diff options
Diffstat (limited to 'drivers/dma/ti/dma-crossbar.c')
| -rw-r--r-- | drivers/dma/ti/dma-crossbar.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/drivers/dma/ti/dma-crossbar.c b/drivers/dma/ti/dma-crossbar.c index 9272b173c746..7f17ee87a6dc 100644 --- a/drivers/dma/ti/dma-crossbar.c +++ b/drivers/dma/ti/dma-crossbar.c @@ -1,20 +1,17 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com * Author: Peter Ujfalusi <peter.ujfalusi@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ +#include <linux/platform_device.h> #include <linux/slab.h> #include <linux/err.h> #include <linux/init.h> #include <linux/list.h> #include <linux/io.h> -#include <linux/of_address.h> -#include <linux/of_device.h> +#include <linux/of.h> #include <linux/of_dma.h> +#include <linux/of_platform.h> #define TI_XBAR_DRA7 0 #define TI_XBAR_AM335X 1 @@ -126,7 +123,7 @@ static void *ti_am335x_xbar_route_allocate(struct of_phandle_args *dma_spec, return map; } -static const struct of_device_id ti_am335x_master_match[] = { +static const struct of_device_id ti_am335x_master_match[] __maybe_unused = { { .compatible = "ti,edma3-tpcc", }, {}, }; @@ -137,7 +134,6 @@ static int ti_am335x_xbar_probe(struct platform_device *pdev) const struct of_device_id *match; struct device_node *dma_node; struct ti_am335x_xbar_data *xbar; - struct resource *res; void __iomem *iomem; int i, ret; @@ -177,8 +173,7 @@ static int ti_am335x_xbar_probe(struct platform_device *pdev) xbar->xbar_events = TI_AM335X_XBAR_LINES; } - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - iomem = devm_ioremap_resource(&pdev->dev, res); + iomem = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(iomem)) return PTR_ERR(iomem); @@ -251,6 +246,7 @@ static void *ti_dra7_xbar_route_allocate(struct of_phandle_args *dma_spec, if (dma_spec->args[0] >= xbar->xbar_requests) { dev_err(&pdev->dev, "Invalid XBAR request number: %d\n", dma_spec->args[0]); + put_device(&pdev->dev); return ERR_PTR(-EINVAL); } @@ -258,12 +254,14 @@ static void *ti_dra7_xbar_route_allocate(struct of_phandle_args *dma_spec, dma_spec->np = of_parse_phandle(ofdma->of_node, "dma-masters", 0); if (!dma_spec->np) { dev_err(&pdev->dev, "Can't get DMA master\n"); + put_device(&pdev->dev); return ERR_PTR(-EINVAL); } map = kzalloc(sizeof(*map), GFP_KERNEL); if (!map) { of_node_put(dma_spec->np); + put_device(&pdev->dev); return ERR_PTR(-ENOMEM); } @@ -274,6 +272,8 @@ static void *ti_dra7_xbar_route_allocate(struct of_phandle_args *dma_spec, mutex_unlock(&xbar->mutex); dev_err(&pdev->dev, "Run out of free DMA requests\n"); kfree(map); + of_node_put(dma_spec->np); + put_device(&pdev->dev); return ERR_PTR(-ENOMEM); } set_bit(map->xbar_out, xbar->dma_inuse); @@ -298,7 +298,7 @@ static const u32 ti_dma_offset[] = { [TI_XBAR_SDMA_OFFSET] = 1, }; -static const struct of_device_id ti_dra7_master_match[] = { +static const struct of_device_id ti_dra7_master_match[] __maybe_unused = { { .compatible = "ti,omap4430-sdma", .data = &ti_dma_offset[TI_XBAR_SDMA_OFFSET], @@ -327,7 +327,6 @@ static int ti_dra7_xbar_probe(struct platform_device *pdev) struct device_node *dma_node; struct ti_dra7_xbar_data *xbar; struct property *prop; - struct resource *res; u32 safe_val; int sz; void __iomem *iomem; @@ -395,8 +394,10 @@ static int ti_dra7_xbar_probe(struct platform_device *pdev) ret = of_property_read_u32_array(node, pname, (u32 *)rsv_events, nelm * 2); - if (ret) + if (ret) { + kfree(rsv_events); return ret; + } for (i = 0; i < nelm; i++) { ti_dra7_xbar_reserve(rsv_events[i][0], rsv_events[i][1], @@ -405,8 +406,7 @@ static int ti_dra7_xbar_probe(struct platform_device *pdev) kfree(rsv_events); } - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - iomem = devm_ioremap_resource(&pdev->dev, res); + iomem = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(iomem)) return PTR_ERR(iomem); @@ -466,7 +466,7 @@ static int ti_dma_xbar_probe(struct platform_device *pdev) static struct platform_driver ti_dma_xbar_driver = { .driver = { .name = "ti-dma-crossbar", - .of_match_table = of_match_ptr(ti_dma_xbar_match), + .of_match_table = ti_dma_xbar_match, }, .probe = ti_dma_xbar_probe, }; |