if use ide_default_irq , then I guess the #if defined can be removed.
#define ATA_PRIMARY_IRQ(dev) isa_irq_to_vector(0x1F0)
On 2/8/07, Zhang, Yanmin <[email protected]> wrote:
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 <[email protected]>
---
diff -Nraup linux-2.6.20/include/asm-generic/libata-portmap.h linux-2.6.20_fix/include/asm-generic/libata-portmap.h
--- linux-2.6.20/include/asm-generic/libata-portmap.h 2007-02-08 15:13:44.000000000 +0800
+++ linux-2.6.20_fix/include/asm-generic/libata-portmap.h 2007-02-08 15:20:13.000000000 +0800
@@ -3,10 +3,20 @@
#define ATA_PRIMARY_CMD 0x1F0
#define ATA_PRIMARY_CTL 0x3F6
+#if defined(__ia64__)
+#define ATA_PRIMARY_IRQ(dev) isa_irq_to_vector(14)
+#else
#define ATA_PRIMARY_IRQ(dev) 14
+#endif
+
#define ATA_SECONDARY_CMD 0x170
#define ATA_SECONDARY_CTL 0x376
+#if defined(__ia64__)
+#define ATA_SECONDARY_IRQ(dev) isa_irq_to_vector(15)
+#else
#define ATA_SECONDARY_IRQ(dev) 15
+#endif
+
#endif
-
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