diff options
Diffstat (limited to 'drivers/mtd/onenand/omap2.c')
| -rw-r--r-- | drivers/mtd/onenand/omap2.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c index 75f38b95811..9f322f1a7f2 100644 --- a/drivers/mtd/onenand/omap2.c +++ b/drivers/mtd/onenand/omap2.c @@ -34,6 +34,7 @@ #include <linux/delay.h> #include <linux/dma-mapping.h> #include <linux/io.h> +#include <linux/slab.h> #include <asm/mach/flash.h> #include <plat/gpmc.h> @@ -308,7 +309,7 @@ static int omap3_onenand_read_bufferram(struct mtd_info *mtd, int area, goto out_copy; /* panic_write() may be in an interrupt context */ - if (in_interrupt()) + if (in_interrupt() || oops_in_progress) goto out_copy; if (buf >= high_memory) { @@ -385,7 +386,7 @@ static int omap3_onenand_write_bufferram(struct mtd_info *mtd, int area, goto out_copy; /* panic_write() may be in an interrupt context */ - if (in_interrupt()) + if (in_interrupt() || oops_in_progress) goto out_copy; if (buf >= high_memory) { @@ -402,7 +403,7 @@ static int omap3_onenand_write_bufferram(struct mtd_info *mtd, int area, dma_src = dma_map_single(&c->pdev->dev, buf, count, DMA_TO_DEVICE); dma_dst = c->phys_base + bram_offset; - if (dma_mapping_error(&c->pdev->dev, dma_dst)) { + if (dma_mapping_error(&c->pdev->dev, dma_src)) { dev_err(&c->pdev->dev, "Couldn't DMA map a %d byte buffer\n", count); @@ -425,7 +426,7 @@ static int omap3_onenand_write_bufferram(struct mtd_info *mtd, int area, if (*done) break; - dma_unmap_single(&c->pdev->dev, dma_dst, count, DMA_TO_DEVICE); + dma_unmap_single(&c->pdev->dev, dma_src, count, DMA_TO_DEVICE); if (!*done) { dev_err(&c->pdev->dev, "timeout waiting for DMA\n"); @@ -520,7 +521,7 @@ static int omap2_onenand_write_bufferram(struct mtd_info *mtd, int area, dma_src = dma_map_single(&c->pdev->dev, (void *) buffer, count, DMA_TO_DEVICE); dma_dst = c->phys_base + bram_offset; - if (dma_mapping_error(&c->pdev->dev, dma_dst)) { + if (dma_mapping_error(&c->pdev->dev, dma_src)) { dev_err(&c->pdev->dev, "Couldn't DMA map a %d byte buffer\n", count); @@ -538,7 +539,7 @@ static int omap2_onenand_write_bufferram(struct mtd_info *mtd, int area, omap_start_dma(c->dma_channel); wait_for_completion(&c->dma_done); - dma_unmap_single(&c->pdev->dev, dma_dst, count, DMA_TO_DEVICE); + dma_unmap_single(&c->pdev->dev, dma_src, count, DMA_TO_DEVICE); return 0; } |