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authorGeert Uytterhoeven <geert+renesas@glider.be>2019-09-10 16:15:29 +0200
committerLinus Walleij <linus.walleij@linaro.org>2019-09-12 10:07:44 +0100
commitc34a024e4ee087b6d9e534160990082c3d9e7103 (patch)
tree67ae08d67650e9292a5ebc94a9bc459fcf44a64a
parent2efc6bfadb0b9c873e11ab8da37f4f69aa215d25 (diff)
downloadlinux-c34a024e4ee087b6d9e534160990082c3d9e7103.tar.gz
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@glider.be>
Link: https://lore.kernel.org/r/20190910141529.21030-1-geert+renesas@glider.be
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
-rw-r--r--drivers/gpio/gpio-htc-egpio.c14
-rw-r--r--include/linux/platform_data/gpio-htc-egpio.h3
2 files changed, 0 insertions, 17 deletions
diff --git a/drivers/gpio/gpio-htc-egpio.c b/drivers/gpio/gpio-htc-egpio.c
index 9d3ac51a765c..6eb56f7ab9c9 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 9a3e78082883..eaefba0b6465 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