From 277bd320e7dd8b77de6d3b6b9757b08fcca0108b Mon Sep 17 00:00:00 2001
From: Oliver Hartkopp <socketcan@hartkopp.net>
Date: Wed, 2 Apr 2014 20:25:27 +0200
Subject: [PATCH] can: add documentation for CAN filter usage optimisation

To benefit from special filters for single SFF or single EFF CAN identifier
subscriptions the CAN_EFF_FLAG bit and the CAN_RTR_FLAG bit has to be set
together with the CAN_(SFF|EFF)_MASK in can_filter.mask.

Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Reading git-format-patch failed