Commit 93bf344f authored by Gil Fine's avatar Gil Fine Committed by Mika Westerberg
Browse files

thunderbolt: Fix buffer allocation of devices with no DisplayPort adapters 



For the case of a device without DisplayPort adapters we calculate
incorrectly the amount of buffers. Fix the calculation for this case.

Signed-off-by: default avatarGil Fine <gil.fine@intel.com>
Signed-off-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
parent 8e1de704

drivers/thunderbolt/tunnel.c

+5 −2
Original line number Diff line number Diff line
@@ -102,8 +102,11 @@ static unsigned int tb_available_credits(const struct tb_port *port, 
		 * Maximum number of DP streams possible through the

		 * lane adapter.

		 */

		if (sw->min_dp_aux_credits + sw->min_dp_main_credits)

			ndp = (credits - (usb3 + pcie + spare)) /

			      (sw->min_dp_aux_credits + sw->min_dp_main_credits);

		else

			ndp = 0;

	} else {

		ndp = 0;

	}