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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>
This commit is contained in:
Geert Uytterhoeven 2019-09-10 16:15:29 +02:00 committed by Linus Walleij
parent 2efc6bfadb
commit c34a024e4e
2 changed files with 0 additions and 17 deletions
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14
drivers/gpio/gpio-htc-egpio.c
View File

@ -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;

3
include/linux/platform_data/gpio-htc-egpio.h
View File

@ -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