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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2012-08-07 05:09:10 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-08-10 23:05:32 +0400
commite4d37aeb373a5edceecc1dadc76fabbe8bc18e44 (patch)
treebceb86f3fcb67d998fb6da4e8198e3256e86c2f9 /drivers/usb/host/ohci-platform.c
parent04216bedafb1b3992a6c2b7f1518281d2ba5fc7b (diff)
downloadlinux-e4d37aeb373a5edceecc1dadc76fabbe8bc18e44.tar.xz
usb: host: ohci-platform: add platform specific power callback
This patch enables to call platform specific power callback function. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/ohci-platform.c')
-rw-r--r--drivers/usb/host/ohci-platform.c36
1 files changed, 34 insertions, 2 deletions
diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c
index 4c886f938f6c..10d85b9d9e93 100644
--- a/drivers/usb/host/ohci-platform.c
+++ b/drivers/usb/host/ohci-platform.c
@@ -107,10 +107,18 @@ static int __devinit ohci_platform_probe(struct platform_device *dev)
return -ENXIO;
}
+ if (pdata->power_on) {
+ err = pdata->power_on(dev);
+ if (err < 0)
+ return err;
+ }
+
hcd = usb_create_hcd(&ohci_platform_hc_driver, &dev->dev,
dev_name(&dev->dev));
- if (!hcd)
- return -ENOMEM;
+ if (!hcd) {
+ err = -ENOMEM;
+ goto err_power;
+ }
hcd->rsrc_start = res_mem->start;
hcd->rsrc_len = resource_size(res_mem);
@@ -138,12 +146,17 @@ err_release_region:
release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
err_put_hcd:
usb_put_hcd(hcd);
+err_power:
+ if (pdata->power_off)
+ pdata->power_off(dev);
+
return err;
}
static int __devexit ohci_platform_remove(struct platform_device *dev)
{
struct usb_hcd *hcd = platform_get_drvdata(dev);
+ struct usb_ohci_pdata *pdata = dev->dev.platform_data;
usb_remove_hcd(hcd);
iounmap(hcd->regs);
@@ -151,6 +164,9 @@ static int __devexit ohci_platform_remove(struct platform_device *dev)
usb_put_hcd(hcd);
platform_set_drvdata(dev, NULL);
+ if (pdata->power_off)
+ pdata->power_off(dev);
+
return 0;
}
@@ -158,12 +174,28 @@ static int __devexit ohci_platform_remove(struct platform_device *dev)
static int ohci_platform_suspend(struct device *dev)
{
+ struct usb_ohci_pdata *pdata = dev->platform_data;
+ struct platform_device *pdev =
+ container_of(dev, struct platform_device, dev);
+
+ if (pdata->power_suspend)
+ pdata->power_suspend(pdev);
+
return 0;
}
static int ohci_platform_resume(struct device *dev)
{
struct usb_hcd *hcd = dev_get_drvdata(dev);
+ struct usb_ohci_pdata *pdata = dev->platform_data;
+ struct platform_device *pdev =
+ container_of(dev, struct platform_device, dev);
+
+ if (pdata->power_on) {
+ int err = pdata->power_on(pdev);
+ if (err < 0)
+ return err;
+ }
ohci_finish_controller_resume(hcd);
return 0;