mmc: mxs: Remove the unused .id_table

The mxs-mmc driver is only used by DT platforms and the .id_table
is unused.

Get rid of it to simplify the code.

While at it, use of_device_get_match_data() to retrieve the driver
data.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20201123191956.10542-1-festevam@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/mxs-mmc.c

@@ -545,19 +545,6 @@ static const struct mmc_host_ops mxs_mmc_ops = {
 	.enable_sdio_irq = mxs_mmc_enable_sdio_irq,
 };
 
-static const struct platform_device_id mxs_ssp_ids[] = {
-	{
-		.name = "imx23-mmc",
-		.driver_data = IMX23_SSP,
-	}, {
-		.name = "imx28-mmc",
-		.driver_data = IMX28_SSP,
-	}, {
-		/* sentinel */
-	}
-};
-MODULE_DEVICE_TABLE(platform, mxs_ssp_ids);
-
 static const struct of_device_id mxs_mmc_dt_ids[] = {
 	{ .compatible = "fsl,imx23-mmc", .data = (void *) IMX23_SSP, },
 	{ .compatible = "fsl,imx28-mmc", .data = (void *) IMX28_SSP, },
@@ -567,8 +554,6 @@ MODULE_DEVICE_TABLE(of, mxs_mmc_dt_ids);
 
 static int mxs_mmc_probe(struct platform_device *pdev)
 {
-	const struct of_device_id *of_id =
-			of_match_device(mxs_mmc_dt_ids, &pdev->dev);
 	struct device_node *np = pdev->dev.of_node;
 	struct mxs_mmc_host *host;
 	struct mmc_host *mmc;
@@ -593,7 +578,7 @@ static int mxs_mmc_probe(struct platform_device *pdev)
 		goto out_mmc_free;
 	}
 
-	ssp->devid = (enum mxs_ssp_id) of_id->data;
+	ssp->devid = (enum mxs_ssp_id)of_device_get_match_data(&pdev->dev);
 
 	host->mmc = mmc;
 	host->sdio_irq_en = 0;
@@ -723,7 +708,6 @@ static SIMPLE_DEV_PM_OPS(mxs_mmc_pm_ops, mxs_mmc_suspend, mxs_mmc_resume);
 static struct platform_driver mxs_mmc_driver = {
 	.probe		= mxs_mmc_probe,
 	.remove		= mxs_mmc_remove,
-	.id_table	= mxs_ssp_ids,
 	.driver		= {
 		.name	= DRIVER_NAME,
 		.probe_type = PROBE_PREFER_ASYNCHRONOUS,