x86-64: update nommu to sg helpers (b922f53b) · Commits · e / devices / android_kernel_oneplus_sm8150

arch/x86/kernel/pci-nommu_64.c

+3 −2

Original line number	Original line	Diff line number	Diff line
	@@ -5,6 +5,7 @@
	#include <linux/pci.h>		#include <linux/pci.h>
	#include <linux/string.h>		#include <linux/string.h>
	#include <linux/dma-mapping.h>		#include <linux/dma-mapping.h>
			#include <linux/scatterlist.h>

	#include <asm/iommu.h>		#include <asm/iommu.h>
	#include <asm/processor.h>		#include <asm/processor.h>
	@@ -57,10 +58,10 @@ static void nommu_unmap_single(struct device *dev, dma_addr_t addr,size_t size,
	static int nommu_map_sg(struct device hwdev, struct scatterlist sg,		static int nommu_map_sg(struct device hwdev, struct scatterlist sg,
	int nents, int direction)		int nents, int direction)
	{		{
			struct scatterlist *s;
	int i;		int i;

	for (i = 0; i < nents; i++ ) {		for_each_sg(sg, s, nents, i) {
	struct scatterlist *s = &sg[i];
	BUG_ON(!s->page);		BUG_ON(!s->page);
	s->dma_address = virt_to_bus(page_address(s->page) +s->offset);		s->dma_address = virt_to_bus(page_address(s->page) +s->offset);
	if (!check_addr("map_sg", hwdev, s->dma_address, s->length))		if (!check_addr("map_sg", hwdev, s->dma_address, s->length))