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-rw-r--r--drivers/irqchip/irq-bcm7038-l1.c3
-rw-r--r--drivers/irqchip/irq-bcm7120-l2.c3
-rw-r--r--drivers/irqchip/irq-brcmstb-l2.c3
-rw-r--r--drivers/irqchip/irq-gic-v2m.c46
-rw-r--r--drivers/irqchip/irq-gic-v3-its-pci-msi.c2
-rw-r--r--drivers/irqchip/irq-gic-v3-its-platform-msi.c2
-rw-r--r--drivers/irqchip/irq-gic-v3-its.c18
-rw-r--r--drivers/irqchip/irq-gic-v3.c4
-rw-r--r--drivers/irqchip/irq-imx-gpcv2.c14
-rw-r--r--drivers/irqchip/irq-mips-gic.c2
10 files changed, 38 insertions, 59 deletions
diff --git a/drivers/irqchip/irq-bcm7038-l1.c b/drivers/irqchip/irq-bcm7038-l1.c
index 55cfb986225b..faf734ff4cf3 100644
--- a/drivers/irqchip/irq-bcm7038-l1.c
+++ b/drivers/irqchip/irq-bcm7038-l1.c
@@ -339,9 +339,6 @@ int __init bcm7038_l1_of_init(struct device_node *dn,
goto out_unmap;
}
- pr_info("registered BCM7038 L1 intc (mem: 0x%p, IRQs: %d)\n",
- intc->cpus[0]->map_base, IRQS_PER_WORD * intc->n_words);
-
return 0;
out_unmap:
diff --git a/drivers/irqchip/irq-bcm7120-l2.c b/drivers/irqchip/irq-bcm7120-l2.c
index 983640eba418..8968e5e93fcb 100644
--- a/drivers/irqchip/irq-bcm7120-l2.c
+++ b/drivers/irqchip/irq-bcm7120-l2.c
@@ -318,9 +318,6 @@ static int __init bcm7120_l2_intc_probe(struct device_node *dn,
}
}
- pr_info("registered %s intc (mem: 0x%p, parent IRQ(s): %d)\n",
- intc_name, data->map_base[0], data->num_parent_irqs);
-
return 0;
out_free_domain:
diff --git a/drivers/irqchip/irq-brcmstb-l2.c b/drivers/irqchip/irq-brcmstb-l2.c
index 691d20eb0bec..0e65f609352e 100644
--- a/drivers/irqchip/irq-brcmstb-l2.c
+++ b/drivers/irqchip/irq-brcmstb-l2.c
@@ -262,9 +262,6 @@ static int __init brcmstb_l2_intc_of_init(struct device_node *np,
ct->chip.irq_set_wake = irq_gc_set_wake;
}
- pr_info("registered L2 intc (mem: 0x%p, parent irq: %d)\n",
- base, parent_irq);
-
return 0;
out_free_domain:
diff --git a/drivers/irqchip/irq-gic-v2m.c b/drivers/irqchip/irq-gic-v2m.c
index 993a8426a453..1ff38aff9f29 100644
--- a/drivers/irqchip/irq-gic-v2m.c
+++ b/drivers/irqchip/irq-gic-v2m.c
@@ -94,7 +94,7 @@ static struct irq_chip gicv2m_msi_irq_chip = {
static struct msi_domain_info gicv2m_msi_domain_info = {
.flags = (MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
- MSI_FLAG_PCI_MSIX),
+ MSI_FLAG_PCI_MSIX | MSI_FLAG_MULTI_PCI_MSI),
.chip = &gicv2m_msi_irq_chip,
};
@@ -155,18 +155,12 @@ static int gicv2m_irq_gic_domain_alloc(struct irq_domain *domain,
return 0;
}
-static void gicv2m_unalloc_msi(struct v2m_data *v2m, unsigned int hwirq)
+static void gicv2m_unalloc_msi(struct v2m_data *v2m, unsigned int hwirq,
+ int nr_irqs)
{
- int pos;
-
- pos = hwirq - v2m->spi_start;
- if (pos < 0 || pos >= v2m->nr_spis) {
- pr_err("Failed to teardown msi. Invalid hwirq %d\n", hwirq);
- return;
- }
-
spin_lock(&v2m_lock);
- __clear_bit(pos, v2m->bm);
+ bitmap_release_region(v2m->bm, hwirq - v2m->spi_start,
+ get_count_order(nr_irqs));
spin_unlock(&v2m_lock);
}
@@ -174,13 +168,13 @@ static int gicv2m_irq_domain_alloc(struct irq_domain *domain, unsigned int virq,
unsigned int nr_irqs, void *args)
{
struct v2m_data *v2m = NULL, *tmp;
- int hwirq, offset, err = 0;
+ int hwirq, offset, i, err = 0;
spin_lock(&v2m_lock);
list_for_each_entry(tmp, &v2m_nodes, entry) {
- offset = find_first_zero_bit(tmp->bm, tmp->nr_spis);
- if (offset < tmp->nr_spis) {
- __set_bit(offset, tmp->bm);
+ offset = bitmap_find_free_region(tmp->bm, tmp->nr_spis,
+ get_count_order(nr_irqs));
+ if (offset >= 0) {
v2m = tmp;
break;
}
@@ -192,16 +186,21 @@ static int gicv2m_irq_domain_alloc(struct irq_domain *domain, unsigned int virq,
hwirq = v2m->spi_start + offset;
- err = gicv2m_irq_gic_domain_alloc(domain, virq, hwirq);
- if (err) {
- gicv2m_unalloc_msi(v2m, hwirq);
- return err;
- }
+ for (i = 0; i < nr_irqs; i++) {
+ err = gicv2m_irq_gic_domain_alloc(domain, virq + i, hwirq + i);
+ if (err)
+ goto fail;
- irq_domain_set_hwirq_and_chip(domain, virq, hwirq,
- &gicv2m_irq_chip, v2m);
+ irq_domain_set_hwirq_and_chip(domain, virq + i, hwirq + i,
+ &gicv2m_irq_chip, v2m);
+ }
return 0;
+
+fail:
+ irq_domain_free_irqs_parent(domain, virq, nr_irqs);
+ gicv2m_unalloc_msi(v2m, hwirq, get_count_order(nr_irqs));
+ return err;
}
static void gicv2m_irq_domain_free(struct irq_domain *domain,
@@ -210,8 +209,7 @@ static void gicv2m_irq_domain_free(struct irq_domain *domain,
struct irq_data *d = irq_domain_get_irq_data(domain, virq);
struct v2m_data *v2m = irq_data_get_irq_chip_data(d);
- BUG_ON(nr_irqs != 1);
- gicv2m_unalloc_msi(v2m, d->hwirq);
+ gicv2m_unalloc_msi(v2m, d->hwirq, nr_irqs);
irq_domain_free_irqs_parent(domain, virq, nr_irqs);
}
diff --git a/drivers/irqchip/irq-gic-v3-its-pci-msi.c b/drivers/irqchip/irq-gic-v3-its-pci-msi.c
index 14a8c0a7e095..25a98de5cfb2 100644
--- a/drivers/irqchip/irq-gic-v3-its-pci-msi.c
+++ b/drivers/irqchip/irq-gic-v3-its-pci-msi.c
@@ -132,6 +132,8 @@ static int __init its_pci_of_msi_init(void)
for (np = of_find_matching_node(NULL, its_device_id); np;
np = of_find_matching_node(np, its_device_id)) {
+ if (!of_device_is_available(np))
+ continue;
if (!of_property_read_bool(np, "msi-controller"))
continue;
diff --git a/drivers/irqchip/irq-gic-v3-its-platform-msi.c b/drivers/irqchip/irq-gic-v3-its-platform-msi.c
index 833a90fe33ae..8881a053c173 100644
--- a/drivers/irqchip/irq-gic-v3-its-platform-msi.c
+++ b/drivers/irqchip/irq-gic-v3-its-platform-msi.c
@@ -154,6 +154,8 @@ static void __init its_pmsi_of_init(void)
for (np = of_find_matching_node(NULL, its_device_id); np;
np = of_find_matching_node(np, its_device_id)) {
+ if (!of_device_is_available(np))
+ continue;
if (!of_property_read_bool(np, "msi-controller"))
continue;
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 06f025fd5726..b84bbcdc3fec 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -1412,7 +1412,7 @@ static struct irq_chip its_irq_chip = {
* This gives us (((1UL << id_bits) - 8192) >> 5) possible allocations.
*/
#define IRQS_PER_CHUNK_SHIFT 5
-#define IRQS_PER_CHUNK (1 << IRQS_PER_CHUNK_SHIFT)
+#define IRQS_PER_CHUNK (1UL << IRQS_PER_CHUNK_SHIFT)
#define ITS_MAX_LPI_NRBITS 16 /* 64K LPIs */
static unsigned long *lpi_bitmap;
@@ -2119,11 +2119,10 @@ static struct its_device *its_create_device(struct its_node *its, u32 dev_id,
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
/*
- * At least one bit of EventID is being used, hence a minimum
- * of two entries. No, the architecture doesn't let you
- * express an ITT with a single entry.
+ * We allocate at least one chunk worth of LPIs bet device,
+ * and thus that many ITEs. The device may require less though.
*/
- nr_ites = max(2UL, roundup_pow_of_two(nvecs));
+ nr_ites = max(IRQS_PER_CHUNK, roundup_pow_of_two(nvecs));
sz = nr_ites * its->ite_size;
sz = max(sz, ITS_ITT_ALIGN) + ITS_ITT_ALIGN - 1;
itt = kzalloc(sz, GFP_KERNEL);
@@ -2495,7 +2494,7 @@ static int its_vpe_set_affinity(struct irq_data *d,
static void its_vpe_schedule(struct its_vpe *vpe)
{
- void * __iomem vlpi_base = gic_data_rdist_vlpi_base();
+ void __iomem *vlpi_base = gic_data_rdist_vlpi_base();
u64 val;
/* Schedule the VPE */
@@ -2527,7 +2526,7 @@ static void its_vpe_schedule(struct its_vpe *vpe)
static void its_vpe_deschedule(struct its_vpe *vpe)
{
- void * __iomem vlpi_base = gic_data_rdist_vlpi_base();
+ void __iomem *vlpi_base = gic_data_rdist_vlpi_base();
u32 count = 1000000; /* 1s! */
bool clean;
u64 val;
@@ -3314,6 +3313,8 @@ static int __init its_of_probe(struct device_node *node)
for (np = of_find_matching_node(node, its_device_id); np;
np = of_find_matching_node(np, its_device_id)) {
+ if (!of_device_is_available(np))
+ continue;
if (!of_property_read_bool(np, "msi-controller")) {
pr_warn("%pOF: no msi-controller property, ITS ignored\n",
np);
@@ -3450,7 +3451,8 @@ static int __init gic_acpi_parse_madt_its(struct acpi_subtable_header *header,
return -ENOMEM;
}
- err = iort_register_domain_token(its_entry->translation_id, dom_handle);
+ err = iort_register_domain_token(its_entry->translation_id, res.start,
+ dom_handle);
if (err) {
pr_err("ITS@%pa: Unable to register GICv3 ITS domain token (ITS ID %d) to IORT\n",
&res.start, its_entry->translation_id);
diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index a57c0fbbd34a..d99cc07903ec 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -673,7 +673,7 @@ static void gic_send_sgi(u64 cluster_id, u16 tlist, unsigned int irq)
MPIDR_TO_SGI_RS(cluster_id) |
tlist << ICC_SGI1R_TARGET_LIST_SHIFT);
- pr_debug("CPU%d: ICC_SGI1R_EL1 %llx\n", smp_processor_id(), val);
+ pr_devel("CPU%d: ICC_SGI1R_EL1 %llx\n", smp_processor_id(), val);
gic_write_sgi1r(val);
}
@@ -688,7 +688,7 @@ static void gic_raise_softirq(const struct cpumask *mask, unsigned int irq)
* Ensure that stores to Normal memory are visible to the
* other CPUs before issuing the IPI.
*/
- smp_wmb();
+ wmb();
for_each_cpu(cpu, mask) {
u64 cluster_id = MPIDR_TO_SGI_CLUSTER_ID(cpu_logical_map(cpu));
diff --git a/drivers/irqchip/irq-imx-gpcv2.c b/drivers/irqchip/irq-imx-gpcv2.c
index 675eda5ff2b8..4760307ab43f 100644
--- a/drivers/irqchip/irq-imx-gpcv2.c
+++ b/drivers/irqchip/irq-imx-gpcv2.c
@@ -28,20 +28,6 @@ struct gpcv2_irqchip_data {
static struct gpcv2_irqchip_data *imx_gpcv2_instance;
-/*
- * Interface for the low level wakeup code.
- */
-u32 imx_gpcv2_get_wakeup_source(u32 **sources)
-{
- if (!imx_gpcv2_instance)
- return 0;
-
- if (sources)
- *sources = imx_gpcv2_instance->wakeup_sources;
-
- return IMR_NUM;
-}
-
static int gpcv2_wakeup_source_save(void)
{
struct gpcv2_irqchip_data *cd;
diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c
index ef92a4d2038e..d32268cc1174 100644
--- a/drivers/irqchip/irq-mips-gic.c
+++ b/drivers/irqchip/irq-mips-gic.c
@@ -424,8 +424,6 @@ static int gic_shared_irq_domain_map(struct irq_domain *d, unsigned int virq,
spin_lock_irqsave(&gic_lock, flags);
write_gic_map_pin(intr, GIC_MAP_PIN_MAP_TO_PIN | gic_cpu_pin);
write_gic_map_vp(intr, BIT(mips_cm_vp_id(cpu)));
- gic_clear_pcpu_masks(intr);
- set_bit(intr, per_cpu_ptr(pcpu_masks, cpu));
irq_data_update_effective_affinity(data, cpumask_of(cpu));
spin_unlock_irqrestore(&gic_lock, flags);
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-31 21:50:30 +0000