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Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

Browse Source 
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  [MIPS] Import updates from i386's i8259.c
  [MIPS] *-berr: Header inclusions for DEC bus error handlers
  [MIPS] Compile __do_IRQ() when really needed
  [MIPS] genirq: use name instead of typename
  [MIPS] Do not use handle_level_irq for ioasic_dma_irq_type.
  [MIPS] pte_offset(dir,addr): parenthesis fix
This commit is contained in:
Linus Torvalds 2006-12-06 16:17:37 -08:00
commit 3f5e573a08
30 changed files with 138 additions and 322 deletions
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9
arch/mips/Kconfig
View File

@ -242,6 +242,7 @@ config LASAT
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
select SYS_SUPPORTS_LITTLE_ENDIAN
select GENERIC_HARDIRQS_NO__DO_IRQ
config MIPS_ATLAS
bool "MIPS Atlas board"
@ -265,6 +266,7 @@ config MIPS_ATLAS
select SYS_SUPPORTS_BIG_ENDIAN
select SYS_SUPPORTS_LITTLE_ENDIAN
select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL
select GENERIC_HARDIRQS_NO__DO_IRQ
help
This enables support for the MIPS Technologies Atlas evaluation
board.
@ -419,6 +421,7 @@ config MOMENCO_OCELOT_C
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL
select SYS_SUPPORTS_BIG_ENDIAN
select GENERIC_HARDIRQS_NO__DO_IRQ
help
The Ocelot is a MIPS-based Single Board Computer (SBC) made by
Momentum Computer <http://www.momenco.com/>.
@ -569,6 +572,7 @@ config SGI_IP27
select SYS_SUPPORTS_BIG_ENDIAN
select SYS_SUPPORTS_NUMA
select SYS_SUPPORTS_SMP
select GENERIC_HARDIRQS_NO__DO_IRQ
help
This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
workstations. To compile a Linux kernel that runs on these, say Y
@ -835,6 +839,10 @@ config SCHED_NO_NO_OMIT_FRAME_POINTER
bool
default y
config GENERIC_HARDIRQS_NO__DO_IRQ
bool
default n
#
# Select some configuration options automatically based on user selections.
#
@ -996,6 +1004,7 @@ config SOC_PNX8550
select HW_HAS_PCI
select SYS_HAS_CPU_MIPS32_R1
select SYS_SUPPORTS_32BIT_KERNEL
select GENERIC_HARDIRQS_NO__DO_IRQ
config SWAP_IO_SPACE
bool

1
arch/mips/dec/ecc-berr.c
View File

@ -25,6 +25,7 @@
#include <asm/cpu.h>
#include <asm/irq_regs.h>
#include <asm/processor.h>
#include <asm/ptrace.h>
#include <asm/system.h>
#include <asm/traps.h>

4
arch/mips/dec/ioasic-irq.c
View File

@ -67,7 +67,6 @@ static struct irq_chip ioasic_irq_type = {
.mask = mask_ioasic_irq,
.mask_ack = ack_ioasic_irq,
.unmask = unmask_ioasic_irq,
.end = end_ioasic_irq,
};
@ -106,8 +105,7 @@ void __init init_ioasic_irqs(int base)
set_irq_chip_and_handler(i, &ioasic_irq_type,
handle_level_irq);
for (; i < base + IO_IRQ_LINES; i++)
set_irq_chip_and_handler(i, &ioasic_dma_irq_type,
handle_level_irq);
set_irq_chip(i, &ioasic_dma_irq_type);
ioasic_irq_base = base;
}

2
arch/mips/dec/kn01-berr.c
View File

@ -20,8 +20,10 @@
#include <linux/types.h>
#include <asm/inst.h>
#include <asm/irq_regs.h>
#include <asm/mipsregs.h>
#include <asm/page.h>
#include <asm/ptrace.h>
#include <asm/system.h>
#include <asm/traps.h>
#include <asm/uaccess.h>

7
arch/mips/dec/kn02-irq.c
View File

@ -57,19 +57,12 @@ static void ack_kn02_irq(unsigned int irq)
iob();
}
static void end_kn02_irq(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
unmask_kn02_irq(irq);
}
static struct irq_chip kn02_irq_type = {
.typename = "KN02-CSR",
.ack = ack_kn02_irq,
.mask = mask_kn02_irq,
.mask_ack = ack_kn02_irq,
.unmask = unmask_kn02_irq,
.end = end_kn02_irq,
};

7
arch/mips/emma2rh/common/irq_emma2rh.c
View File

@ -56,19 +56,12 @@ static void emma2rh_irq_disable(unsigned int irq)
ll_emma2rh_irq_disable(irq - emma2rh_irq_base);
}
static void emma2rh_irq_end(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
ll_emma2rh_irq_enable(irq - emma2rh_irq_base);
}
struct irq_chip emma2rh_irq_controller = {
.typename = "emma2rh_irq",
.ack = emma2rh_irq_disable,
.mask = emma2rh_irq_disable,
.mask_ack = emma2rh_irq_disable,
.unmask = emma2rh_irq_enable,
.end = emma2rh_irq_end,
};
void emma2rh_irq_init(u32 irq_base)

7
arch/mips/emma2rh/markeins/irq_markeins.c
View File

@ -48,19 +48,12 @@ static void emma2rh_sw_irq_disable(unsigned int irq)
ll_emma2rh_sw_irq_disable(irq - emma2rh_sw_irq_base);
}
static void emma2rh_sw_irq_end(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
ll_emma2rh_sw_irq_enable(irq - emma2rh_sw_irq_base);
}
struct irq_chip emma2rh_sw_irq_controller = {
.typename = "emma2rh_sw_irq",
.ack = emma2rh_sw_irq_disable,
.mask = emma2rh_sw_irq_disable,
.mask_ack = emma2rh_sw_irq_disable,
.unmask = emma2rh_sw_irq_enable,
.end = emma2rh_sw_irq_end,
};
void emma2rh_sw_irq_init(u32 irq_base)

7
arch/mips/jazz/irq.c
View File

@ -39,19 +39,12 @@ void disable_r4030_irq(unsigned int irq)
spin_unlock_irqrestore(&r4030_lock, flags);
}
static void end_r4030_irq(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
enable_r4030_irq(irq);
}
static struct irq_chip r4030_irq_type = {
.typename = "R4030",
.ack = disable_r4030_irq,
.mask = disable_r4030_irq,
.mask_ack = disable_r4030_irq,
.unmask = enable_r4030_irq,
.end = end_r4030_irq,
};
void __init init_r4030_ints(void)

160
arch/mips/kernel/i8259.c
View File

@ -19,9 +19,6 @@
#include <asm/i8259.h>
#include <asm/io.h>
void enable_8259A_irq(unsigned int irq);
void disable_8259A_irq(unsigned int irq);
/*
* This is the 'legacy' 8259A Programmable Interrupt Controller,
* present in the majority of PC/AT boxes.
@ -31,23 +28,16 @@ void disable_8259A_irq(unsigned int irq);
* moves to arch independent land
*/
static int i8259A_auto_eoi;
DEFINE_SPINLOCK(i8259A_lock);
static void end_8259A_irq (unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)) &&
irq_desc[irq].action)
enable_8259A_irq(irq);
}
/* some platforms call this... */
void mask_and_ack_8259A(unsigned int);
static struct irq_chip i8259A_irq_type = {
.typename = "XT-PIC",
.enable = enable_8259A_irq,
.disable = disable_8259A_irq,
.ack = mask_and_ack_8259A,
.end = end_8259A_irq,
static struct irq_chip i8259A_chip = {
.name = "XT-PIC",
.mask = disable_8259A_irq,
.unmask = enable_8259A_irq,
.mask_ack = mask_and_ack_8259A,
};
/*
@ -59,8 +49,8 @@ static struct irq_chip i8259A_irq_type = {
*/
static unsigned int cached_irq_mask = 0xffff;
#define cached_21 (cached_irq_mask)
#define cached_A1 (cached_irq_mask >> 8)
#define cached_master_mask (cached_irq_mask)
#define cached_slave_mask (cached_irq_mask >> 8)
void disable_8259A_irq(unsigned int irq)
{
@ -70,9 +60,9 @@ void disable_8259A_irq(unsigned int irq)
spin_lock_irqsave(&i8259A_lock, flags);
cached_irq_mask |= mask;
if (irq & 8)
outb(cached_A1,0xA1);
outb(cached_slave_mask, PIC_SLAVE_IMR);
else
outb(cached_21,0x21);
outb(cached_master_mask, PIC_MASTER_IMR);
spin_unlock_irqrestore(&i8259A_lock, flags);
}
@ -84,9 +74,9 @@ void enable_8259A_irq(unsigned int irq)
spin_lock_irqsave(&i8259A_lock, flags);
cached_irq_mask &= mask;
if (irq & 8)
outb(cached_A1,0xA1);
outb(cached_slave_mask, PIC_SLAVE_IMR);
else
outb(cached_21,0x21);
outb(cached_master_mask, PIC_MASTER_IMR);
spin_unlock_irqrestore(&i8259A_lock, flags);
}
@ -98,9 +88,9 @@ int i8259A_irq_pending(unsigned int irq)
spin_lock_irqsave(&i8259A_lock, flags);
if (irq < 8)
ret = inb(0x20) & mask;
ret = inb(PIC_MASTER_CMD) & mask;
else
ret = inb(0xA0) & (mask >> 8);
ret = inb(PIC_SLAVE_CMD) & (mask >> 8);
spin_unlock_irqrestore(&i8259A_lock, flags);
return ret;
@ -109,7 +99,7 @@ int i8259A_irq_pending(unsigned int irq)
void make_8259A_irq(unsigned int irq)
{
disable_irq_nosync(irq);
set_irq_chip(irq, &i8259A_irq_type);
set_irq_chip_and_handler(irq, &i8259A_chip, handle_level_irq);
enable_irq(irq);
}
@ -125,14 +115,14 @@ static inline int i8259A_irq_real(unsigned int irq)
int irqmask = 1 << irq;
if (irq < 8) {
outb(0x0B,0x20); /* ISR register */
value = inb(0x20) & irqmask;
outb(0x0A,0x20); /* back to the IRR register */
outb(0x0B,PIC_MASTER_CMD); /* ISR register */
value = inb(PIC_MASTER_CMD) & irqmask;
outb(0x0A,PIC_MASTER_CMD); /* back to the IRR register */
return value;
}
outb(0x0B,0xA0); /* ISR register */
value = inb(0xA0) & (irqmask >> 8);
outb(0x0A,0xA0); /* back to the IRR register */
outb(0x0B,PIC_SLAVE_CMD); /* ISR register */
value = inb(PIC_SLAVE_CMD) & (irqmask >> 8);
outb(0x0A,PIC_SLAVE_CMD); /* back to the IRR register */
return value;
}
@ -149,17 +139,19 @@ void mask_and_ack_8259A(unsigned int irq)
spin_lock_irqsave(&i8259A_lock, flags);
/*
* Lightweight spurious IRQ detection. We do not want to overdo
* spurious IRQ handling - it's usually a sign of hardware problems, so
* we only do the checks we can do without slowing down good hardware
* nnecesserily.
* Lightweight spurious IRQ detection. We do not want
* to overdo spurious IRQ handling - it's usually a sign
* of hardware problems, so we only do the checks we can
* do without slowing down good hardware unnecessarily.
*
* Note that IRQ7 and IRQ15 (the two spurious IRQs usually resulting
* rom the 8259A-1|2 PICs) occur even if the IRQ is masked in the 8259A.
* Thus we can check spurious 8259A IRQs without doing the quite slow
* i8259A_irq_real() call for every IRQ. This does not cover 100% of
* spurious interrupts, but should be enough to warn the user that
* there is something bad going on ...
* Note that IRQ7 and IRQ15 (the two spurious IRQs
* usually resulting from the 8259A-1|2 PICs) occur
* even if the IRQ is masked in the 8259A. Thus we
* can check spurious 8259A IRQs without doing the
* quite slow i8259A_irq_real() call for every IRQ.
* This does not cover 100% of spurious interrupts,
* but should be enough to warn the user that there
* is something bad going on ...
*/
if (cached_irq_mask & irqmask)
goto spurious_8259A_irq;
@ -167,14 +159,14 @@ void mask_and_ack_8259A(unsigned int irq)
handle_real_irq:
if (irq & 8) {
inb(0xA1); /* DUMMY - (do we need this?) */
outb(cached_A1,0xA1);
outb(0x60+(irq&7),0xA0);/* 'Specific EOI' to slave */
outb(0x62,0x20); /* 'Specific EOI' to master-IRQ2 */
inb(PIC_SLAVE_IMR); /* DUMMY - (do we need this?) */
outb(cached_slave_mask, PIC_SLAVE_IMR);
outb(0x60+(irq&7),PIC_SLAVE_CMD);/* 'Specific EOI' to slave */
outb(0x60+PIC_CASCADE_IR,PIC_MASTER_CMD); /* 'Specific EOI' to master-IRQ2 */
} else {
inb(0x21); /* DUMMY - (do we need this?) */
outb(cached_21,0x21);
outb(0x60+irq,0x20); /* 'Specific EOI' to master */
inb(PIC_MASTER_IMR); /* DUMMY - (do we need this?) */
outb(cached_master_mask, PIC_MASTER_IMR);
outb(0x60+irq,PIC_MASTER_CMD); /* 'Specific EOI to master */
}
#ifdef CONFIG_MIPS_MT_SMTC
if (irq_hwmask[irq] & ST0_IM)
@ -195,7 +187,7 @@ void mask_and_ack_8259A(unsigned int irq)
goto handle_real_irq;
{
static int spurious_irq_mask = 0;
static int spurious_irq_mask;
/*
* At this point we can be sure the IRQ is spurious,
* lets ACK and report it. [once per IRQ]
@ -216,13 +208,25 @@ void mask_and_ack_8259A(unsigned int irq)
static int i8259A_resume(struct sys_device *dev)
{
init_8259A(0);
init_8259A(i8259A_auto_eoi);
return 0;
}
static int i8259A_shutdown(struct sys_device *dev)
{
/* Put the i8259A into a quiescent state that
* the kernel initialization code can get it
* out of.
*/
outb(0xff, PIC_MASTER_IMR); /* mask all of 8259A-1 */
outb(0xff, PIC_SLAVE_IMR); /* mask all of 8259A-1 */
return 0;
}
static struct sysdev_class i8259_sysdev_class = {
set_kset_name("i8259"),
.resume = i8259A_resume,
.shutdown = i8259A_shutdown,
};
static struct sys_device device_i8259A = {
@ -244,41 +248,41 @@ void __init init_8259A(int auto_eoi)
{
unsigned long flags;
i8259A_auto_eoi = auto_eoi;
spin_lock_irqsave(&i8259A_lock, flags);
outb(0xff, 0x21); /* mask all of 8259A-1 */
outb(0xff, 0xA1); /* mask all of 8259A-2 */
outb(0xff, PIC_MASTER_IMR); /* mask all of 8259A-1 */
outb(0xff, PIC_SLAVE_IMR); /* mask all of 8259A-2 */
/*
* outb_p - this has to work on a wide range of PC hardware.
*/
outb_p(0x11, 0x20); /* ICW1: select 8259A-1 init */
outb_p(0x00, 0x21); /* ICW2: 8259A-1 IR0-7 mapped to 0x00-0x07 */
outb_p(0x04, 0x21); /* 8259A-1 (the master) has a slave on IR2 */
if (auto_eoi)
outb_p(0x03, 0x21); /* master does Auto EOI */
else
outb_p(0x01, 0x21); /* master expects normal EOI */
outb_p(0x11, 0xA0); /* ICW1: select 8259A-2 init */
outb_p(0x08, 0xA1); /* ICW2: 8259A-2 IR0-7 mapped to 0x08-0x0f */
outb_p(0x02, 0xA1); /* 8259A-2 is a slave on master's IR2 */
outb_p(0x01, 0xA1); /* (slave's support for AEOI in flat mode
is to be investigated) */
outb_p(0x11, PIC_MASTER_CMD); /* ICW1: select 8259A-1 init */
outb_p(I8259A_IRQ_BASE + 0, PIC_MASTER_IMR); /* ICW2: 8259A-1 IR0 mapped to I8259A_IRQ_BASE + 0x00 */
outb_p(1U << PIC_CASCADE_IR, PIC_MASTER_IMR); /* 8259A-1 (the master) has a slave on IR2 */
if (auto_eoi) /* master does Auto EOI */
outb_p(MASTER_ICW4_DEFAULT | PIC_ICW4_AEOI, PIC_MASTER_IMR);
else /* master expects normal EOI */
outb_p(MASTER_ICW4_DEFAULT, PIC_MASTER_IMR);
outb_p(0x11, PIC_SLAVE_CMD); /* ICW1: select 8259A-2 init */
outb_p(I8259A_IRQ_BASE + 8, PIC_SLAVE_IMR); /* ICW2: 8259A-2 IR0 mapped to I8259A_IRQ_BASE + 0x08 */
outb_p(PIC_CASCADE_IR, PIC_SLAVE_IMR); /* 8259A-2 is a slave on master's IR2 */
outb_p(SLAVE_ICW4_DEFAULT, PIC_SLAVE_IMR); /* (slave's support for AEOI in flat mode is to be investigated) */
if (auto_eoi)
/*
* in AEOI mode we just have to mask the interrupt
* In AEOI mode we just have to mask the interrupt
* when acking.
*/
i8259A_irq_type.ack = disable_8259A_irq;
i8259A_chip.mask_ack = disable_8259A_irq;
else
i8259A_irq_type.ack = mask_and_ack_8259A;
i8259A_chip.mask_ack = mask_and_ack_8259A;
udelay(100); /* wait for 8259A to initialize */
outb(cached_21, 0x21); /* restore master IRQ mask */
outb(cached_A1, 0xA1); /* restore slave IRQ mask */
outb(cached_master_mask, PIC_MASTER_IMR); /* restore master IRQ mask */
outb(cached_slave_mask, PIC_SLAVE_IMR); /* restore slave IRQ mask */
spin_unlock_irqrestore(&i8259A_lock, flags);
}
@ -291,11 +295,17 @@ static struct irqaction irq2 = {
};
static struct resource pic1_io_resource = {
.name = "pic1", .start = 0x20, .end = 0x21, .flags = IORESOURCE_BUSY
.name = "pic1",
.start = PIC_MASTER_CMD,
.end = PIC_MASTER_IMR,
.flags = IORESOURCE_BUSY
};
static struct resource pic2_io_resource = {
.name = "pic2", .start = 0xa0, .end = 0xa1, .flags = IORESOURCE_BUSY
.name = "pic2",
.start = PIC_SLAVE_CMD,
.end = PIC_SLAVE_IMR,
.flags = IORESOURCE_BUSY
};
/*
@ -313,7 +323,7 @@ void __init init_i8259_irqs (void)
init_8259A(0);
for (i = 0; i < 16; i++)
set_irq_chip(i, &i8259A_irq_type);
set_irq_chip_and_handler(i, &i8259A_chip, handle_level_irq);
setup_irq(2, &irq2);
setup_irq(PIC_CASCADE_IR, &irq2);
}

10
arch/mips/kernel/irq-mv6434x.c
View File

@ -66,15 +66,6 @@ static inline void unmask_mv64340_irq(unsigned int irq)
}
}
/*
* End IRQ processing
*/
static void end_mv64340_irq(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
unmask_mv64340_irq(irq);
}
/*
* Interrupt handler for interrupts coming from the Marvell chip.
* It could be built in ethernet ports etc...
@ -106,7 +97,6 @@ struct irq_chip mv64340_irq_type = {
.mask = mask_mv64340_irq,
.mask_ack = mask_mv64340_irq,
.unmask = unmask_mv64340_irq,
.end = end_mv64340_irq,
};
void __init mv64340_irq_init(unsigned int base)

7
arch/mips/kernel/irq-rm7000.c
View File

@ -29,19 +29,12 @@ static inline void mask_rm7k_irq(unsigned int irq)
clear_c0_intcontrol(0x100 << (irq - irq_base));
}
static void rm7k_cpu_irq_end(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
unmask_rm7k_irq(irq);
}
static struct irq_chip rm7k_irq_controller = {
.typename = "RM7000",
.ack = mask_rm7k_irq,
.mask = mask_rm7k_irq,
.mask_ack = mask_rm7k_irq,
.unmask = unmask_rm7k_irq,
.end = rm7k_cpu_irq_end,
};
void __init rm7k_cpu_irq_init(int base)

8
arch/mips/kernel/irq-rm9000.c
View File

@ -80,19 +80,12 @@ static void rm9k_perfcounter_irq_shutdown(unsigned int irq)
on_each_cpu(local_rm9k_perfcounter_irq_shutdown, (void *) irq, 0, 1);
}
static void rm9k_cpu_irq_end(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
unmask_rm9k_irq(irq);
}
static struct irq_chip rm9k_irq_controller = {
.typename = "RM9000",
.ack = mask_rm9k_irq,
.mask = mask_rm9k_irq,
.mask_ack = mask_rm9k_irq,
.unmask = unmask_rm9k_irq,
.end = rm9k_cpu_irq_end,
};
static struct irq_chip rm9k_perfcounter_irq = {
@ -103,7 +96,6 @@ static struct irq_chip rm9k_perfcounter_irq = {
.mask = mask_rm9k_irq,
.mask_ack = mask_rm9k_irq,
.unmask = unmask_rm9k_irq,
.end = rm9k_cpu_irq_end,
};
unsigned int rm9000_perfcount_irq;

2
arch/mips/kernel/irq.c
View File

@ -117,7 +117,7 @@ int show_interrupts(struct seq_file *p, void *v)
for_each_online_cpu(j)
seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
#endif
seq_printf(p, " %14s", irq_desc[i].chip->typename);
seq_printf(p, " %14s", irq_desc[i].chip->name);
seq_printf(p, " %s", action->name);
for (action=action->next; action; action = action->next)

10
arch/mips/kernel/irq_cpu.c
View File

@ -50,12 +50,6 @@ static inline void mask_mips_irq(unsigned int irq)
irq_disable_hazard();
}
static void mips_cpu_irq_end(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
unmask_mips_irq(irq);
}
static struct irq_chip mips_cpu_irq_controller = {
.typename = "MIPS",
.ack = mask_mips_irq,
@ -63,7 +57,6 @@ static struct irq_chip mips_cpu_irq_controller = {
.mask_ack = mask_mips_irq,
.unmask = unmask_mips_irq,
.eoi = unmask_mips_irq,
.end = mips_cpu_irq_end,
};
/*
@ -96,8 +89,6 @@ static void mips_mt_cpu_irq_ack(unsigned int irq)
mask_mips_mt_irq(irq);
}
#define mips_mt_cpu_irq_end mips_cpu_irq_end
static struct irq_chip mips_mt_cpu_irq_controller = {
.typename = "MIPS",
.startup = mips_mt_cpu_irq_startup,
@ -106,7 +97,6 @@ static struct irq_chip mips_mt_cpu_irq_controller = {
.mask_ack = mips_mt_cpu_irq_ack,
.unmask = unmask_mips_mt_irq,
.eoi = unmask_mips_mt_irq,
.end = mips_mt_cpu_irq_end,
};
void __init mips_cpu_irq_init(int irq_base)

7
arch/mips/lasat/interrupt.c
View File

@ -44,19 +44,12 @@ void enable_lasat_irq(unsigned int irq_nr)
*lasat_int_mask |= (1 << irq_nr) << lasat_int_mask_shift;
}
static void end_lasat_irq(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
enable_lasat_irq(irq);
}
static struct irq_chip lasat_irq_type = {
.typename = "Lasat",
.ack = disable_lasat_irq,
.mask = disable_lasat_irq,
.mask_ack = disable_lasat_irq,
.unmask = enable_lasat_irq,
.end = end_lasat_irq,
};
static inline int ls1bit32(unsigned int x)

10
arch/mips/momentum/ocelot_c/cpci-irq.c
View File

@ -65,15 +65,6 @@ static inline void unmask_cpci_irq(unsigned int irq)
value = OCELOT_FPGA_READ(INTMASK);
}
/*
* End IRQ processing
*/
static void end_cpci_irq(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
unmask_cpci_irq(irq);
}
/*
* Interrupt handler for interrupts coming from the FPGA chip.
* It could be built in ethernet ports etc...
@ -98,7 +89,6 @@ struct irq_chip cpci_irq_type = {
.mask = mask_cpci_irq,
.mask_ack = mask_cpci_irq,
.unmask = unmask_cpci_irq,
.end = end_cpci_irq,
};
void cpci_irq_init(void)

10
arch/mips/momentum/ocelot_c/uart-irq.c
View File

@ -59,15 +59,6 @@ static inline void unmask_uart_irq(unsigned int irq)
value = OCELOT_FPGA_READ(UART_INTMASK);
}
/*
* End IRQ processing
*/
static void end_uart_irq(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
unmask_uart_irq(irq);
}
/*
* Interrupt handler for interrupts coming from the FPGA chip.
*/
@ -91,7 +82,6 @@ struct irq_chip uart_irq_type = {
.mask = mask_uart_irq,
.mask_ack = mask_uart_irq,
.unmask = unmask_uart_irq,
.end = end_uart_irq,
};
void uart_irq_init(void)

8
arch/mips/philips/pnx8550/common/int.c
View File

@ -158,20 +158,12 @@ int pnx8550_set_gic_priority(int irq, int priority)
return prev_priority;
}
static void end_irq(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) {
unmask_irq(irq);
}
}
static struct irq_chip level_irq_type = {
.typename = "PNX Level IRQ",
.ack = mask_irq,
.mask = mask_irq,
.mask_ack = mask_irq,
.unmask = unmask_irq,
.end = end_irq,
};
static struct irqaction gic_action = {

28
arch/mips/sgi-ip22/ip22-int.c
View File

@ -51,19 +51,12 @@ static void disable_local0_irq(unsigned int irq)
sgint->imask0 &= ~(1 << (irq - SGINT_LOCAL0));
}
static void end_local0_irq (unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
enable_local0_irq(irq);
}
static struct irq_chip ip22_local0_irq_type = {
.typename = "IP22 local 0",
.ack = disable_local0_irq,
.mask = disable_local0_irq,
.mask_ack = disable_local0_irq,
.unmask = enable_local0_irq,
.end = end_local0_irq,
};
static void enable_local1_irq(unsigned int irq)
@ -79,19 +72,12 @@ void disable_local1_irq(unsigned int irq)
sgint->imask1 &= ~(1 << (irq - SGINT_LOCAL1));
}
static void end_local1_irq (unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
enable_local1_irq(irq);
}
static struct irq_chip ip22_local1_irq_type = {
.typename = "IP22 local 1",
.ack = disable_local1_irq,
.mask = disable_local1_irq,
.mask_ack = disable_local1_irq,
.unmask = enable_local1_irq,
.end = end_local1_irq,
};
static void enable_local2_irq(unsigned int irq)
@ -107,19 +93,12 @@ void disable_local2_irq(unsigned int irq)
sgint->imask0 &= ~(1 << (SGI_MAP_0_IRQ - SGINT_LOCAL0));
}
static void end_local2_irq (unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
enable_local2_irq(irq);
}
static struct irq_chip ip22_local2_irq_type = {
.typename = "IP22 local 2",
.ack = disable_local2_irq,
.mask = disable_local2_irq,
.mask_ack = disable_local2_irq,
.unmask = enable_local2_irq,
.end = end_local2_irq,
};
static void enable_local3_irq(unsigned int irq)
@ -135,19 +114,12 @@ void disable_local3_irq(unsigned int irq)
sgint->imask1 &= ~(1 << (SGI_MAP_1_IRQ - SGINT_LOCAL1));
}
static void end_local3_irq (unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
enable_local3_irq(irq);
}
static struct irq_chip ip22_local3_irq_type = {
.typename = "IP22 local 3",
.ack = disable_local3_irq,
.mask = disable_local3_irq,
.mask_ack = disable_local3_irq,
.unmask = enable_local3_irq,
.end = end_local3_irq,
};
static void indy_local0_irqdispatch(void)

8
arch/mips/sgi-ip27/ip27-irq.c
View File

@ -332,13 +332,6 @@ static inline void disable_bridge_irq(unsigned int irq)
intr_disconnect_level(cpu, swlevel);
}
static void end_bridge_irq(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)) &&
irq_desc[irq].action)
enable_bridge_irq(irq);
}
static struct irq_chip bridge_irq_type = {
.typename = "bridge",
.startup = startup_bridge_irq,
@ -347,7 +340,6 @@ static struct irq_chip bridge_irq_type = {
.mask = disable_bridge_irq,
.mask_ack = disable_bridge_irq,
.unmask = enable_bridge_irq,
.end = end_bridge_irq,
};
void __devinit register_bridge_irq(unsigned int irq)

5
arch/mips/sgi-ip27/ip27-timer.c
View File

@ -180,10 +180,6 @@ static void disable_rt_irq(unsigned int irq)
{
}
static void end_rt_irq(unsigned int irq)
{
}
static struct irq_chip rt_irq_type = {
.typename = "SN HUB RT timer",
.ack = disable_rt_irq,
@ -191,7 +187,6 @@ static struct irq_chip rt_irq_type = {
.mask_ack = disable_rt_irq,
.unmask = enable_rt_irq,
.eoi = enable_rt_irq,
.end = end_rt_irq,
};
static struct irqaction rt_irqaction = {

26
arch/mips/tx4927/common/tx4927_irq.c
View File

@ -66,12 +66,10 @@
#define TX4927_IRQ_CP0_INIT ( 1 << 10 )
#define TX4927_IRQ_CP0_ENABLE ( 1 << 13 )
#define TX4927_IRQ_CP0_DISABLE ( 1 << 14 )
#define TX4927_IRQ_CP0_ENDIRQ ( 1 << 16 )
#define TX4927_IRQ_PIC_INIT ( 1 << 20 )
#define TX4927_IRQ_PIC_ENABLE ( 1 << 23 )
#define TX4927_IRQ_PIC_DISABLE ( 1 << 24 )
#define TX4927_IRQ_PIC_ENDIRQ ( 1 << 26 )
#define TX4927_IRQ_ALL 0xffffffff
#endif
@ -82,12 +80,10 @@ static const u32 tx4927_irq_debug_flag = (TX4927_IRQ_NONE
| TX4927_IRQ_WARN | TX4927_IRQ_EROR
// | TX4927_IRQ_CP0_INIT
// | TX4927_IRQ_CP0_ENABLE
// | TX4927_IRQ_CP0_DISABLE
// | TX4927_IRQ_CP0_ENDIRQ
// | TX4927_IRQ_PIC_INIT
// | TX4927_IRQ_PIC_ENABLE
// | TX4927_IRQ_PIC_DISABLE
// | TX4927_IRQ_PIC_ENDIRQ
// | TX4927_IRQ_INIT
// | TX4927_IRQ_NEST1
// | TX4927_IRQ_NEST2
@ -114,11 +110,9 @@ static const u32 tx4927_irq_debug_flag = (TX4927_IRQ_NONE
static void tx4927_irq_cp0_enable(unsigned int irq);
static void tx4927_irq_cp0_disable(unsigned int irq);
static void tx4927_irq_cp0_end(unsigned int irq);
static void tx4927_irq_pic_enable(unsigned int irq);
static void tx4927_irq_pic_disable(unsigned int irq);
static void tx4927_irq_pic_end(unsigned int irq);
/*
* Kernel structs for all pic's
@ -131,7 +125,6 @@ static struct irq_chip tx4927_irq_cp0_type = {
.mask = tx4927_irq_cp0_disable,
.mask_ack = tx4927_irq_cp0_disable,
.unmask = tx4927_irq_cp0_enable,
.end = tx4927_irq_cp0_end,
};
#define TX4927_PIC_NAME "TX4927-PIC"
@ -141,7 +134,6 @@ static struct irq_chip tx4927_irq_pic_type = {
.mask = tx4927_irq_pic_disable,
.mask_ack = tx4927_irq_pic_disable,
.unmask = tx4927_irq_pic_enable,
.end = tx4927_irq_pic_end,
};
#define TX4927_PIC_ACTION(s) { no_action, 0, CPU_MASK_NONE, s, NULL, NULL }
@ -214,15 +206,6 @@ static void tx4927_irq_cp0_disable(unsigned int irq)
tx4927_irq_cp0_modify(CCP0_STATUS, tx4927_irq_cp0_mask(irq), 0);
}
static void tx4927_irq_cp0_end(unsigned int irq)
{
TX4927_IRQ_DPRINTK(TX4927_IRQ_CP0_ENDIRQ, "irq=%d \n", irq);
if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
tx4927_irq_cp0_enable(irq);
}
}
/*
* Functions for pic
*/
@ -376,15 +359,6 @@ static void tx4927_irq_pic_disable(unsigned int irq)
tx4927_irq_pic_mask(irq), 0);
}
static void tx4927_irq_pic_end(unsigned int irq)
{
TX4927_IRQ_DPRINTK(TX4927_IRQ_PIC_ENDIRQ, "irq=%d\n", irq);
if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
tx4927_irq_pic_enable(irq);
}
}
/*
* Main init functions
*/

21
arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c
View File

@ -153,7 +153,6 @@ JP7 is not bus master -- do NOT use -- only 4 pci bus master's allowed -- SouthB
#define TOSHIBA_RBTX4927_IRQ_IOC_INIT ( 1 << 10 )
#define TOSHIBA_RBTX4927_IRQ_IOC_ENABLE ( 1 << 13 )
#define TOSHIBA_RBTX4927_IRQ_IOC_DISABLE ( 1 << 14 )
#define TOSHIBA_RBTX4927_IRQ_IOC_ENDIRQ ( 1 << 16 )
#define TOSHIBA_RBTX4927_IRQ_ISA_INIT ( 1 << 20 )
#define TOSHIBA_RBTX4927_IRQ_ISA_ENABLE ( 1 << 23 )
@ -172,7 +171,6 @@ static const u32 toshiba_rbtx4927_irq_debug_flag =
// | TOSHIBA_RBTX4927_IRQ_IOC_INIT
// | TOSHIBA_RBTX4927_IRQ_IOC_ENABLE
// | TOSHIBA_RBTX4927_IRQ_IOC_DISABLE
// | TOSHIBA_RBTX4927_IRQ_IOC_ENDIRQ
// | TOSHIBA_RBTX4927_IRQ_ISA_INIT
// | TOSHIBA_RBTX4927_IRQ_ISA_ENABLE
// | TOSHIBA_RBTX4927_IRQ_ISA_DISABLE
@ -223,7 +221,6 @@ extern void mask_and_ack_8259A(unsigned int irq);
static void toshiba_rbtx4927_irq_ioc_enable(unsigned int irq);
static void toshiba_rbtx4927_irq_ioc_disable(unsigned int irq);
static void toshiba_rbtx4927_irq_ioc_end(unsigned int irq);
#ifdef CONFIG_TOSHIBA_FPCIB0
static void toshiba_rbtx4927_irq_isa_enable(unsigned int irq);
@ -239,7 +236,6 @@ static struct irq_chip toshiba_rbtx4927_irq_ioc_type = {
.mask = toshiba_rbtx4927_irq_ioc_disable,
.mask_ack = toshiba_rbtx4927_irq_ioc_disable,
.unmask = toshiba_rbtx4927_irq_ioc_enable,
.end = toshiba_rbtx4927_irq_ioc_end,
};
#define TOSHIBA_RBTX4927_IOC_INTR_ENAB 0xbc002000
#define TOSHIBA_RBTX4927_IOC_INTR_STAT 0xbc002006
@ -388,23 +384,6 @@ static void toshiba_rbtx4927_irq_ioc_disable(unsigned int irq)
TOSHIBA_RBTX4927_WR08(TOSHIBA_RBTX4927_IOC_INTR_ENAB, v);
}
static void toshiba_rbtx4927_irq_ioc_end(unsigned int irq)
{
TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_IOC_ENDIRQ,
"irq=%d\n", irq);
if (irq < TOSHIBA_RBTX4927_IRQ_IOC_BEG
|| irq > TOSHIBA_RBTX4927_IRQ_IOC_END) {
TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_EROR,
"bad irq=%d\n", irq);
panic("\n");
}
if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
toshiba_rbtx4927_irq_ioc_enable(irq);
}
}
/**********************************************************************************/
/* Functions for isa */

20
arch/mips/tx4938/common/irq.c
View File

@ -39,11 +39,9 @@
static void tx4938_irq_cp0_enable(unsigned int irq);
static void tx4938_irq_cp0_disable(unsigned int irq);
static void tx4938_irq_cp0_end(unsigned int irq);
static void tx4938_irq_pic_enable(unsigned int irq);
static void tx4938_irq_pic_disable(unsigned int irq);
static void tx4938_irq_pic_end(unsigned int irq);
/**********************************************************************************/
/* Kernel structs for all pic's */
@ -56,7 +54,6 @@ static struct irq_chip tx4938_irq_cp0_type = {
.mask = tx4938_irq_cp0_disable,
.mask_ack = tx4938_irq_cp0_disable,
.unmask = tx4938_irq_cp0_enable,
.end = tx4938_irq_cp0_end,
};
#define TX4938_PIC_NAME "TX4938-PIC"
@ -66,7 +63,6 @@ static struct irq_chip tx4938_irq_pic_type = {
.mask = tx4938_irq_pic_disable,
.mask_ack = tx4938_irq_pic_disable,
.unmask = tx4938_irq_pic_enable,
.end = tx4938_irq_pic_end,
};
static struct irqaction tx4938_irq_pic_action = {
@ -104,14 +100,6 @@ tx4938_irq_cp0_disable(unsigned int irq)
clear_c0_status(tx4938_irq_cp0_mask(irq));
}
static void
tx4938_irq_cp0_end(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
tx4938_irq_cp0_enable(irq);
}
}
/**********************************************************************************/
/* Functions for pic */
/**********************************************************************************/
@ -269,14 +257,6 @@ tx4938_irq_pic_disable(unsigned int irq)
tx4938_irq_pic_mask(irq), 0);
}
static void
tx4938_irq_pic_end(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
tx4938_irq_pic_enable(irq);
}
}
/**********************************************************************************/
/* Main init functions */
/**********************************************************************************/

10
arch/mips/tx4938/toshiba_rbtx4938/irq.c
View File

@ -89,7 +89,6 @@ IRQ Device
static void toshiba_rbtx4938_irq_ioc_enable(unsigned int irq);
static void toshiba_rbtx4938_irq_ioc_disable(unsigned int irq);
static void toshiba_rbtx4938_irq_ioc_end(unsigned int irq);
#define TOSHIBA_RBTX4938_IOC_NAME "RBTX4938-IOC"
static struct irq_chip toshiba_rbtx4938_irq_ioc_type = {
@ -98,7 +97,6 @@ static struct irq_chip toshiba_rbtx4938_irq_ioc_type = {
.mask = toshiba_rbtx4938_irq_ioc_disable,
.mask_ack = toshiba_rbtx4938_irq_ioc_disable,
.unmask = toshiba_rbtx4938_irq_ioc_enable,
.end = toshiba_rbtx4938_irq_ioc_end,
};
#define TOSHIBA_RBTX4938_IOC_INTR_ENAB 0xb7f02000
@ -167,14 +165,6 @@ toshiba_rbtx4938_irq_ioc_disable(unsigned int irq)
TX4938_RD08(TOSHIBA_RBTX4938_IOC_INTR_ENAB);
}
static void
toshiba_rbtx4938_irq_ioc_end(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
toshiba_rbtx4938_irq_ioc_enable(irq);
}
}
extern void __init txx9_spi_irqinit(int irc_irq);
void __init arch_init_irq(void)

5
arch/mips/vr41xx/Kconfig
View File

@ -6,6 +6,7 @@ config CASIO_E55
select ISA
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_LITTLE_ENDIAN
select GENERIC_HARDIRQS_NO__DO_IRQ
config IBM_WORKPAD
bool "Support for IBM WorkPad z50"
@ -15,6 +16,7 @@ config IBM_WORKPAD
select ISA
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_LITTLE_ENDIAN
select GENERIC_HARDIRQS_NO__DO_IRQ
config NEC_CMBVR4133
bool "Support for NEC CMB-VR4133"
@ -39,6 +41,7 @@ config TANBAC_TB022X
select IRQ_CPU
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_LITTLE_ENDIAN
select GENERIC_HARDIRQS_NO__DO_IRQ
help
The TANBAC VR4131 multichip module(TB0225) and
the TANBAC VR4131DIMM(TB0229) are MIPS-based platforms
@ -71,6 +74,7 @@ config VICTOR_MPC30X
select IRQ_CPU
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_LITTLE_ENDIAN
select GENERIC_HARDIRQS_NO__DO_IRQ
config ZAO_CAPCELLA
bool "Support for ZAO Networks Capcella"
@ -80,6 +84,7 @@ config ZAO_CAPCELLA
select IRQ_CPU
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_LITTLE_ENDIAN
select GENERIC_HARDIRQS_NO__DO_IRQ
config PCI_VR41XX
bool "Add PCI control unit support of NEC VR4100 series"

14
arch/mips/vr41xx/common/icu.c
View File

@ -427,19 +427,12 @@ static void enable_sysint1_irq(unsigned int irq)
icu1_set(MSYSINT1REG, 1 << SYSINT1_IRQ_TO_PIN(irq));
}
static void end_sysint1_irq(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
icu1_set(MSYSINT1REG, 1 << SYSINT1_IRQ_TO_PIN(irq));
}
static struct irq_chip sysint1_irq_type = {
.typename = "SYSINT1",
.ack = disable_sysint1_irq,
.mask = disable_sysint1_irq,
.mask_ack = disable_sysint1_irq,
.unmask = enable_sysint1_irq,
.end = end_sysint1_irq,
};
static void disable_sysint2_irq(unsigned int irq)
@ -452,19 +445,12 @@ static void enable_sysint2_irq(unsigned int irq)
icu2_set(MSYSINT2REG, 1 << SYSINT2_IRQ_TO_PIN(irq));
}
static void end_sysint2_irq(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
icu2_set(MSYSINT2REG, 1 << SYSINT2_IRQ_TO_PIN(irq));
}
static struct irq_chip sysint2_irq_type = {
.typename = "SYSINT2",
.ack = disable_sysint2_irq,
.mask = disable_sysint2_irq,
.mask_ack = disable_sysint2_irq,
.unmask = enable_sysint2_irq,
.end = end_sysint2_irq,
};
static inline int set_sysint1_assign(unsigned int irq, unsigned char assign)

37
include/asm-mips/i8259.h
View File

@ -19,10 +19,31 @@
#include <asm/io.h>
/* i8259A PIC registers */
#define PIC_MASTER_CMD 0x20
#define PIC_MASTER_IMR 0x21
#define PIC_MASTER_ISR PIC_MASTER_CMD
#define PIC_MASTER_POLL PIC_MASTER_ISR
#define PIC_MASTER_OCW3 PIC_MASTER_ISR
#define PIC_SLAVE_CMD 0xa0
#define PIC_SLAVE_IMR 0xa1
/* i8259A PIC related value */
#define PIC_CASCADE_IR 2
#define MASTER_ICW4_DEFAULT 0x01
#define SLAVE_ICW4_DEFAULT 0x01
#define PIC_ICW4_AEOI 2
extern spinlock_t i8259A_lock;
extern void init_8259A(int auto_eoi);
extern void enable_8259A_irq(unsigned int irq);
extern void disable_8259A_irq(unsigned int irq);
extern void init_i8259_irqs(void);
#define I8259A_IRQ_BASE 0
/*
* Do the traditional i8259 interrupt polling thing. This is for the few
* cases where no better interrupt acknowledge method is available and we
@ -35,15 +56,15 @@ static inline int i8259_irq(void)
spin_lock(&i8259A_lock);
/* Perform an interrupt acknowledge cycle on controller 1. */
outb(0x0C, 0x20); /* prepare for poll */
irq = inb(0x20) & 7;
if (irq == 2) {
outb(0x0C, PIC_MASTER_CMD); /* prepare for poll */
irq = inb(PIC_MASTER_CMD) & 7;
if (irq == PIC_CASCADE_IR) {
/*
* Interrupt is cascaded so perform interrupt
* acknowledge on controller 2.
*/
outb(0x0C, 0xA0); /* prepare for poll */
irq = (inb(0xA0) & 7) + 8;
outb(0x0C, PIC_SLAVE_CMD); /* prepare for poll */
irq = (inb(PIC_SLAVE_CMD) & 7) + 8;
}
if (unlikely(irq == 7)) {
@ -54,14 +75,14 @@ static inline int i8259_irq(void)
* significant bit is not set then there is no valid
* interrupt.
*/
outb(0x0B, 0x20); /* ISR register */
if(~inb(0x20) & 0x80)
outb(0x0B, PIC_MASTER_ISR); /* ISR register */
if(~inb(PIC_MASTER_ISR) & 0x80)
irq = -1;
}
spin_unlock(&i8259A_lock);
return irq;
return likely(irq >= 0) ? irq + I8259A_IRQ_BASE : irq;
}
#endif /* _ASM_I8259_H */

6
include/asm-mips/pgtable-32.h
View File

@ -156,9 +156,9 @@ pfn_pte(unsigned long pfn, pgprot_t prot)
#define __pte_offset(address) \
(((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
#define pte_offset(dir, address) \
((pte_t *) (pmd_page_vaddr(*dir)) + __pte_offset(address))
#define pte_offset_kernel(dir, address) \
((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address))
((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address))
#define pte_offset_kernel(dir, address) \
((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address))
#define pte_offset_map(dir, address) \
((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))

4
include/asm-mips/pgtable-64.h
View File

@ -212,9 +212,9 @@ static inline pmd_t *pmd_offset(pud_t * pud, unsigned long address)
#define __pte_offset(address) \
(((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
#define pte_offset(dir, address) \
((pte_t *) (pmd_page_vaddr(*dir)) + __pte_offset(address))
((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address))
#define pte_offset_kernel(dir, address) \
((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address))
((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address))
#define pte_offset_map(dir, address) \
((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
#define pte_offset_map_nested(dir, address) \