linux-kernel - [PATCH] pwm: Add missing dummy for devm_pwmchip

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Date:   Tue, 25 Oct 2022 16:03:42 +0200
From:   Geert Uytterhoeven <geert+renesas@...der.be>
To:     Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
Cc:     Biju Das <biju.das.jz@...renesas.com>, linux-pwm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH] pwm: Add missing dummy for devm_pwmchip_add()

The PWM subsystem supports compile-testing if CONFIG_PWM is disabled.
However, no dummy is provided for devm_pwmchip_add(), which may lead to
build failures.

Fixes: bcda91bf86c1ff76 ("pwm: Add a device-managed function to add PWM chips")
Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 include/linux/pwm.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/pwm.h b/include/linux/pwm.h
index d70c6e5a839d6902..bba492eea96c5552 100644
--- a/include/linux/pwm.h
+++ b/include/linux/pwm.h
@@ -478,6 +478,11 @@ static inline int pwmchip_remove(struct pwm_chip *chip)
 	return -EINVAL;
 }
 
+static inline int devm_pwmchip_add(struct device *dev, struct pwm_chip *chip)
+{
+	return -EINVAL;
+}
+
 static inline struct pwm_device *pwm_request_from_chip(struct pwm_chip *chip,
 						       unsigned int index,
 						       const char *label)
-- 
2.25.1