lkml.org 
[lkml]   [2021]   [Dec]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[RFC PATCH v2 4/5] Add Parity Calculation to formatted write
Date
From: Christopher Tyerman <c.tyerman@firebladeautomationsystems.co.uk>

Altered formated write to set parity bit according to parity_write_mask

modified: drivers/base/regmap/regmap.c

Signed-off-by: Christopher Tyerman <c.tyerman@firebladeautomationsystems.co.uk>
---
drivers/base/regmap/regmap.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 0761c854ae3b..177f2010a490 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1972,6 +1972,10 @@ static int _regmap_bus_formatted_write(void *context, unsigned int reg,
regmap_set_work_buf_flag_mask(map, map->format.reg_bytes,
map->write_flag_mask);

+ regmap_set_work_buf_parity_mask(map, map->format.reg_bytes,
+ map->parity_write_mask, map->write_flag_mask, reg,
+ &val, sizeof(val));
+
trace_regmap_hw_write_start(map, reg, 1);

ret = map->bus->write(map->bus_context, map->work_buf,
--
2.25.1
\
 
 \ /
  Last update: 2021-12-22 19:45    [W:0.039 / U:0.244 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site