Commit beb06221 authored by Marc Zyngier's avatar Marc Zyngier
Browse files

genirq: Kill irq_chip::parent_device 



Now that noone is using irq_chip::parent_device in the tree, get
rid of it.

Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
Acked-by: default avatarBartosz Golaszewski <brgl@bgdev.pl>
Link: https://lore.kernel.org/r/20220201120310.878267-13-maz@kernel.org
parent 0d872ed9

include/linux/irq.h

+0 −2
Original line number Diff line number Diff line
@@ -456,7 +456,6 @@ static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d) 
/**

 * struct irq_chip - hardware interrupt chip descriptor

 *

 * @parent_device:	pointer to parent device for irqchip

 * @name:		name for /proc/interrupts

 * @irq_startup:	start up the interrupt (defaults to ->enable if NULL)

 * @irq_shutdown:	shut down the interrupt (defaults to ->disable if NULL)
@@ -503,7 +502,6 @@ static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d) 
 * @flags:		chip specific flags

 */

struct irq_chip {

	struct device	*parent_device;

	const char	*name;

	unsigned int	(*irq_startup)(struct irq_data *data);

	void		(*irq_shutdown)(struct irq_data *data);

kernel/irq/chip.c

+0 −3
Original line number Diff line number Diff line
@@ -1560,9 +1560,6 @@ int irq_chip_compose_msi_msg(struct irq_data *data, struct msi_msg *msg) 


static struct device *irq_get_parent_device(struct irq_data *data)

{

	if (data->chip->parent_device)

		return data->chip->parent_device;



	if (data->domain)

		return data->domain->dev;