Merge branch 'linus' into irq/numa
Conflicts: arch/mips/sibyte/bcm1480/irq.c arch/mips/sibyte/sb1250/irq.c Merge reason: we gathered a few conflicts plus update to latest upstream fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
@@ -208,52 +208,6 @@ static int __init of_add_fixed_phys(void)
|
||||
arch_initcall(of_add_fixed_phys);
|
||||
#endif /* CONFIG_FIXED_PHY */
|
||||
|
||||
#ifdef CONFIG_PPC_83xx
|
||||
static int __init mpc83xx_wdt_init(void)
|
||||
{
|
||||
struct resource r;
|
||||
struct device_node *np;
|
||||
struct platform_device *dev;
|
||||
u32 freq = fsl_get_sys_freq();
|
||||
int ret;
|
||||
|
||||
np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt");
|
||||
|
||||
if (!np) {
|
||||
ret = -ENODEV;
|
||||
goto nodev;
|
||||
}
|
||||
|
||||
memset(&r, 0, sizeof(r));
|
||||
|
||||
ret = of_address_to_resource(np, 0, &r);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
|
||||
if (IS_ERR(dev)) {
|
||||
ret = PTR_ERR(dev);
|
||||
goto err;
|
||||
}
|
||||
|
||||
ret = platform_device_add_data(dev, &freq, sizeof(freq));
|
||||
if (ret)
|
||||
goto unreg;
|
||||
|
||||
of_node_put(np);
|
||||
return 0;
|
||||
|
||||
unreg:
|
||||
platform_device_unregister(dev);
|
||||
err:
|
||||
of_node_put(np);
|
||||
nodev:
|
||||
return ret;
|
||||
}
|
||||
|
||||
arch_initcall(mpc83xx_wdt_init);
|
||||
#endif
|
||||
|
||||
static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type)
|
||||
{
|
||||
if (!phy_type)
|
||||
|
@@ -1059,13 +1059,6 @@ struct mpic * __init mpic_alloc(struct device_node *node,
|
||||
memset(mpic, 0, sizeof(struct mpic));
|
||||
mpic->name = name;
|
||||
|
||||
mpic->irqhost = irq_alloc_host(node, IRQ_HOST_MAP_LINEAR,
|
||||
isu_size, &mpic_host_ops,
|
||||
flags & MPIC_LARGE_VECTORS ? 2048 : 256);
|
||||
if (mpic->irqhost == NULL)
|
||||
return NULL;
|
||||
|
||||
mpic->irqhost->host_data = mpic;
|
||||
mpic->hc_irq = mpic_irq_chip;
|
||||
mpic->hc_irq.typename = name;
|
||||
if (flags & MPIC_PRIMARY)
|
||||
@@ -1215,6 +1208,15 @@ struct mpic * __init mpic_alloc(struct device_node *node,
|
||||
mpic->isu_shift = 1 + __ilog2(mpic->isu_size - 1);
|
||||
mpic->isu_mask = (1 << mpic->isu_shift) - 1;
|
||||
|
||||
mpic->irqhost = irq_alloc_host(node, IRQ_HOST_MAP_LINEAR,
|
||||
isu_size ? isu_size : mpic->num_sources,
|
||||
&mpic_host_ops,
|
||||
flags & MPIC_LARGE_VECTORS ? 2048 : 256);
|
||||
if (mpic->irqhost == NULL)
|
||||
return NULL;
|
||||
|
||||
mpic->irqhost->host_data = mpic;
|
||||
|
||||
/* Display version */
|
||||
switch (greg_feature & MPIC_GREG_FEATURE_VERSION_MASK) {
|
||||
case 1:
|
||||
|
@@ -41,8 +41,32 @@
|
||||
|
||||
static struct irq_host *master_irqhost;
|
||||
|
||||
#define XILINX_INTC_MAXIRQS (32)
|
||||
|
||||
/* The following table allows the interrupt type, edge or level,
|
||||
* to be cached after being read from the device tree until the interrupt
|
||||
* is mapped
|
||||
*/
|
||||
static int xilinx_intc_typetable[XILINX_INTC_MAXIRQS];
|
||||
|
||||
/* Map the interrupt type from the device tree to the interrupt types
|
||||
* used by the interrupt subsystem
|
||||
*/
|
||||
static unsigned char xilinx_intc_map_senses[] = {
|
||||
IRQ_TYPE_EDGE_RISING,
|
||||
IRQ_TYPE_EDGE_FALLING,
|
||||
IRQ_TYPE_LEVEL_HIGH,
|
||||
IRQ_TYPE_LEVEL_LOW,
|
||||
};
|
||||
|
||||
/*
|
||||
* IRQ Chip operations
|
||||
* The interrupt controller is setup such that it doesn't work well with
|
||||
* the level interrupt handler in the kernel because the handler acks the
|
||||
* interrupt before calling the application interrupt handler. To deal with
|
||||
* that, we use 2 different irq chips so that different functions can be
|
||||
* used for level and edge type interrupts.
|
||||
*
|
||||
* IRQ Chip common (across level and edge) operations
|
||||
*/
|
||||
static void xilinx_intc_mask(unsigned int virq)
|
||||
{
|
||||
@@ -52,15 +76,54 @@ static void xilinx_intc_mask(unsigned int virq)
|
||||
out_be32(regs + XINTC_CIE, 1 << irq);
|
||||
}
|
||||
|
||||
static void xilinx_intc_unmask(unsigned int virq)
|
||||
static int xilinx_intc_set_type(unsigned int virq, unsigned int flow_type)
|
||||
{
|
||||
struct irq_desc *desc = get_irq_desc(virq);
|
||||
|
||||
desc->status &= ~(IRQ_TYPE_SENSE_MASK | IRQ_LEVEL);
|
||||
desc->status |= flow_type & IRQ_TYPE_SENSE_MASK;
|
||||
if (flow_type & (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW))
|
||||
desc->status |= IRQ_LEVEL;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* IRQ Chip level operations
|
||||
*/
|
||||
static void xilinx_intc_level_unmask(unsigned int virq)
|
||||
{
|
||||
int irq = virq_to_hw(virq);
|
||||
void * regs = get_irq_chip_data(virq);
|
||||
pr_debug("unmask: %d\n", irq);
|
||||
out_be32(regs + XINTC_SIE, 1 << irq);
|
||||
|
||||
/* ack level irqs because they can't be acked during
|
||||
* ack function since the handle_level_irq function
|
||||
* acks the irq before calling the inerrupt handler
|
||||
*/
|
||||
out_be32(regs + XINTC_IAR, 1 << irq);
|
||||
}
|
||||
|
||||
static void xilinx_intc_ack(unsigned int virq)
|
||||
static struct irq_chip xilinx_intc_level_irqchip = {
|
||||
.typename = "Xilinx Level INTC",
|
||||
.mask = xilinx_intc_mask,
|
||||
.mask_ack = xilinx_intc_mask,
|
||||
.unmask = xilinx_intc_level_unmask,
|
||||
.set_type = xilinx_intc_set_type,
|
||||
};
|
||||
|
||||
/*
|
||||
* IRQ Chip edge operations
|
||||
*/
|
||||
static void xilinx_intc_edge_unmask(unsigned int virq)
|
||||
{
|
||||
int irq = virq_to_hw(virq);
|
||||
void *regs = get_irq_chip_data(virq);
|
||||
pr_debug("unmask: %d\n", irq);
|
||||
out_be32(regs + XINTC_SIE, 1 << irq);
|
||||
}
|
||||
|
||||
static void xilinx_intc_edge_ack(unsigned int virq)
|
||||
{
|
||||
int irq = virq_to_hw(virq);
|
||||
void * regs = get_irq_chip_data(virq);
|
||||
@@ -68,27 +131,60 @@ static void xilinx_intc_ack(unsigned int virq)
|
||||
out_be32(regs + XINTC_IAR, 1 << irq);
|
||||
}
|
||||
|
||||
static struct irq_chip xilinx_intc_irqchip = {
|
||||
.typename = "Xilinx INTC",
|
||||
static struct irq_chip xilinx_intc_edge_irqchip = {
|
||||
.typename = "Xilinx Edge INTC",
|
||||
.mask = xilinx_intc_mask,
|
||||
.unmask = xilinx_intc_unmask,
|
||||
.ack = xilinx_intc_ack,
|
||||
.unmask = xilinx_intc_edge_unmask,
|
||||
.ack = xilinx_intc_edge_ack,
|
||||
.set_type = xilinx_intc_set_type,
|
||||
};
|
||||
|
||||
/*
|
||||
* IRQ Host operations
|
||||
*/
|
||||
|
||||
/**
|
||||
* xilinx_intc_xlate - translate virq# from device tree interrupts property
|
||||
*/
|
||||
static int xilinx_intc_xlate(struct irq_host *h, struct device_node *ct,
|
||||
u32 *intspec, unsigned int intsize,
|
||||
irq_hw_number_t *out_hwirq,
|
||||
unsigned int *out_flags)
|
||||
{
|
||||
if ((intsize < 2) || (intspec[0] >= XILINX_INTC_MAXIRQS))
|
||||
return -EINVAL;
|
||||
|
||||
/* keep a copy of the interrupt type til the interrupt is mapped
|
||||
*/
|
||||
xilinx_intc_typetable[intspec[0]] = xilinx_intc_map_senses[intspec[1]];
|
||||
|
||||
/* Xilinx uses 2 interrupt entries, the 1st being the h/w
|
||||
* interrupt number, the 2nd being the interrupt type, edge or level
|
||||
*/
|
||||
*out_hwirq = intspec[0];
|
||||
*out_flags = xilinx_intc_map_senses[intspec[1]];
|
||||
|
||||
return 0;
|
||||
}
|
||||
static int xilinx_intc_map(struct irq_host *h, unsigned int virq,
|
||||
irq_hw_number_t irq)
|
||||
{
|
||||
set_irq_chip_data(virq, h->host_data);
|
||||
set_irq_chip_and_handler(virq, &xilinx_intc_irqchip, handle_level_irq);
|
||||
set_irq_type(virq, IRQ_TYPE_NONE);
|
||||
|
||||
if (xilinx_intc_typetable[irq] == IRQ_TYPE_LEVEL_HIGH ||
|
||||
xilinx_intc_typetable[irq] == IRQ_TYPE_LEVEL_LOW) {
|
||||
set_irq_chip_and_handler(virq, &xilinx_intc_level_irqchip,
|
||||
handle_level_irq);
|
||||
} else {
|
||||
set_irq_chip_and_handler(virq, &xilinx_intc_edge_irqchip,
|
||||
handle_edge_irq);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct irq_host_ops xilinx_intc_ops = {
|
||||
.map = xilinx_intc_map,
|
||||
.xlate = xilinx_intc_xlate,
|
||||
};
|
||||
|
||||
struct irq_host * __init
|
||||
@@ -116,7 +212,8 @@ xilinx_intc_init(struct device_node *np)
|
||||
out_be32(regs + XINTC_MER, 0x3UL); /* Turn on the Master Enable. */
|
||||
|
||||
/* Allocate and initialize an irq_host structure. */
|
||||
irq = irq_alloc_host(np, IRQ_HOST_MAP_LINEAR, 32, &xilinx_intc_ops, -1);
|
||||
irq = irq_alloc_host(np, IRQ_HOST_MAP_LINEAR, XILINX_INTC_MAXIRQS,
|
||||
&xilinx_intc_ops, -1);
|
||||
if (!irq)
|
||||
panic(__FILE__ ": Cannot allocate IRQ host\n");
|
||||
irq->host_data = regs;
|
||||
|
Reference in New Issue
Block a user