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authorMatt Fleming <mjf@gentoo.org>2008-12-14 07:02:24 -0500
committerPaul Mundt <lethal@linux-sh.org>2008-12-22 04:44:05 -0500
commitbe729fd8900f0026238539de46d867d232d1e913 (patch)
treeded93267eb157a5539db316412d3dc254294cc6d /arch/sh
parent180ae2037f5bc33b0597ddbb76d36b08a74a238a (diff)
sh: Convert Microdev boards from hw_interrupt_type to irq_chip
This is part of the SH move to irq_chip. Signed-off-by: Matt Fleming <mjf@gentoo.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/boards/mach-microdev/irq.c36
1 files changed, 7 insertions, 29 deletions
diff --git a/arch/sh/boards/mach-microdev/irq.c b/arch/sh/boards/mach-microdev/irq.c
index 702753cbd28f..b551963579c1 100644
--- a/arch/sh/boards/mach-microdev/irq.c
+++ b/arch/sh/boards/mach-microdev/irq.c
@@ -67,27 +67,13 @@ static const struct {
67 67
68static void enable_microdev_irq(unsigned int irq); 68static void enable_microdev_irq(unsigned int irq);
69static void disable_microdev_irq(unsigned int irq); 69static void disable_microdev_irq(unsigned int irq);
70
71 /* shutdown is same as "disable" */
72#define shutdown_microdev_irq disable_microdev_irq
73
74static void mask_and_ack_microdev(unsigned int); 70static void mask_and_ack_microdev(unsigned int);
75static void end_microdev_irq(unsigned int irq);
76
77static unsigned int startup_microdev_irq(unsigned int irq)
78{
79 enable_microdev_irq(irq);
80 return 0; /* never anything pending */
81}
82 71
83static struct hw_interrupt_type microdev_irq_type = { 72static struct irq_chip microdev_irq_type = {
84 .typename = "MicroDev-IRQ", 73 .name = "MicroDev-IRQ",
85 .startup = startup_microdev_irq, 74 .unmask = enable_microdev_irq,
86 .shutdown = shutdown_microdev_irq, 75 .mask = disable_microdev_irq,
87 .enable = enable_microdev_irq,
88 .disable = disable_microdev_irq,
89 .ack = mask_and_ack_microdev, 76 .ack = mask_and_ack_microdev,
90 .end = end_microdev_irq
91}; 77};
92 78
93static void disable_microdev_irq(unsigned int irq) 79static void disable_microdev_irq(unsigned int irq)
@@ -130,11 +116,11 @@ static void enable_microdev_irq(unsigned int irq)
130 ctrl_outl(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTENB_REG); 116 ctrl_outl(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTENB_REG);
131} 117}
132 118
133 /* This functions sets the desired irq handler to be a MicroDev type */ 119/* This function sets the desired irq handler to be a MicroDev type */
134static void __init make_microdev_irq(unsigned int irq) 120static void __init make_microdev_irq(unsigned int irq)
135{ 121{
136 disable_irq_nosync(irq); 122 disable_irq_nosync(irq);
137 irq_desc[irq].chip = &microdev_irq_type; 123 set_irq_chip_and_handler(irq, &microdev_irq_type, handle_level_irq);
138 disable_microdev_irq(irq); 124 disable_microdev_irq(irq);
139} 125}
140 126
@@ -143,17 +129,11 @@ static void mask_and_ack_microdev(unsigned int irq)
143 disable_microdev_irq(irq); 129 disable_microdev_irq(irq);
144} 130}
145 131
146static void end_microdev_irq(unsigned int irq)
147{
148 if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
149 enable_microdev_irq(irq);
150}
151
152extern void __init init_microdev_irq(void) 132extern void __init init_microdev_irq(void)
153{ 133{
154 int i; 134 int i;
155 135
156 /* disable interrupts on the FPGA INTC register */ 136 /* disable interrupts on the FPGA INTC register */
157 ctrl_outl(~0ul, MICRODEV_FPGA_INTDSB_REG); 137 ctrl_outl(~0ul, MICRODEV_FPGA_INTDSB_REG);
158 138
159 for (i = 0; i < NUM_EXTERNAL_IRQS; i++) 139 for (i = 0; i < NUM_EXTERNAL_IRQS; i++)
@@ -179,5 +159,3 @@ extern void microdev_print_fpga_intc_status(void)
179 printk("FPGA_INTPRI[3..0] = %08x:%08x:%08x:%08x\n", *intprid, *intpric, *intprib, *intpria); 159 printk("FPGA_INTPRI[3..0] = %08x:%08x:%08x:%08x\n", *intprid, *intpric, *intprib, *intpria);
180 printk("-------------------------------------------------------------------------------\n"); 160 printk("-------------------------------------------------------------------------------\n");
181} 161}
182
183