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m32r: Convert usrv platform irq handling
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Convert the irq chips to the new functions and use proper flow
handlers. handle_level_irq is appropriate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>
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Thomas Gleixner committed Jan 21, 2011
1 parent 9b141fa commit 7a0abc7
Showing 1 changed file with 40 additions and 48 deletions.
88 changes: 40 additions & 48 deletions arch/m32r/platforms/usrv/setup.c
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Original file line number Diff line number Diff line change
Expand Up @@ -37,39 +37,30 @@ static void enable_mappi_irq(unsigned int irq)
outl(data, port);
}

static void mask_and_ack_mappi(unsigned int irq)
static void mask_mappi(struct irq_data *data)
{
disable_mappi_irq(irq);
disable_mappi_irq(data->irq);
}

static void end_mappi_irq(unsigned int irq)
static void unmask_mappi(struct irq_data *data)
{
enable_mappi_irq(irq);
enable_mappi_irq(data->irq);
}

static unsigned int startup_mappi_irq(unsigned int irq)
{
enable_mappi_irq(irq);
return 0;
}

static void shutdown_mappi_irq(unsigned int irq)
static void shutdown_mappi(struct irq_data *data)
{
unsigned long port;

port = irq2port(irq);
port = irq2port(data->irq);
outl(M32R_ICUCR_ILEVEL7, port);
}

static struct irq_chip mappi_irq_type =
{
.name = "M32700-IRQ",
.startup = startup_mappi_irq,
.shutdown = shutdown_mappi_irq,
.enable = enable_mappi_irq,
.disable = disable_mappi_irq,
.ack = mask_and_ack_mappi,
.end = end_mappi_irq
.name = "M32700-IRQ",
.irq_shutdown = shutdown_mappi,
.irq_mask = mask_mappi,
.irq_unmask = unmask_mappi,
};

/*
Expand Down Expand Up @@ -107,42 +98,33 @@ static void enable_m32700ut_pld_irq(unsigned int irq)
outw(data, port);
}

static void mask_and_ack_m32700ut_pld(unsigned int irq)
static void mask_m32700ut_pld(struct irq_data *data)
{
disable_m32700ut_pld_irq(irq);
disable_m32700ut_pld_irq(data->irq);
}

static void end_m32700ut_pld_irq(unsigned int irq)
static void unmask_m32700ut_pld(struct irq_data *data)
{
enable_m32700ut_pld_irq(irq);
end_mappi_irq(M32R_IRQ_INT1);
}

static unsigned int startup_m32700ut_pld_irq(unsigned int irq)
{
enable_m32700ut_pld_irq(irq);
return 0;
enable_m32700ut_pld_irq(data->irq);
enable_mappi_irq(M32R_IRQ_INT1);
}

static void shutdown_m32700ut_pld_irq(unsigned int irq)
static void shutdown_m32700ut_pld(struct irq_data *data)
{
unsigned long port;
unsigned int pldirq;

pldirq = irq2pldirq(irq);
pldirq = irq2pldirq(data->irq);
port = pldirq2port(pldirq);
outw(PLD_ICUCR_ILEVEL7, port);
}

static struct irq_chip m32700ut_pld_irq_type =
{
.name = "USRV-PLD-IRQ",
.startup = startup_m32700ut_pld_irq,
.shutdown = shutdown_m32700ut_pld_irq,
.enable = enable_m32700ut_pld_irq,
.disable = disable_m32700ut_pld_irq,
.ack = mask_and_ack_m32700ut_pld,
.end = end_m32700ut_pld_irq
.name = "USRV-PLD-IRQ",
.irq_shutdown = shutdown_m32700ut_pld,
.irq_mask = mask_m32700ut_pld,
.irq_unmask = unmask_m32700ut_pld,
};

void __init init_IRQ(void)
Expand All @@ -156,57 +138,67 @@ void __init init_IRQ(void)
once++;

/* MFT2 : system timer */
set_irq_chip(M32R_IRQ_MFT2, &mappi_irq_type);
set_irq_chip_and_handler(M32R_IRQ_MFT2, &mappi_irq_type,
handle_level_irq);
icu_data[M32R_IRQ_MFT2].icucr = M32R_ICUCR_IEN;
disable_mappi_irq(M32R_IRQ_MFT2);

#if defined(CONFIG_SERIAL_M32R_SIO)
/* SIO0_R : uart receive data */
set_irq_chip(M32R_IRQ_SIO0_R, &mappi_irq_type);
set_irq_chip_and_handler(M32R_IRQ_SIO0_R, &mappi_irq_type,
handle_level_irq);
icu_data[M32R_IRQ_SIO0_R].icucr = 0;
disable_mappi_irq(M32R_IRQ_SIO0_R);

/* SIO0_S : uart send data */
set_irq_chip(M32R_IRQ_SIO0_S, &mappi_irq_type);
set_irq_chip_and_handler(M32R_IRQ_SIO0_S, &mappi_irq_type,
handle_level_irq);
icu_data[M32R_IRQ_SIO0_S].icucr = 0;
disable_mappi_irq(M32R_IRQ_SIO0_S);

/* SIO1_R : uart receive data */
set_irq_chip(M32R_IRQ_SIO1_R, &mappi_irq_type);
set_irq_chip_and_handler(M32R_IRQ_SIO1_R, &mappi_irq_type,
handle_level_irq);
icu_data[M32R_IRQ_SIO1_R].icucr = 0;
disable_mappi_irq(M32R_IRQ_SIO1_R);

/* SIO1_S : uart send data */
set_irq_chip(M32R_IRQ_SIO1_S, &mappi_irq_type);
set_irq_chip_and_handler(M32R_IRQ_SIO1_S, &mappi_irq_type,
handle_level_irq);
icu_data[M32R_IRQ_SIO1_S].icucr = 0;
disable_mappi_irq(M32R_IRQ_SIO1_S);
#endif /* CONFIG_SERIAL_M32R_SIO */

/* INT#67-#71: CFC#0 IREQ on PLD */
for (i = 0 ; i < CONFIG_M32R_CFC_NUM ; i++ ) {
set_irq_chip(PLD_IRQ_CF0 + i, &m32700ut_pld_irq_type);
set_irq_chip_and_handler(PLD_IRQ_CF0 + i,
&m32700ut_pld_irq_type,
handle_level_irq);
pld_icu_data[irq2pldirq(PLD_IRQ_CF0 + i)].icucr
= PLD_ICUCR_ISMOD01; /* 'L' level sense */
disable_m32700ut_pld_irq(PLD_IRQ_CF0 + i);
}

#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
/* INT#76: 16552D#0 IREQ on PLD */
set_irq_chip(PLD_IRQ_UART0, &m32700ut_pld_irq_type);
set_irq_chip_and_handler(PLD_IRQ_UART0, &m32700ut_pld_irq_type,
handle_level_irq);
pld_icu_data[irq2pldirq(PLD_IRQ_UART0)].icucr
= PLD_ICUCR_ISMOD03; /* 'H' level sense */
disable_m32700ut_pld_irq(PLD_IRQ_UART0);

/* INT#77: 16552D#1 IREQ on PLD */
set_irq_chip(PLD_IRQ_UART1, &m32700ut_pld_irq_type);
set_irq_chip_and_handler(PLD_IRQ_UART1, &m32700ut_pld_irq_type,
handle_level_irq);
pld_icu_data[irq2pldirq(PLD_IRQ_UART1)].icucr
= PLD_ICUCR_ISMOD03; /* 'H' level sense */
disable_m32700ut_pld_irq(PLD_IRQ_UART1);
#endif /* CONFIG_SERIAL_8250 || CONFIG_SERIAL_8250_MODULE */

#if defined(CONFIG_IDC_AK4524) || defined(CONFIG_IDC_AK4524_MODULE)
/* INT#80: AK4524 IREQ on PLD */
set_irq_chip(PLD_IRQ_SNDINT, &m32700ut_pld_irq_type);
set_irq_chip_and_handler(PLD_IRQ_SNDINT, &m32700ut_pld_irq_type,
handle_level_irq);
pld_icu_data[irq2pldirq(PLD_IRQ_SNDINT)].icucr
= PLD_ICUCR_ISMOD01; /* 'L' level sense */
disable_m32700ut_pld_irq(PLD_IRQ_SNDINT);
Expand Down

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