Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (137 commits)
  sh: include empty zero page in romImage
  sh: Make associative cache writes fatal on all SH-4A parts.
  sh: Drop associative writes for SH-4 cache flushes.
  sh: Partial revert of copy/clear_user_highpage() optimizations.
  sh: Add default uImage rule for se7724, ap325rxa, and migor.
  sh: allow runtime pm without suspend/resume callbacks
  sh: mach-ecovec24: Remove un-defined settings for VPU
  sh: mach-ecovec24: LCDC drive ability become high
  sh: fix sh7724 VEU3F resource size
  serial: sh-sci: Fix too early port disabling.
  sh: pfc: pr_info() -> pr_debug() cleanups.
  sh: pfc: Convert from ctrl_xxx() to __raw_xxx() I/O routines.
  sh: Improve kfr2r09 serial port setup code
  sh: Break out SuperH PFC code
  sh: Move KEYSC header file
  sh: convert /proc/cpu/aligmnent, /proc/cpu/kernel_alignment to seq_file
  sh: Add CPG save/restore code for sh7724 R-standby
  sh: Add SDHI power control support to Ecovec
  mfd: Add power control platform data to SDHI driver
  sh: mach-ecovec24: modify address map
  ...

1 files changed, 19 insertions, 13 deletions

diff --git a/arch/sh/boards/mach-se/7722/irq.c b/arch/sh/boards/mach-se/7722/irq.c
index 02d21a3e2a8..4eb31acfafe 100644
--- a/arch/sh/boards/mach-se/7722/irq.c
+++ b/arch/sh/boards/mach-se/7722/irq.c
@@ -16,15 +16,17 @@
 #include <asm/io.h>
 #include <mach-se/mach/se7722.h>
 
+unsigned int se7722_fpga_irq[SE7722_FPGA_IRQ_NR] = { 0, };
+
 static void disable_se7722_irq(unsigned int irq)
 {
-	unsigned int bit = irq - SE7722_FPGA_IRQ_BASE;
+	unsigned int bit = (unsigned int)get_irq_chip_data(irq);
 	ctrl_outw(ctrl_inw(IRQ01_MASK) | 1 << bit, IRQ01_MASK);
 }
 
 static void enable_se7722_irq(unsigned int irq)
 {
-	unsigned int bit = irq - SE7722_FPGA_IRQ_BASE;
+	unsigned int bit = (unsigned int)get_irq_chip_data(irq);
 	ctrl_outw(ctrl_inw(IRQ01_MASK) & ~(1 << bit), IRQ01_MASK);
 }
 
@@ -38,18 +40,15 @@ static struct irq_chip se7722_irq_chip __read_mostly = {
 static void se7722_irq_demux(unsigned int irq, struct irq_desc *desc)
 {
 	unsigned short intv = ctrl_inw(IRQ01_STS);
-	struct irq_desc *ext_desc;
-	unsigned int ext_irq = SE7722_FPGA_IRQ_BASE;
+	unsigned int ext_irq = 0;
 
 	intv &= (1 << SE7722_FPGA_IRQ_NR) - 1;
 
-	while (intv) {
-		if (intv & 1) {
-			ext_desc = irq_desc + ext_irq;
-			handle_level_irq(ext_irq, ext_desc);
-		}
-		intv >>= 1;
-		ext_irq++;
+	for (; intv; intv >>= 1, ext_irq++) {
+		if (!(intv & 1))
+			continue;
+
+		generic_handle_irq(se7722_fpga_irq[ext_irq]);
 	}
 }
 
@@ -63,11 +62,18 @@ void __init init_se7722_IRQ(void)
 	ctrl_outw(0, IRQ01_MASK);       /* disable all irqs */
 	ctrl_outw(0x2000, 0xb03fffec);  /* mrshpc irq enable */
 
-	for (i = 0; i < SE7722_FPGA_IRQ_NR; i++)
-		set_irq_chip_and_handler_name(SE7722_FPGA_IRQ_BASE + i,
+	for (i = 0; i < SE7722_FPGA_IRQ_NR; i++) {
+		se7722_fpga_irq[i] = create_irq();
+		if (se7722_fpga_irq[i] < 0)
+			return;
+
+		set_irq_chip_and_handler_name(se7722_fpga_irq[i],
 					      &se7722_irq_chip,
 					      handle_level_irq, "level");
 
+		set_irq_chip_data(se7722_fpga_irq[i], (void *)i);
+	}
+
 	set_irq_chained_handler(IRQ0_IRQ, se7722_irq_demux);
 	set_irq_type(IRQ0_IRQ, IRQ_TYPE_LEVEL_LOW);