diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2011-02-06 20:45:52 +0000 |
---|---|---|
committer | James Bottomley <James.Bottomley@suse.de> | 2011-02-10 10:22:14 -0600 |
commit | 4c4231ea2f794d73bbb50b8d84e00c66a012a607 (patch) | |
tree | 4c2470ea880a75c22f275402fe5a186902edd6d5 | |
parent | 9804c9eaeacfe78651052c5ddff31099f60ef78c (diff) | |
download | kernel_samsung_espresso10-4c4231ea2f794d73bbb50b8d84e00c66a012a607.zip kernel_samsung_espresso10-4c4231ea2f794d73bbb50b8d84e00c66a012a607.tar.gz kernel_samsung_espresso10-4c4231ea2f794d73bbb50b8d84e00c66a012a607.tar.bz2 |
[PARISC] Convert to new irq_chip functions
Convert all the parisc driver interrupt handlers (dino, eisa, gsc,
iosapic and superio) as well as the cpu interrupts. Prepare
show_interrupts for GENERIC_HARDIRQS_NO_DEPRECATED and finally selects
that Kconfig option
[jejb: compile and testing fixes]
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
-rw-r--r-- | arch/parisc/Kconfig | 1 | ||||
-rw-r--r-- | arch/parisc/include/asm/irq.h | 13 | ||||
-rw-r--r-- | arch/parisc/kernel/irq.c | 64 | ||||
-rw-r--r-- | drivers/parisc/dino.c | 22 | ||||
-rw-r--r-- | drivers/parisc/eisa.c | 12 | ||||
-rw-r--r-- | drivers/parisc/gsc.c | 22 | ||||
-rw-r--r-- | drivers/parisc/iosapic.c | 40 | ||||
-rw-r--r-- | drivers/parisc/superio.c | 12 |
8 files changed, 98 insertions, 88 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index fed2946..fafdf30 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -15,6 +15,7 @@ config PARISC select HAVE_GENERIC_HARDIRQS select GENERIC_IRQ_PROBE select IRQ_PER_CPU + select GENERIC_HARDIRQS_NO_DEPRECATED help The PA-RISC microprocessor is designed by Hewlett-Packard and used diff --git a/arch/parisc/include/asm/irq.h b/arch/parisc/include/asm/irq.h index c67dccf..1073599 100644 --- a/arch/parisc/include/asm/irq.h +++ b/arch/parisc/include/asm/irq.h @@ -32,15 +32,10 @@ static __inline__ int irq_canonicalize(int irq) } struct irq_chip; +struct irq_data; -/* - * Some useful "we don't have to do anything here" handlers. Should - * probably be provided by the generic code. - */ -void no_ack_irq(unsigned int irq); -void no_end_irq(unsigned int irq); -void cpu_ack_irq(unsigned int irq); -void cpu_eoi_irq(unsigned int irq); +void cpu_ack_irq(struct irq_data *d); +void cpu_eoi_irq(struct irq_data *d); extern int txn_alloc_irq(unsigned int nbits); extern int txn_claim_irq(int); @@ -49,7 +44,7 @@ extern unsigned long txn_alloc_addr(unsigned int); extern unsigned long txn_affinity_addr(unsigned int irq, int cpu); extern int cpu_claim_irq(unsigned int irq, struct irq_chip *, void *); -extern int cpu_check_affinity(unsigned int irq, const struct cpumask *dest); +extern int cpu_check_affinity(struct irq_data *d, const struct cpumask *dest); /* soft power switch support (power.c) */ extern struct tasklet_struct power_tasklet; diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index 3948f1d..cb450e1 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -52,9 +52,9 @@ static volatile unsigned long cpu_eiem = 0; */ static DEFINE_PER_CPU(unsigned long, local_ack_eiem) = ~0UL; -static void cpu_mask_irq(unsigned int irq) +static void cpu_mask_irq(struct irq_data *d) { - unsigned long eirr_bit = EIEM_MASK(irq); + unsigned long eirr_bit = EIEM_MASK(d->irq); cpu_eiem &= ~eirr_bit; /* Do nothing on the other CPUs. If they get this interrupt, @@ -63,7 +63,7 @@ static void cpu_mask_irq(unsigned int irq) * then gets disabled */ } -static void cpu_unmask_irq(unsigned int irq) +static void __cpu_unmask_irq(unsigned int irq) { unsigned long eirr_bit = EIEM_MASK(irq); @@ -75,9 +75,14 @@ static void cpu_unmask_irq(unsigned int irq) smp_send_all_nop(); } -void cpu_ack_irq(unsigned int irq) +static void cpu_unmask_irq(struct irq_data *d) +{ + __cpu_unmask_irq(d->irq); +} + +void cpu_ack_irq(struct irq_data *d) { - unsigned long mask = EIEM_MASK(irq); + unsigned long mask = EIEM_MASK(d->irq); int cpu = smp_processor_id(); /* Clear in EIEM so we can no longer process */ @@ -90,9 +95,9 @@ void cpu_ack_irq(unsigned int irq) mtctl(mask, 23); } -void cpu_eoi_irq(unsigned int irq) +void cpu_eoi_irq(struct irq_data *d) { - unsigned long mask = EIEM_MASK(irq); + unsigned long mask = EIEM_MASK(d->irq); int cpu = smp_processor_id(); /* set it in the eiems---it's no longer in process */ @@ -103,15 +108,16 @@ void cpu_eoi_irq(unsigned int irq) } #ifdef CONFIG_SMP -int cpu_check_affinity(unsigned int irq, const struct cpumask *dest) +int cpu_check_affinity(struct irq_data *d, const struct cpumask *dest) { int cpu_dest; /* timer and ipi have to always be received on all CPUs */ - if (CHECK_IRQ_PER_CPU(irq_to_desc(irq)->status)) { + if (CHECK_IRQ_PER_CPU(irq_to_desc(d->irq)->status)) { /* Bad linux design decision. The mask has already - * been set; we must reset it */ - cpumask_setall(irq_desc[irq].affinity); + * been set; we must reset it. Will fix - tglx + */ + cpumask_setall(d->affinity); return -EINVAL; } @@ -121,33 +127,34 @@ int cpu_check_affinity(unsigned int irq, const struct cpumask *dest) return cpu_dest; } -static int cpu_set_affinity_irq(unsigned int irq, const struct cpumask *dest) +static int cpu_set_affinity_irq(struct irq_data *d, const struct cpumask *dest, + bool force) { int cpu_dest; - cpu_dest = cpu_check_affinity(irq, dest); + cpu_dest = cpu_check_affinity(d, dest); if (cpu_dest < 0) return -1; - cpumask_copy(irq_desc[irq].affinity, dest); + cpumask_copy(d->affinity, dest); return 0; } #endif static struct irq_chip cpu_interrupt_type = { - .name = "CPU", - .mask = cpu_mask_irq, - .unmask = cpu_unmask_irq, - .ack = cpu_ack_irq, - .eoi = cpu_eoi_irq, + .name = "CPU", + .irq_mask = cpu_mask_irq, + .irq_unmask = cpu_unmask_irq, + .irq_ack = cpu_ack_irq, + .irq_eoi = cpu_eoi_irq, #ifdef CONFIG_SMP - .set_affinity = cpu_set_affinity_irq, + .irq_set_affinity = cpu_set_affinity_irq, #endif /* XXX: Needs to be written. We managed without it so far, but * we really ought to write it. */ - .retrigger = NULL, + .irq_retrigger = NULL, }; int show_interrupts(struct seq_file *p, void *v) @@ -181,7 +188,7 @@ int show_interrupts(struct seq_file *p, void *v) seq_printf(p, "%10u ", kstat_irqs(i)); #endif - seq_printf(p, " %14s", irq_desc[i].chip->name); + seq_printf(p, " %14s", irq_desc[i].irq_data.chip->name); #ifndef PARISC_IRQ_CR16_COUNTS seq_printf(p, " %s", action->name); @@ -233,14 +240,14 @@ int cpu_claim_irq(unsigned int irq, struct irq_chip *type, void *data) { if (irq_desc[irq].action) return -EBUSY; - if (irq_desc[irq].chip != &cpu_interrupt_type) + if (get_irq_chip(irq) != &cpu_interrupt_type) return -EBUSY; /* for iosapic interrupts */ if (type) { set_irq_chip_and_handler(irq, type, handle_percpu_irq); set_irq_chip_data(irq, data); - cpu_unmask_irq(irq); + __cpu_unmask_irq(irq); } return 0; } @@ -289,7 +296,8 @@ int txn_alloc_irq(unsigned int bits_wide) unsigned long txn_affinity_addr(unsigned int irq, int cpu) { #ifdef CONFIG_SMP - cpumask_copy(irq_desc[irq].affinity, cpumask_of(cpu)); + struct irq_data *d = irq_get_irq_data(irq); + cpumask_copy(d->affinity, cpumask_of(cpu)); #endif return per_cpu(cpu_data, cpu).txn_addr; @@ -333,6 +341,7 @@ void do_cpu_irq_mask(struct pt_regs *regs) unsigned long eirr_val; int irq, cpu = smp_processor_id(); #ifdef CONFIG_SMP + struct irq_desc *desc; cpumask_t dest; #endif @@ -346,8 +355,9 @@ void do_cpu_irq_mask(struct pt_regs *regs) irq = eirr_to_irq(eirr_val); #ifdef CONFIG_SMP - cpumask_copy(&dest, irq_desc[irq].affinity); - if (CHECK_IRQ_PER_CPU(irq_desc[irq].status) && + desc = irq_to_desc(irq); + cpumask_copy(&dest, desc->irq_data.affinity); + if (CHECK_IRQ_PER_CPU(desc->status) && !cpu_isset(smp_processor_id(), dest)) { int cpu = first_cpu(dest); diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c index 9383063..bcd5d54 100644 --- a/drivers/parisc/dino.c +++ b/drivers/parisc/dino.c @@ -296,25 +296,25 @@ static struct pci_port_ops dino_port_ops = { .outl = dino_out32 }; -static void dino_mask_irq(unsigned int irq) +static void dino_mask_irq(struct irq_data *d) { - struct dino_device *dino_dev = get_irq_chip_data(irq); - int local_irq = gsc_find_local_irq(irq, dino_dev->global_irq, DINO_LOCAL_IRQS); + struct dino_device *dino_dev = irq_data_get_irq_chip_data(d); + int local_irq = gsc_find_local_irq(d->irq, dino_dev->global_irq, DINO_LOCAL_IRQS); - DBG(KERN_WARNING "%s(0x%p, %d)\n", __func__, dino_dev, irq); + DBG(KERN_WARNING "%s(0x%p, %d)\n", __func__, dino_dev, d->irq); /* Clear the matching bit in the IMR register */ dino_dev->imr &= ~(DINO_MASK_IRQ(local_irq)); __raw_writel(dino_dev->imr, dino_dev->hba.base_addr+DINO_IMR); } -static void dino_unmask_irq(unsigned int irq) +static void dino_unmask_irq(struct irq_data *d) { - struct dino_device *dino_dev = get_irq_chip_data(irq); - int local_irq = gsc_find_local_irq(irq, dino_dev->global_irq, DINO_LOCAL_IRQS); + struct dino_device *dino_dev = irq_data_get_irq_chip_data(d); + int local_irq = gsc_find_local_irq(d->irq, dino_dev->global_irq, DINO_LOCAL_IRQS); u32 tmp; - DBG(KERN_WARNING "%s(0x%p, %d)\n", __func__, dino_dev, irq); + DBG(KERN_WARNING "%s(0x%p, %d)\n", __func__, dino_dev, d->irq); /* ** clear pending IRQ bits @@ -346,9 +346,9 @@ static void dino_unmask_irq(unsigned int irq) } static struct irq_chip dino_interrupt_type = { - .name = "GSC-PCI", - .unmask = dino_unmask_irq, - .mask = dino_mask_irq, + .name = "GSC-PCI", + .irq_unmask = dino_unmask_irq, + .irq_mask = dino_mask_irq, }; diff --git a/drivers/parisc/eisa.c b/drivers/parisc/eisa.c index e860038..deeec32 100644 --- a/drivers/parisc/eisa.c +++ b/drivers/parisc/eisa.c @@ -144,8 +144,9 @@ static unsigned int eisa_irq_level __read_mostly; /* default to edge triggered * /* called by free irq */ -static void eisa_mask_irq(unsigned int irq) +static void eisa_mask_irq(struct irq_data *d) { + unsigned int irq = d->irq; unsigned long flags; EISA_DBG("disable irq %d\n", irq); @@ -164,8 +165,9 @@ static void eisa_mask_irq(unsigned int irq) } /* called by request irq */ -static void eisa_unmask_irq(unsigned int irq) +static void eisa_unmask_irq(struct irq_data *d) { + unsigned int irq = d->irq; unsigned long flags; EISA_DBG("enable irq %d\n", irq); @@ -183,9 +185,9 @@ static void eisa_unmask_irq(unsigned int irq) } static struct irq_chip eisa_interrupt_type = { - .name = "EISA", - .unmask = eisa_unmask_irq, - .mask = eisa_mask_irq, + .name = "EISA", + .irq_unmask = eisa_unmask_irq, + .irq_mask = eisa_mask_irq, }; static irqreturn_t eisa_irq(int wax_irq, void *intr_dev) diff --git a/drivers/parisc/gsc.c b/drivers/parisc/gsc.c index 772b193..ef31080 100644 --- a/drivers/parisc/gsc.c +++ b/drivers/parisc/gsc.c @@ -105,13 +105,13 @@ int gsc_find_local_irq(unsigned int irq, int *global_irqs, int limit) return NO_IRQ; } -static void gsc_asic_mask_irq(unsigned int irq) +static void gsc_asic_mask_irq(struct irq_data *d) { - struct gsc_asic *irq_dev = get_irq_chip_data(irq); - int local_irq = gsc_find_local_irq(irq, irq_dev->global_irq, 32); + struct gsc_asic *irq_dev = irq_data_get_irq_chip_data(d); + int local_irq = gsc_find_local_irq(d->irq, irq_dev->global_irq, 32); u32 imr; - DEBPRINTK(KERN_DEBUG "%s(%d) %s: IMR 0x%x\n", __func__, irq, + DEBPRINTK(KERN_DEBUG "%s(%d) %s: IMR 0x%x\n", __func__, d->irq, irq_dev->name, imr); /* Disable the IRQ line by clearing the bit in the IMR */ @@ -120,13 +120,13 @@ static void gsc_asic_mask_irq(unsigned int irq) gsc_writel(imr, irq_dev->hpa + OFFSET_IMR); } -static void gsc_asic_unmask_irq(unsigned int irq) +static void gsc_asic_unmask_irq(struct irq_data *d) { - struct gsc_asic *irq_dev = get_irq_chip_data(irq); - int local_irq = gsc_find_local_irq(irq, irq_dev->global_irq, 32); + struct gsc_asic *irq_dev = irq_data_get_irq_chip_data(d); + int local_irq = gsc_find_local_irq(d->irq, irq_dev->global_irq, 32); u32 imr; - DEBPRINTK(KERN_DEBUG "%s(%d) %s: IMR 0x%x\n", __func__, irq, + DEBPRINTK(KERN_DEBUG "%s(%d) %s: IMR 0x%x\n", __func__, d->irq, irq_dev->name, imr); /* Enable the IRQ line by setting the bit in the IMR */ @@ -140,9 +140,9 @@ static void gsc_asic_unmask_irq(unsigned int irq) } static struct irq_chip gsc_asic_interrupt_type = { - .name = "GSC-ASIC", - .unmask = gsc_asic_unmask_irq, - .mask = gsc_asic_mask_irq, + .name = "GSC-ASIC", + .irq_unmask = gsc_asic_unmask_irq, + .irq_mask = gsc_asic_mask_irq, }; int gsc_assign_irq(struct irq_chip *type, void *data) diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c index 0327894..95930d0 100644 --- a/drivers/parisc/iosapic.c +++ b/drivers/parisc/iosapic.c @@ -615,10 +615,10 @@ iosapic_set_irt_data( struct vector_info *vi, u32 *dp0, u32 *dp1) } -static void iosapic_mask_irq(unsigned int irq) +static void iosapic_mask_irq(struct irq_data *d) { unsigned long flags; - struct vector_info *vi = get_irq_chip_data(irq); + struct vector_info *vi = irq_data_get_irq_chip_data(d); u32 d0, d1; spin_lock_irqsave(&iosapic_lock, flags); @@ -628,9 +628,9 @@ static void iosapic_mask_irq(unsigned int irq) spin_unlock_irqrestore(&iosapic_lock, flags); } -static void iosapic_unmask_irq(unsigned int irq) +static void iosapic_unmask_irq(struct irq_data *d) { - struct vector_info *vi = get_irq_chip_data(irq); + struct vector_info *vi = irq_data_get_irq_chip_data(d); u32 d0, d1; /* data is initialized by fixup_irq */ @@ -666,34 +666,34 @@ printk("\n"); * enables their IRQ. It can lead to "interesting" race conditions * in the driver initialization sequence. */ - DBG(KERN_DEBUG "enable_irq(%d): eoi(%p, 0x%x)\n", irq, + DBG(KERN_DEBUG "enable_irq(%d): eoi(%p, 0x%x)\n", d->irq, vi->eoi_addr, vi->eoi_data); iosapic_eoi(vi->eoi_addr, vi->eoi_data); } -static void iosapic_eoi_irq(unsigned int irq) +static void iosapic_eoi_irq(struct irq_data *d) { - struct vector_info *vi = get_irq_chip_data(irq); + struct vector_info *vi = irq_data_get_irq_chip_data(d); iosapic_eoi(vi->eoi_addr, vi->eoi_data); - cpu_eoi_irq(irq); + cpu_eoi_irq(d); } #ifdef CONFIG_SMP -static int iosapic_set_affinity_irq(unsigned int irq, - const struct cpumask *dest) +static int iosapic_set_affinity_irq(struct irq_data *d, + const struct cpumask *dest, bool force) { - struct vector_info *vi = get_irq_chip_data(irq); + struct vector_info *vi = irq_data_get_irq_chip_data(d); u32 d0, d1, dummy_d0; unsigned long flags; int dest_cpu; - dest_cpu = cpu_check_affinity(irq, dest); + dest_cpu = cpu_check_affinity(d, dest); if (dest_cpu < 0) return -1; - cpumask_copy(irq_desc[irq].affinity, cpumask_of(dest_cpu)); - vi->txn_addr = txn_affinity_addr(irq, dest_cpu); + cpumask_copy(d->affinity, cpumask_of(dest_cpu)); + vi->txn_addr = txn_affinity_addr(d->irq, dest_cpu); spin_lock_irqsave(&iosapic_lock, flags); /* d1 contains the destination CPU, so only want to set that @@ -708,13 +708,13 @@ static int iosapic_set_affinity_irq(unsigned int irq, #endif static struct irq_chip iosapic_interrupt_type = { - .name = "IO-SAPIC-level", - .unmask = iosapic_unmask_irq, - .mask = iosapic_mask_irq, - .ack = cpu_ack_irq, - .eoi = iosapic_eoi_irq, + .name = "IO-SAPIC-level", + .irq_unmask = iosapic_unmask_irq, + .irq_mask = iosapic_mask_irq, + .irq_ack = cpu_ack_irq, + .irq_eoi = iosapic_eoi_irq, #ifdef CONFIG_SMP - .set_affinity = iosapic_set_affinity_irq, + .irq_set_affinity = iosapic_set_affinity_irq, #endif }; diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c index 2824153..a4d8ff6 100644 --- a/drivers/parisc/superio.c +++ b/drivers/parisc/superio.c @@ -286,8 +286,9 @@ superio_init(struct pci_dev *pcidev) } DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87560_LIO, superio_init); -static void superio_mask_irq(unsigned int irq) +static void superio_mask_irq(struct irq_data *d) { + unsigned int irq = d->irq; u8 r8; if ((irq < 1) || (irq == 2) || (irq > 7)) { @@ -303,8 +304,9 @@ static void superio_mask_irq(unsigned int irq) outb (r8,IC_PIC1+1); } -static void superio_unmask_irq(unsigned int irq) +static void superio_unmask_irq(struct irq_data *d) { + unsigned int irq = d->irq; u8 r8; if ((irq < 1) || (irq == 2) || (irq > 7)) { @@ -320,9 +322,9 @@ static void superio_unmask_irq(unsigned int irq) } static struct irq_chip superio_interrupt_type = { - .name = SUPERIO, - .unmask = superio_unmask_irq, - .mask = superio_mask_irq, + .name = SUPERIO, + .irq_unmask = superio_unmask_irq, + .irq_mask = superio_mask_irq, }; #ifdef DEBUG_SUPERIO_INIT |