mtd: rawnand: brcmnand: Set appropriate DMA mask (393947e5) · Commits · 戴 / test

NAND controllers >= 7.0 with FLASH_DMA support physical addresses up to 40-bit, set an appropriate DMA mask for that purpose. Signed-off-by:

drivers/mtd/nand/raw/brcmnand/brcmnand.c

+10 −0

Original line number	Diff line number	Diff line
		@@ -2635,6 +2635,16 @@ int brcmnand_probe(struct platform_device pdev, struct brcmnand_soc soc)
		/* initialize the dma version */
		brcmnand_flash_dma_revision_init(ctrl);

		ret = -EIO;
		if (ctrl->nand_version >= 0x0700)
		ret = dma_set_mask_and_coherent(&pdev->dev,
		DMA_BIT_MASK(40));
		if (ret)
		ret = dma_set_mask_and_coherent(&pdev->dev,
		DMA_BIT_MASK(32));
		if (ret)
		goto err;

		/* linked-list and stop on error */
		flash_dma_writel(ctrl, FLASH_DMA_MODE, FLASH_DMA_MODE_MASK);
		flash_dma_writel(ctrl, FLASH_DMA_ERROR_STATUS, 0);