From 63642595a78da42f841fabcc3f309f4c1362dc40 Mon Sep 17 00:00:00 2001 From: Pierre-Louis Bossart Date: Mon, 31 Aug 2020 21:43:17 +0800 Subject: [PATCH] soundwire: add definition for maximum number of ports A Device may have at most 15 physical ports (DP0, DP1..DP14). Signed-off-by: Pierre-Louis Bossart Signed-off-by: Bard Liao Reviewed-by: Rander Wang Reviewed-by: Guennadi Liakhovetski Link: https://lore.kernel.org/r/20200831134318.11443-3-yung-chuan.liao@linux.intel.com Signed-off-by: Vinod Koul --- include/linux/soundwire/sdw.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h index 76052f12c9f7..0aa4c6af7554 100644 --- a/include/linux/soundwire/sdw.h +++ b/include/linux/soundwire/sdw.h @@ -38,7 +38,8 @@ struct sdw_slave; #define SDW_FRAME_CTRL_BITS 48 #define SDW_MAX_DEVICES 11 -#define SDW_VALID_PORT_RANGE(n) ((n) <= 14 && (n) >= 1) +#define SDW_MAX_PORTS 15 +#define SDW_VALID_PORT_RANGE(n) ((n) < SDW_MAX_PORTS && (n) >= 1) enum { SDW_PORT_DIRN_SINK = 0,