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    igb: fix legacy mode irq issue · 6cb5e577
    Andy Gospodarek 提交于
    I booted an igb kernel with the option pci=nomsi and instantly noticed
    that interrupts no longer worked on my igb device.  I took a look at the
    interrupt initialization and quickly discovered a comment stating:
    
    "DO NOT USE EIAME or IAME in legacy mode"
    
    It seemed a bit odd that bits to enable IAM were being set in legacy
    interrupt mode, so I dropped out the following parts and interrupts
    began working fine again.
    
    [Updated code flow and a nitpick spelling error --Auke]
    Signed-off-by: NAndy Gospodarek <andy@greyhouse.net>
    Signed-off-by: NAuke Kok <auke-jan.h.kok@intel.com>
    Signed-off-by: NJeff Garzik <jeff@garzik.org>
    6cb5e577
igb_main.c 110.8 KB