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[2a02:3100:a017:2b01:5fe:203b:7cd2:a640]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49fcd0f8563sm98714425e9.6.2026.09.19.10.11.08 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Sat, 19 Sep 2026 10:11:09 -0700 (PDT) From: Karl Mehltretter To: Linus Walleij , Bartosz Golaszewski Cc: Karl Mehltretter , Jerome Neanne , Jonathan Cormier , Andy Shevchenko , Shree Ramamoorthy , Aaro Koskinen , Andreas Kemnade , Kevin Hilman , Roger Quadros , Tony Lindgren , linux-omap@vger.kernel.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/3] gpio: tps65219: Fix TPS65214 GPIO direction programming Date: Sat, 19 Sep 2026 19:11:00 +0200 Message-Id: <20260919171100.90430-4-kmehltretter@gmail.com> X-Mailer: git-send-email 2.39.5 (Apple Git-154) In-Reply-To: <20260919171100.90430-1-kmehltretter@gmail.com> References: <20260919171100.90430-1-kmehltretter@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit GPIO_LINE_DIRECTION_OUT and GPIO_LINE_DIRECTION_IN have the values 0 and 1, respectively, while the TPS65214 GPIO_CONFIG field is BIT(1). regmap_update_bits() masks the supplied value, so passing either direction value clears the field and selects input mode. Translate the GPIO direction to the register encoding used by tps65214_gpio_get_direction(), setting GPIO_CONFIG for output and clearing it for input. Fixes: 1b6ab07c0c80 ("gpio: tps65219: Add support for TI TPS65214 PMIC") Cc: stable@vger.kernel.org Assisted-by: LLM Signed-off-by: Karl Mehltretter --- Testing: - This register programming was exercised together with patch 2 by a temporary KUnit test using a RAM-backed regmap under x86_64 QEMU 10.2.1. The TPS65214 direction-output test failed on the base commit and passes with this series. - This has not been tested on real hardware; testing on affected hardware is welcome. drivers/gpio/gpio-tps65219.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpio/gpio-tps65219.c b/drivers/gpio/gpio-tps65219.c index 479a80ef76543..6958466455d04 100644 --- a/drivers/gpio/gpio-tps65219.c +++ b/drivers/gpio/gpio-tps65219.c @@ -158,8 +158,10 @@ static int tps65214_gpio_change_direction(struct gpio_chip *gc, unsigned int off if (ret) dev_err(dev, "GPIO%d configured as VSEL, not GPIO\n", offset); + val = direction == GPIO_LINE_DIRECTION_OUT ? + TPS65214_GPIO0_DIR_MASK : 0; ret = regmap_update_bits(gpio->tps->regmap, TPS65219_REG_GENERAL_CONFIG, - TPS65214_GPIO0_DIR_MASK, direction); + TPS65214_GPIO0_DIR_MASK, val); if (ret) dev_err(dev, "Fail to change direction to %u for GPIO%d.\n", direction, offset); -- 2.53.0