[PATCH v2 1/7] usb: dwc3-omap: use device_for_each_child to handle child removal

From: Kishon Vijay Abraham I
Date: Mon Oct 01 2012 - 06:26:47 EST


Used device_for_each_child() to handle child device (dwc3 core) removal
during devexit of dwc3 omap.

Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
---
drivers/usb/dwc3/dwc3-omap.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 479dc04..e335da3 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -204,6 +204,15 @@ static irqreturn_t dwc3_omap_interrupt(int irq, void *_omap)
return IRQ_HANDLED;
}

+static int dwc3_omap_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;
@@ -370,9 +379,8 @@ 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_omap_remove_core);

return 0;
}
--
1.7.9.5

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