diff options
| author | Marek Behún <kabel@kernel.org> | 2024-07-11 13:57:45 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2024-07-30 13:35:47 +0200 |
| commit | 5ecafc9a640f7c1e5690375cf3a82848d669abb9 (patch) | |
| tree | 6e09ee7151f90ef7b1b9be829d5ba4e09fec8393 /drivers/irqchip/irq-armada-370-xp.c | |
| parent | f63f54a2b8ff0815788d0c73cbbd5a96a3d467eb (diff) | |
irqchip/armada-370-xp: Don't read number of supported interrupts multiple times
Use mpic_domain::hwirq_max at runtime instead of reading the same value
over and over from the MPIC_INT_CONTROL register.
Signed-off-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/all/20240711115748.30268-8-kabel@kernel.org
Diffstat (limited to 'drivers/irqchip/irq-armada-370-xp.c')
| -rw-r--r-- | drivers/irqchip/irq-armada-370-xp.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c index 27588347189e..e43eb26ab6e7 100644 --- a/drivers/irqchip/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -494,13 +494,7 @@ static int mpic_set_affinity(struct irq_data *d, const struct cpumask *mask_val, static void mpic_smp_cpu_init(void) { - u32 control; - int nr_irqs; - - control = readl(main_int_base + MPIC_INT_CONTROL); - nr_irqs = (control >> 2) & 0x3ff; - - for (int i = 0; i < nr_irqs; i++) + for (int i = 0; i < mpic_domain->hwirq_max; i++) writel(i, per_cpu_int_base + MPIC_INT_SET_MASK); if (!mpic_is_ipi_available()) @@ -706,10 +700,9 @@ static int mpic_suspend(void) static void mpic_resume(void) { bool src0, src1; - int nirqs; + /* Re-enable interrupts */ - nirqs = (readl(main_int_base + MPIC_INT_CONTROL) >> 2) & 0x3ff; - for (irq_hw_number_t irq = 0; irq < nirqs; irq++) { + for (irq_hw_number_t irq = 0; irq < mpic_domain->hwirq_max; irq++) { struct irq_data *data; unsigned int virq; |