From 217f6710c275118af1008bb1447d244be52d2dc3 Mon Sep 17 00:00:00 2001 From: Finn Thain Date: Tue, 1 May 2007 22:32:58 +0200 Subject: m68k: Mac IRQ cleanup There are no slow IRQs on Macs since Roman Zippel's IRQ reorganisation that went into 2.6.16 and removed mac_irq_list[] and the do_mac_irq_list() dispatcher. (They were implemented in do_mac_irq_list() by lowering the IPL.) Hence there's no more use for mutual exclusion in the Mac interrupt dispatchers. Remove it. Signed-off-by: Finn Thain Signed-off-by: Geert Uytterhoeven Signed-off-by: Linus Torvalds --- arch/m68k/mac/via.c | 10 ---------- 1 file changed, 10 deletions(-) (limited to 'arch/m68k/mac/via.c') diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c index 83a3bb0c032..d5cac72eb3d 100644 --- a/arch/m68k/mac/via.c +++ b/arch/m68k/mac/via.c @@ -443,11 +443,6 @@ void __init via_nubus_init(void) /* * The generic VIA interrupt routines (shamelessly stolen from Alan Cox's * via6522.c :-), disable/pending masks added. - * - * The new interrupt architecture in macints.c takes care of a lot of the - * gruntwork for us, including tallying the interrupts and calling the - * handlers on the linked list. All we need to do here is basically generate - * the machspec interrupt number after clearing the interrupt. */ irqreturn_t via1_irq(int irq, void *dev_id) @@ -463,10 +458,8 @@ irqreturn_t via1_irq(int irq, void *dev_id) irq_bit = 1; do { if (events & irq_bit) { - via1[vIER] = irq_bit; via1[vIFR] = irq_bit; m68k_handle_int(irq_num); - via1[vIER] = irq_bit | 0x80; } ++irq_num; irq_bit <<= 1; @@ -502,11 +495,8 @@ irqreturn_t via2_irq(int irq, void *dev_id) irq_bit = 1; do { if (events & irq_bit) { - via2[gIER] = irq_bit; via2[gIFR] = irq_bit | rbv_clear; m68k_handle_int(irq_num); - if (irq_num != IRQ_MAC_NUBUS || nubus_disabled == 0) - via2[gIER] = irq_bit | 0x80; } ++irq_num; irq_bit <<= 1; -- cgit v1.2.3