linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] pinctrl: nuvoton: npcm7xx: Constify static ops structs
@ 2020-09-26 20:23 Rikard Falkeborn
  2020-09-30  8:38 ` Linus Walleij
  0 siblings, 1 reply; 2+ messages in thread
From: Rikard Falkeborn @ 2020-09-26 20:23 UTC (permalink / raw)
  To: Linus Walleij
  Cc: Avi Fishman, Tomer Maimon, Tali Perry, Patrick Venture,
	Nancy Yuen, Benjamin Fair, openbmc, linux-gpio, linux-kernel,
	Rikard Falkeborn

The only usage of these structs is to assign their address to various
ops fields in the pinctrl_desc struct, which are const pointers. Make
them const to allow the compiler to put them in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
---
 drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c b/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
index a935065cdac4..6de31b5ee358 100644
--- a/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
+++ b/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
@@ -1601,7 +1601,7 @@ static void npcm7xx_dt_free_map(struct pinctrl_dev *pctldev,
 	kfree(map);
 }
 
-static struct pinctrl_ops npcm7xx_pinctrl_ops = {
+static const struct pinctrl_ops npcm7xx_pinctrl_ops = {
 	.get_groups_count = npcm7xx_get_groups_count,
 	.get_group_name = npcm7xx_get_group_name,
 	.get_group_pins = npcm7xx_get_group_pins,
@@ -1701,7 +1701,7 @@ static int npcm_gpio_set_direction(struct pinctrl_dev *pctldev,
 	return 0;
 }
 
-static struct pinmux_ops npcm7xx_pinmux_ops = {
+static const struct pinmux_ops npcm7xx_pinmux_ops = {
 	.get_functions_count = npcm7xx_get_functions_count,
 	.get_function_name = npcm7xx_get_function_name,
 	.get_function_groups = npcm7xx_get_function_groups,
@@ -1842,7 +1842,7 @@ static int npcm7xx_config_set(struct pinctrl_dev *pctldev, unsigned int pin,
 	return 0;
 }
 
-static struct pinconf_ops npcm7xx_pinconf_ops = {
+static const struct pinconf_ops npcm7xx_pinconf_ops = {
 	.is_generic = true,
 	.pin_config_get = npcm7xx_config_get,
 	.pin_config_set = npcm7xx_config_set,
-- 
2.28.0


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] pinctrl: nuvoton: npcm7xx: Constify static ops structs
  2020-09-26 20:23 [PATCH] pinctrl: nuvoton: npcm7xx: Constify static ops structs Rikard Falkeborn
@ 2020-09-30  8:38 ` Linus Walleij
  0 siblings, 0 replies; 2+ messages in thread
From: Linus Walleij @ 2020-09-30  8:38 UTC (permalink / raw)
  To: Rikard Falkeborn
  Cc: Avi Fishman, Tomer Maimon, Tali Perry, Patrick Venture,
	Nancy Yuen, Benjamin Fair, OpenBMC Maillist,
	open list:GPIO SUBSYSTEM, linux-kernel

On Sat, Sep 26, 2020 at 10:23 PM Rikard Falkeborn
<rikard.falkeborn@gmail.com> wrote:

> The only usage of these structs is to assign their address to various
> ops fields in the pinctrl_desc struct, which are const pointers. Make
> them const to allow the compiler to put them in read-only memory.
>
> Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>

Patch applied.

Yours,
Linus Walleij

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2020-09-30  8:38 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-09-26 20:23 [PATCH] pinctrl: nuvoton: npcm7xx: Constify static ops structs Rikard Falkeborn
2020-09-30  8:38 ` Linus Walleij

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).