sh: Kill off dead boards.

[pandora-kernel.git] / arch / sh / boards / adx / irq_maskreg.c

diff --git a/arch/sh/boards/adx/irq_maskreg.c b/arch/sh/boards/adx/irq_maskreg.c
deleted file mode 100644 (file)
index 4b2abe5..0000000
--- a/arch/sh/boards/adx/irq_maskreg.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * linux/arch/sh/kernel/irq_maskreg.c
- *
- * Copyright (C) 2001 A&D Co., Ltd. <http://www.aandd.co.jp>
- *
- * This file may be copied or modified under the terms of the GNU
- * General Public License.  See linux/COPYING for more information.
- *
- * Interrupt handling for Simple external interrupt mask register
- *
- * This is for the machine which have single 16 bit register
- * for masking external IRQ individually.
- * Each bit of the register is for masking each interrupt.  
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/irq.h>
-
-#include <asm/system.h>
-#include <asm/io.h>
-#include <asm/machvec.h>
-
-/* address of external interrupt mask register
- * address must be set prior to use these (maybe in init_XXX_irq())
- * XXX : is it better to use .config than specifying it in code? */
-unsigned short *irq_mask_register = 0;
-
-/* forward declaration */
-static unsigned int startup_maskreg_irq(unsigned int irq);
-static void shutdown_maskreg_irq(unsigned int irq);
-static void enable_maskreg_irq(unsigned int irq);
-static void disable_maskreg_irq(unsigned int irq);
-static void mask_and_ack_maskreg(unsigned int);
-static void end_maskreg_irq(unsigned int irq);
-
-/* hw_interrupt_type */
-static struct hw_interrupt_type maskreg_irq_type = {
-       .typename = " Mask Register",
-       .startup = startup_maskreg_irq,
-       .shutdown = shutdown_maskreg_irq,
-       .enable = enable_maskreg_irq,
-       .disable = disable_maskreg_irq,
-       .ack = mask_and_ack_maskreg,
-       .end = end_maskreg_irq
-};
-
-/* actual implementatin */
-static unsigned int startup_maskreg_irq(unsigned int irq)
-{ 
-       enable_maskreg_irq(irq);
-       return 0; /* never anything pending */
-}
-
-static void shutdown_maskreg_irq(unsigned int irq)
-{
-       disable_maskreg_irq(irq);
-}
-
-static void disable_maskreg_irq(unsigned int irq)
-{
-       if (irq_mask_register) {
-               unsigned long flags;
-               unsigned short val, mask = 0x01 << irq;
-
-               /* Set "irq"th bit */
-               local_irq_save(flags);
-               val = ctrl_inw((unsigned long)irq_mask_register);
-               val |= mask;
-               ctrl_outw(val, (unsigned long)irq_mask_register);
-               local_irq_restore(flags);
-       }
-}
-
-static void enable_maskreg_irq(unsigned int irq)
-{
-       if (irq_mask_register) {
-               unsigned long flags;
-               unsigned short val, mask = ~(0x01 << irq);
-
-               /* Clear "irq"th bit */
-               local_irq_save(flags);
-               val = ctrl_inw((unsigned long)irq_mask_register);
-               val &= mask;
-               ctrl_outw(val, (unsigned long)irq_mask_register);
-               local_irq_restore(flags);
-       }
-}
-
-static void mask_and_ack_maskreg(unsigned int irq)
-{
-       disable_maskreg_irq(irq);
-}
-
-static void end_maskreg_irq(unsigned int irq)
-{
-       if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-               enable_maskreg_irq(irq);
-}
-
-void make_maskreg_irq(unsigned int irq)
-{
-       disable_irq_nosync(irq);
-       irq_desc[irq].chip = &maskreg_irq_type;
-       disable_maskreg_irq(irq);
-}