The dma channel information is located within the GPMC node. The NAND driver requires a handle to the GPMC's dev to properly parse the DMA properties. Therefore, store a handle to the dev so it can be referenced within the NAND driver.
Signed-off-by: Franklin S Cooper Jr <[email protected]> --- drivers/memory/omap-gpmc.c | 1 + include/linux/platform_data/mtd-nand-omap2.h | 2 ++ 2 files changed, 3 insertions(+) diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c index 6515dfc..2932d13 100644 --- a/drivers/memory/omap-gpmc.c +++ b/drivers/memory/omap-gpmc.c @@ -1796,6 +1796,7 @@ static int gpmc_probe_nand_child(struct platform_device *pdev, gpmc_nand_data->cs = val; gpmc_nand_data->of_node = child; + gpmc_nand_data->gpmc_dev = &pdev->dev; /* Detect availability of ELM module */ gpmc_nand_data->elm_of_node = of_parse_phandle(child, "ti,elm-id", 0); diff --git a/include/linux/platform_data/mtd-nand-omap2.h b/include/linux/platform_data/mtd-nand-omap2.h index 090bbab..534b984 100644 --- a/include/linux/platform_data/mtd-nand-omap2.h +++ b/include/linux/platform_data/mtd-nand-omap2.h @@ -80,5 +80,7 @@ struct omap_nand_platform_data { /* for passing the partitions */ struct device_node *of_node; struct device_node *elm_of_node; + + struct device *gpmc_dev; }; #endif -- 2.7.0
