From 7ef9f9a4ee47b8d8ab9519647ba02fc700473be8 Mon Sep 17 00:00:00 2001 From: "Prasanna S. Panchamukhi" Date: Tue, 13 Apr 2010 16:36:33 -0700 Subject: wimax/i2400m: USB specific TX queue's minimum buffer room required for new message 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 --- drivers/net/wimax/i2400m/usb.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c index d8c4d6497fdf..6fd8cf541d08 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; -- cgit v1.2.3