powerpc: platforms/cell irq_data conversion.
authorLennert Buytenhek <buytenh@wantstofly.org>
Mon, 7 Mar 2011 13:59:28 +0000 (13:59 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Thu, 10 Mar 2011 00:03:58 +0000 (11:03 +1100)
Signed-off-by: Lennert Buytenhek <buytenh@secretlab.ca>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/platforms/cell/axon_msi.c
arch/powerpc/platforms/cell/beat_interrupt.c
arch/powerpc/platforms/cell/interrupt.c
arch/powerpc/platforms/cell/setup.c
arch/powerpc/platforms/cell/spider-pic.c

index e3e379c..c07930f 100644 (file)
@@ -93,6 +93,7 @@ static void msic_dcr_write(struct axon_msic *msic, unsigned int dcr_n, u32 val)
 
 static void axon_msi_cascade(unsigned int irq, struct irq_desc *desc)
 {
+       struct irq_chip *chip = get_irq_desc_chip(desc);
        struct axon_msic *msic = get_irq_data(irq);
        u32 write_offset, msi;
        int idx;
@@ -145,7 +146,7 @@ static void axon_msi_cascade(unsigned int irq, struct irq_desc *desc)
                msic->read_offset &= MSIC_FIFO_SIZE_MASK;
        }
 
-       desc->chip->eoi(irq);
+       chip->irq_eoi(&desc->irq_data);
 }
 
 static struct axon_msic *find_msi_translator(struct pci_dev *dev)
index 682af97..0b8f7d7 100644 (file)
@@ -61,59 +61,59 @@ static inline void beatic_update_irq_mask(unsigned int irq_plug)
                panic("Failed to set mask IRQ!");
 }
 
-static void beatic_mask_irq(unsigned int irq_plug)
+static void beatic_mask_irq(struct irq_data *d)
 {
        unsigned long flags;
 
        raw_spin_lock_irqsave(&beatic_irq_mask_lock, flags);
-       beatic_irq_mask_enable[irq_plug/64] &= ~(1UL << (63 - (irq_plug%64)));
-       beatic_update_irq_mask(irq_plug);
+       beatic_irq_mask_enable[d->irq/64] &= ~(1UL << (63 - (d->irq%64)));
+       beatic_update_irq_mask(d->irq);
        raw_spin_unlock_irqrestore(&beatic_irq_mask_lock, flags);
 }
 
-static void beatic_unmask_irq(unsigned int irq_plug)
+static void beatic_unmask_irq(struct irq_data *d)
 {
        unsigned long flags;
 
        raw_spin_lock_irqsave(&beatic_irq_mask_lock, flags);
-       beatic_irq_mask_enable[irq_plug/64] |= 1UL << (63 - (irq_plug%64));
-       beatic_update_irq_mask(irq_plug);
+       beatic_irq_mask_enable[d->irq/64] |= 1UL << (63 - (d->irq%64));
+       beatic_update_irq_mask(d->irq);
        raw_spin_unlock_irqrestore(&beatic_irq_mask_lock, flags);
 }
 
-static void beatic_ack_irq(unsigned int irq_plug)
+static void beatic_ack_irq(struct irq_data *d)
 {
        unsigned long flags;
 
        raw_spin_lock_irqsave(&beatic_irq_mask_lock, flags);
-       beatic_irq_mask_ack[irq_plug/64] &= ~(1UL << (63 - (irq_plug%64)));
-       beatic_update_irq_mask(irq_plug);
+       beatic_irq_mask_ack[d->irq/64] &= ~(1UL << (63 - (d->irq%64)));
+       beatic_update_irq_mask(d->irq);
        raw_spin_unlock_irqrestore(&beatic_irq_mask_lock, flags);
 }
 
-static void beatic_end_irq(unsigned int irq_plug)
+static void beatic_end_irq(struct irq_data *d)
 {
        s64 err;
        unsigned long flags;
 
-       err = beat_downcount_of_interrupt(irq_plug);
+       err = beat_downcount_of_interrupt(d->irq);
        if (err != 0) {
                if ((err & 0xFFFFFFFF) != 0xFFFFFFF5) /* -11: wrong state */
                        panic("Failed to downcount IRQ! Error = %16llx", err);
 
-               printk(KERN_ERR "IRQ over-downcounted, plug %d\n", irq_plug);
+               printk(KERN_ERR "IRQ over-downcounted, plug %d\n", d->irq);
        }
        raw_spin_lock_irqsave(&beatic_irq_mask_lock, flags);
-       beatic_irq_mask_ack[irq_plug/64] |= 1UL << (63 - (irq_plug%64));
-       beatic_update_irq_mask(irq_plug);
+       beatic_irq_mask_ack[d->irq/64] |= 1UL << (63 - (d->irq%64));
+       beatic_update_irq_mask(d->irq);
        raw_spin_unlock_irqrestore(&beatic_irq_mask_lock, flags);
 }
 
 static struct irq_chip beatic_pic = {
        .name = "CELL-BEAT",
-       .unmask = beatic_unmask_irq,
-       .mask = beatic_mask_irq,
-       .eoi = beatic_end_irq,
+       .irq_unmask = beatic_unmask_irq,
+       .irq_mask = beatic_mask_irq,
+       .irq_eoi = beatic_end_irq,
 };
 
 /*
@@ -232,7 +232,7 @@ unsigned int beatic_get_irq(void)
 
        ret = beatic_get_irq_plug();
        if (ret != NO_IRQ)
-               beatic_ack_irq(ret);
+               beatic_ack_irq(irq_get_irq_data(ret));
        return ret;
 }
 
index 10eb1a4..624d26e 100644 (file)
@@ -72,15 +72,15 @@ static irq_hw_number_t iic_pending_to_hwnum(struct cbe_iic_pending_bits bits)
                return (node << IIC_IRQ_NODE_SHIFT) | (class << 4) | unit;
 }
 
-static void iic_mask(unsigned int irq)
+static void iic_mask(struct irq_data *d)
 {
 }
 
-static void iic_unmask(unsigned int irq)
+static void iic_unmask(struct irq_data *d)
 {
 }
 
-static void iic_eoi(unsigned int irq)
+static void iic_eoi(struct irq_data *d)
 {
        struct iic *iic = &__get_cpu_var(cpu_iic);
        out_be64(&iic->regs->prio, iic->eoi_stack[--iic->eoi_ptr]);
@@ -89,19 +89,21 @@ static void iic_eoi(unsigned int irq)
 
 static struct irq_chip iic_chip = {
        .name = "CELL-IIC",
-       .mask = iic_mask,
-       .unmask = iic_unmask,
-       .eoi = iic_eoi,
+       .irq_mask = iic_mask,
+       .irq_unmask = iic_unmask,
+       .irq_eoi = iic_eoi,
 };
 
 
-static void iic_ioexc_eoi(unsigned int irq)
+static void iic_ioexc_eoi(struct irq_data *d)
 {
 }
 
 static void iic_ioexc_cascade(unsigned int irq, struct irq_desc *desc)
 {
-       struct cbe_iic_regs __iomem *node_iic = (void __iomem *)desc->handler_data;
+       struct irq_chip *chip = get_irq_desc_chip(desc);
+       struct cbe_iic_regs __iomem *node_iic =
+               (void __iomem *)get_irq_desc_data(desc);
        unsigned int base = (irq & 0xffffff00) | IIC_IRQ_TYPE_IOEXC;
        unsigned long bits, ack;
        int cascade;
@@ -128,15 +130,15 @@ static void iic_ioexc_cascade(unsigned int irq, struct irq_desc *desc)
                if (ack)
                        out_be64(&node_iic->iic_is, ack);
        }
-       desc->chip->eoi(irq);
+       chip->irq_eoi(&desc->irq_data);
 }
 
 
 static struct irq_chip iic_ioexc_chip = {
        .name = "CELL-IOEX",
-       .mask = iic_mask,
-       .unmask = iic_unmask,
-       .eoi = iic_ioexc_eoi,
+       .irq_mask = iic_mask,
+       .irq_unmask = iic_unmask,
+       .irq_eoi = iic_ioexc_eoi,
 };
 
 /* Get an IRQ number from the pending state register of the IIC */
@@ -237,6 +239,8 @@ extern int noirqdebug;
 
 static void handle_iic_irq(unsigned int irq, struct irq_desc *desc)
 {
+       struct irq_chip *chip = get_irq_desc_chip(desc);
+
        raw_spin_lock(&desc->lock);
 
        desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
@@ -275,7 +279,7 @@ static void handle_iic_irq(unsigned int irq, struct irq_desc *desc)
 
        desc->status &= ~IRQ_INPROGRESS;
 out_eoi:
-       desc->chip->eoi(irq);
+       chip->irq_eoi(&desc->irq_data);
        raw_spin_unlock(&desc->lock);
 }
 
index 6919957..6a28d02 100644 (file)
@@ -187,13 +187,15 @@ machine_subsys_initcall(cell, cell_publish_devices);
 
 static void cell_mpic_cascade(unsigned int irq, struct irq_desc *desc)
 {
-       struct mpic *mpic = desc->handler_data;
+       struct irq_chip *chip = get_irq_desc_chip(desc);
+       struct mpic *mpic = get_irq_desc_data(desc);
        unsigned int virq;
 
        virq = mpic_get_one_irq(mpic);
        if (virq != NO_IRQ)
                generic_handle_irq(virq);
-       desc->chip->eoi(irq);
+
+       chip->irq_eoi(&desc->irq_data);
 }
 
 static void __init mpic_init_IRQ(void)
index 3f2e557..b38cdfc 100644 (file)
@@ -79,30 +79,30 @@ static void __iomem *spider_get_irq_config(struct spider_pic *pic,
        return pic->regs + TIR_CFGA + 8 * src;
 }
 
-static void spider_unmask_irq(unsigned int virq)
+static void spider_unmask_irq(struct irq_data *d)
 {
-       struct spider_pic *pic = spider_virq_to_pic(virq);
-       void __iomem *cfg = spider_get_irq_config(pic, irq_map[virq].hwirq);
+       struct spider_pic *pic = spider_virq_to_pic(d->irq);
+       void __iomem *cfg = spider_get_irq_config(pic, irq_map[d->irq].hwirq);
 
        out_be32(cfg, in_be32(cfg) | 0x30000000u);
 }
 
-static void spider_mask_irq(unsigned int virq)
+static void spider_mask_irq(struct irq_data *d)
 {
-       struct spider_pic *pic = spider_virq_to_pic(virq);
-       void __iomem *cfg = spider_get_irq_config(pic, irq_map[virq].hwirq);
+       struct spider_pic *pic = spider_virq_to_pic(d->irq);
+       void __iomem *cfg = spider_get_irq_config(pic, irq_map[d->irq].hwirq);
 
        out_be32(cfg, in_be32(cfg) & ~0x30000000u);
 }
 
-static void spider_ack_irq(unsigned int virq)
+static void spider_ack_irq(struct irq_data *d)
 {
-       struct spider_pic *pic = spider_virq_to_pic(virq);
-       unsigned int src = irq_map[virq].hwirq;
+       struct spider_pic *pic = spider_virq_to_pic(d->irq);
+       unsigned int src = irq_map[d->irq].hwirq;
 
        /* Reset edge detection logic if necessary
         */
-       if (irq_to_desc(virq)->status & IRQ_LEVEL)
+       if (irq_to_desc(d->irq)->status & IRQ_LEVEL)
                return;
 
        /* Only interrupts 47 to 50 can be set to edge */
@@ -113,13 +113,13 @@ static void spider_ack_irq(unsigned int virq)
        out_be32(pic->regs + TIR_EDC, 0x100 | (src & 0xf));
 }
 
-static int spider_set_irq_type(unsigned int virq, unsigned int type)
+static int spider_set_irq_type(struct irq_data *d, unsigned int type)
 {
        unsigned int sense = type & IRQ_TYPE_SENSE_MASK;
-       struct spider_pic *pic = spider_virq_to_pic(virq);
-       unsigned int hw = irq_map[virq].hwirq;
+       struct spider_pic *pic = spider_virq_to_pic(d->irq);
+       unsigned int hw = irq_map[d->irq].hwirq;
        void __iomem *cfg = spider_get_irq_config(pic, hw);
-       struct irq_desc *desc = irq_to_desc(virq);
+       struct irq_desc *desc = irq_to_desc(d->irq);
        u32 old_mask;
        u32 ic;
 
@@ -169,10 +169,10 @@ static int spider_set_irq_type(unsigned int virq, unsigned int type)
 
 static struct irq_chip spider_pic = {
        .name = "SPIDER",
-       .unmask = spider_unmask_irq,
-       .mask = spider_mask_irq,
-       .ack = spider_ack_irq,
-       .set_type = spider_set_irq_type,
+       .irq_unmask = spider_unmask_irq,
+       .irq_mask = spider_mask_irq,
+       .irq_ack = spider_ack_irq,
+       .irq_set_type = spider_set_irq_type,
 };
 
 static int spider_host_map(struct irq_host *h, unsigned int virq,
@@ -207,7 +207,8 @@ static struct irq_host_ops spider_host_ops = {
 
 static void spider_irq_cascade(unsigned int irq, struct irq_desc *desc)
 {
-       struct spider_pic *pic = desc->handler_data;
+       struct irq_chip *chip = get_irq_desc_chip(desc);
+       struct spider_pic *pic = get_irq_desc_data(desc);
        unsigned int cs, virq;
 
        cs = in_be32(pic->regs + TIR_CS) >> 24;
@@ -215,9 +216,11 @@ static void spider_irq_cascade(unsigned int irq, struct irq_desc *desc)
                virq = NO_IRQ;
        else
                virq = irq_linear_revmap(pic->host, cs);
+
        if (virq != NO_IRQ)
                generic_handle_irq(virq);
-       desc->chip->eoi(irq);
+
+       chip->irq_eoi(&desc->irq_data);
 }
 
 /* For hooking up the cascace we have a problem. Our device-tree is