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alpha: Fix Eiger NR_IRQS to 128

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Eiger machine vector definition has nr_irqs 128, and working 2.6.26
boot shows SCSI getting IRQ-s 64 and 65. Current kernel boot fails
because Symbios SCSI fails to request IRQ-s and does not find the disks.
It has been broken at least since 3.18 - the earliest I could test with
my gcc-5.

The headers have moved around and possibly another order of defines has
worked in the past - but since 128 seems to be correct and used, fix
arch/alpha/include/asm/irq.h to have NR_IRQS=128 for Eiger.

This fixes 4.19-rc7 boot on my Force Flexor A264 (Eiger subarch).

Cc: stable@vger.kernel.org # v3.18+
Signed-off-by: Meelis Roos <mroos@linux.ee>
Signed-off-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Meelis Roos 2018-10-12 12:27:51 +03:00 committed by Matt Turner
parent 842fc0f5dc
commit bfc9136824
1 changed files with 3 additions and 3 deletions
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6
arch/alpha/include/asm/irq.h
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@ -56,15 +56,15 @@
#elif defined(CONFIG_ALPHA_DP264) || \
defined(CONFIG_ALPHA_LYNX) || \
defined(CONFIG_ALPHA_SHARK) || \
defined(CONFIG_ALPHA_EIGER)
defined(CONFIG_ALPHA_SHARK)
# define NR_IRQS 64
#elif defined(CONFIG_ALPHA_TITAN)
#define NR_IRQS 80
#elif defined(CONFIG_ALPHA_RAWHIDE) || \
defined(CONFIG_ALPHA_TAKARA)
defined(CONFIG_ALPHA_TAKARA) || \
defined(CONFIG_ALPHA_EIGER)
# define NR_IRQS 128
#elif defined(CONFIG_ALPHA_WILDFIRE)