On 8/16/2010 11:32 AM, Konrad Rzeszutek Wilk wrote:
I did a very brief look.
+ dmac_flush_range(fl_table, fl_table + SZ_16K);
+
+ for (i = 0; i< 4096; i++)
Can you use a #define for the 4096? Will that value ever change?
I suppose a #define can be used, but this is a HW-specific number that
will never ever change.
+ if ((fl_table[i]& 0x03) == FL_TYPE_TABLE) {
+ void *sl_table = __va(fl_table[i]& 0xFFFFFC00);
Does it make sense to define say:
#define MASK_XX (x) x& 0xFFFFFC00
and
#define MASK_XY (x) x& 0xFFFF0000
and use those instead of these hard-coded values?
I guess so.. again, HW specific.
+ priv->pgtable = (unsigned long *)__get_free_pages(GFP_KERNEL, 2);
Ugh. Can you use get_order(SZ_16K) instead?
+ /* Invalidate context TLB */
+ SET_CTX_TLBIALL(base, ctx, 0);
+ SET_V2PPR_VA(base, ctx, va>> 12);
Hmm, PAGE_SHIFT can't be used? Or some other #define?
I guess I can use the IOMMU PA shift. PAGE_SHIFT is not appropriate here
because that is MMU-specific.
I can put out a v5 early next week.
Thanks
Steve
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