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usb: dwc3: omap: use of_platform API to create dwc3 core pdev

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Used of_platform_populate() to create dwc3 core platform_device
from device tree data.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Kishon Vijay Abraham I 2013-01-25 08:30:46 +05:30 committed by Felipe Balbi
parent 94c6a436f6
commit b4bfe6aa9b
1 changed files with 10 additions and 30 deletions
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40
drivers/usb/dwc3/dwc3-omap.c
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@ -47,6 +47,7 @@
#include <linux/ioport.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/usb/otg.h>
#include <linux/usb/nop-usb-xceiv.h>
@ -133,7 +134,6 @@ struct dwc3_omap {
/* device lock */
spinlock_t lock;
struct platform_device *dwc3;
struct platform_device *usb2_phy;
struct platform_device *usb3_phy;
struct device *dev;
@ -276,7 +276,6 @@ static int dwc3_omap_probe(struct platform_device *pdev)
struct dwc3_omap_data *pdata = pdev->dev.platform_data;
struct device_node *node = pdev->dev.of_node;
struct platform_device *dwc3;
struct dwc3_omap *omap;
struct resource *res;
struct device *dev = &pdev->dev;
@ -323,30 +322,19 @@ static int dwc3_omap_probe(struct platform_device *pdev)
return ret;
}
dwc3 = platform_device_alloc("dwc3", PLATFORM_DEVID_AUTO);
if (!dwc3) {
dev_err(dev, "couldn't allocate dwc3 device\n");
return -ENOMEM;
}
context = devm_kzalloc(dev, resource_size(res), GFP_KERNEL);
if (!context) {
dev_err(dev, "couldn't allocate dwc3 context memory\n");
goto err2;
return -ENOMEM;
}
spin_lock_init(&omap->lock);
dma_set_coherent_mask(&dwc3->dev, dev->coherent_dma_mask);
dwc3->dev.parent = dev;
dwc3->dev.dma_mask = dev->dma_mask;
dwc3->dev.dma_parms = dev->dma_parms;
omap->resource_size = resource_size(res);
omap->context = context;
omap->dev = dev;
omap->irq = irq;
omap->base = base;
omap->dwc3 = dwc3;
reg = dwc3_omap_readl(omap->base, USBOTGSS_UTMI_OTG_STATUS);
@ -391,7 +379,7 @@ static int dwc3_omap_probe(struct platform_device *pdev)
if (ret) {
dev_err(dev, "failed to request IRQ #%d --> %d\n",
omap->irq, ret);
goto err2;
return ret;
}
/* enable all IRQs */
@ -410,24 +398,16 @@ static int dwc3_omap_probe(struct platform_device *pdev)
dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_SET_1, reg);
ret = platform_device_add_resources(dwc3, pdev->resource,
pdev->num_resources);
if (ret) {
dev_err(dev, "couldn't add resources to dwc3 device\n");
goto err2;
}
ret = platform_device_add(dwc3);
if (ret) {
dev_err(dev, "failed to register dwc3 device\n");
goto err2;
if (node) {
ret = of_platform_populate(node, NULL, NULL, dev);
if (ret) {
dev_err(&pdev->dev,
"failed to add create dwc3 core\n");
return ret;
}
}
return 0;
err2:
platform_device_put(dwc3);
return ret;
}
static int dwc3_omap_remove(struct platform_device *pdev)