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-rw-r--r--arch/mips/tx4938/common/irq.c135
-rw-r--r--arch/mips/tx4938/common/setup.c1
-rw-r--r--arch/mips/tx4938/toshiba_rbtx4938/irq.c64
-rw-r--r--arch/mips/tx4938/toshiba_rbtx4938/spi_txx9.c8
4 files changed, 27 insertions, 181 deletions
diff --git a/arch/mips/tx4938/common/irq.c b/arch/mips/tx4938/common/irq.c
index 77fe2454f5b..a347b424d91 100644
--- a/arch/mips/tx4938/common/irq.c
+++ b/arch/mips/tx4938/common/irq.c
@@ -37,48 +37,32 @@
/* Forwad definitions for all pic's */
/**********************************************************************************/
-static unsigned int tx4938_irq_cp0_startup(unsigned int irq);
-static void tx4938_irq_cp0_shutdown(unsigned int irq);
static void tx4938_irq_cp0_enable(unsigned int irq);
static void tx4938_irq_cp0_disable(unsigned int irq);
-static void tx4938_irq_cp0_mask_and_ack(unsigned int irq);
-static void tx4938_irq_cp0_end(unsigned int irq);
-static unsigned int tx4938_irq_pic_startup(unsigned int irq);
-static void tx4938_irq_pic_shutdown(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_mask_and_ack(unsigned int irq);
-static void tx4938_irq_pic_end(unsigned int irq);
/**********************************************************************************/
/* Kernel structs for all pic's */
/**********************************************************************************/
-DEFINE_SPINLOCK(tx4938_cp0_lock);
-DEFINE_SPINLOCK(tx4938_pic_lock);
#define TX4938_CP0_NAME "TX4938-CP0"
static struct irq_chip tx4938_irq_cp0_type = {
.typename = TX4938_CP0_NAME,
- .startup = tx4938_irq_cp0_startup,
- .shutdown = tx4938_irq_cp0_shutdown,
- .enable = tx4938_irq_cp0_enable,
- .disable = tx4938_irq_cp0_disable,
- .ack = tx4938_irq_cp0_mask_and_ack,
- .end = tx4938_irq_cp0_end,
- .set_affinity = NULL
+ .ack = tx4938_irq_cp0_disable,
+ .mask = tx4938_irq_cp0_disable,
+ .mask_ack = tx4938_irq_cp0_disable,
+ .unmask = tx4938_irq_cp0_enable,
};
#define TX4938_PIC_NAME "TX4938-PIC"
static struct irq_chip tx4938_irq_pic_type = {
.typename = TX4938_PIC_NAME,
- .startup = tx4938_irq_pic_startup,
- .shutdown = tx4938_irq_pic_shutdown,
- .enable = tx4938_irq_pic_enable,
- .disable = tx4938_irq_pic_disable,
- .ack = tx4938_irq_pic_mask_and_ack,
- .end = tx4938_irq_pic_end,
- .set_affinity = NULL
+ .ack = tx4938_irq_pic_disable,
+ .mask = tx4938_irq_pic_disable,
+ .mask_ack = tx4938_irq_pic_disable,
+ .unmask = tx4938_irq_pic_enable,
};
static struct irqaction tx4938_irq_pic_action = {
@@ -99,64 +83,21 @@ tx4938_irq_cp0_init(void)
{
int i;
- for (i = TX4938_IRQ_CP0_BEG; i <= TX4938_IRQ_CP0_END; i++) {
- irq_desc[i].status = IRQ_DISABLED;
- irq_desc[i].action = 0;
- irq_desc[i].depth = 1;
- irq_desc[i].chip = &tx4938_irq_cp0_type;
- }
-}
-
-static unsigned int
-tx4938_irq_cp0_startup(unsigned int irq)
-{
- tx4938_irq_cp0_enable(irq);
-
- return 0;
-}
-
-static void
-tx4938_irq_cp0_shutdown(unsigned int irq)
-{
- tx4938_irq_cp0_disable(irq);
+ for (i = TX4938_IRQ_CP0_BEG; i <= TX4938_IRQ_CP0_END; i++)
+ set_irq_chip_and_handler(i, &tx4938_irq_cp0_type,
+ handle_level_irq);
}
static void
tx4938_irq_cp0_enable(unsigned int irq)
{
- unsigned long flags;
-
- spin_lock_irqsave(&tx4938_cp0_lock, flags);
-
set_c0_status(tx4938_irq_cp0_mask(irq));
-
- spin_unlock_irqrestore(&tx4938_cp0_lock, flags);
}
static void
tx4938_irq_cp0_disable(unsigned int irq)
{
- unsigned long flags;
-
- spin_lock_irqsave(&tx4938_cp0_lock, flags);
-
clear_c0_status(tx4938_irq_cp0_mask(irq));
-
- spin_unlock_irqrestore(&tx4938_cp0_lock, flags);
-}
-
-static void
-tx4938_irq_cp0_mask_and_ack(unsigned int irq)
-{
- tx4938_irq_cp0_disable(irq);
-}
-
-static void
-tx4938_irq_cp0_end(unsigned int irq)
-{
- if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
- tx4938_irq_cp0_enable(irq);
- }
}
/**********************************************************************************/
@@ -290,78 +231,30 @@ tx4938_irq_pic_modify(unsigned pic_reg, unsigned clr_bits, unsigned set_bits)
static void __init
tx4938_irq_pic_init(void)
{
- unsigned long flags;
int i;
- for (i = TX4938_IRQ_PIC_BEG; i <= TX4938_IRQ_PIC_END; i++) {
- irq_desc[i].status = IRQ_DISABLED;
- irq_desc[i].action = 0;
- irq_desc[i].depth = 2;
- irq_desc[i].chip = &tx4938_irq_pic_type;
- }
+ for (i = TX4938_IRQ_PIC_BEG; i <= TX4938_IRQ_PIC_END; i++)
+ set_irq_chip_and_handler(i, &tx4938_irq_pic_type,
+ handle_level_irq);
setup_irq(TX4938_IRQ_NEST_PIC_ON_CP0, &tx4938_irq_pic_action);
- spin_lock_irqsave(&tx4938_pic_lock, flags);
-
TX4938_WR(0xff1ff640, 0x6); /* irq level mask -- only accept hightest */
TX4938_WR(0xff1ff600, TX4938_RD(0xff1ff600) | 0x1); /* irq enable */
-
- spin_unlock_irqrestore(&tx4938_pic_lock, flags);
-}
-
-static unsigned int
-tx4938_irq_pic_startup(unsigned int irq)
-{
- tx4938_irq_pic_enable(irq);
-
- return 0;
-}
-
-static void
-tx4938_irq_pic_shutdown(unsigned int irq)
-{
- tx4938_irq_pic_disable(irq);
}
static void
tx4938_irq_pic_enable(unsigned int irq)
{
- unsigned long flags;
-
- spin_lock_irqsave(&tx4938_pic_lock, flags);
-
tx4938_irq_pic_modify(tx4938_irq_pic_addr(irq), 0,
tx4938_irq_pic_mask(irq));
-
- spin_unlock_irqrestore(&tx4938_pic_lock, flags);
}
static void
tx4938_irq_pic_disable(unsigned int irq)
{
- unsigned long flags;
-
- spin_lock_irqsave(&tx4938_pic_lock, flags);
-
tx4938_irq_pic_modify(tx4938_irq_pic_addr(irq),
tx4938_irq_pic_mask(irq), 0);
-
- spin_unlock_irqrestore(&tx4938_pic_lock, flags);
-}
-
-static void
-tx4938_irq_pic_mask_and_ack(unsigned int irq)
-{
- tx4938_irq_pic_disable(irq);
-}
-
-static void
-tx4938_irq_pic_end(unsigned int irq)
-{
- if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
- tx4938_irq_pic_enable(irq);
- }
}
/**********************************************************************************/
diff --git a/arch/mips/tx4938/common/setup.c b/arch/mips/tx4938/common/setup.c
index f415a1f18fb..dc87d92bb08 100644
--- a/arch/mips/tx4938/common/setup.c
+++ b/arch/mips/tx4938/common/setup.c
@@ -31,7 +31,6 @@
#include <asm/mipsregs.h>
#include <asm/system.h>
#include <asm/time.h>
-#include <asm/time.h>
#include <asm/tx4938/rbtx4938.h>
extern void toshiba_rbtx4938_setup(void);
diff --git a/arch/mips/tx4938/toshiba_rbtx4938/irq.c b/arch/mips/tx4938/toshiba_rbtx4938/irq.c
index 102e473c10a..b6f363d0801 100644
--- a/arch/mips/tx4938/toshiba_rbtx4938/irq.c
+++ b/arch/mips/tx4938/toshiba_rbtx4938/irq.c
@@ -87,25 +87,16 @@ IRQ Device
#include <linux/bootmem.h>
#include <asm/tx4938/rbtx4938.h>
-static unsigned int toshiba_rbtx4938_irq_ioc_startup(unsigned int irq);
-static void toshiba_rbtx4938_irq_ioc_shutdown(unsigned int irq);
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_mask_and_ack(unsigned int irq);
-static void toshiba_rbtx4938_irq_ioc_end(unsigned int irq);
-
-DEFINE_SPINLOCK(toshiba_rbtx4938_ioc_lock);
#define TOSHIBA_RBTX4938_IOC_NAME "RBTX4938-IOC"
static struct irq_chip toshiba_rbtx4938_irq_ioc_type = {
.typename = TOSHIBA_RBTX4938_IOC_NAME,
- .startup = toshiba_rbtx4938_irq_ioc_startup,
- .shutdown = toshiba_rbtx4938_irq_ioc_shutdown,
- .enable = toshiba_rbtx4938_irq_ioc_enable,
- .disable = toshiba_rbtx4938_irq_ioc_disable,
- .ack = toshiba_rbtx4938_irq_ioc_mask_and_ack,
- .end = toshiba_rbtx4938_irq_ioc_end,
- .set_affinity = NULL
+ .ack = toshiba_rbtx4938_irq_ioc_disable,
+ .mask = toshiba_rbtx4938_irq_ioc_disable,
+ .mask_ack = toshiba_rbtx4938_irq_ioc_disable,
+ .unmask = toshiba_rbtx4938_irq_ioc_enable,
};
#define TOSHIBA_RBTX4938_IOC_INTR_ENAB 0xb7f02000
@@ -142,77 +133,36 @@ toshiba_rbtx4938_irq_ioc_init(void)
int i;
for (i = TOSHIBA_RBTX4938_IRQ_IOC_BEG;
- i <= TOSHIBA_RBTX4938_IRQ_IOC_END; i++) {
- irq_desc[i].status = IRQ_DISABLED;
- irq_desc[i].action = 0;
- irq_desc[i].depth = 3;
- irq_desc[i].chip = &toshiba_rbtx4938_irq_ioc_type;
- }
+ i <= TOSHIBA_RBTX4938_IRQ_IOC_END; i++)
+ set_irq_chip_and_handler(i, &toshiba_rbtx4938_irq_ioc_type,
+ handle_level_irq);
setup_irq(RBTX4938_IRQ_IOCINT,
&toshiba_rbtx4938_irq_ioc_action);
}
-static unsigned int
-toshiba_rbtx4938_irq_ioc_startup(unsigned int irq)
-{
- toshiba_rbtx4938_irq_ioc_enable(irq);
-
- return 0;
-}
-
-static void
-toshiba_rbtx4938_irq_ioc_shutdown(unsigned int irq)
-{
- toshiba_rbtx4938_irq_ioc_disable(irq);
-}
-
static void
toshiba_rbtx4938_irq_ioc_enable(unsigned int irq)
{
- unsigned long flags;
volatile unsigned char v;
- spin_lock_irqsave(&toshiba_rbtx4938_ioc_lock, flags);
-
v = TX4938_RD08(TOSHIBA_RBTX4938_IOC_INTR_ENAB);
v |= (1 << (irq - TOSHIBA_RBTX4938_IRQ_IOC_BEG));
TX4938_WR08(TOSHIBA_RBTX4938_IOC_INTR_ENAB, v);
mmiowb();
TX4938_RD08(TOSHIBA_RBTX4938_IOC_INTR_ENAB);
-
- spin_unlock_irqrestore(&toshiba_rbtx4938_ioc_lock, flags);
}
static void
toshiba_rbtx4938_irq_ioc_disable(unsigned int irq)
{
- unsigned long flags;
volatile unsigned char v;
- spin_lock_irqsave(&toshiba_rbtx4938_ioc_lock, flags);
-
v = TX4938_RD08(TOSHIBA_RBTX4938_IOC_INTR_ENAB);
v &= ~(1 << (irq - TOSHIBA_RBTX4938_IRQ_IOC_BEG));
TX4938_WR08(TOSHIBA_RBTX4938_IOC_INTR_ENAB, v);
mmiowb();
TX4938_RD08(TOSHIBA_RBTX4938_IOC_INTR_ENAB);
-
- spin_unlock_irqrestore(&toshiba_rbtx4938_ioc_lock, flags);
-}
-
-static void
-toshiba_rbtx4938_irq_ioc_mask_and_ack(unsigned int irq)
-{
- toshiba_rbtx4938_irq_ioc_disable(irq);
-}
-
-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);
diff --git a/arch/mips/tx4938/toshiba_rbtx4938/spi_txx9.c b/arch/mips/tx4938/toshiba_rbtx4938/spi_txx9.c
index b926e6a75c2..08b20cdfd7b 100644
--- a/arch/mips/tx4938/toshiba_rbtx4938/spi_txx9.c
+++ b/arch/mips/tx4938/toshiba_rbtx4938/spi_txx9.c
@@ -36,14 +36,18 @@ void __init txx9_spi_init(unsigned long base, int (*cs_func)(int chipid, int on)
static DECLARE_WAIT_QUEUE_HEAD(txx9_spi_wait);
-static void txx9_spi_interrupt(int irq, void *dev_id)
+static irqreturn_t txx9_spi_interrupt(int irq, void *dev_id)
{
/* disable rx intr */
tx4938_spiptr->cr0 &= ~TXx9_SPCR0_RBSIE;
wake_up(&txx9_spi_wait);
+
+ return IRQ_HANDLED;
}
+
static struct irqaction txx9_spi_action = {
- txx9_spi_interrupt, 0, 0, "spi", NULL, NULL,
+ .handler = txx9_spi_interrupt,
+ .name = "spi",
};
void __init txx9_spi_irqinit(int irc_irq)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-05 14:04:08 +0000