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Commit 7ef9f9a4 authored by Prasanna S. Panchamukhi's avatar Prasanna S. Panchamukhi Committed by Inaky Perez-Gonzalez
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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: default avatarPrasanna S. Panchamukhi <prasannax.s.panchamukhi@intel.com>
parent 8a3a1b65

drivers/net/wimax/i2400m/usb.c

+7 −0
Original line number Diff line number Diff line
@@ -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;