The following commit has been merged into the irq/core branch of tip:
Commit-ID: f63f54a2b8ff0815788d0c73cbbd5a96a3d467eb
Gitweb: https://git.kernel.org/tip/f63f54a2b8ff0815788d0c73cbbd5a96a3d467eb
Author: Marek Behún <kabel@xxxxxxxxxx>
AuthorDate: Thu, 11 Jul 2024 13:57:44 +02:00
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Tue, 30 Jul 2024 13:35:47 +02:00
irqchip/armada-370-xp: Change symbol prefixes to mpic
Change symbol prefixes from armada_370_xp_ or others to mpic_.
The rationale is that it is shorter and more generic (this controller
is called MPIC and is also used on Armada 38x and 39x).
Signed-off-by: Marek Behún <kabel@xxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/all/20240711115748.30268-7-kabel@xxxxxxxxxx
---
drivers/irqchip/irq-armada-370-xp.c | 305 ++++++++++++---------------
1 file changed, 142 insertions(+), 163 deletions(-)
diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c
index a66d345..2758834 100644
--- a/drivers/irqchip/irq-armada-370-xp.c
+++ b/drivers/irqchip/irq-armada-370-xp.c
@@ -150,18 +150,18 @@
static void __iomem *per_cpu_int_base;
static void __iomem *main_int_base;
-static struct irq_domain *armada_370_xp_mpic_domain;
+static struct irq_domain *mpic_domain;
static u32 doorbell_mask_reg;
static int parent_irq;
#ifdef CONFIG_PCI_MSI
-static struct irq_domain *armada_370_xp_msi_domain;
-static struct irq_domain *armada_370_xp_msi_inner_domain;
+static struct irq_domain *mpic_msi_domain;
+static struct irq_domain *mpic_msi_inner_domain;
static DECLARE_BITMAP(msi_used, PCI_MSI_FULL_DOORBELL_NR);
static DEFINE_MUTEX(msi_used_lock);
static phys_addr_t msi_doorbell_addr;
#endif
-static inline bool is_ipi_available(void)
+static inline bool mpic_is_ipi_available(void)
{
/*
* We distinguish IPI availability in the IC by the IC not having a
@@ -174,29 +174,25 @@ static inline bool is_ipi_available(void)
static inline u32 msi_doorbell_mask(void)
{
- return is_ipi_available() ? PCI_MSI_DOORBELL_MASK :
- PCI_MSI_FULL_DOORBELL_MASK;
+ return mpic_is_ipi_available() ? PCI_MSI_DOORBELL_MASK : PCI_MSI_FULL_DOORBELL_MASK;
}
static inline unsigned int msi_doorbell_start(void)
{
- return is_ipi_available() ? PCI_MSI_DOORBELL_START :
- PCI_MSI_FULL_DOORBELL_START;
+ return mpic_is_ipi_available() ? PCI_MSI_DOORBELL_START : PCI_MSI_FULL_DOORBELL_START;
}
static inline unsigned int msi_doorbell_size(void)
{
- return is_ipi_available() ? PCI_MSI_DOORBELL_NR :
- PCI_MSI_FULL_DOORBELL_NR;
+ return mpic_is_ipi_available() ? PCI_MSI_DOORBELL_NR : PCI_MSI_FULL_DOORBELL_NR;
}
static inline unsigned int msi_doorbell_end(void)
{
- return is_ipi_available() ? PCI_MSI_DOORBELL_END :
- PCI_MSI_FULL_DOORBELL_END;
+ return mpic_is_ipi_available() ? PCI_MSI_DOORBELL_END : PCI_MSI_FULL_DOORBELL_END;
}
-static inline bool is_percpu_irq(irq_hw_number_t irq)
+static inline bool mpic_is_percpu_irq(irq_hw_number_t irq)
{
return irq <= MPIC_MAX_PER_CPU_IRQS;
}
@@ -206,21 +202,21 @@ static inline bool is_percpu_irq(irq_hw_number_t irq)
* For shared global interrupts, mask/unmask global enable bit
* For CPU interrupts, mask/unmask the calling CPU's bit
*/
-static void armada_370_xp_irq_mask(struct irq_data *d)
+static void mpic_irq_mask(struct irq_data *d)
{
irq_hw_number_t hwirq = irqd_to_hwirq(d);
- if (!is_percpu_irq(hwirq))
+ if (!mpic_is_percpu_irq(hwirq))
writel(hwirq, main_int_base + MPIC_INT_CLEAR_ENABLE);
else
writel(hwirq, per_cpu_int_base + MPIC_INT_SET_MASK);
}
-static void armada_370_xp_irq_unmask(struct irq_data *d)
+static void mpic_irq_unmask(struct irq_data *d)
{
irq_hw_number_t hwirq = irqd_to_hwirq(d);
- if (!is_percpu_irq(hwirq))
+ if (!mpic_is_percpu_irq(hwirq))
writel(hwirq, main_int_base + MPIC_INT_SET_ENABLE);
else
writel(hwirq, per_cpu_int_base + MPIC_INT_CLEAR_MASK);
@@ -228,19 +224,19 @@ static void armada_370_xp_irq_unmask(struct irq_data *d)
#ifdef CONFIG_PCI_MSI
-static struct irq_chip armada_370_xp_msi_irq_chip = {
+static struct irq_chip mpic_msi_irq_chip = {
.name = "MPIC MSI",
.irq_mask = pci_msi_mask_irq,
.irq_unmask = pci_msi_unmask_irq,
};
-static struct msi_domain_info armada_370_xp_msi_domain_info = {
+static struct msi_domain_info mpic_msi_domain_info = {
.flags = (MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
MSI_FLAG_MULTI_PCI_MSI | MSI_FLAG_PCI_MSIX),
- .chip = &armada_370_xp_msi_irq_chip,
+ .chip = &mpic_msi_irq_chip,
};
-static void armada_370_xp_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
+static void mpic_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
{
unsigned int cpu = cpumask_first(irq_data_get_effective_affinity_mask(data));
@@ -249,8 +245,7 @@ static void armada_370_xp_compose_msi_msg(struct irq_data *data, struct msi_msg
msg->data = BIT(cpu + 8) | (data->hwirq + msi_doorbell_start());
}
-static int armada_370_xp_msi_set_affinity(struct irq_data *irq_data,
- const struct cpumask *mask, bool force)
+static int mpic_msi_set_affinity(struct irq_data *irq_data, const struct cpumask *mask, bool force)
{
unsigned int cpu;
@@ -267,14 +262,14 @@ static int armada_370_xp_msi_set_affinity(struct irq_data *irq_data,
return IRQ_SET_MASK_OK;
}
-static struct irq_chip armada_370_xp_msi_bottom_irq_chip = {
+static struct irq_chip mpic_msi_bottom_irq_chip = {
.name = "MPIC MSI",
- .irq_compose_msi_msg = armada_370_xp_compose_msi_msg,
- .irq_set_affinity = armada_370_xp_msi_set_affinity,
+ .irq_compose_msi_msg = mpic_compose_msi_msg,
+ .irq_set_affinity = mpic_msi_set_affinity,
};
-static int armada_370_xp_msi_alloc(struct irq_domain *domain, unsigned int virq,
- unsigned int nr_irqs, void *args)
+static int mpic_msi_alloc(struct irq_domain *domain, unsigned int virq, unsigned int nr_irqs,
+ void *args)
{
int hwirq;
@@ -288,7 +283,7 @@ static int armada_370_xp_msi_alloc(struct irq_domain *domain, unsigned int virq,
for (int i = 0; i < nr_irqs; i++) {
irq_domain_set_info(domain, virq + i, hwirq + i,
- &armada_370_xp_msi_bottom_irq_chip,
+ &mpic_msi_bottom_irq_chip,
domain->host_data, handle_simple_irq,
NULL, NULL);
}
@@ -296,8 +291,7 @@ static int armada_370_xp_msi_alloc(struct irq_domain *domain, unsigned int virq,
return 0;
}
-static void armada_370_xp_msi_free(struct irq_domain *domain,
- unsigned int virq, unsigned int nr_irqs)
+static void mpic_msi_free(struct irq_domain *domain, unsigned int virq, unsigned int nr_irqs)
{
struct irq_data *d = irq_domain_get_irq_data(domain, virq);
@@ -306,12 +300,12 @@ static void armada_370_xp_msi_free(struct irq_domain *domain,
mutex_unlock(&msi_used_lock);
}
-static const struct irq_domain_ops armada_370_xp_msi_domain_ops = {
- .alloc = armada_370_xp_msi_alloc,
- .free = armada_370_xp_msi_free,
+static const struct irq_domain_ops mpic_msi_domain_ops = {
+ .alloc = mpic_msi_alloc,
+ .free = mpic_msi_free,
};
-static void armada_370_xp_msi_reenable_percpu(void)
+static void mpic_msi_reenable_percpu(void)
{
u32 reg;
@@ -324,45 +318,41 @@ static void armada_370_xp_msi_reenable_percpu(void)
writel(1, per_cpu_int_base + MPIC_INT_CLEAR_MASK);
}
-static int armada_370_xp_msi_init(struct device_node *node,
- phys_addr_t main_int_phys_base)
+static int mpic_msi_init(struct device_node *node, phys_addr_t main_int_phys_base)
{
msi_doorbell_addr = main_int_phys_base + MPIC_SW_TRIG_INT;
- armada_370_xp_msi_inner_domain =
- irq_domain_add_linear(NULL, msi_doorbell_size(),
- &armada_370_xp_msi_domain_ops, NULL);
- if (!armada_370_xp_msi_inner_domain)
+ mpic_msi_inner_domain = irq_domain_add_linear(NULL, msi_doorbell_size(),
+ &mpic_msi_domain_ops, NULL);
+ if (!mpic_msi_inner_domain)
return -ENOMEM;
- armada_370_xp_msi_domain =
- pci_msi_create_irq_domain(of_node_to_fwnode(node),
- &armada_370_xp_msi_domain_info,
- armada_370_xp_msi_inner_domain);
- if (!armada_370_xp_msi_domain) {
- irq_domain_remove(armada_370_xp_msi_inner_domain);
+ mpic_msi_domain = pci_msi_create_irq_domain(of_node_to_fwnode(node), &mpic_msi_domain_info,
+ mpic_msi_inner_domain);
+ if (!mpic_msi_domain) {
+ irq_domain_remove(mpic_msi_inner_domain);
return -ENOMEM;
}
- armada_370_xp_msi_reenable_percpu();
+ mpic_msi_reenable_percpu();
/* Unmask low 16 MSI irqs on non-IPI platforms */
- if (!is_ipi_available())
+ if (!mpic_is_ipi_available())
writel(0, per_cpu_int_base + MPIC_INT_CLEAR_MASK);
return 0;
}
#else
-static __maybe_unused void armada_370_xp_msi_reenable_percpu(void) {}
+static __maybe_unused void mpic_msi_reenable_percpu(void) {}
-static inline int armada_370_xp_msi_init(struct device_node *node,
- phys_addr_t main_int_phys_base)
+static inline int mpic_msi_init(struct device_node *node,
+ phys_addr_t main_int_phys_base)
{
return 0;
}
#endif
-static void armada_xp_mpic_perf_init(void)
+static void mpic_perf_init(void)
{
unsigned long cpuid;
@@ -381,9 +371,9 @@ static void armada_xp_mpic_perf_init(void)
}
#ifdef CONFIG_SMP
-static struct irq_domain *ipi_domain;
+static struct irq_domain *mpic_ipi_domain;
-static void armada_370_xp_ipi_mask(struct irq_data *d)
+static void mpic_ipi_mask(struct irq_data *d)
{
u32 reg;
@@ -392,7 +382,7 @@ static void armada_370_xp_ipi_mask(struct irq_data *d)
writel(reg, per_cpu_int_base + MPIC_IN_DRBEL_MASK);
}
-static void armada_370_xp_ipi_unmask(struct irq_data *d)
+static void mpic_ipi_unmask(struct irq_data *d)
{
u32 reg;
@@ -401,8 +391,7 @@ static void armada_370_xp_ipi_unmask(struct irq_data *d)
writel(reg, per_cpu_int_base + MPIC_IN_DRBEL_MASK);
}
-static void armada_370_xp_ipi_send_mask(struct irq_data *d,
- const struct cpumask *mask)
+static void mpic_ipi_send_mask(struct irq_data *d, const struct cpumask *mask)
{
unsigned long map = 0;
unsigned int cpu;
@@ -421,75 +410,73 @@ static void armada_370_xp_ipi_send_mask(struct irq_data *d,
writel((map << 8) | d->hwirq, main_int_base + MPIC_SW_TRIG_INT);
}
-static void armada_370_xp_ipi_ack(struct irq_data *d)
+static void mpic_ipi_ack(struct irq_data *d)
{
writel(~BIT(d->hwirq), per_cpu_int_base + MPIC_IN_DRBEL_CAUSE);
}
-static struct irq_chip ipi_irqchip = {
+static struct irq_chip mpic_ipi_irqchip = {
.name = "IPI",
- .irq_ack = armada_370_xp_ipi_ack,
- .irq_mask = armada_370_xp_ipi_mask,
- .irq_unmask = armada_370_xp_ipi_unmask,
- .ipi_send_mask = armada_370_xp_ipi_send_mask,
+ .irq_ack = mpic_ipi_ack,
+ .irq_mask = mpic_ipi_mask,
+ .irq_unmask = mpic_ipi_unmask,
+ .ipi_send_mask = mpic_ipi_send_mask,
};
-static int armada_370_xp_ipi_alloc(struct irq_domain *d, unsigned int virq,
- unsigned int nr_irqs, void *args)
+static int mpic_ipi_alloc(struct irq_domain *d, unsigned int virq,
+ unsigned int nr_irqs, void *args)
{
for (int i = 0; i < nr_irqs; i++) {
irq_set_percpu_devid(virq + i);
- irq_domain_set_info(d, virq + i, i, &ipi_irqchip, d->host_data,
+ irq_domain_set_info(d, virq + i, i, &mpic_ipi_irqchip, d->host_data,
handle_percpu_devid_irq, NULL, NULL);
}
return 0;
}
-static void armada_370_xp_ipi_free(struct irq_domain *d, unsigned int virq,
- unsigned int nr_irqs)
+static void mpic_ipi_free(struct irq_domain *d, unsigned int virq,
+ unsigned int nr_irqs)
{
/* Not freeing IPIs */
}
-static const struct irq_domain_ops ipi_domain_ops = {
- .alloc = armada_370_xp_ipi_alloc,
- .free = armada_370_xp_ipi_free,
+static const struct irq_domain_ops mpic_ipi_domain_ops = {
+ .alloc = mpic_ipi_alloc,
+ .free = mpic_ipi_free,
};
-static void ipi_resume(void)
+static void mpic_ipi_resume(void)
{
for (int i = 0; i < IPI_DOORBELL_END; i++) {
- unsigned int virq = irq_find_mapping(ipi_domain, i);
+ unsigned int virq = irq_find_mapping(mpic_ipi_domain, i);
struct irq_data *d;
if (!virq || !irq_percpu_is_enabled(virq))
continue;
- d = irq_domain_get_irq_data(ipi_domain, virq);
- armada_370_xp_ipi_unmask(d);
+ d = irq_domain_get_irq_data(mpic_ipi_domain, virq);
+ mpic_ipi_unmask(d);
}
}
-static __init void armada_xp_ipi_init(struct device_node *node)
+static __init void mpic_ipi_init(struct device_node *node)
{
int base_ipi;
- ipi_domain = irq_domain_create_linear(of_node_to_fwnode(node), IPI_DOORBELL_END,
- &ipi_domain_ops, NULL);
- if (WARN_ON(!ipi_domain))
+ mpic_ipi_domain = irq_domain_create_linear(of_node_to_fwnode(node), IPI_DOORBELL_END,
+ &mpic_ipi_domain_ops, NULL);
+ if (WARN_ON(!mpic_ipi_domain))
return;
- irq_domain_update_bus_token(ipi_domain, DOMAIN_BUS_IPI);
- base_ipi = irq_domain_alloc_irqs(ipi_domain, IPI_DOORBELL_END, NUMA_NO_NODE, NULL);
+ irq_domain_update_bus_token(mpic_ipi_domain, DOMAIN_BUS_IPI);
+ base_ipi = irq_domain_alloc_irqs(mpic_ipi_domain, IPI_DOORBELL_END, NUMA_NO_NODE, NULL);
if (WARN_ON(!base_ipi))
return;
-
set_smp_ipi_range(base_ipi, IPI_DOORBELL_END);
}
-static int armada_xp_set_affinity(struct irq_data *d,
- const struct cpumask *mask_val, bool force)
+static int mpic_set_affinity(struct irq_data *d, const struct cpumask *mask_val, bool force)
{
irq_hw_number_t hwirq = irqd_to_hwirq(d);
unsigned int cpu;
@@ -505,7 +492,7 @@ static int armada_xp_set_affinity(struct irq_data *d,
return IRQ_SET_MASK_OK;
}
-static void armada_xp_mpic_smp_cpu_init(void)
+static void mpic_smp_cpu_init(void)
{
u32 control;
int nr_irqs;
@@ -516,7 +503,7 @@ static void armada_xp_mpic_smp_cpu_init(void)
for (int i = 0; i < nr_irqs; i++)
writel(i, per_cpu_int_base + MPIC_INT_SET_MASK);
- if (!is_ipi_available())
+ if (!mpic_is_ipi_available())
return;
/* Disable all IPIs */
@@ -529,14 +516,14 @@ static void armada_xp_mpic_smp_cpu_init(void)
writel(0, per_cpu_int_base + MPIC_INT_CLEAR_MASK);
}
-static void armada_xp_mpic_reenable_percpu(void)
+static void mpic_reenable_percpu(void)
{
/* Re-enable per-CPU interrupts that were enabled before suspend */
for (unsigned int irq = 0; irq < MPIC_MAX_PER_CPU_IRQS; irq++) {
struct irq_data *data;
unsigned int virq;
- virq = irq_linear_revmap(armada_370_xp_mpic_domain, irq);
+ virq = irq_linear_revmap(mpic_domain, irq);
if (!virq)
continue;
@@ -545,82 +532,80 @@ static void armada_xp_mpic_reenable_percpu(void)
if (!irq_percpu_is_enabled(virq))
continue;
- armada_370_xp_irq_unmask(data);
+ mpic_irq_unmask(data);
}
- if (is_ipi_available())
- ipi_resume();
+ if (mpic_is_ipi_available())
+ mpic_ipi_resume();
- armada_370_xp_msi_reenable_percpu();
+ mpic_msi_reenable_percpu();
}
-static int armada_xp_mpic_starting_cpu(unsigned int cpu)
+static int mpic_starting_cpu(unsigned int cpu)
{
- armada_xp_mpic_perf_init();
- armada_xp_mpic_smp_cpu_init();
- armada_xp_mpic_reenable_percpu();
+ mpic_perf_init();
+ mpic_smp_cpu_init();
+ mpic_reenable_percpu();
return 0;
}
static int mpic_cascaded_starting_cpu(unsigned int cpu)
{
- armada_xp_mpic_perf_init();
- armada_xp_mpic_reenable_percpu();
+ mpic_perf_init();
+ mpic_reenable_percpu();
enable_percpu_irq(parent_irq, IRQ_TYPE_NONE);
return 0;
}
#else
-static void armada_xp_mpic_smp_cpu_init(void) {}
-static void ipi_resume(void) {}
+static void mpic_smp_cpu_init(void) {}
+static void mpic_ipi_resume(void) {}
#endif
-static struct irq_chip armada_370_xp_irq_chip = {
+static struct irq_chip mpic_irq_chip = {
.name = "MPIC",
- .irq_mask = armada_370_xp_irq_mask,
- .irq_mask_ack = armada_370_xp_irq_mask,
- .irq_unmask = armada_370_xp_irq_unmask,
+ .irq_mask = mpic_irq_mask,
+ .irq_mask_ack = mpic_irq_mask,
+ .irq_unmask = mpic_irq_unmask,
#ifdef CONFIG_SMP
- .irq_set_affinity = armada_xp_set_affinity,
+ .irq_set_affinity = mpic_set_affinity,
#endif
.flags = IRQCHIP_SKIP_SET_WAKE | IRQCHIP_MASK_ON_SUSPEND,
};
-static int armada_370_xp_mpic_irq_map(struct irq_domain *h,
- unsigned int virq, irq_hw_number_t hw)
+static int mpic_irq_map(struct irq_domain *h, unsigned int virq,
+ irq_hw_number_t hw)
{
/* IRQs 0 and 1 cannot be mapped, they are handled internally */
if (hw <= 1)
return -EINVAL;
- armada_370_xp_irq_mask(irq_get_irq_data(virq));
- if (!is_percpu_irq(hw))
+ mpic_irq_mask(irq_get_irq_data(virq));
+ if (!mpic_is_percpu_irq(hw))
writel(hw, per_cpu_int_base + MPIC_INT_CLEAR_MASK);
else
writel(hw, main_int_base + MPIC_INT_SET_ENABLE);
irq_set_status_flags(virq, IRQ_LEVEL);
- if (is_percpu_irq(hw)) {
+ if (mpic_is_percpu_irq(hw)) {
irq_set_percpu_devid(virq);
- irq_set_chip_and_handler(virq, &armada_370_xp_irq_chip,
- handle_percpu_devid_irq);
+ irq_set_chip_and_handler(virq, &mpic_irq_chip, handle_percpu_devid_irq);
} else {
- irq_set_chip_and_handler(virq, &armada_370_xp_irq_chip, handle_level_irq);
+ irq_set_chip_and_handler(virq, &mpic_irq_chip, handle_level_irq);
irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(virq)));
}
irq_set_probe(virq);
-
return 0;
}
-static const struct irq_domain_ops armada_370_xp_mpic_irq_ops = {
- .map = armada_370_xp_mpic_irq_map,
+static const struct irq_domain_ops mpic_irq_ops = {
+ .map = mpic_irq_map,
.xlate = irq_domain_xlate_onecell,
};
#ifdef CONFIG_PCI_MSI
-static void armada_370_xp_handle_msi_irq(struct pt_regs *regs, bool is_chained)
+static void mpic_handle_msi_irq(struct pt_regs *regs, bool is_chained)
{
u32 msimask, msinr;
@@ -638,14 +623,14 @@ static void armada_370_xp_handle_msi_irq(struct pt_regs *regs, bool is_chained)
irq = msinr - msi_doorbell_start();
- generic_handle_domain_irq(armada_370_xp_msi_inner_domain, irq);
+ generic_handle_domain_irq(mpic_msi_inner_domain, irq);
}
}
#else
-static void armada_370_xp_handle_msi_irq(struct pt_regs *r, bool b) {}
+static void mpic_handle_msi_irq(struct pt_regs *r, bool b) {}
#endif
-static void armada_370_xp_mpic_handle_cascade_irq(struct irq_desc *desc)
+static void mpic_handle_cascade_irq(struct irq_desc *desc)
{
struct irq_chip *chip = irq_desc_get_chip(desc);
unsigned long irqmap, irqn, irqsrc, cpuid;
@@ -665,18 +650,17 @@ static void armada_370_xp_mpic_handle_cascade_irq(struct irq_desc *desc)
continue;
if (irqn == 0 || irqn == 1) {
- armada_370_xp_handle_msi_irq(NULL, true);
+ mpic_handle_msi_irq(NULL, true);
continue;
}
- generic_handle_domain_irq(armada_370_xp_mpic_domain, irqn);
+ generic_handle_domain_irq(mpic_domain, irqn);
}
chained_irq_exit(chip, desc);
}
-static void __exception_irq_entry
-armada_370_xp_handle_irq(struct pt_regs *regs)
+static void __exception_irq_entry mpic_handle_irq(struct pt_regs *regs)
{
u32 irqstat, irqnr;
@@ -688,14 +672,13 @@ armada_370_xp_handle_irq(struct pt_regs *regs)
break;
if (irqnr > 1) {
- generic_handle_domain_irq(armada_370_xp_mpic_domain,
- irqnr);
+ generic_handle_domain_irq(mpic_domain, irqnr);
continue;
}
/* MSI handling */
if (irqnr == 1)
- armada_370_xp_handle_msi_irq(regs, false);
+ mpic_handle_msi_irq(regs, false);
#ifdef CONFIG_SMP
/* IPI Handling */
@@ -704,62 +687,60 @@ armada_370_xp_handle_irq(struct pt_regs *regs)
int ipi;
ipimask = readl_relaxed(per_cpu_int_base + MPIC_IN_DRBEL_CAUSE) &
- IPI_DOORBELL_MASK;
+ IPI_DOORBELL_MASK;
for_each_set_bit(ipi, &ipimask, IPI_DOORBELL_END)
- generic_handle_domain_irq(ipi_domain, ipi);
+ generic_handle_domain_irq(mpic_ipi_domain, ipi);
}
#endif
} while (1);
}
-static int armada_370_xp_mpic_suspend(void)
+static int mpic_suspend(void)
{
doorbell_mask_reg = readl(per_cpu_int_base + MPIC_IN_DRBEL_MASK);
return 0;
}
-static void armada_370_xp_mpic_resume(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++) {
struct irq_data *data;
unsigned int virq;
- virq = irq_linear_revmap(armada_370_xp_mpic_domain, irq);
+ virq = irq_linear_revmap(mpic_domain, irq);
if (!virq)
continue;
data = irq_get_irq_data(virq);
- if (!is_percpu_irq(irq)) {
+ if (!mpic_is_percpu_irq(irq)) {
/* Non per-CPU interrupts */
writel(irq, per_cpu_int_base + MPIC_INT_CLEAR_MASK);
if (!irqd_irq_disabled(data))
- armada_370_xp_irq_unmask(data);
+ mpic_irq_unmask(data);
} else {
/* Per-CPU interrupts */
writel(irq, main_int_base + MPIC_INT_SET_ENABLE);
/*
- * Re-enable on the current CPU,
- * armada_xp_mpic_reenable_percpu() will take
- * care of secondary CPUs when they come up.
+ * Re-enable on the current CPU, mpic_reenable_percpu()
+ * will take care of secondary CPUs when they come up.
*/
if (irq_percpu_is_enabled(virq))
- armada_370_xp_irq_unmask(data);
+ mpic_irq_unmask(data);
}
}
/* Reconfigure doorbells for IPIs and MSIs */
writel(doorbell_mask_reg, per_cpu_int_base + MPIC_IN_DRBEL_MASK);
- if (is_ipi_available()) {
+ if (mpic_is_ipi_available()) {
src0 = doorbell_mask_reg & IPI_DOORBELL_MASK;
src1 = doorbell_mask_reg & PCI_MSI_DOORBELL_MASK;
} else {
@@ -772,17 +753,17 @@ static void armada_370_xp_mpic_resume(void)
if (src1)
writel(1, per_cpu_int_base + MPIC_INT_CLEAR_MASK);
- if (is_ipi_available())
- ipi_resume();
+ if (mpic_is_ipi_available())
+ mpic_ipi_resume();
}
-static struct syscore_ops armada_370_xp_mpic_syscore_ops = {
- .suspend = armada_370_xp_mpic_suspend,
- .resume = armada_370_xp_mpic_resume,
+static struct syscore_ops mpic_syscore_ops = {
+ .suspend = mpic_suspend,
+ .resume = mpic_resume,
};
-static int __init armada_370_xp_mpic_of_init(struct device_node *node,
- struct device_node *parent)
+static int __init mpic_of_init(struct device_node *node,
+ struct device_node *parent)
{
struct resource main_int_res, per_cpu_int_res;
int nr_irqs;
@@ -812,10 +793,9 @@ static int __init armada_370_xp_mpic_of_init(struct device_node *node,
for (int i = 0; i < nr_irqs; i++)
writel(i, main_int_base + MPIC_INT_CLEAR_ENABLE);
- armada_370_xp_mpic_domain = irq_domain_add_linear(node, nr_irqs,
- &armada_370_xp_mpic_irq_ops, NULL);
- BUG_ON(!armada_370_xp_mpic_domain);
- irq_domain_update_bus_token(armada_370_xp_mpic_domain, DOMAIN_BUS_WIRED);
+ mpic_domain = irq_domain_add_linear(node, nr_irqs, &mpic_irq_ops, NULL);
+ BUG_ON(!mpic_domain);
+ irq_domain_update_bus_token(mpic_domain, DOMAIN_BUS_WIRED);
/*
* Initialize parent_irq before calling any other functions, since it is
@@ -824,19 +804,19 @@ static int __init armada_370_xp_mpic_of_init(struct device_node *node,
parent_irq = irq_of_parse_and_map(node, 0);
/* Setup for the boot CPU */
- armada_xp_mpic_perf_init();
- armada_xp_mpic_smp_cpu_init();
+ mpic_perf_init();
+ mpic_smp_cpu_init();
- armada_370_xp_msi_init(node, main_int_res.start);
+ mpic_msi_init(node, main_int_res.start);
if (parent_irq <= 0) {
- irq_set_default_host(armada_370_xp_mpic_domain);
- set_handle_irq(armada_370_xp_handle_irq);
+ irq_set_default_host(mpic_domain);
+ set_handle_irq(mpic_handle_irq);
#ifdef CONFIG_SMP
- armada_xp_ipi_init(node);
+ mpic_ipi_init(node);
cpuhp_setup_state_nocalls(CPUHP_AP_IRQ_ARMADA_XP_STARTING,
"irqchip/armada/ipi:starting",
- armada_xp_mpic_starting_cpu, NULL);
+ mpic_starting_cpu, NULL);
#endif
} else {
#ifdef CONFIG_SMP
@@ -844,13 +824,12 @@ static int __init armada_370_xp_mpic_of_init(struct device_node *node,
"irqchip/armada/cascade:starting",
mpic_cascaded_starting_cpu, NULL);
#endif
- irq_set_chained_handler(parent_irq,
- armada_370_xp_mpic_handle_cascade_irq);
+ irq_set_chained_handler(parent_irq, mpic_handle_cascade_irq);
}
- register_syscore_ops(&armada_370_xp_mpic_syscore_ops);
+ register_syscore_ops(&mpic_syscore_ops);
return 0;
}
-IRQCHIP_DECLARE(armada_370_xp_mpic, "marvell,mpic", armada_370_xp_mpic_of_init);
+IRQCHIP_DECLARE(marvell_mpic, "marvell,mpic", mpic_of_init);
|