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Just some simple cleanups to address whitespace issues and
other issues found w/ checkpatch.
Change-Id: I181444505627894b8f3bbf59192703b0f65736ee
Signed-off-by: John Stultz <john.stultz@linaro.org>
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Add ion_heap_pages_zero for ion heaps to use to zero pages
during initialization or allocation, when a struct ion_buffer
may not be available. Use it from the chunk heap and carveout
heaps.
Change-Id: Ic6c921943a8820cf9896da5164f2d9794d0fe91f
Signed-off-by: Colin Cross <ccross@android.com>
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Now that ion_vm_fault doesn't need a struct page with a nonzero
refcount, there is no need allocate heap memory for cached pages using
split_page. Remove the ion_heap_alloc_pages and ion_heap_free_pages
helpers in favor of direct calls to alloc_pages and __free_pages,
and remove the special handling in the system heap.
Change-Id: I5966a798f48df2d56642e662a69c1495944f6509
Signed-off-by: Colin Cross <ccross@android.com>
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__dma_page_cpu_to_dev is a private ARM api that is not available
on 3.10 and was never available on other architectures. We can
get the same behavior by calling dma_sync_sg_for_device with a
scatterlist containing a single page. It's still not quite a
kosher use of the dma apis, we still conflate physical addresses
with bus addresses, but it should at least compile on all
platforms, and work on any platform that doesn't have a physical
to bus address translation.
Change-Id: I8451c2dae4bf85841015c016640684ac28430a5a
Signed-off-by: Colin Cross <ccross@android.com>
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Move ion from drivers/gpu/ion to drivers/android/staging/ion.
Change-Id: Id6e996aa3954cbb8e1a8abc9578a56204f5eb211
Signed-off-by: Colin Cross <ccross@android.com>
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