Skip to content

Commit

Permalink
[MIPS] Vr41xx: Fix after GENERIC_HARDIRQS_NO__DO_IRQ change
Browse files Browse the repository at this point in the history 
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
  • Loading branch information
Yoichi Yuasa authored and Ralf Baechle committed Jan 23, 2007
1 parent ac8be95 commit 364ca8a
Show file tree
Hide file tree
Showing 2 changed files with 61 additions and 65 deletions.
12 changes: 9 additions & 3 deletions arch/mips/vr41xx/common/irq.c
View file
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
/*
* Interrupt handing routines for NEC VR4100 series.
*
* Copyright (C) 2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
* Copyright (C) 2005-2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
Expand Down Expand Up @@ -73,13 +73,19 @@ static void irq_dispatch(unsigned int irq)
if (cascade->get_irq != NULL) {
unsigned int source_irq = irq;
desc = irq_desc + source_irq;
desc->chip->ack(source_irq);
if (desc->chip->mask_ack)
desc->chip->mask_ack(source_irq);
else {
desc->chip->mask(source_irq);
desc->chip->ack(source_irq);
}
irq = cascade->get_irq(irq);
if (irq < 0)
atomic_inc(&irq_err_count);
else
irq_dispatch(irq);
desc->chip->end(source_irq);
if (!(desc->status & IRQ_DISABLED) && desc->chip->unmask)
desc->chip->unmask(source_irq);
} else
do_IRQ(irq);
}
Expand Down
114 changes: 52 additions & 62 deletions drivers/char/vr41xx_giu.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@
*
* Copyright (C) 2002 MontaVista Software Inc.
* Author: Yoichi Yuasa <yyuasa@mvista.com or source@mvista.com>
* Copyright (C) 2003-2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
* Copyright (C) 2003-2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
Expand Down Expand Up @@ -125,30 +125,17 @@ static inline uint16_t giu_clear(uint16_t offset, uint16_t clear)
return data;
}

static unsigned int startup_giuint_low_irq(unsigned int irq)
static void ack_giuint_low(unsigned int irq)
{
unsigned int pin;

pin = GPIO_PIN_OF_IRQ(irq);
giu_write(GIUINTSTATL, 1 << pin);
giu_set(GIUINTENL, 1 << pin);

return 0;
giu_write(GIUINTSTATL, 1 << GPIO_PIN_OF_IRQ(irq));
}

static void shutdown_giuint_low_irq(unsigned int irq)
static void mask_giuint_low(unsigned int irq)
{
giu_clear(GIUINTENL, 1 << GPIO_PIN_OF_IRQ(irq));
}

static void enable_giuint_low_irq(unsigned int irq)
{
giu_set(GIUINTENL, 1 << GPIO_PIN_OF_IRQ(irq));
}

#define disable_giuint_low_irq shutdown_giuint_low_irq

static void ack_giuint_low_irq(unsigned int irq)
static void mask_ack_giuint_low(unsigned int irq)
{
unsigned int pin;

Expand All @@ -157,46 +144,30 @@ static void ack_giuint_low_irq(unsigned int irq)
giu_write(GIUINTSTATL, 1 << pin);
}

static void end_giuint_low_irq(unsigned int irq)
static void unmask_giuint_low(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
giu_set(GIUINTENL, 1 << GPIO_PIN_OF_IRQ(irq));
giu_set(GIUINTENL, 1 << GPIO_PIN_OF_IRQ(irq));
}

static struct hw_interrupt_type giuint_low_irq_type = {
.typename = "GIUINTL",
.startup = startup_giuint_low_irq,
.shutdown = shutdown_giuint_low_irq,
.enable = enable_giuint_low_irq,
.disable = disable_giuint_low_irq,
.ack = ack_giuint_low_irq,
.end = end_giuint_low_irq,
static struct irq_chip giuint_low_irq_chip = {
.name = "GIUINTL",
.ack = ack_giuint_low,
.mask = mask_giuint_low,
.mask_ack = mask_ack_giuint_low,
.unmask = unmask_giuint_low,
};

static unsigned int startup_giuint_high_irq(unsigned int irq)
static void ack_giuint_high(unsigned int irq)
{
unsigned int pin;

pin = GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET;
giu_write(GIUINTSTATH, 1 << pin);
giu_set(GIUINTENH, 1 << pin);

return 0;
giu_write(GIUINTSTATH, 1 << (GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET));
}

static void shutdown_giuint_high_irq(unsigned int irq)
static void mask_giuint_high(unsigned int irq)
{
giu_clear(GIUINTENH, 1 << (GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET));
}

static void enable_giuint_high_irq(unsigned int irq)
{
giu_set(GIUINTENH, 1 << (GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET));
}

#define disable_giuint_high_irq shutdown_giuint_high_irq

static void ack_giuint_high_irq(unsigned int irq)
static void mask_ack_giuint_high(unsigned int irq)
{
unsigned int pin;

Expand All @@ -205,20 +176,17 @@ static void ack_giuint_high_irq(unsigned int irq)
giu_write(GIUINTSTATH, 1 << pin);
}

static void end_giuint_high_irq(unsigned int irq)
static void unmask_giuint_high(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
giu_set(GIUINTENH, 1 << (GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET));
giu_set(GIUINTENH, 1 << (GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET));
}

static struct hw_interrupt_type giuint_high_irq_type = {
.typename = "GIUINTH",
.startup = startup_giuint_high_irq,
.shutdown = shutdown_giuint_high_irq,
.enable = enable_giuint_high_irq,
.disable = disable_giuint_high_irq,
.ack = ack_giuint_high_irq,
.end = end_giuint_high_irq,
static struct irq_chip giuint_high_irq_chip = {
.name = "GIUINTH",
.ack = ack_giuint_high,
.mask = mask_giuint_high,
.mask_ack = mask_ack_giuint_high,
.unmask = unmask_giuint_high,
};

static int giu_get_irq(unsigned int irq)
Expand Down Expand Up @@ -282,9 +250,15 @@ void vr41xx_set_irq_trigger(unsigned int pin, irq_trigger_t trigger, irq_signal_
break;
}
}
set_irq_chip_and_handler(GIU_IRQ(pin),
&giuint_low_irq_chip,
handle_edge_irq);
} else {
giu_clear(GIUINTTYPL, mask);
giu_clear(GIUINTHTSELL, mask);
set_irq_chip_and_handler(GIU_IRQ(pin),
&giuint_low_irq_chip,
handle_level_irq);
}
giu_write(GIUINTSTATL, mask);
} else if (pin < GIUINT_HIGH_MAX) {
Expand All @@ -311,9 +285,15 @@ void vr41xx_set_irq_trigger(unsigned int pin, irq_trigger_t trigger, irq_signal_
break;
}
}
set_irq_chip_and_handler(GIU_IRQ(pin),
&giuint_high_irq_chip,
handle_edge_irq);
} else {
giu_clear(GIUINTTYPH, mask);
giu_clear(GIUINTHTSELH, mask);
set_irq_chip_and_handler(GIU_IRQ(pin),
&giuint_high_irq_chip,
handle_level_irq);
}
giu_write(GIUINTSTATH, mask);
}
Expand Down Expand Up @@ -617,10 +597,11 @@ static const struct file_operations gpio_fops = {
static int __devinit giu_probe(struct platform_device *dev)
{
unsigned long start, size, flags = 0;
unsigned int nr_pins = 0;
unsigned int nr_pins = 0, trigger, i, pin;
struct resource *res1, *res2 = NULL;
void *base;
int retval, i;
struct irq_chip *chip;
int retval;

switch (current_cpu_data.cputype) {
case CPU_VR4111:
Expand Down Expand Up @@ -688,11 +669,20 @@ static int __devinit giu_probe(struct platform_device *dev)
giu_write(GIUINTENL, 0);
giu_write(GIUINTENH, 0);

trigger = giu_read(GIUINTTYPH) << 16;
trigger |= giu_read(GIUINTTYPL);
for (i = GIU_IRQ_BASE; i <= GIU_IRQ_LAST; i++) {
if (i < GIU_IRQ(GIUINT_HIGH_OFFSET))
irq_desc[i].chip = &giuint_low_irq_type;
pin = GPIO_PIN_OF_IRQ(i);
if (pin < GIUINT_HIGH_OFFSET)
chip = &giuint_low_irq_chip;
else
irq_desc[i].chip = &giuint_high_irq_type;
chip = &giuint_high_irq_chip;

if (trigger & (1 << pin))
set_irq_chip_and_handler(i, chip, handle_edge_irq);
else
set_irq_chip_and_handler(i, chip, handle_level_irq);

}

return cascade_irq(GIUINT_IRQ, giu_get_irq);
Expand Down

0 comments on commit 364ca8a

Please sign in to comment.