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>

diff --git a/drivers/gpio/gpio-htc-egpio.c b/drivers/gpio/gpio-htc-egpio.c
index 9d3ac51a765c1405b4fe0ec68e2beec9b2dd1dfd..6eb56f7ab9c94e73dbb1aeb761511450620d105c 100644 (file)
--- 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 9a3e78082883f366922e318a0794baf393bd74bb..eaefba0b6465b48c5ddfadf0e0f7f16c0610ccfb 100644 (file)
--- 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