required in the Tx queue for USB message to accommodate + * a smallest payload while allocating header space is 16 bytes. + * Adding this room for the new tx message increases the + * possibilities of including any payload with size <= 16 bytes. + */ + i2400m->bus_tx_room_min = I2400MU_BLK_SIZE; i2400m->bus_pl_size_max = I2400MU_PL_SIZE_MAX; i2400m->bus_setup = NULL; i2400m->bus_dev_start = i2400mu_bus_dev_start; -- 1.6.6.1
