sh: remove intc2 code

There is no point in keeping around the now unused intc2 code.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

5 files changed, 0 insertions, 109 deletions

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 6553325fa437..617765d5c9ab 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -181,9 +181,6 @@ config CPU_HAS_MASKREG_IRQ
 config CPU_HAS_INTC_IRQ
         bool
 
-config CPU_HAS_INTC2_IRQ
-        bool
-
 config CPU_HAS_IPR_IRQ
         bool
 
diff --git a/arch/sh/kernel/cpu/irq/Makefile b/arch/sh/kernel/cpu/irq/Makefile
index 60bfc05cf354..8712ec5fc0ba 100644
--- a/arch/sh/kernel/cpu/irq/Makefile
+++ b/arch/sh/kernel/cpu/irq/Makefile
@@ -6,4 +6,3 @@ obj-y	+= imask.o
 obj-$(CONFIG_CPU_HAS_IPR_IRQ)           += ipr.o
 obj-$(CONFIG_CPU_HAS_MASKREG_IRQ)       += maskreg.o
 obj-$(CONFIG_CPU_HAS_INTC_IRQ)          += intc.o
-obj-$(CONFIG_CPU_HAS_INTC2_IRQ)         += intc2.o
diff --git a/arch/sh/kernel/cpu/irq/intc2.c b/arch/sh/kernel/cpu/irq/intc2.c
deleted file mode 100644
index cc5221390e09..000000000000
--- a/arch/sh/kernel/cpu/irq/intc2.c
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * Interrupt handling for INTC2-based IRQ.
- *
- * Copyright (C) 2001 David J. Mckay (david.mckay@st.com)
- * Copyright (C) 2005, 2006 Paul Mundt (lethal@linux-sh.org)
- *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.
- *
- * These are the "new Hitachi style" interrupts, as present on the
- * Hitachi 7751, the STM ST40 STB1, SH7760, and SH7780.
- */
-#include <linux/kernel.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <asm/smp.h>
-
-static inline struct intc2_desc *get_intc2_desc(unsigned int irq)
-{
-        struct irq_chip *chip = get_irq_chip(irq);
-        return (void *)((char *)chip - offsetof(struct intc2_desc, chip));
-}
-
-static void disable_intc2_irq(unsigned int irq)
-{
-        struct intc2_data *p = get_irq_chip_data(irq);
-        struct intc2_desc *d = get_intc2_desc(irq);
-
-        ctrl_outl(1 << p->msk_shift, d->msk_base + p->msk_offset +
-                                     (hard_smp_processor_id() * 4));
-}
-
-static void enable_intc2_irq(unsigned int irq)
-{
-        struct intc2_data *p = get_irq_chip_data(irq);
-        struct intc2_desc *d = get_intc2_desc(irq);
-
-        ctrl_outl(1 << p->msk_shift, d->mskclr_base + p->msk_offset +
-                                     (hard_smp_processor_id() * 4));
-}
-
-/*
- * Setup an INTC2 style interrupt.
- * NOTE: Unlike IPR interrupts, parameters are not shifted by this code,
- * allowing the use of the numbers straight out of the datasheet.
- * For example:
- *    PIO1 which is INTPRI00[19,16] and INTMSK00[13]
- * would be:               ^     ^             ^  ^
- *                         |     |             |  |
- *     { 84,               0,   16,            0, 13 },
- *
- * in the intc2_data table.
- */
-void register_intc2_controller(struct intc2_desc *desc)
-{
-        int i;
-
-        desc->chip.mask = disable_intc2_irq;
-        desc->chip.unmask = enable_intc2_irq;
-        desc->chip.mask_ack = disable_intc2_irq;
-
-        for (i = 0; i < desc->nr_irqs; i++) {
-                unsigned long ipr, flags;
-                struct intc2_data *p = desc->intc2_data + i;
-
-                disable_irq_nosync(p->irq);
-
-                if (desc->prio_base) {
-                        /* Set the priority level */
-                        local_irq_save(flags);
-
-                        ipr = ctrl_inl(desc->prio_base + p->ipr_offset);
-                        ipr &= ~(0xf << p->ipr_shift);
-                        ipr |= p->priority << p->ipr_shift;
-                        ctrl_outl(ipr, desc->prio_base + p->ipr_offset);
-
-                        local_irq_restore(flags);
-                }
-
-                set_irq_chip_and_handler_name(p->irq, &desc->chip,
-                                              handle_level_irq, "level");
-                set_irq_chip_data(p->irq, p);
-
-                disable_intc2_irq(p->irq);
-        }
-}
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index eca68da7c0ab..569292ca877a 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -31,7 +31,6 @@ config CPU_SH4AL_DSP
 config CPU_SUBTYPE_ST40
         bool
         select CPU_SH4
-        select CPU_HAS_INTC2_IRQ
 
 config CPU_SHX2
         bool
diff --git a/include/asm-sh/hw_irq.h b/include/asm-sh/hw_irq.h
index 9f55c2dc1b50..a4086ea313c7 100644
--- a/include/asm-sh/hw_irq.h
+++ b/include/asm-sh/hw_irq.h
@@ -6,24 +6,6 @@
 
 extern atomic_t irq_err_count;
 
-struct intc2_data {
-        unsigned short irq;
-        unsigned char ipr_offset, ipr_shift;
-        unsigned char msk_offset, msk_shift;
-        unsigned char priority;
-};
-
-struct intc2_desc {
-        unsigned long prio_base;
-        unsigned long msk_base;
-        unsigned long mskclr_base;
-        struct intc2_data *intc2_data;
-        unsigned int nr_irqs;
-        struct irq_chip chip;
-};
-
-void register_intc2_controller(struct intc2_desc *);
-
 struct ipr_data {
         unsigned char irq;
         unsigned char ipr_idx;          /* Index for the IPR registered */