recipes-kernel/linux/files/0001-pinctrl-npcm7xx-prevent-glitch-when-setting-the-GPIO.patch

From 43d61f90a54f6eb440a77449213754b0c738ca50 Mon Sep 17 00:00:00 2001
From: Tomer Maimon <tmaimon77@gmail.com>
Date: Mon, 8 May 2023 13:02:35 +0300
Subject: [PATCH] pinctrl: npcm7xx: prevent glitch when setting the GPIO to
 output high

Enable GPIO output after setting the output value to prevent a glitch
when pinctrl driver sets gpio pin to output high and the pin is in
the default state (high->low->high).

Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: William A. Kennington III <william@wkennington.com>
---
 drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c b/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
index 1e658721aaba..62a46d824b46 100644
--- a/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
+++ b/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
@@ -1790,8 +1790,8 @@ static int npcm7xx_config_set_one(struct npcm7xx_pinctrl *npcm,
 		bank->direction_input(&bank->gc, pin % bank->gc.ngpio);
 		break;
 	case PIN_CONFIG_OUTPUT:
-		iowrite32(gpio, bank->base + NPCM7XX_GP_N_OES);
 		bank->direction_output(&bank->gc, pin % bank->gc.ngpio, arg);
+		iowrite32(gpio, bank->base + NPCM7XX_GP_N_OES);
 		break;
 	case PIN_CONFIG_DRIVE_PUSH_PULL:
 		npcm_gpio_clr(&bank->gc, bank->base + NPCM7XX_GP_N_OTYP, gpio);
-- 
2.43.0.rc0.421.g78406f8d94-goog