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authorMagnus Damm <damm@igel.co.jp>2007-06-15 18:56:19 +0900
committerPaul Mundt <lethal@linux-sh.org>2007-06-15 18:56:19 +0900
commit68abdbbb03476a60d932eeba0035dd5069afec38 (patch)
treede3854f76d6d9aec121c432a3cd276bb756003c9 /arch/sh/boards/se/7722
parent50f63f2518ee68bc132d357d2b6fdb7f60ef79e0 (diff)
sh: rework ipr code
This patch reworks the ipr code by grouping the offset array together with the ipr_data structure in a new data structure called ipr_desc. This new structure also contains the name of the controller in struct irq_chip. The idea behind putting struct irq_chip in there is that we can use offsetof() to locate the base addresses in the irq_chip callbacks. This strategy has much in common with the recently merged intc2 code. One logic change has been made - the original ipr code enabled the interrupts by default but with this patch they are all disabled by default. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/boards/se/7722')
-rw-r--r--arch/sh/boards/se/7722/irq.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/arch/sh/boards/se/7722/irq.c b/arch/sh/boards/se/7722/irq.c
index 099e5deb77f..26cff0efda4 100644
--- a/arch/sh/boards/se/7722/irq.c
+++ b/arch/sh/boards/se/7722/irq.c
@@ -19,15 +19,24 @@
#define INTC_INTMSK0 0xFFD00044
#define INTC_INTMSKCLR0 0xFFD00064
+struct se7722_data {
+ unsigned char irq;
+ unsigned char ipr_idx;
+ unsigned char shift;
+ unsigned short priority;
+ unsigned long addr;
+};
+
+
static void disable_se7722_irq(unsigned int irq)
{
- struct ipr_data *p = get_irq_chip_data(irq);
+ struct se7722_data *p = get_irq_chip_data(irq);
ctrl_outw( ctrl_inw( p->addr ) | p->priority , p->addr );
}
static void enable_se7722_irq(unsigned int irq)
{
- struct ipr_data *p = get_irq_chip_data(irq);
+ struct se7722_data *p = get_irq_chip_data(irq);
ctrl_outw( ctrl_inw( p->addr ) & ~p->priority , p->addr );
}
@@ -38,7 +47,7 @@ static struct irq_chip se7722_irq_chip __read_mostly = {
.mask_ack = disable_se7722_irq,
};
-static struct ipr_data ipr_irq_table[] = {
+static struct se7722_data ipr_irq_table[] = {
/* irq ,idx,sft, priority , addr */
{ MRSHPC_IRQ0 , 0 , 0 , MRSHPC_BIT0 , IRQ01_MASK } ,
{ MRSHPC_IRQ1 , 0 , 0 , MRSHPC_BIT1 , IRQ01_MASK } ,