4.4-stable review patch. If anyone has any objections, please let me know.
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From: Meelis Roos mroos@linux.ee
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: Meelis Roos mroos@linux.ee Signed-off-by: Matt Turner mattst88@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- arch/alpha/include/asm/irq.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
--- a/arch/alpha/include/asm/irq.h +++ b/arch/alpha/include/asm/irq.h @@ -55,15 +55,15 @@
#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)