• Guenter Roeck's avatar
    nios2: Fix ioremap · e32ea127
    Guenter Roeck authored
    Commit 5ace77e0 ("nios2: remove __ioremap") removed the following code,
    with the argument that cacheflag is always 0 and the expression would
    therefore always be false.
    
    	if (IS_MAPPABLE_UNCACHEABLE(phys_addr) &&
    	    IS_MAPPABLE_UNCACHEABLE(last_addr) &&
    	    !(cacheflag & _PAGE_CACHED))
    		return (void __iomem *)(CONFIG_NIOS2_IO_REGION_BASE + phys_addr);
    
    This did not take the "!" in the expression into account. Result is that
    nios2 images no longer boot. Restoring the removed code fixes the problem.
    
    Fixes: 5ace77e0 ("nios2: remove __ioremap")
    Cc: Christoph Hellwig <hch@lst.de>
    Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
    Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
    Signed-off-by: default avatarLey Foon Tan <ley.foon.tan@intel.com>
    e32ea127
ioremap.c 4.39 KB