i2c: rcar: make sure irq is not threaded on Gen2 and earlier

[ Upstream commit 24c6d4bc563881539d2cd4433e502436ad87d512 ]

Ensure this irq runs as fast as possible.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
1 file changed