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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: Marc Zyngier <maz@kernel.org>
Acked-by: Bartosz Golaszewski <brgl@bgdev.pl>
Link: https://lore.kernel.org/r/20220201120310.878267-13-maz@kernel.org
This commit is contained in:
Marc Zyngier 2022-02-01 12:03:10 +00:00
parent 0d872ed9e2
commit beb0622138
2 changed files with 0 additions and 5 deletions
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2
include/linux/irq.h
View File

@ -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);

3
kernel/irq/chip.c
View File

@ -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;