Merge branch 'topic/ioat' into for-linus (3f809e84) · Commits · 戴 / test

drivers/dma/ioat/dma.c

+4 −7

Original line number	Diff line number	Diff line
		@@ -39,6 +39,7 @@
		#include "../dmaengine.h"

		static char *chanerr_str[] = {
		"DMA Transfer Source Address Error",
		"DMA Transfer Destination Address Error",
		"Next Descriptor Address Error",
		"Descriptor Error",
		@@ -66,7 +67,6 @@ static char *chanerr_str[] = {
		"Result Guard Tag verification Error",
		"Result Application Tag verification Error",
		"Result Reference Tag verification Error",
		NULL
		};

		static void ioat_eh(struct ioatdma_chan *ioat_chan);
		@@ -75,13 +75,10 @@ static void ioat_print_chanerrs(struct ioatdma_chan *ioat_chan, u32 chanerr)
		{
		int i;

		for (i = 0; i < 32; i++) {
		for (i = 0; i < ARRAY_SIZE(chanerr_str); i++) {
		if ((chanerr >> i) & 1) {
		if (chanerr_str[i]) {
		dev_err(to_dev(ioat_chan), "Err(%d): %s\n",
		i, chanerr_str[i]);
		} else
		break;
		}
		}
		}

drivers/dma/ioat/init.c

+14 −4

Original line number	Diff line number	Diff line
		@@ -340,11 +340,13 @@ static int ioat_dma_self_test(struct ioatdma_device *ioat_dma)
		dma_src = dma_map_single(dev, src, IOAT_TEST_SIZE, DMA_TO_DEVICE);
		if (dma_mapping_error(dev, dma_src)) {
		dev_err(dev, "mapping src buffer failed\n");
		err = -ENOMEM;
		goto free_resources;
		}
		dma_dest = dma_map_single(dev, dest, IOAT_TEST_SIZE, DMA_FROM_DEVICE);
		if (dma_mapping_error(dev, dma_dest)) {
		dev_err(dev, "mapping dest buffer failed\n");
		err = -ENOMEM;
		goto unmap_src;
		}
		flags = DMA_PREP_INTERRUPT;
		@@ -827,17 +829,21 @@ static int ioat_xor_val_self_test(struct ioatdma_device *ioat_dma)
		op = IOAT_OP_XOR;

		dest_dma = dma_map_page(dev, dest, 0, PAGE_SIZE, DMA_FROM_DEVICE);
		if (dma_mapping_error(dev, dest_dma))
		if (dma_mapping_error(dev, dest_dma)) {
		err = -ENOMEM;
		goto free_resources;
		}

		for (i = 0; i < IOAT_NUM_SRC_TEST; i++)
		dma_srcs[i] = DMA_ERROR_CODE;
		for (i = 0; i < IOAT_NUM_SRC_TEST; i++) {
		dma_srcs[i] = dma_map_page(dev, xor_srcs[i], 0, PAGE_SIZE,
		DMA_TO_DEVICE);
		if (dma_mapping_error(dev, dma_srcs[i]))
		if (dma_mapping_error(dev, dma_srcs[i])) {
		err = -ENOMEM;
		goto dma_unmap;
		}
		}
		tx = dma->device_prep_dma_xor(dma_chan, dest_dma, dma_srcs,
		IOAT_NUM_SRC_TEST, PAGE_SIZE,
		DMA_PREP_INTERRUPT);
		@@ -904,9 +910,11 @@ static int ioat_xor_val_self_test(struct ioatdma_device *ioat_dma)
		for (i = 0; i < IOAT_NUM_SRC_TEST + 1; i++) {
		dma_srcs[i] = dma_map_page(dev, xor_val_srcs[i], 0, PAGE_SIZE,
		DMA_TO_DEVICE);
		if (dma_mapping_error(dev, dma_srcs[i]))
		if (dma_mapping_error(dev, dma_srcs[i])) {
		err = -ENOMEM;
		goto dma_unmap;
		}
		}
		tx = dma->device_prep_dma_xor_val(dma_chan, dma_srcs,
		IOAT_NUM_SRC_TEST + 1, PAGE_SIZE,
		&xor_val_result, DMA_PREP_INTERRUPT);
		@@ -957,9 +965,11 @@ static int ioat_xor_val_self_test(struct ioatdma_device *ioat_dma)
		for (i = 0; i < IOAT_NUM_SRC_TEST + 1; i++) {
		dma_srcs[i] = dma_map_page(dev, xor_val_srcs[i], 0, PAGE_SIZE,
		DMA_TO_DEVICE);
		if (dma_mapping_error(dev, dma_srcs[i]))
		if (dma_mapping_error(dev, dma_srcs[i])) {
		err = -ENOMEM;
		goto dma_unmap;
		}
		}
		tx = dma->device_prep_dma_xor_val(dma_chan, dma_srcs,
		IOAT_NUM_SRC_TEST + 1, PAGE_SIZE,
		&xor_val_result, DMA_PREP_INTERRUPT);

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