kevin/linux
1
Fork 0
Code

pinctrl: ti: ti-iodelay: Constify struct ti_iodelay_reg_data

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

Constifying this structure moves some data to a read-only section, so
increase overall security.

On a x86_64, with allmodconfig:
Before:
======
   text	   data	    bss	    dec	    hex	filename
  17259	   1788	     16	  19063	   4a77	drivers/pinctrl/ti/pinctrl-ti-iodelay.o

After:
=====
   text	   data	    bss	    dec	    hex	filename
  17355	   1692	     16	  19063	   4a77	drivers/pinctrl/ti/pinctrl-ti-iodelay.o

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/40d6e67ab4e73d2cbe7ca0060ac27afc894fc415.1720556038.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Christophe JAILLET 2024-07-09 22:37:44 +02:00 committed by Linus Walleij
parent a9f2b249ad
commit 3479c7ae9c
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/pinctrl/ti/pinctrl-ti-iodelay.c
View File

@ -783,7 +783,7 @@ static const struct regmap_config dra7_iodelay_regmap_config = {
.max_register = 0xd1c,
};
static struct ti_iodelay_reg_data dra7_iodelay_data = {
static const struct ti_iodelay_reg_data dra7_iodelay_data = {
.signature_mask = 0x0003f000,
.signature_value = 0x29,
.lock_mask = 0x00000400,