• Meelis Roos's avatar
    alpha: Fix Eiger NR_IRQS to 128 · 5fc95186
    Meelis Roos authored
    commit bfc913682464f45bc4d6044084e370f9048de9d5 upstream.
    
    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: 's avatarMeelis Roos <mroos@linux.ee>
    Signed-off-by: 's avatarMatt Turner <mattst88@gmail.com>
    Signed-off-by: 's avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
    5fc95186
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