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path: root/drivers/dma/ti/dma-crossbar.c
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Diffstat (limited to 'drivers/dma/ti/dma-crossbar.c')
-rw-r--r--drivers/dma/ti/dma-crossbar.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/dma/ti/dma-crossbar.c b/drivers/dma/ti/dma-crossbar.c
index 4ba8fa5d9c36..7f17ee87a6dc 100644
--- a/drivers/dma/ti/dma-crossbar.c
+++ b/drivers/dma/ti/dma-crossbar.c
@@ -3,14 +3,15 @@
* Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com
* Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
*/
+#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
@@ -122,7 +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", },
{},
};
@@ -245,6 +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);
}
@@ -252,12 +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);
}
@@ -268,6 +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);
@@ -292,7 +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],
@@ -460,7 +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,
};