irqchip: Fix compile-testing without CONFIG_OF

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Drivers using the new IRQCHIP_PLATFORM_DRIVER_BEGIN helper
fail to link when compile-testing without CONFIG_OF,
as that means CONFIG_IRQCHIP is disabled as well:

ld.lld: error: undefined symbol: platform_irqchip_probe
>>> referenced by irq-meson-gpio.c
>>>               irqchip/irq-meson-gpio.o:(meson_gpio_intc_driver) in archive drivers/built-in.a
>>> referenced by irq-mchp-eic.c
>>>               irqchip/irq-mchp-eic.o:(mchp_eic_driver) in archive drivers/built-in.a

As the drivers are not actually used in this case, just
making the reference to this symbol conditional helps
avoid the link failure.

Fixes: f8410e6265 ("irqchip: Add IRQCHIP_PLATFORM_DRIVER_BEGIN/END and IRQCHIP_MATCH helper macros")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211022154927.920491-1-arnd@kernel.org

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This commit is contained in:

Arnd Bergmann 2021-10-22 17:49:21 +02:00 • committed by Marc Zyngier

parent 21ce6992f3

commit 1ba5478270

1 changed files with 3 additions and 2 deletions

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include/linux/irqchip.h

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