soundwire: remove SDW_REG_SHIFT()

soundwire had defined SDW_REG_SHIFT to calculate shift values for
bitmasks, but now that we have better things in bitfield.h, remove this.

Signed-off-by: Vinod Koul <vkoul@kernel.org>
Tested-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200903114504.1202143-10-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Vinod Koul 2020-09-03 17:15:04 +05:30
parent c30f929841
commit 8be2f84acf

View File

@ -4,13 +4,6 @@
#ifndef __SDW_REGISTERS_H
#define __SDW_REGISTERS_H
/*
* typically we define register and shifts but if one observes carefully,
* the shift can be generated from MASKS using few bit primitaives like ffs
* etc, so we use that and avoid defining shifts
*/
#define SDW_REG_SHIFT(n) (ffs(n) - 1)
/*
* SDW registers as defined by MIPI 1.2 Spec
*/