diff options
Diffstat (limited to 'arch/mips/sgi-ip22/ip22-eisa.c')
| -rw-r--r-- | arch/mips/sgi-ip22/ip22-eisa.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/arch/mips/sgi-ip22/ip22-eisa.c b/arch/mips/sgi-ip22/ip22-eisa.c index da44ccb2082..a0a79222ce0 100644 --- a/arch/mips/sgi-ip22/ip22-eisa.c +++ b/arch/mips/sgi-ip22/ip22-eisa.c @@ -2,7 +2,7 @@ * Basic EISA bus support for the SGI Indigo-2. * * (C) 2002 Pascal Dameme <netinet@freesurf.fr> - * and Marc Zyngier <mzyngier@freesurf.fr> + * and Marc Zyngier <mzyngier@freesurf.fr> * * This code is released under both the GPL version 2 and BSD * licenses. Either license may be used. @@ -40,13 +40,13 @@ /* I2 has four EISA slots. */ #define IP22_EISA_MAX_SLOTS 4 -#define EISA_MAX_IRQ 16 +#define EISA_MAX_IRQ 16 -#define EIU_MODE_REG 0x0001ffc0 -#define EIU_STAT_REG 0x0001ffc4 -#define EIU_PREMPT_REG 0x0001ffc8 -#define EIU_QUIET_REG 0x0001ffcc -#define EIU_INTRPT_ACK 0x00010004 +#define EIU_MODE_REG 0x0001ffc0 +#define EIU_STAT_REG 0x0001ffc4 +#define EIU_PREMPT_REG 0x0001ffc8 +#define EIU_QUIET_REG 0x0001ffcc +#define EIU_INTRPT_ACK 0x00010004 static char __init *decode_eisa_sig(unsigned long addr) { @@ -73,12 +73,10 @@ static char __init *decode_eisa_sig(unsigned long addr) static irqreturn_t ip22_eisa_intr(int irq, void *dev_id) { - u8 eisa_irq; - u8 dma1, dma2; + u8 eisa_irq = inb(EIU_INTRPT_ACK); - eisa_irq = inb(EIU_INTRPT_ACK); - dma1 = inb(EISA_DMA1_STATUS); - dma2 = inb(EISA_DMA2_STATUS); + inb(EISA_DMA1_STATUS); + inb(EISA_DMA2_STATUS); if (eisa_irq < EISA_MAX_IRQ) { do_IRQ(eisa_irq); |