Commit 88ae006e authored Sep 18, 2018 by Liam Mark

dma-coherent: limit alignment of dma-coherent allocations



Limit alignment of dma-coherent allocations to CONFIG_CMA_ALIGNMENT so
that alignment restrictions are the same as they are for CMA allocations.

Change-Id: I95ec8b62b7b8112f66e95e77cc24e7e0ba846e1d
Signed-off-by: Liam Mark <lmark@codeaurora.org>

parent b1a1a12b

drivers/base/dma-coherent.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -168,6 +168,9 @@ static void __dma_alloc_from_coherent(struct dma_coherent_mem mem,
		int pageno;
		void *ret;

		if (order > CONFIG_CMA_ALIGNMENT)
		order = CONFIG_CMA_ALIGNMENT;

		spin_lock_irqsave(&mem->spinlock, flags);

		if (unlikely(size > (mem->size << PAGE_SHIFT)))