From: Fabio Estevam <festevam@xxxxxxxxx> [ Upstream commit cc2afb0d4c7cbba6743ed6d9564f0883cab6bae1 ] The mxs-dma driver is only used by DT platforms and the .id_table is unused. Get rid of it to simplify the code. Signed-off-by: Fabio Estevam <festevam@xxxxxxxxx> Link: https://lore.kernel.org/r/20201123193051.17285-1-festevam@xxxxxxxxx Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx> Stable-dep-of: 26696d465716 ("dmaengine: mxs: use platform_driver_register") Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/dma/mxs-dma.c | 37 +++++-------------------------------- 1 file changed, 5 insertions(+), 32 deletions(-) --- a/drivers/dma/mxs-dma.c +++ b/drivers/dma/mxs-dma.c @@ -167,29 +167,11 @@ static struct mxs_dma_type mxs_dma_types } }; -static const struct platform_device_id mxs_dma_ids[] = { - { - .name = "imx23-dma-apbh", - .driver_data = (kernel_ulong_t) &mxs_dma_types[0], - }, { - .name = "imx23-dma-apbx", - .driver_data = (kernel_ulong_t) &mxs_dma_types[1], - }, { - .name = "imx28-dma-apbh", - .driver_data = (kernel_ulong_t) &mxs_dma_types[2], - }, { - .name = "imx28-dma-apbx", - .driver_data = (kernel_ulong_t) &mxs_dma_types[3], - }, { - /* end of list */ - } -}; - static const struct of_device_id mxs_dma_dt_ids[] = { - { .compatible = "fsl,imx23-dma-apbh", .data = &mxs_dma_ids[0], }, - { .compatible = "fsl,imx23-dma-apbx", .data = &mxs_dma_ids[1], }, - { .compatible = "fsl,imx28-dma-apbh", .data = &mxs_dma_ids[2], }, - { .compatible = "fsl,imx28-dma-apbx", .data = &mxs_dma_ids[3], }, + { .compatible = "fsl,imx23-dma-apbh", .data = &mxs_dma_types[0], }, + { .compatible = "fsl,imx23-dma-apbx", .data = &mxs_dma_types[1], }, + { .compatible = "fsl,imx28-dma-apbh", .data = &mxs_dma_types[2], }, + { .compatible = "fsl,imx28-dma-apbx", .data = &mxs_dma_types[3], }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, mxs_dma_dt_ids); @@ -762,8 +744,6 @@ static struct dma_chan *mxs_dma_xlate(st static int __init mxs_dma_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; - const struct platform_device_id *id_entry; - const struct of_device_id *of_id; const struct mxs_dma_type *dma_type; struct mxs_dma_engine *mxs_dma; struct resource *iores; @@ -779,13 +759,7 @@ static int __init mxs_dma_probe(struct p return ret; } - of_id = of_match_device(mxs_dma_dt_ids, &pdev->dev); - if (of_id) - id_entry = of_id->data; - else - id_entry = platform_get_device_id(pdev); - - dma_type = (struct mxs_dma_type *)id_entry->driver_data; + dma_type = (struct mxs_dma_type *)of_device_get_match_data(&pdev->dev); mxs_dma->type = dma_type->type; mxs_dma->dev_id = dma_type->id; @@ -865,7 +839,6 @@ static struct platform_driver mxs_dma_dr .name = "mxs-dma", .of_match_table = mxs_dma_dt_ids, }, - .id_table = mxs_dma_ids, }; static int __init mxs_dma_module_init(void)
