diff options
| author | Yuyang Du <yuyang.du@intel.com> | 2017-06-08 13:04:09 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-13 10:51:10 +0200 |
| commit | 03cd00d538a6feb0492cd153edf256ef7d7bd95e (patch) | |
| tree | 405fd03ca406c69c1fd569d5f1ac8573dc56abd4 /drivers/usb/usbip/vhci_sysfs.c | |
| parent | dff3565b8e1c0be6fc83ba47dcab45c149dcab5b (diff) | |
| download | lwn-03cd00d538a6feb0492cd153edf256ef7d7bd95e.tar.gz lwn-03cd00d538a6feb0492cd153edf256ef7d7bd95e.zip | |
usbip: vhci-hcd: Set the vhci structure up to work
This patch enables the new vhci structure. Its lock protects
both the USB2 hub and the shared USB3 hub.
Signed-off-by: Yuyang Du <yuyang.du@intel.com>
Acked-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/usbip/vhci_sysfs.c')
| -rw-r--r-- | drivers/usb/usbip/vhci_sysfs.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/drivers/usb/usbip/vhci_sysfs.c b/drivers/usb/usbip/vhci_sysfs.c index 07f0d3789a8c..63e10a4ffeec 100644 --- a/drivers/usb/usbip/vhci_sysfs.c +++ b/drivers/usb/usbip/vhci_sysfs.c @@ -33,9 +33,11 @@ static ssize_t status_show_vhci(int pdev_nr, char *out) { struct platform_device *pdev = vhcis[pdev_nr].pdev; - struct vhci_hcd *vhci; + struct vhci *vhci; + struct usb_hcd *hcd; + struct vhci_hcd *vhci_hcd; char *s = out; - int i = 0; + int i; unsigned long flags; if (!pdev || !out) { @@ -43,7 +45,9 @@ static ssize_t status_show_vhci(int pdev_nr, char *out) return 0; } - vhci = hcd_to_vhci_hcd(platform_get_drvdata(pdev)); + hcd = platform_get_drvdata(pdev); + vhci_hcd = hcd_to_vhci_hcd(hcd); + vhci = vhci_hcd->vhci; spin_lock_irqsave(&vhci->lock, flags); @@ -58,7 +62,7 @@ static ssize_t status_show_vhci(int pdev_nr, char *out) * port number and its peer IP address. */ for (i = 0; i < VHCI_HC_PORTS; i++) { - struct vhci_device *vdev = &vhci->vdev[i]; + struct vhci_device *vdev = &vhci_hcd->vdev[i]; spin_lock(&vdev->ud.lock); out += sprintf(out, "%04u %03u ", @@ -147,9 +151,10 @@ static ssize_t nports_show(struct device *dev, struct device_attribute *attr, static DEVICE_ATTR_RO(nports); /* Sysfs entry to shutdown a virtual connection */ -static int vhci_port_disconnect(struct vhci_hcd *vhci, __u32 rhport) +static int vhci_port_disconnect(struct vhci_hcd *vhci_hcd, __u32 rhport) { - struct vhci_device *vdev = &vhci->vdev[rhport]; + struct vhci_device *vdev = &vhci_hcd->vdev[rhport]; + struct vhci *vhci = vhci_hcd->vhci; unsigned long flags; usbip_dbg_vhci_sysfs("enter\n"); @@ -262,8 +267,9 @@ static ssize_t store_attach(struct device *dev, struct device_attribute *attr, int sockfd = 0; __u32 port = 0, pdev_nr = 0, rhport = 0, devid = 0, speed = 0; struct usb_hcd *hcd; - struct vhci_hcd *vhci; + struct vhci_hcd *vhci_hcd; struct vhci_device *vdev; + struct vhci *vhci; int err; unsigned long flags; @@ -292,8 +298,10 @@ static ssize_t store_attach(struct device *dev, struct device_attribute *attr, dev_err(dev, "port %d is not ready\n", port); return -EAGAIN; } - vhci = hcd_to_vhci_hcd(hcd); - vdev = &vhci->vdev[rhport]; + + vhci_hcd = hcd_to_vhci_hcd(hcd); + vhci = vhci_hcd->vhci; + vdev = &vhci_hcd->vdev[rhport]; /* Extract socket from fd. */ socket = sockfd_lookup(sockfd, &err); |