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Fri, 02 May 2025 01:59:54 -0700 (PDT) From: Bartosz Golaszewski Date: Fri, 02 May 2025 10:59:50 +0200 Subject: [PATCH v2 4/5] powerpc: 52xx/gpio: use new line value setter callbacks Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250502-gpiochip-set-rv-powerpc-v2-4-488e43e325bf@linaro.org> References: <20250502-gpiochip-set-rv-powerpc-v2-0-488e43e325bf@linaro.org> In-Reply-To: <20250502-gpiochip-set-rv-powerpc-v2-0-488e43e325bf@linaro.org> To: Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Linus Walleij , Bartosz Golaszewski , Anatolij Gustschin Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, Bartosz Golaszewski X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=1743; i=bartosz.golaszewski@linaro.org; h=from:subject:message-id; bh=NUv/Cv/Ma42p5cVqxLaXY/iK8aY4ZJdMZfYarvprRRM=; b=owEBbQKS/ZANAwAKARGnLqAUcddyAcsmYgBoFImFEUTAydQAnqUBWcSczhRxoDxw1FtPObvJO Cps9EWCTzaJAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCaBSJhQAKCRARpy6gFHHX ctNvEADegI0ahN7DjfRK70i+3mbHNjJm9hEqWx3KvwVKsoM5dD/Lkpn2urM861oMuobssDB/gcE DbA2cu+7NDPR0b+KaYiEU8JJ5BvmUpmTg09PVE/paQdwKat4HoV6icBYsyMHJI9ZZg9Vbo2EQav FoMnIzOGzWzbrqdUg6jyaaiQFMqhkbafZz1QVXvN2ZKuYbkwTLxLyq48nKWRTJUlsOTpmLY9kAv DCCAzdjB8yk8zEXXdAaEKLsoXZwjR6cwdBa54HDS6vPGP8iioKYpI0sOxcsxIAyX3woKy10zuGf tJuGP1S7Nw3/HmrBmtsVe1yTgdnQYY9te4AtsrBPo7A+Qe8FbkiUJcbbwG1qQc1sB0nO5kn5Cj2 9o/m/6lcqCxlfcVcTenPlKMlyIMMVbJ9j9qV/gDFhDxnKHZwY4rtTo/8C3TcgqxobElqQuEK65O BIcVEJUqyvLGwd3JPg21ifkC8tQ++TuyrXzYGTnjdwm5bMWWkyKpOiC0W762gmVviUqRHG1x9aA zYw9pfUPGHaAQLTeDArAu40iBit+zJBYbkA3kfchXECSfhyTBGacRZZrgbfq/M55mbahzq1kFtA 8gWJE/qAD8A2LLIlIugop7WeyKiehQIs2Ox+gKZA0/PxIaVU0RhyHAvi5AJDBvWuN7YMXvDSGik ecRAgo8SfaYFF9A== X-Developer-Key: i=bartosz.golaszewski@linaro.org; a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 From: Bartosz Golaszewski struct gpio_chip now has callbacks for setting line values that return an integer, allowing to indicate failures. Convert the driver to using them. Reviewed-by: Linus Walleij Reviewed-by: Christophe Leroy Signed-off-by: Bartosz Golaszewski --- arch/powerpc/platforms/52xx/mpc52xx_gpt.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platf= orms/52xx/mpc52xx_gpt.c index 1ea591ec60833..c96af6b0eab42 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c @@ -280,7 +280,7 @@ static int mpc52xx_gpt_gpio_get(struct gpio_chip *gc, u= nsigned int gpio) return (in_be32(&gpt->regs->status) >> 8) & 1; } =20 -static void +static int mpc52xx_gpt_gpio_set(struct gpio_chip *gc, unsigned int gpio, int v) { struct mpc52xx_gpt_priv *gpt =3D gpiochip_get_data(gc); @@ -293,6 +293,8 @@ mpc52xx_gpt_gpio_set(struct gpio_chip *gc, unsigned int= gpio, int v) raw_spin_lock_irqsave(&gpt->lock, flags); clrsetbits_be32(&gpt->regs->mode, MPC52xx_GPT_MODE_GPIO_MASK, r); raw_spin_unlock_irqrestore(&gpt->lock, flags); + + return 0; } =20 static int mpc52xx_gpt_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio) @@ -334,7 +336,7 @@ static void mpc52xx_gpt_gpio_setup(struct mpc52xx_gpt_p= riv *gpt) gpt->gc.direction_input =3D mpc52xx_gpt_gpio_dir_in; gpt->gc.direction_output =3D mpc52xx_gpt_gpio_dir_out; gpt->gc.get =3D mpc52xx_gpt_gpio_get; - gpt->gc.set =3D mpc52xx_gpt_gpio_set; + gpt->gc.set_rv =3D mpc52xx_gpt_gpio_set; gpt->gc.base =3D -1; gpt->gc.parent =3D gpt->dev; =20 --=20 2.45.2