X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fmips%2Fkernel%2Firq-mv6434x.c;h=3dd561832e4c91dbbc44041043924d6a51a64e6b;hb=18062a91d2ddc40e19fc674afeb7cad58cfa23ab;hp=39c94fd8d8bab5b6d2dac4f047ed9fcd58fb8ffd;hpb=937a801576f954bd030d7c4a5a94571710d87c0b;p=linux-2.6 diff --git a/arch/mips/kernel/irq-mv6434x.c b/arch/mips/kernel/irq-mv6434x.c index 39c94fd8d8..3dd561832e 100644 --- a/arch/mips/kernel/irq-mv6434x.c +++ b/arch/mips/kernel/irq-mv6434x.c @@ -1,7 +1,7 @@ /* * Copyright 2002 Momentum Computer * Author: mdharm@momenco.com - * Copyright (C) 2004 Ralf Baechle + * Copyright (C) 2004, 06 Ralf Baechle * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -15,7 +15,6 @@ #include #include -#include #include #include #include @@ -24,13 +23,13 @@ static unsigned int irq_base; static inline int ls1bit32(unsigned int x) { - int b = 31, s; + int b = 31, s; - s = 16; if (x << 16 == 0) s = 0; b -= s; x <<= s; - s = 8; if (x << 8 == 0) s = 0; b -= s; x <<= s; - s = 4; if (x << 4 == 0) s = 0; b -= s; x <<= s; - s = 2; if (x << 2 == 0) s = 0; b -= s; x <<= s; - s = 1; if (x << 1 == 0) s = 0; b -= s; + s = 16; if (x << 16 == 0) s = 0; b -= s; x <<= s; + s = 8; if (x << 8 == 0) s = 0; b -= s; x <<= s; + s = 4; if (x << 4 == 0) s = 0; b -= s; x <<= s; + s = 2; if (x << 2 == 0) s = 0; b -= s; x <<= s; + s = 1; if (x << 1 == 0) s = 0; b -= s; return b; } @@ -67,48 +66,6 @@ static inline void unmask_mv64340_irq(unsigned int irq) } } -/* - * Enables the IRQ on Marvell Chip - */ -static void enable_mv64340_irq(unsigned int irq) -{ - unmask_mv64340_irq(irq); -} - -/* - * Initialize the IRQ on Marvell Chip - */ -static unsigned int startup_mv64340_irq(unsigned int irq) -{ - unmask_mv64340_irq(irq); - return 0; -} - -/* - * Disables the IRQ on Marvell Chip - */ -static void disable_mv64340_irq(unsigned int irq) -{ - mask_mv64340_irq(irq); -} - -/* - * Masks and ACKs an IRQ - */ -static void mask_and_ack_mv64340_irq(unsigned int irq) -{ - mask_mv64340_irq(irq); -} - -/* - * End IRQ processing - */ -static void end_mv64340_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - unmask_mv64340_irq(irq); -} - /* * Interrupt handler for interrupts coming from the Marvell chip. * It could be built in ethernet ports etc... @@ -134,29 +91,21 @@ void ll_mv64340_irq(void) do_IRQ(ls1bit32(irq_src_high) + irq_base + 32); } -#define shutdown_mv64340_irq disable_mv64340_irq - struct irq_chip mv64340_irq_type = { - .typename = "MV-64340", - .startup = startup_mv64340_irq, - .shutdown = shutdown_mv64340_irq, - .enable = enable_mv64340_irq, - .disable = disable_mv64340_irq, - .ack = mask_and_ack_mv64340_irq, - .end = end_mv64340_irq, + .name = "MV-64340", + .ack = mask_mv64340_irq, + .mask = mask_mv64340_irq, + .mask_ack = mask_mv64340_irq, + .unmask = unmask_mv64340_irq, }; void __init mv64340_irq_init(unsigned int base) { int i; - /* Reset irq handlers pointers to NULL */ - for (i = base; i < base + 64; i++) { - irq_desc[i].status = IRQ_DISABLED; - irq_desc[i].action = 0; - irq_desc[i].depth = 2; - irq_desc[i].chip = &mv64340_irq_type; - } + for (i = base; i < base + 64; i++) + set_irq_chip_and_handler(i, &mv64340_irq_type, + handle_level_irq); irq_base = base; }