mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-23 14:59:54 +02:00
c4dd6997f2
Backport of upstream commits: 86e4cb35f2260374df4139c2352afe7fe247cb60 usb: host: ehci-platform: BUG_ON() to WARN_ON() on probe b6dd245c4594482d46507a0bfd100439be367952 usb: host: ohci-platform: BUG_ON() to WARN_ON() on probe 04216bedafb1b3992a6c2b7f1518281d2ba5fc7b usb: host: ehci-platform: add platform specific power callback e4d37aeb373a5edceecc1dadc76fabbe8bc18e44 usb: host: ohci-platform: addplatform specific power callback Signed-off-by: Gabor Juhos <juhosg@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34842 3c298f89-4303-0410-b956-a3cf2f4a3e73
115 lines
3.1 KiB
Diff
115 lines
3.1 KiB
Diff
From e4d37aeb373a5edceecc1dadc76fabbe8bc18e44 Mon Sep 17 00:00:00 2001
|
|
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
|
|
Date: Mon, 6 Aug 2012 18:09:10 -0700
|
|
Subject: [PATCH] usb: host: ohci-platform: add platform specific power callback
|
|
|
|
Commit e4d37aeb373a5edceecc1dadc76fabbe8bc18e44 upstream.
|
|
|
|
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>
|
|
---
|
|
drivers/usb/host/ohci-platform.c | 36 ++++++++++++++++++++++++++++++++++--
|
|
include/linux/usb/ohci_pdriver.h | 8 ++++++++
|
|
2 files changed, 42 insertions(+), 2 deletions(-)
|
|
|
|
--- a/drivers/usb/host/ohci-platform.c
|
|
+++ b/drivers/usb/host/ohci-platform.c
|
|
@@ -107,10 +107,18 @@ static int __devinit ohci_platform_probe
|
|
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_remov
|
|
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_remov
|
|
|
|
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;
|
|
--- a/include/linux/usb/ohci_pdriver.h
|
|
+++ b/include/linux/usb/ohci_pdriver.h
|
|
@@ -33,6 +33,14 @@ struct usb_ohci_pdata {
|
|
unsigned big_endian_desc:1;
|
|
unsigned big_endian_mmio:1;
|
|
unsigned no_big_frame_no:1;
|
|
+
|
|
+ /* Turn on all power and clocks */
|
|
+ int (*power_on)(struct platform_device *pdev);
|
|
+ /* Turn off all power and clocks */
|
|
+ void (*power_off)(struct platform_device *pdev);
|
|
+ /* Turn on only VBUS suspend power and hotplug detection,
|
|
+ * turn off everything else */
|
|
+ void (*power_suspend)(struct platform_device *pdev);
|
|
};
|
|
|
|
#endif /* __USB_CORE_OHCI_PDRIVER_H */
|