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From ad65f02fd73e9a700f1693a4513ae923ca07beb0 Mon Sep 17 00:00:00 2001
From: Chuanhong Guo <gch981213@gmail.com>
Date: Sun, 15 Mar 2020 20:13:38 +0800
Subject: [PATCH] gpio: mt7621: add BGPIOF_NO_SET_ON_INPUT flag
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
DSET/DCLR registers only works on output pins. Add corresponding
BGPIOF_NO_SET_ON_INPUT flag to bgpio_init call to fix direction_out
behavior.
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Tested-by: René van Dorst <opensource@vdorst.com>
Reviewed-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---
drivers/gpio/gpio-mt7621.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/gpio/gpio-mt7621.c
+++ b/drivers/gpio/gpio-mt7621.c
@@ -227,8 +227,8 @@ mediatek_gpio_bank_probe(struct device *
ctrl = mtk->base + GPIO_REG_DCLR + (rg->bank * GPIO_BANK_STRIDE);
diro = mtk->base + GPIO_REG_CTRL + (rg->bank * GPIO_BANK_STRIDE);
- ret = bgpio_init(&rg->chip, dev, 4,
- dat, set, ctrl, diro, NULL, 0);
+ ret = bgpio_init(&rg->chip, dev, 4, dat, set, ctrl, diro, NULL,
+ BGPIOF_NO_SET_ON_INPUT);
if (ret) {
dev_err(dev, "bgpio_init() failed\n");
return ret;
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