[PATCH] arm: Allow mounting root on omaps with CPU_V6 and CPU_V7

[Russell King - ARM Linux]

On Fri, Feb 19, 2010 at 10:03:32AM -0800, Tony Lindgren wrote:
> If so, then what have in arch/arm/plat-omap/iommu.c seems buggy:
> 
> static void flush_iopgd_range(u32 *first, u32 *last)
> {
> 	/* FIXME: L2 cache should be taken care of if it exists */
> 	do {
> 		asm("mcr	p15, 0, %0, c7, c10, 1 @ flush_pgd"
> 		    : : "r" (first));
> 		first += L1_CACHE_BYTES / sizeof(*first);
> 	} while (first <= last);
> }
> 
> It seems that this code should use the real cache line size instead to
> avoid every other line not to flush if ARM_L1_CACHE_SHIFT is set larger
> than it is.

Yes.