Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-22 04:02:20 +00:00
Code Issues Packages Projects Releases Wiki Activity

regulator: wm8400: Constify struct regulator_desc

Browse Source 
'struct regulator_desc' is not modified in this driver.

Constifying this structure moves some data to a read-only section, so
increases overall security, especially when the structure holds some
function pointers.

On a x86_64, with allmodconfig:
Before:
======
   text	   data	    bss	    dec	    hex	filename
   4419	   2512	      0	   6931	   1b13	drivers/regulator/wm8400-regulator.o

After:
=====
   text	   data	    bss	    dec	    hex	filename
   6307	    624	      0	   6931	   1b13	drivers/regulator/wm8400-regulator.o

--
Compile tested only

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://patch.msgid.link/fde33ecfd9bbdbdc1da1620c9f3b1b7a72f9d805.1725906876.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Christophe JAILLET 2024-09-09 20:35:08 +02:00 committed by Mark Brown
parent 0c0966b501
commit 48cc042bd6
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/regulator/wm8400-regulator.c
View File

@ -112,7 +112,7 @@ static const struct regulator_ops wm8400_dcdc_ops = {
.get_optimum_mode = wm8400_dcdc_get_optimum_mode,
};
static struct regulator_desc regulators[] = {
static const struct regulator_desc regulators[] = {
{
.name = "LDO1",
.id = WM8400_LDO1,