Re: [PATCH V2 1/2] irqchip/gic: Remove static irq_chip definition for eoimode1

From: Jon Hunter
Date: Mon Jan 11 2016 - 05:14:19 EST


Hi Mark,

Any comment on these patches?

Cheers
Jon

On 22/12/15 12:09, Jon Hunter wrote:
> There are only 3 differences (not including the name) in the definitions
> of the gic_chip and gic_eoimode1_chip structures. Instead of statically
> defining the gic_eoimode1_chip structure, remove it and populate the
> eoimode1 functions dynamically for the appropriate GIC irqchips.
>
> Signed-off-by: Jon Hunter <jonathanh@xxxxxxxxxx>
> ---
> drivers/irqchip/irq-gic.c | 26 +++++---------------------
> 1 file changed, 5 insertions(+), 21 deletions(-)
>
> diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
> index fcbe0b90870d..94ad60c424a7 100644
> --- a/drivers/irqchip/irq-gic.c
> +++ b/drivers/irqchip/irq-gic.c
> @@ -394,23 +394,6 @@ static struct irq_chip gic_chip = {
> IRQCHIP_MASK_ON_SUSPEND,
> };
>
> -static struct irq_chip gic_eoimode1_chip = {
> - .name = "GICv2",
> - .irq_mask = gic_eoimode1_mask_irq,
> - .irq_unmask = gic_unmask_irq,
> - .irq_eoi = gic_eoimode1_eoi_irq,
> - .irq_set_type = gic_set_type,
> -#ifdef CONFIG_SMP
> - .irq_set_affinity = gic_set_affinity,
> -#endif
> - .irq_get_irqchip_state = gic_irq_get_irqchip_state,
> - .irq_set_irqchip_state = gic_irq_set_irqchip_state,
> - .irq_set_vcpu_affinity = gic_irq_set_vcpu_affinity,
> - .flags = IRQCHIP_SET_TYPE_MASKED |
> - IRQCHIP_SKIP_SET_WAKE |
> - IRQCHIP_MASK_ON_SUSPEND,
> -};
> -
> void __init gic_cascade_irq(unsigned int gic_nr, unsigned int irq)
> {
> BUG_ON(gic_nr >= CONFIG_ARM_GIC_MAX_NR);
> @@ -1030,13 +1013,14 @@ static void __init __gic_init_bases(unsigned int gic_nr, int irq_start,
> gic_check_cpu_features();
>
> gic = &gic_data[gic_nr];
> + gic->chip = gic_chip;
> + gic->chip.name = kasprintf(GFP_KERNEL, "GIC-%d", gic_nr);
>
> /* Initialize irq_chip */
> if (static_key_true(&supports_deactivate) && gic_nr == 0) {
> - gic->chip = gic_eoimode1_chip;
> - } else {
> - gic->chip = gic_chip;
> - gic->chip.name = kasprintf(GFP_KERNEL, "GIC-%d", gic_nr);
> + gic->chip.irq_mask = gic_eoimode1_mask_irq;
> + gic->chip.irq_eoi = gic_eoimode1_eoi_irq;
> + gic->chip.irq_set_vcpu_affinity = gic_irq_set_vcpu_affinity;
> }
>
> #ifdef CONFIG_GIC_NON_BANKED
>