From 91080111f51f89760a0dcd859a4f68b936779fb6 Mon Sep 17 00:00:00 2001 From: Pierre-Louis Bossart Date: Tue, 17 Mar 2020 11:33:25 -0500 Subject: [PATCH] soundwire: cadence: remove PREQ_DELAY assignment The hardware default is 0x1F, and the existing code does an OR with 0xF. This is a no-op, remove. Signed-off-by: Pierre-Louis Bossart Link: https://lore.kernel.org/r/20200317163329.25501-14-pierre-louis.bossart@linux.intel.com Signed-off-by: Vinod Koul --- drivers/soundwire/cadence_master.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c index 6adf41e..420ad23 100644 --- a/drivers/soundwire/cadence_master.c +++ b/drivers/soundwire/cadence_master.c @@ -1107,8 +1107,7 @@ int sdw_cdns_init(struct sdw_cdns *cdns) /* Multi-master support to be added here */ - /* Set frame delay between PREQ and ping frame to 15 frames */ - val |= 0xF << SDW_REG_SHIFT(CDNS_MCP_CONFIG_MPREQ_DELAY); + /* leave frame delay to hardware default of 0x1F */ /* Set Max cmd retry to 15 */ val |= CDNS_MCP_CONFIG_MCMD_RETRY; -- 2.7.4