On Fri, 14 Oct 2016, Guenter Roeck wrote:
> The call to irq_set_parent() causes the following build error if tps65217
> is built as module.
>
> ERROR: ".irq_set_parent" [drivers/mfd/tps65217.ko] undefined!
>
> The problem was introduced with commit 6556bdacf646f ("mfd: tps65217: Add
> support for IRQs").
>
> The author states: "I have added irq_set_parent() similarly as in
> drivers/base/regmap/regmap-irq.c. But to be honest I am not sure what it
> really does in case of tps65217."
>
> So let's drop it.
>
> Fixes: 6556bdacf646f ("mfd: tps65217: Add support for IRQs")
> Cc: Marcin Niestroj <m.niestroj@xxxxxxxxxxxxxxxx>
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> ---
> drivers/mfd/tps65217.c | 1 -
> 1 file changed, 1 deletion(-)
This has been fixed now.
3118dac501bc ("kernel/irq: Export irq_set_parent()")
> diff --git a/drivers/mfd/tps65217.c b/drivers/mfd/tps65217.c
> index 9a4d8684dd32..2a57b444859c 100644
> --- a/drivers/mfd/tps65217.c
> +++ b/drivers/mfd/tps65217.c
> @@ -170,7 +170,6 @@ static int tps65217_irq_map(struct irq_domain *h, unsigned int virq,
> irq_set_chip_data(virq, tps);
> irq_set_chip_and_handler(virq, &tps65217_irq_chip, handle_edge_irq);
> irq_set_nested_thread(virq, 1);
> - irq_set_parent(virq, tps->irq);
> irq_set_noprobe(virq);
>
> return 0;
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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