diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-20 13:22:50 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-20 13:23:01 -0700 |
commit | 9301975ec251bab1ad7cfcb84a688b26187e4e4a (patch) | |
tree | 91e48be0bdc67cbcb75bc8a299a3dcf168e0a814 /drivers | |
parent | 7110879cf2afbfb7af79675f5ff109e63d631c25 (diff) | |
parent | dd3a1db900f2a215a7d7dd71b836e149a6cf5fed (diff) |
Merge branch 'genirq-v28-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
This merges branches irq/genirq, irq/sparseirq-v4, timers/hpet-percpu
and x86/uv.
The sparseirq branch is just preliminary groundwork: no sparse IRQs are
actually implemented by this tree anymore - just the new APIs are added
while keeping the old way intact as well (the new APIs map 1:1 to
irq_desc[]). The 'real' sparse IRQ support will then be a relatively
small patch ontop of this - with a v2.6.29 merge target.
* 'genirq-v28-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (178 commits)
genirq: improve include files
intr_remapping: fix typo
io_apic: make irq_mis_count available on 64-bit too
genirq: fix name space collisions of nr_irqs in arch/*
genirq: fix name space collision of nr_irqs in autoprobe.c
genirq: use iterators for irq_desc loops
proc: fixup irq iterator
genirq: add reverse iterator for irq_desc
x86: move ack_bad_irq() to irq.c
x86: unify show_interrupts() and proc helpers
x86: cleanup show_interrupts
genirq: cleanup the sparseirq modifications
genirq: remove artifacts from sparseirq removal
genirq: revert dynarray
genirq: remove irq_to_desc_alloc
genirq: remove sparse irq code
genirq: use inline function for irq_to_desc
genirq: consolidate nr_irqs and for_each_irq_desc()
x86: remove sparse irq from Kconfig
genirq: define nr_irqs for architectures with GENERIC_HARDIRQS=n
...
Diffstat (limited to 'drivers')
35 files changed, 283 insertions, 154 deletions
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index f3cfb4c76125..408f5f92cb4e 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -219,7 +219,7 @@ static void hpet_timer_set_irq(struct hpet_dev *devp) for (irq = find_first_bit(&v, HPET_MAX_IRQ); irq < HPET_MAX_IRQ; irq = find_next_bit(&v, HPET_MAX_IRQ, 1 + irq)) { - if (irq >= NR_IRQS) { + if (irq >= nr_irqs) { irq = HPET_MAX_IRQ; break; } diff --git a/drivers/char/random.c b/drivers/char/random.c index c8752eaad483..705a839f1796 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -558,9 +558,26 @@ struct timer_rand_state { unsigned dont_count_entropy:1; }; -static struct timer_rand_state input_timer_state; static struct timer_rand_state *irq_timer_state[NR_IRQS]; +static struct timer_rand_state *get_timer_rand_state(unsigned int irq) +{ + if (irq >= nr_irqs) + return NULL; + + return irq_timer_state[irq]; +} + +static void set_timer_rand_state(unsigned int irq, struct timer_rand_state *state) +{ + if (irq >= nr_irqs) + return; + + irq_timer_state[irq] = state; +} + +static struct timer_rand_state input_timer_state; + /* * This function adds entropy to the entropy "pool" by using timing * delays. It uses the timer_rand_state structure to make an estimate @@ -648,11 +665,15 @@ EXPORT_SYMBOL_GPL(add_input_randomness); void add_interrupt_randomness(int irq) { - if (irq >= NR_IRQS || irq_timer_state[irq] == NULL) + struct timer_rand_state *state; + + state = get_timer_rand_state(irq); + + if (state == NULL) return; DEBUG_ENT("irq event %d\n", irq); - add_timer_randomness(irq_timer_state[irq], 0x100 + irq); + add_timer_randomness(state, 0x100 + irq); } #ifdef CONFIG_BLOCK @@ -912,7 +933,12 @@ void rand_initialize_irq(int irq) { struct timer_rand_state *state; - if (irq >= NR_IRQS || irq_timer_state[irq]) + if (irq >= nr_irqs) + return; + + state = get_timer_rand_state(irq); + + if (state) return; /* @@ -921,7 +947,7 @@ void rand_initialize_irq(int irq) */ state = kzalloc(sizeof(struct timer_rand_state), GFP_KERNEL); if (state) - irq_timer_state[irq] = state; + set_timer_rand_state(irq, state); } #ifdef CONFIG_BLOCK diff --git a/drivers/char/vr41xx_giu.c b/drivers/char/vr41xx_giu.c index ffe9b4e3072e..54c837288d19 100644 --- a/drivers/char/vr41xx_giu.c +++ b/drivers/char/vr41xx_giu.c @@ -641,7 +641,7 @@ static int __devinit giu_probe(struct platform_device *dev) } irq = platform_get_irq(dev, 0); - if (irq < 0 || irq >= NR_IRQS) + if (irq < 0 || irq >= nr_irqs) return -EBUSY; return cascade_irq(irq, giu_get_irq); diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 22edc4273ef6..faa1cc66e9cf 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -1143,7 +1143,7 @@ static void gpiolib_dbg_show(struct seq_file *s, struct gpio_chip *chip) if (!is_out) { int irq = gpio_to_irq(gpio); - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); /* This races with request_irq(), set_irq_type(), * and set_irq_wake() ... but those are "rare". diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c index ba5aa2008273..e4c0db4dc7b1 100644 --- a/drivers/mfd/asic3.c +++ b/drivers/mfd/asic3.c @@ -123,7 +123,7 @@ static void asic3_irq_demux(unsigned int irq, struct irq_desc *desc) irqnr = asic->irq_base + (ASIC3_GPIOS_PER_BANK * bank) + i; - desc = irq_desc + irqnr; + desc = irq_to_desc(irqnr); desc->handle_irq(irqnr, desc); if (asic->irq_bothedge[bank] & bit) asic3_irq_flip_edge(asic, base, @@ -136,7 +136,7 @@ static void asic3_irq_demux(unsigned int irq, struct irq_desc *desc) for (i = ASIC3_NUM_GPIOS; i < ASIC3_NR_IRQS; i++) { /* They start at bit 4 and go up */ if (status & (1 << (i - ASIC3_NUM_GPIOS + 4))) { - desc = irq_desc + asic->irq_base + i; + desc = irq_to_desc(asic->irq_base + i); desc->handle_irq(asic->irq_base + i, desc); } diff --git a/drivers/mfd/htc-egpio.c b/drivers/mfd/htc-egpio.c index 50dff6e0088d..1a4d04664d6d 100644 --- a/drivers/mfd/htc-egpio.c +++ b/drivers/mfd/htc-egpio.c @@ -112,7 +112,7 @@ static void egpio_handler(unsigned int irq, struct irq_desc *desc) /* Run irq handler */ pr_debug("got IRQ %d\n", irqpin); irq = ei->irq_start + irqpin; - desc = &irq_desc[irq]; + desc = irq_to_desc(irq); desc->handle_irq(irq, desc); } } diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c index 491ee16da5c1..9ba295d9dd97 100644 --- a/drivers/net/3c59x.c +++ b/drivers/net/3c59x.c @@ -90,7 +90,7 @@ static int vortex_debug = 1; #include <linux/eisa.h> #include <linux/bitops.h> #include <linux/jiffies.h> -#include <asm/irq.h> /* For NR_IRQS only. */ +#include <asm/irq.h> /* For nr_irqs only. */ #include <asm/io.h> #include <asm/uaccess.h> @@ -1221,7 +1221,7 @@ static int __devinit vortex_probe1(struct device *gendev, if (print_info) printk(", IRQ %d\n", dev->irq); /* Tell them about an invalid IRQ. */ - if (dev->irq <= 0 || dev->irq >= NR_IRQS) + if (dev->irq <= 0 || dev->irq >= nr_irqs) printk(KERN_WARNING " *** Warning: IRQ %d is unlikely to work! ***\n", dev->irq); diff --git a/drivers/net/hamradio/baycom_ser_fdx.c b/drivers/net/hamradio/baycom_ser_fdx.c index 17ac6975d70d..b6a816e60c0f 100644 --- a/drivers/net/hamradio/baycom_ser_fdx.c +++ b/drivers/net/hamradio/baycom_ser_fdx.c @@ -416,10 +416,10 @@ static int ser12_open(struct net_device *dev) if (!dev || !bc) return -ENXIO; if (!dev->base_addr || dev->base_addr > 0xffff-SER12_EXTENT || - dev->irq < 2 || dev->irq > NR_IRQS) { + dev->irq < 2 || dev->irq > nr_irqs) { printk(KERN_INFO "baycom_ser_fdx: invalid portnumber (max %u) " "or irq (2 <= irq <= %d)\n", - 0xffff-SER12_EXTENT, NR_IRQS); + 0xffff-SER12_EXTENT, nr_irqs); return -ENXIO; } if (bc->baud < 300 || bc->baud > 4800) { diff --git a/drivers/net/hamradio/scc.c b/drivers/net/hamradio/scc.c index 45ae9d1191d7..c17e39bc5460 100644 --- a/drivers/net/hamradio/scc.c +++ b/drivers/net/hamradio/scc.c @@ -1465,7 +1465,7 @@ static void z8530_init(void) printk(KERN_INFO "Init Z8530 driver: %u channels, IRQ", Nchips*2); flag=" "; - for (k = 0; k < NR_IRQS; k++) + for (k = 0; k < nr_irqs; k++) if (Ivec[k].used) { printk("%s%d", flag, k); @@ -1728,7 +1728,7 @@ static int scc_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) if (hwcfg.irq == 2) hwcfg.irq = 9; - if (hwcfg.irq < 0 || hwcfg.irq >= NR_IRQS) + if (hwcfg.irq < 0 || hwcfg.irq >= nr_irqs) return -EINVAL; if (!Ivec[hwcfg.irq].used && hwcfg.irq) @@ -2148,7 +2148,7 @@ static void __exit scc_cleanup_driver(void) } /* To unload the port must be closed so no real IRQ pending */ - for (k=0; k < NR_IRQS ; k++) + for (k = 0; k < nr_irqs ; k++) if (Ivec[k].used) free_irq(k, NULL); local_irq_enable(); diff --git a/drivers/net/wan/sbni.c b/drivers/net/wan/sbni.c index f972fef87c98..ee51b6a5e605 100644 --- a/drivers/net/wan/sbni.c +++ b/drivers/net/wan/sbni.c @@ -318,7 +318,7 @@ sbni_pci_probe( struct net_device *dev ) continue; } - if( pci_irq_line <= 0 || pci_irq_line >= NR_IRQS ) + if (pci_irq_line <= 0 || pci_irq_line >= nr_irqs) printk( KERN_WARNING " WARNING: The PCI BIOS assigned " "this PCI card to IRQ %d, which is unlikely " "to work!.\n" diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c index fd56128525d1..3bc54b30c3a1 100644 --- a/drivers/parisc/dino.c +++ b/drivers/parisc/dino.c @@ -298,7 +298,8 @@ struct pci_port_ops dino_port_ops = { static void dino_disable_irq(unsigned int irq) { - struct dino_device *dino_dev = irq_desc[irq].chip_data; + struct irq_desc *desc = irq_to_desc(irq); + struct dino_device *dino_dev = desc->chip_data; int local_irq = gsc_find_local_irq(irq, dino_dev->global_irq, DINO_LOCAL_IRQS); DBG(KERN_WARNING "%s(0x%p, %d)\n", __func__, dino_dev, irq); @@ -310,7 +311,8 @@ static void dino_disable_irq(unsigned int irq) static void dino_enable_irq(unsigned int irq) { - struct dino_device *dino_dev = irq_desc[irq].chip_data; + struct irq_desc *desc = irq_to_desc(irq); + struct dino_device *dino_dev = desc->chip_data; int local_irq = gsc_find_local_irq(irq, dino_dev->global_irq, DINO_LOCAL_IRQS); u32 tmp; diff --git a/drivers/parisc/eisa.c b/drivers/parisc/eisa.c index 771cef592542..7891db50c483 100644 --- a/drivers/parisc/eisa.c +++ b/drivers/parisc/eisa.c @@ -346,10 +346,10 @@ static int __init eisa_probe(struct parisc_device *dev) } /* Reserve IRQ2 */ - irq_desc[2].action = &irq2_action; + irq_to_desc(2)->action = &irq2_action; for (i = 0; i < 16; i++) { - irq_desc[i].chip = &eisa_interrupt_type; + irq_to_desc(i)->chip = &eisa_interrupt_type; } EISA_bus = 1; diff --git a/drivers/parisc/gsc.c b/drivers/parisc/gsc.c index f7d088b897ee..e76db9e4d504 100644 --- a/drivers/parisc/gsc.c +++ b/drivers/parisc/gsc.c @@ -108,7 +108,8 @@ int gsc_find_local_irq(unsigned int irq, int *global_irqs, int limit) static void gsc_asic_disable_irq(unsigned int irq) { - struct gsc_asic *irq_dev = irq_desc[irq].chip_data; + struct irq_desc *desc = irq_to_desc(irq); + struct gsc_asic *irq_dev = desc->chip_data; int local_irq = gsc_find_local_irq(irq, irq_dev->global_irq, 32); u32 imr; @@ -123,7 +124,8 @@ static void gsc_asic_disable_irq(unsigned int irq) static void gsc_asic_enable_irq(unsigned int irq) { - struct gsc_asic *irq_dev = irq_desc[irq].chip_data; + struct irq_desc *desc = irq_to_desc(irq); + struct gsc_asic *irq_dev = desc->chip_data; int local_irq = gsc_find_local_irq(irq, irq_dev->global_irq, 32); u32 imr; @@ -159,12 +161,14 @@ static struct hw_interrupt_type gsc_asic_interrupt_type = { int gsc_assign_irq(struct hw_interrupt_type *type, void *data) { static int irq = GSC_IRQ_BASE; + struct irq_desc *desc; if (irq > GSC_IRQ_MAX) return NO_IRQ; - irq_desc[irq].chip = type; - irq_desc[irq].chip_data = data; + desc = irq_to_desc(irq); + desc->chip = type; + desc->chip_data = data; return irq++; } diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c index 6fb3f7979f21..7beffcab2745 100644 --- a/drivers/parisc/iosapic.c +++ b/drivers/parisc/iosapic.c @@ -619,7 +619,9 @@ iosapic_set_irt_data( struct vector_info *vi, u32 *dp0, u32 *dp1) static struct vector_info *iosapic_get_vector(unsigned int irq) { - return irq_desc[irq].chip_data; + struct irq_desc *desc = irq_to_desc(irq); + + return desc->chip_data; } static void iosapic_disable_irq(unsigned int irq) diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c index 1e8d2d17f04c..1e93c837514f 100644 --- a/drivers/parisc/superio.c +++ b/drivers/parisc/superio.c @@ -363,7 +363,9 @@ int superio_fixup_irq(struct pci_dev *pcidev) #endif for (i = 0; i < 16; i++) { - irq_desc[i].chip = &superio_interrupt_type; + struct irq_desc *desc = irq_to_desc(i); + + desc->chip = &superio_interrupt_type; } /* diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index e842e756308a..8b29c307f1a1 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -193,7 +193,7 @@ dmar_parse_dev(struct dmar_drhd_unit *dmaru) { struct acpi_dmar_hardware_unit *drhd; static int include_all; - int ret; + int ret = 0; drhd = (struct acpi_dmar_hardware_unit *) dmaru->hdr; @@ -212,7 +212,7 @@ dmar_parse_dev(struct dmar_drhd_unit *dmaru) include_all = 1; } - if (ret || (dmaru->devices_cnt == 0 && !dmaru->include_all)) { + if (ret) { list_del(&dmaru->list); kfree(dmaru); } @@ -289,6 +289,24 @@ dmar_table_print_dmar_entry(struct acpi_dmar_header *header) } } +/** + * dmar_table_detect - checks to see if the platform supports DMAR devices + */ +static int __init dmar_table_detect(void) +{ + acpi_status status = AE_OK; + + /* if we could find DMAR table, then there are DMAR devices */ + status = acpi_get_table(ACPI_SIG_DMAR, 0, + (struct acpi_table_header **)&dmar_tbl); + + if (ACPI_SUCCESS(status) && !dmar_tbl) { + printk (KERN_WARNING PREFIX "Unable to map DMAR\n"); + status = AE_NOT_FOUND; + } + + return (ACPI_SUCCESS(status) ? 1 : 0); +} /** * parse_dmar_table - parses the DMA reporting table @@ -300,6 +318,12 @@ parse_dmar_table(void) struct acpi_dmar_header *entry_header; int ret = 0; + /* + * Do it again, earlier dmar_tbl mapping could be mapped with + * fixed map. + */ + dmar_table_detect(); + dmar = (struct acpi_table_dmar *)dmar_tbl; if (!dmar) return -ENODEV; @@ -373,10 +397,10 @@ dmar_find_matched_drhd_unit(struct pci_dev *dev) int __init dmar_dev_scope_init(void) { - struct dmar_drhd_unit *drhd; + struct dmar_drhd_unit *drhd, *drhd_n; int ret = -ENODEV; - for_each_drhd_unit(drhd) { + list_for_each_entry_safe(drhd, drhd_n, &dmar_drhd_units, list) { ret = dmar_parse_dev(drhd); if (ret) return ret; @@ -384,8 +408,8 @@ int __init dmar_dev_scope_init(void) #ifdef CONFIG_DMAR { - struct dmar_rmrr_unit *rmrr; - for_each_rmrr_units(rmrr) { + struct dmar_rmrr_unit *rmrr, *rmrr_n; + list_for_each_entry_safe(rmrr, rmrr_n, &dmar_rmrr_units, list) { ret = rmrr_parse_dev(rmrr); if (ret) return ret; @@ -430,30 +454,11 @@ int __init dmar_table_init(void) return 0; } -/** - * early_dmar_detect - checks to see if the platform supports DMAR devices - */ -int __init early_dmar_detect(void) -{ - acpi_status status = AE_OK; - - /* if we could find DMAR table, then there are DMAR devices */ - status = acpi_get_table(ACPI_SIG_DMAR, 0, - (struct acpi_table_header **)&dmar_tbl); - - if (ACPI_SUCCESS(status) && !dmar_tbl) { - printk (KERN_WARNING PREFIX "Unable to map DMAR\n"); - status = AE_NOT_FOUND; - } - - return (ACPI_SUCCESS(status) ? 1 : 0); -} - void __init detect_intel_iommu(void) { int ret; - ret = early_dmar_detect(); + ret = dmar_table_detect(); #ifdef CONFIG_DMAR { @@ -479,14 +484,16 @@ void __init detect_intel_iommu(void) " x2apic support\n"); dmar_disabled = 1; - return; + goto end; } if (ret && !no_iommu && !iommu_detected && !swiotlb && !dmar_disabled) iommu_detected = 1; } +end: #endif + dmar_tbl = NULL; } diff --git a/drivers/pci/htirq.c b/drivers/pci/htirq.c index 279c940a0039..bf7d6ce9bbb3 100644 --- a/drivers/pci/htirq.c +++ b/drivers/pci/htirq.c @@ -126,7 +126,8 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update) cfg->msg.address_hi = 0xffffffff; irq = create_irq(); - if (irq < 0) { + + if (irq <= 0) { kfree(cfg); return -EBUSY; } diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c index 738d4c89581c..2de5a3238c94 100644 --- a/drivers/pci/intr_remapping.c +++ b/drivers/pci/intr_remapping.c @@ -1,3 +1,4 @@ +#include <linux/interrupt.h> #include <linux/dmar.h> #include <linux/spinlock.h> #include <linux/jiffies.h> @@ -11,41 +12,64 @@ static struct ioapic_scope ir_ioapic[MAX_IO_APICS]; static int ir_ioapic_num; int intr_remapping_enabled; -static struct { +struct irq_2_iommu { struct intel_iommu *iommu; u16 irte_index; u16 sub_handle; u8 irte_mask; -} irq_2_iommu[NR_IRQS]; +}; + +static struct irq_2_iommu irq_2_iommuX[NR_IRQS]; + +static struct irq_2_iommu *irq_2_iommu(unsigned int irq) +{ + return (irq < nr_irqs) ? irq_2_iommuX + irq : NULL; +} + +static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq) +{ + return irq_2_iommu(irq); +} static DEFINE_SPINLOCK(irq_2_ir_lock); -int irq_remapped(int irq) +static struct irq_2_iommu *valid_irq_2_iommu(unsigned int irq) { - if (irq > NR_IRQS) - return 0; + struct irq_2_iommu *irq_iommu; + + irq_iommu = irq_2_iommu(irq); + + if (!irq_iommu) + return NULL; + + if (!irq_iommu->iommu) + return NULL; - if (!irq_2_iommu[irq].iommu) - return 0; + return irq_iommu; +} - return 1; +int irq_remapped(int irq) +{ + return valid_irq_2_iommu(irq) != NULL; } int get_irte(int irq, struct irte *entry) { int index; + struct irq_2_iommu *irq_iommu; - if (!entry || irq > NR_IRQS) + if (!entry) return -1; spin_lock(&irq_2_ir_lock); - if (!irq_2_iommu[irq].iommu) { + irq_iommu = valid_irq_2_iommu(irq); + if (!irq_iommu) { spin_unlock(&irq_2_ir_lock); return -1; } - index = irq_2_iommu[irq].irte_index + irq_2_iommu[irq].sub_handle; - *entry = *(irq_2_iommu[irq].iommu->ir_table->base + index); + index = irq_iommu->irte_index + irq_iommu->sub_handle; + *entry = *(irq_iommu->iommu->ir_table->base + index); spin_unlock(&irq_2_ir_lock); return 0; @@ -54,6 +78,7 @@ int get_irte(int irq, struct irte *entry) int alloc_irte(struct intel_iommu *iommu, int irq, u16 count) { struct ir_table *table = iommu->ir_table; + struct irq_2_iommu *irq_iommu; u16 index, start_index; unsigned int mask = 0; int i; @@ -61,6 +86,10 @@ int alloc_irte(struct intel_iommu *iommu, int irq, u16 count) if (!count) return -1; + /* protect irq_2_iommu_alloc later */ + if (irq >= nr_irqs) + return -1; + /* * start the IRTE search from index 0. */ @@ -100,10 +129,11 @@ int alloc_irte(struct intel_iommu *iommu, int irq, u16 count) for (i = index; i < index + count; i++) table->base[i].present = 1; - irq_2_iommu[irq].iommu = iommu; - irq_2_iommu[irq].irte_index = index; - irq_2_iommu[irq].sub_handle = 0; - irq_2_iommu[irq].irte_mask = mask; + irq_iommu = irq_2_iommu_alloc(irq); + irq_iommu->iommu = iommu; + irq_iommu->irte_index = index; + irq_iommu->sub_handle = 0; + irq_iommu->irte_mask = mask; spin_unlock(&irq_2_ir_lock); @@ -124,31 +154,33 @@ static void qi_flush_iec(struct intel_iommu *iommu, int index, int mask) int map_irq_to_irte_handle(int irq, u16 *sub_handle) { int index; + struct irq_2_iommu *irq_iommu; spin_lock(&irq_2_ir_lock); - if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) { + irq_iommu = valid_irq_2_iommu(irq); + if (!irq_iommu) { spin_unlock(&irq_2_ir_lock); return -1; } - *sub_handle = irq_2_iommu[irq].sub_handle; - index = irq_2_iommu[irq].irte_index; + *sub_handle = irq_iommu->sub_handle; + index = irq_iommu->irte_index; spin_unlock(&irq_2_ir_lock); return index; } int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index, u16 subhandle) { + struct irq_2_iommu *irq_iommu; + spin_lock(&irq_2_ir_lock); - if (irq >= NR_IRQS || irq_2_iommu[irq].iommu) { - spin_unlock(&irq_2_ir_lock); - return -1; - } - irq_2_iommu[irq].iommu = iommu; - irq_2_iommu[irq].irte_index = index; - irq_2_iommu[irq].sub_handle = subhandle; - irq_2_iommu[irq].irte_mask = 0; + irq_iommu = irq_2_iommu_alloc(irq); + + irq_iommu->iommu = iommu; + irq_iommu->irte_index = index; + irq_iommu->sub_handle = subhandle; + irq_iommu->irte_mask = 0; spin_unlock(&irq_2_ir_lock); @@ -157,16 +189,19 @@ int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index, u16 subhandle) int clear_irte_irq(int irq, struct intel_iommu *iommu, u16 index) { + struct irq_2_iommu *irq_iommu; + spin_lock(&irq_2_ir_lock); - if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) { + irq_iommu = valid_irq_2_iommu(irq); + if (!irq_iommu) { spin_unlock(&irq_2_ir_lock); return -1; } - irq_2_iommu[irq].iommu = NULL; - irq_2_iommu[irq].irte_index = 0; - irq_2_iommu[irq].sub_handle = 0; - irq_2_iommu[irq].irte_mask = 0; + irq_iommu->iommu = NULL; + irq_iommu->irte_index = 0; + irq_iommu->sub_handle = 0; + irq_2_iommu(irq)->irte_mask = 0; spin_unlock(&irq_2_ir_lock); @@ -178,16 +213,18 @@ int modify_irte(int irq, struct irte *irte_modified) int index; struct irte *irte; struct intel_iommu *iommu; + struct irq_2_iommu *irq_iommu; spin_lock(&irq_2_ir_lock); - if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) { + irq_iommu = valid_irq_2_iommu(irq); + if (!irq_iommu) { spin_unlock(&irq_2_ir_lock); return -1; } - iommu = irq_2_iommu[irq].iommu; + iommu = irq_iommu->iommu; - index = irq_2_iommu[irq].irte_index + irq_2_iommu[irq].sub_handle; + index = irq_iommu->irte_index + irq_iommu->sub_handle; irte = &iommu->ir_table->base[index]; set_64bit((unsigned long *)irte, irte_modified->low | (1 << 1)); @@ -203,18 +240,20 @@ int flush_irte(int irq) { int index; struct intel_iommu *iommu; + struct irq_2_iommu *irq_iommu; spin_lock(&irq_2_ir_lock); - if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) { + irq_iommu = valid_irq_2_iommu(irq); + if (!irq_iommu) { spin_unlock(&irq_2_ir_lock); return -1; } - iommu = irq_2_iommu[irq].iommu; + iommu = irq_iommu->iommu; - index = irq_2_iommu[irq].irte_index + irq_2_iommu[irq].sub_handle; + index = irq_iommu->irte_index + irq_iommu->sub_handle; - qi_flush_iec(iommu, index, irq_2_iommu[irq].irte_mask); + qi_flush_iec(iommu, index, irq_iommu->irte_mask); spin_unlock(&irq_2_ir_lock); return 0; @@ -246,28 +285,30 @@ int free_irte(int irq) int index, i; struct irte *irte; struct intel_iommu *iommu; + struct irq_2_iommu *irq_iommu; spin_lock(&irq_2_ir_lock); - if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) { + irq_iommu = valid_irq_2_iommu(irq); + if (!irq_iommu) { spin_unlock(&irq_2_ir_lock); return -1; } - iommu = irq_2_iommu[irq].iommu; + iommu = irq_iommu->iommu; - index = irq_2_iommu[irq].irte_index + irq_2_iommu[irq].sub_handle; + index = irq_iommu->irte_index + irq_iommu->sub_handle; irte = &iommu->ir_table->base[index]; - if (!irq_2_iommu[irq].sub_handle) { - for (i = 0; i < (1 << irq_2_iommu[irq].irte_mask); i++) + if (!irq_iommu->sub_handle) { + for (i = 0; i < (1 << irq_iommu->irte_mask); i++) set_64bit((unsigned long *)irte, 0); - qi_flush_iec(iommu, index, irq_2_iommu[irq].irte_mask); + qi_flush_iec(iommu, index, irq_iommu->irte_mask); } - irq_2_iommu[irq].iommu = NULL; - irq_2_iommu[irq].irte_index = 0; - irq_2_iommu[irq].sub_handle = 0; - irq_2_iommu[irq].irte_mask = 0; + irq_iommu->iommu = NULL; + irq_iommu->irte_index = 0; + irq_iommu->sub_handle = 0; + irq_iommu->irte_mask = 0; spin_unlock(&irq_2_ir_lock); diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c index a0ffb8ebfe00..9e1140f085fd 100644 --- a/drivers/pcmcia/at91_cf.c +++ b/drivers/pcmcia/at91_cf.c @@ -273,7 +273,7 @@ static int __init at91_cf_probe(struct platform_device *pdev) goto fail0d; cf->socket.pci_irq = board->irq_pin; } else - cf->socket.pci_irq = NR_IRQS + 1; + cf->socket.pci_irq = nr_irqs + 1; /* pcmcia layer only remaps "real" memory not iospace */ cf->socket.io_offset = (unsigned long) diff --git a/drivers/pcmcia/hd64465_ss.c b/drivers/pcmcia/hd64465_ss.c index 117dc12ab438..9ef69cdb3183 100644 --- a/drivers/pcmcia/hd64465_ss.c +++ b/drivers/pcmcia/hd64465_ss.c @@ -233,15 +233,18 @@ static struct hw_interrupt_type hd64465_ss_irq_type = { */ static void hs_map_irq(hs_socket_t *sp, unsigned int irq) { + struct irq_desc *desc; + DP |