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ATA convert GSI to irq on ia64 

If an ATA drive uses legacy mode, ata driver will choose 14 and 15
as the fixed irq number. On ia64 platform, such numbers are GSI and
should be converted to irq vector.

Below patch against kernel 2.6.20 fixes it.

Signed-off-by: Zhang Yanmin <yanmin.zhang@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
hifive-unleashed-5.1
Zhang, Yanmin 2007-02-09 11:29:51 +08:00 committed by Jeff Garzik
parent 81afe89318
commit 9f271d576a
2 changed files with 13 additions and 0 deletions
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1
arch/ia64/Kconfig
View File

@ -22,6 +22,7 @@ config IA64
config 64BIT
bool
select ATA_NONSTANDARD if ATA
default y
config ZONE_DMA

12
include/asm-ia64/libata-portmap.h 100644
View File

@ -0,0 +1,12 @@
#ifndef __ASM_IA64_LIBATA_PORTMAP_H
#define __ASM_IA64_LIBATA_PORTMAP_H
#define ATA_PRIMARY_CMD 0x1F0
#define ATA_PRIMARY_CTL 0x3F6
#define ATA_PRIMARY_IRQ(dev) isa_irq_to_vector(14)
#define ATA_SECONDARY_CMD 0x170
#define ATA_SECONDARY_CTL 0x376
#define ATA_SECONDARY_IRQ(dev) isa_irq_to_vector(15)
#endif