Skip to content

Commit

Permalink
sh: mach-systemh: irq_data conversion.
Browse files Browse the repository at this point in the history
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
  • Loading branch information
Paul Mundt committed Oct 27, 2010
1 parent 949bf16 commit 5f01038
Showing 1 changed file with 21 additions and 36 deletions.
57 changes: 21 additions & 36 deletions arch/sh/boards/mach-systemh/irq.c
Original file line number Diff line number Diff line change
Expand Up @@ -23,54 +23,39 @@
static unsigned long *systemh_irq_mask_register = (unsigned long *)0xB3F10004;
static unsigned long *systemh_irq_request_register = (unsigned long *)0xB3F10000;

/* forward declaration */
static void enable_systemh_irq(unsigned int irq);
static void disable_systemh_irq(unsigned int irq);
static void mask_and_ack_systemh(unsigned int);

static struct irq_chip systemh_irq_type = {
.name = " SystemH Register",
.unmask = enable_systemh_irq,
.mask = disable_systemh_irq,
.ack = mask_and_ack_systemh,
};

static void disable_systemh_irq(unsigned int irq)
static void disable_systemh_irq(struct irq_data *data)
{
if (systemh_irq_mask_register) {
unsigned long val, mask = 0x01 << 1;
unsigned long val, mask = 0x01 << 1;

/* Clear the "irq"th bit in the mask and set it in the request */
val = __raw_readl((unsigned long)systemh_irq_mask_register);
val &= ~mask;
__raw_writel(val, (unsigned long)systemh_irq_mask_register);
/* Clear the "irq"th bit in the mask and set it in the request */
val = __raw_readl((unsigned long)systemh_irq_mask_register);
val &= ~mask;
__raw_writel(val, (unsigned long)systemh_irq_mask_register);

val = __raw_readl((unsigned long)systemh_irq_request_register);
val |= mask;
__raw_writel(val, (unsigned long)systemh_irq_request_register);
}
val = __raw_readl((unsigned long)systemh_irq_request_register);
val |= mask;
__raw_writel(val, (unsigned long)systemh_irq_request_register);
}

static void enable_systemh_irq(unsigned int irq)
static void enable_systemh_irq(struct irq_data *data)
{
if (systemh_irq_mask_register) {
unsigned long val, mask = 0x01 << 1;
unsigned long val, mask = 0x01 << 1;

/* Set "irq"th bit in the mask register */
val = __raw_readl((unsigned long)systemh_irq_mask_register);
val |= mask;
__raw_writel(val, (unsigned long)systemh_irq_mask_register);
}
/* Set "irq"th bit in the mask register */
val = __raw_readl((unsigned long)systemh_irq_mask_register);
val |= mask;
__raw_writel(val, (unsigned long)systemh_irq_mask_register);
}

static void mask_and_ack_systemh(unsigned int irq)
{
disable_systemh_irq(irq);
}
static struct irq_chip systemh_irq_type = {
.name = "SystemH Register",
.irq_unmask = enable_systemh_irq,
.irq_mask = disable_systemh_irq,
};

void make_systemh_irq(unsigned int irq)
{
disable_irq_nosync(irq);
set_irq_chip_and_handler(irq, &systemh_irq_type, handle_level_irq);
disable_systemh_irq(irq);
disable_systemh_irq(irq_get_irq_data(irq));
}

0 comments on commit 5f01038

Please sign in to comment.