[PATCH v2 13/17] soundwire: cadence: remove PREQ_DELAY assignment

From: Pierre-Louis Bossart
Date: Tue Mar 17 2020 - 12:34:43 EST


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 <pierre-louis.bossart@xxxxxxxxxxxxxxx>
---
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 6adf41e3fdcf..420ad23c5530 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;
--
2.20.1