From d847afe7d4966d35eb7a6fe6f196a0d7e5633f35 Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Fri, 8 Feb 2008 17:23:42 +0900 Subject: [PATCH] sh: remove maskreg irq code This patch removes the maskreg irq code since it is not in use anymore. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- arch/sh/Kconfig.cpu | 3 -- arch/sh/kernel/cpu/irq/Makefile | 1 - arch/sh/kernel/cpu/irq/maskreg.c | 93 -------------------------------- 3 files changed, 97 deletions(-) delete mode 100644 arch/sh/kernel/cpu/irq/maskreg.c diff --git a/arch/sh/Kconfig.cpu b/arch/sh/Kconfig.cpu index d850184d0694..1de526a0f5e8 100644 --- a/arch/sh/Kconfig.cpu +++ b/arch/sh/Kconfig.cpu @@ -87,9 +87,6 @@ config SH64_ID2815_WORKAROUND config CPU_HAS_INTEVT bool -config CPU_HAS_MASKREG_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 cc1836e47a5d..462a8f6dfee2 100644 --- a/arch/sh/kernel/cpu/irq/Makefile +++ b/arch/sh/kernel/cpu/irq/Makefile @@ -6,4 +6,3 @@ obj-y += intc.o obj-$(CONFIG_SUPERH32) += imask.o obj-$(CONFIG_CPU_SH5) += intc-sh5.o obj-$(CONFIG_CPU_HAS_IPR_IRQ) += ipr.o -obj-$(CONFIG_CPU_HAS_MASKREG_IRQ) += maskreg.o diff --git a/arch/sh/kernel/cpu/irq/maskreg.c b/arch/sh/kernel/cpu/irq/maskreg.c deleted file mode 100644 index 978992e367a5..000000000000 --- a/arch/sh/kernel/cpu/irq/maskreg.c +++ /dev/null @@ -1,93 +0,0 @@ -/* - * Interrupt handling for Simple external interrupt mask register - * - * Copyright (C) 2001 A&D Co., Ltd. - * - * 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. - * - * This file may be copied or modified under the terms of the GNU - * General Public License. See linux/COPYING for more information. - */ -#include -#include -#include -#include -#include - -/* address of external interrupt mask register */ -unsigned long irq_mask_register; - -/* 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 implementation */ -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) -{ - unsigned short val, mask = 0x01 << irq; - - BUG_ON(!irq_mask_register); - - /* Set "irq"th bit */ - val = ctrl_inw(irq_mask_register); - val |= mask; - ctrl_outw(val, irq_mask_register); -} - -static void enable_maskreg_irq(unsigned int irq) -{ - unsigned short val, mask = ~(0x01 << irq); - - BUG_ON(!irq_mask_register); - - /* Clear "irq"th bit */ - val = ctrl_inw(irq_mask_register); - val &= mask; - ctrl_outw(val, irq_mask_register); -} - -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].handler = &maskreg_irq_type; - disable_maskreg_irq(irq); -} -- 2.20.1