Commit c50ae947 authored by Hauke Mehrtens's avatar Hauke Mehrtens Committed by John W. Linville
Browse files

bcma: unregister gpios before unloading bcma 



This patch unregisters the gpio chip before bcma gets unloaded.

Signed-off-by: default avatarHauke Mehrtens <hauke@hauke-m.de>
Reported-by: default avatarPiotr Haber <phaber@broadcom.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent a5ffbe0a

drivers/bcma/bcma_private.h

+5 −0
Original line number Diff line number Diff line
@@ -94,11 +94,16 @@ void __devinit bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc); 
#ifdef CONFIG_BCMA_DRIVER_GPIO

/* driver_gpio.c */

int bcma_gpio_init(struct bcma_drv_cc *cc);

int bcma_gpio_unregister(struct bcma_drv_cc *cc);

#else

static inline int bcma_gpio_init(struct bcma_drv_cc *cc)

{

	return -ENOTSUPP;

}

static inline int bcma_gpio_unregister(struct bcma_drv_cc *cc)

{

	return 0;

}

#endif /* CONFIG_BCMA_DRIVER_GPIO */



#endif

drivers/bcma/driver_gpio.c

+5 −0
Original line number Diff line number Diff line
@@ -96,3 +96,8 @@ int bcma_gpio_init(struct bcma_drv_cc *cc) 


	return gpiochip_add(chip);

}



int bcma_gpio_unregister(struct bcma_drv_cc *cc)

{

	return gpiochip_remove(&cc->gpio);

}

drivers/bcma/main.c

+7 −0
Original line number Diff line number Diff line
@@ -268,6 +268,13 @@ int __devinit bcma_bus_register(struct bcma_bus *bus) 
void bcma_bus_unregister(struct bcma_bus *bus)

{

	struct bcma_device *cores[3];

	int err;



	err = bcma_gpio_unregister(&bus->drv_cc);

	if (err == -EBUSY)

		bcma_err(bus, "Some GPIOs are still in use.\n");

	else if (err)

		bcma_err(bus, "Can not unregister GPIO driver: %i\n", err);



	cores[0] = bcma_find_core(bus, BCMA_CORE_MIPS_74K);

	cores[1] = bcma_find_core(bus, BCMA_CORE_PCIE);