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Message-Id: <20190910141529.21030-1-geert+renesas@glider.be>
Date:   Tue, 10 Sep 2019 16:15:29 +0200
From:   Geert Uytterhoeven <geert+renesas@...der.be>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Cc:     Philipp Zabel <philipp.zabel@...il.com>,
        Paul Parsons <lost.distance@...oo.com>,
        Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        Russell King <linux@...linux.org.uk>,
        linux-gpio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH] gpio: htc-egpio: Remove unused exported htc_egpio_get_wakeup_irq()

This function was never used upstream, and is a relic of the original
handhelds.org code the htc-egpio driver was based on.

Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 drivers/gpio/gpio-htc-egpio.c                | 14 --------------
 include/linux/platform_data/gpio-htc-egpio.h |  3 ---
 2 files changed, 17 deletions(-)

diff --git a/drivers/gpio/gpio-htc-egpio.c b/drivers/gpio/gpio-htc-egpio.c
index 9d3ac51a765c1405..6eb56f7ab9c94e73 100644
--- a/drivers/gpio/gpio-htc-egpio.c
+++ b/drivers/gpio/gpio-htc-egpio.c
@@ -118,20 +118,6 @@ static void egpio_handler(struct irq_desc *desc)
 	}
 }
 
-int htc_egpio_get_wakeup_irq(struct device *dev)
-{
-	struct egpio_info *ei = dev_get_drvdata(dev);
-
-	/* Read current pins. */
-	u16 readval = egpio_readw(ei, ei->ack_register);
-	/* Ack/unmask interrupts. */
-	ack_irqs(ei);
-	/* Return first set pin. */
-	readval &= ei->irqs_enabled;
-	return ei->irq_start + ffs(readval) - 1;
-}
-EXPORT_SYMBOL(htc_egpio_get_wakeup_irq);
-
 static inline int egpio_pos(struct egpio_info *ei, int bit)
 {
 	return bit >> ei->reg_shift;
diff --git a/include/linux/platform_data/gpio-htc-egpio.h b/include/linux/platform_data/gpio-htc-egpio.h
index 9a3e78082883f366..eaefba0b6465b48c 100644
--- a/include/linux/platform_data/gpio-htc-egpio.h
+++ b/include/linux/platform_data/gpio-htc-egpio.h
@@ -50,7 +50,4 @@ struct htc_egpio_platform_data {
 	int                   num_chips;
 };
 
-/* Determine the wakeup irq, to be called during early resume */
-extern int htc_egpio_get_wakeup_irq(struct device *dev);
-
 #endif
-- 
2.17.1

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