Used of_platform_populate() to populate dwc3 core platform_device
from device tree data. Since now the allocation of unique device id is
handled be of_*, removed the call to dwc3_get_device_id.
Signed-off-by: Kishon Vijay Abraham I kis...@ti.com
---
drivers/usb/dwc3/dwc3-omap.c | 63 +++---
1 file changed, 22 insertions(+), 41 deletions(-)
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 479dc04..34578de 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -47,6 +47,7 @@
#include linux/ioport.h
#include linux/io.h
#include linux/of.h
+#include linux/of_platform.h
#include core.h
@@ -130,7 +131,6 @@ struct dwc3_omap {
/* device lock */
spinlock_t lock;
- struct platform_device *dwc3;
struct device *dev;
int irq;
@@ -204,17 +204,24 @@ static irqreturn_t dwc3_omap_interrupt(int irq, void
*_omap)
return IRQ_HANDLED;
}
+static int dwc3_remove_core(struct device *dev, void *c)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+
+ platform_device_unregister(pdev);
+
+ return 0;
+}
+
static int __devinit 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;
- int devid;
int size;
int ret = -ENOMEM;
int irq;
@@ -239,7 +246,7 @@ static int __devinit dwc3_omap_probe(struct platform_device
*pdev)
return -EINVAL;
}
- res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(dev, missing memory base resource\n);
return -EINVAL;
@@ -251,34 +258,28 @@ static int __devinit dwc3_omap_probe(struct
platform_device *pdev)
return -ENOMEM;
}
- devid = dwc3_get_device_id();
- if (devid 0)
- return -ENODEV;
-
- dwc3 = platform_device_alloc(dwc3, devid);
- if (!dwc3) {
- dev_err(dev, couldn't allocate dwc3 device\n);
- goto err1;
+ 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;
+ }
}
context = devm_kzalloc(dev, resource_size(res), GFP_KERNEL);
if (!context) {
dev_err(dev, couldn't allocate dwc3 context memory\n);
- goto err2;
+ goto err1;
}
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);
@@ -323,7 +324,7 @@ static int __devinit dwc3_omap_probe(struct platform_device
*pdev)
if (ret) {
dev_err(dev, failed to request IRQ #%d -- %d\n,
omap-irq, ret);
- goto err2;
+ goto err1;
}
/* enable all IRQs */
@@ -342,37 +343,17 @@ static int __devinit 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;
- }
-
return 0;
-err2:
- platform_device_put(dwc3);
-
err1:
- dwc3_put_device_id(devid);
+ device_for_each_child(pdev-dev, NULL, dwc3_remove_core);
return ret;
}
static int __devexit dwc3_omap_remove(struct platform_device *pdev)
{
- struct dwc3_omap*omap = platform_get_drvdata(pdev);
-
- platform_device_unregister(omap-dwc3);
-
- dwc3_put_device_id(omap-dwc3-id);
+ device_for_each_child(pdev-dev, NULL, dwc3_remove_core);
return 0;
}
--
1.7.10.4
--
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