diff options
Diffstat (limited to 'drivers/irqchip')
| -rw-r--r-- | drivers/irqchip/Makefile | 2 | ||||
| -rw-r--r-- | drivers/irqchip/irq-bcm6345-l1.c | 1 | ||||
| -rw-r--r-- | drivers/irqchip/irq-bcm7038-l1.c | 1 | ||||
| -rw-r--r-- | drivers/irqchip/irq-bcm7120-l2.c | 1 | ||||
| -rw-r--r-- | drivers/irqchip/irq-brcmstb-l2.c | 1 | ||||
| -rw-r--r-- | drivers/irqchip/irq-eznps.c | 4 | ||||
| -rw-r--r-- | drivers/irqchip/irq-gic-v2m.c | 3 | ||||
| -rw-r--r-- | drivers/irqchip/irq-gic-v3-its.c | 3 | ||||
| -rw-r--r-- | drivers/irqchip/irq-gic-v3.c | 2 | ||||
| -rw-r--r-- | drivers/irqchip/irq-i8259.c | 30 | ||||
| -rw-r--r-- | drivers/irqchip/irq-jcore-aic.c | 20 | ||||
| -rw-r--r-- | drivers/irqchip/irq-metag-ext.c | 1 | ||||
| -rw-r--r-- | drivers/irqchip/irq-vic.c | 1 |
13 files changed, 39 insertions, 31 deletions
diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile index b372e792adc2..e4dbfc85abdb 100644 --- a/drivers/irqchip/Makefile +++ b/drivers/irqchip/Makefile @@ -25,7 +25,7 @@ obj-$(CONFIG_ARCH_SUNXI) += irq-sunxi-nmi.o obj-$(CONFIG_ARCH_SPEAR3XX) += spear-shirq.o obj-$(CONFIG_ARM_GIC) += irq-gic.o irq-gic-common.o obj-$(CONFIG_ARM_GIC_PM) += irq-gic-pm.o -obj-$(CONFIG_REALVIEW_DT) += irq-gic-realview.o +obj-$(CONFIG_ARCH_REALVIEW) += irq-gic-realview.o obj-$(CONFIG_ARM_GIC_V2M) += irq-gic-v2m.o obj-$(CONFIG_ARM_GIC_V3) += irq-gic-v3.o irq-gic-common.o obj-$(CONFIG_ARM_GIC_V3_ITS) += irq-gic-v3-its.o irq-gic-v3-its-pci-msi.o irq-gic-v3-its-platform-msi.o diff --git a/drivers/irqchip/irq-bcm6345-l1.c b/drivers/irqchip/irq-bcm6345-l1.c index b844c89a9506..daa4ae89e466 100644 --- a/drivers/irqchip/irq-bcm6345-l1.c +++ b/drivers/irqchip/irq-bcm6345-l1.c @@ -52,7 +52,6 @@ #include <linux/bitops.h> #include <linux/cpumask.h> -#include <linux/kconfig.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/interrupt.h> diff --git a/drivers/irqchip/irq-bcm7038-l1.c b/drivers/irqchip/irq-bcm7038-l1.c index 0fea985ef1dc..353c54986211 100644 --- a/drivers/irqchip/irq-bcm7038-l1.c +++ b/drivers/irqchip/irq-bcm7038-l1.c @@ -12,7 +12,6 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/bitops.h> -#include <linux/kconfig.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/interrupt.h> diff --git a/drivers/irqchip/irq-bcm7120-l2.c b/drivers/irqchip/irq-bcm7120-l2.c index 0ec92631e23c..64c2692070ef 100644 --- a/drivers/irqchip/irq-bcm7120-l2.c +++ b/drivers/irqchip/irq-bcm7120-l2.c @@ -13,7 +13,6 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/module.h> -#include <linux/kconfig.h> #include <linux/kernel.h> #include <linux/platform_device.h> #include <linux/of.h> diff --git a/drivers/irqchip/irq-brcmstb-l2.c b/drivers/irqchip/irq-brcmstb-l2.c index 1d4a5b46d9ae..bddf169c4b37 100644 --- a/drivers/irqchip/irq-brcmstb-l2.c +++ b/drivers/irqchip/irq-brcmstb-l2.c @@ -18,7 +18,6 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/module.h> -#include <linux/kconfig.h> #include <linux/platform_device.h> #include <linux/spinlock.h> #include <linux/of.h> diff --git a/drivers/irqchip/irq-eznps.c b/drivers/irqchip/irq-eznps.c index efbf0e4304b7..ebc2b0b15f67 100644 --- a/drivers/irqchip/irq-eznps.c +++ b/drivers/irqchip/irq-eznps.c @@ -85,7 +85,7 @@ static void nps400_irq_eoi_global(struct irq_data *irqd) nps_ack_gic(); } -static void nps400_irq_eoi(struct irq_data *irqd) +static void nps400_irq_ack(struct irq_data *irqd) { unsigned int __maybe_unused irq = irqd_to_hwirq(irqd); @@ -103,7 +103,7 @@ static struct irq_chip nps400_irq_chip_percpu = { .name = "NPS400 IC", .irq_mask = nps400_irq_mask, .irq_unmask = nps400_irq_unmask, - .irq_eoi = nps400_irq_eoi, + .irq_ack = nps400_irq_ack, }; static int nps400_irq_map(struct irq_domain *d, unsigned int virq, diff --git a/drivers/irqchip/irq-gic-v2m.c b/drivers/irqchip/irq-gic-v2m.c index 35eb7ac5d21f..863e073c6f7f 100644 --- a/drivers/irqchip/irq-gic-v2m.c +++ b/drivers/irqchip/irq-gic-v2m.c @@ -16,6 +16,7 @@ #define pr_fmt(fmt) "GICv2m: " fmt #include <linux/acpi.h> +#include <linux/dma-iommu.h> #include <linux/irq.h> #include <linux/irqdomain.h> #include <linux/kernel.h> @@ -108,6 +109,8 @@ static void gicv2m_compose_msi_msg(struct irq_data *data, struct msi_msg *msg) if (v2m->flags & GICV2M_NEEDS_SPI_OFFSET) msg->data -= v2m->spi_offset; + + iommu_dma_map_msi_msg(data->irq, msg); } static struct irq_chip gicv2m_irq_chip = { diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 35c851c14e49..003495d91f9c 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -19,6 +19,7 @@ #include <linux/bitmap.h> #include <linux/cpu.h> #include <linux/delay.h> +#include <linux/dma-iommu.h> #include <linux/interrupt.h> #include <linux/irqdomain.h> #include <linux/acpi_iort.h> @@ -659,6 +660,8 @@ static void its_irq_compose_msi_msg(struct irq_data *d, struct msi_msg *msg) msg->address_lo = addr & ((1UL << 32) - 1); msg->address_hi = addr >> 32; msg->data = its_get_event_id(d); + + iommu_dma_map_msi_msg(d->irq, msg); } static struct irq_chip its_irq_chip = { diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c index 9b81bd8b929c..19d642eae096 100644 --- a/drivers/irqchip/irq-gic-v3.c +++ b/drivers/irqchip/irq-gic-v3.c @@ -153,7 +153,7 @@ static void gic_enable_redist(bool enable) return; /* No PM support in this redistributor */ } - while (count--) { + while (--count) { val = readl_relaxed(rbase + GICR_WAKER); if (enable ^ (bool)(val & GICR_WAKER_ChildrenAsleep)) break; diff --git a/drivers/irqchip/irq-i8259.c b/drivers/irqchip/irq-i8259.c index 6b304eb39bd2..1aec12c6d9ac 100644 --- a/drivers/irqchip/irq-i8259.c +++ b/drivers/irqchip/irq-i8259.c @@ -38,6 +38,7 @@ static void disable_8259A_irq(struct irq_data *d); static void enable_8259A_irq(struct irq_data *d); static void mask_and_ack_8259A(struct irq_data *d); static void init_8259A(int auto_eoi); +static int (*i8259_poll)(void) = i8259_irq; static struct irq_chip i8259A_chip = { .name = "XT-PIC", @@ -51,6 +52,11 @@ static struct irq_chip i8259A_chip = { * 8259A PIC functions to handle ISA devices: */ +void i8259_set_poll(int (*poll)(void)) +{ + i8259_poll = poll; +} + /* * This contains the irq mask for both 8259A irq controllers, */ @@ -89,24 +95,6 @@ static void enable_8259A_irq(struct irq_data *d) raw_spin_unlock_irqrestore(&i8259A_lock, flags); } -int i8259A_irq_pending(unsigned int irq) -{ - unsigned int mask; - unsigned long flags; - int ret; - - irq -= I8259A_IRQ_BASE; - mask = 1 << irq; - raw_spin_lock_irqsave(&i8259A_lock, flags); - if (irq < 8) - ret = inb(PIC_MASTER_CMD) & mask; - else - ret = inb(PIC_SLAVE_CMD) & (mask >> 8); - raw_spin_unlock_irqrestore(&i8259A_lock, flags); - - return ret; -} - void make_8259A_irq(unsigned int irq) { disable_irq_nosync(irq); @@ -355,7 +343,7 @@ void __init init_i8259_irqs(void) static void i8259_irq_dispatch(struct irq_desc *desc) { struct irq_domain *domain = irq_desc_get_handler_data(desc); - int hwirq = i8259_irq(); + int hwirq = i8259_poll(); unsigned int irq; if (hwirq < 0) @@ -370,13 +358,15 @@ int __init i8259_of_init(struct device_node *node, struct device_node *parent) struct irq_domain *domain; unsigned int parent_irq; + domain = __init_i8259_irqs(node); + parent_irq = irq_of_parse_and_map(node, 0); if (!parent_irq) { pr_err("Failed to map i8259 parent IRQ\n"); + irq_domain_remove(domain); return -ENODEV; } - domain = __init_i8259_irqs(node); irq_set_chained_handler_and_data(parent_irq, i8259_irq_dispatch, domain); return 0; diff --git a/drivers/irqchip/irq-jcore-aic.c b/drivers/irqchip/irq-jcore-aic.c index 84b01dec277d..033bccb41455 100644 --- a/drivers/irqchip/irq-jcore-aic.c +++ b/drivers/irqchip/irq-jcore-aic.c @@ -25,12 +25,30 @@ static struct irq_chip jcore_aic; +/* + * The J-Core AIC1 and AIC2 are cpu-local interrupt controllers and do + * not distinguish or use distinct irq number ranges for per-cpu event + * interrupts (timer, IPI). Since information to determine whether a + * particular irq number should be treated as per-cpu is not available + * at mapping time, we use a wrapper handler function which chooses + * the right handler at runtime based on whether IRQF_PERCPU was used + * when requesting the irq. + */ + +static void handle_jcore_irq(struct irq_desc *desc) +{ + if (irqd_is_per_cpu(irq_desc_get_irq_data(desc))) + handle_percpu_irq(desc); + else + handle_simple_irq(desc); +} + static int jcore_aic_irqdomain_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hwirq) { struct irq_chip *aic = d->host_data; - irq_set_chip_and_handler(irq, aic, handle_simple_irq); + irq_set_chip_and_handler(irq, aic, handle_jcore_irq); return 0; } diff --git a/drivers/irqchip/irq-metag-ext.c b/drivers/irqchip/irq-metag-ext.c index 8c38b3d92e1c..0cdd923d1535 100644 --- a/drivers/irqchip/irq-metag-ext.c +++ b/drivers/irqchip/irq-metag-ext.c @@ -436,7 +436,6 @@ static int meta_intc_irq_set_type(struct irq_data *data, unsigned int flow_type) /** * meta_intc_irq_demux() - external irq de-multiplexer - * @irq: the virtual interrupt number * @desc: the interrupt description structure for this irq * * The cpu receives an interrupt on TR2 when a SoC interrupt has occurred. It is diff --git a/drivers/irqchip/irq-vic.c b/drivers/irqchip/irq-vic.c index f811a7de5857..74192f62dd67 100644 --- a/drivers/irqchip/irq-vic.c +++ b/drivers/irqchip/irq-vic.c @@ -498,7 +498,6 @@ void __init vic_init(void __iomem *base, unsigned int irq_start, * vic_init_cascaded() - initialise a cascaded vectored interrupt controller * @base: iomem base address * @parent_irq: the parent IRQ we're cascaded off - * @irq_start: starting interrupt number, must be muliple of 32 * @vic_sources: bitmask of interrupt sources to allow * @resume_sources: bitmask of interrupt sources to allow for resume * |
