dmaengine: imx-dma: Remove unused .id_table

Since 5.10-rc1 i.MX is a devicetree-only platform, so simplify the code
by removing the unused non-DT support.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20201124143405.2764-1-festevam@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index 670db04..7f116bb 100644 (file)
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -191,32 +191,13 @@ struct imxdma_filter_data {
        int                      request;
 };
 
-static const struct platform_device_id imx_dma_devtype[] = {
-       {
-               .name = "imx1-dma",
-               .driver_data = IMX1_DMA,
-       }, {
-               .name = "imx21-dma",
-               .driver_data = IMX21_DMA,
-       }, {
-               .name = "imx27-dma",
-               .driver_data = IMX27_DMA,
-       }, {
-               /* sentinel */
-       }
-};
-MODULE_DEVICE_TABLE(platform, imx_dma_devtype);
-
 static const struct of_device_id imx_dma_of_dev_id[] = {
        {
-               .compatible = "fsl,imx1-dma",
-               .data = &imx_dma_devtype[IMX1_DMA],
+               .compatible = "fsl,imx1-dma", .data = (const void *)IMX1_DMA,
        }, {
-               .compatible = "fsl,imx21-dma",
-               .data = &imx_dma_devtype[IMX21_DMA],
+               .compatible = "fsl,imx21-dma", .data = (const void *)IMX21_DMA,
        }, {
-               .compatible = "fsl,imx27-dma",
-               .data = &imx_dma_devtype[IMX27_DMA],
+               .compatible = "fsl,imx27-dma", .data = (const void *)IMX27_DMA,
        }, {
                /* sentinel */
        }
@@ -1056,20 +1037,15 @@ static int __init imxdma_probe(struct platform_device *pdev)
 {
        struct imxdma_engine *imxdma;
        struct resource *res;
-       const struct of_device_id *of_id;
        int ret, i;
        int irq, irq_err;
 
-       of_id = of_match_device(imx_dma_of_dev_id, &pdev->dev);
-       if (of_id)
-               pdev->id_entry = of_id->data;
-
        imxdma = devm_kzalloc(&pdev->dev, sizeof(*imxdma), GFP_KERNEL);
        if (!imxdma)
                return -ENOMEM;
 
        imxdma->dev = &pdev->dev;
-       imxdma->devtype = pdev->id_entry->driver_data;
+       imxdma->devtype = (enum imx_dma_type)of_device_get_match_data(&pdev->dev);
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        imxdma->base = devm_ioremap_resource(&pdev->dev, res);
@@ -1263,7 +1239,6 @@ static struct platform_driver imxdma_driver = {
                .name   = "imx-dma",
                .of_match_table = imx_dma_of_dev_id,
        },
-       .id_table       = imx_dma_devtype,
        .remove         = imxdma_remove,
 };