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| author | Yuyang Du <yuyang.du@intel.com> | 2017-06-08 13:04:13 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-13 10:51:10 +0200 |
| commit | b891245bff79583b9c69b14b4429362a5d54096e (patch) | |
| tree | b4fb6991d5b1d79cc6e6283081ac6fad7b5e4b05 /drivers/usb/usbip/vhci.h | |
| parent | a5c7f019c7d602c508b3eedc470568df4633c642 (diff) | |
| download | lwn-b891245bff79583b9c69b14b4429362a5d54096e.tar.gz lwn-b891245bff79583b9c69b14b4429362a5d54096e.zip | |
usbip: vhci-hcd: Clean up the code by adding a new macro
Each vhci has 2*VHCI_HC_PORTS ports, in which VHCI_HC_PORTS
ports are HighSpeed (or below), and VHCI_HC_PORTS are SuperSpeed.
This new macro VHCI_PORTS reflects this configuration.
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.h')
| -rw-r--r-- | drivers/usb/usbip/vhci.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/usbip/vhci.h b/drivers/usb/usbip/vhci.h index db28eb531e8c..5cfb59e98e44 100644 --- a/drivers/usb/usbip/vhci.h +++ b/drivers/usb/usbip/vhci.h @@ -84,6 +84,9 @@ enum hub_speed { #define VHCI_HC_PORTS 8 #endif +/* Each VHCI has 2 hubs (USB2 and USB3), each has VHCI_HC_PORTS ports */ +#define VHCI_PORTS (VHCI_HC_PORTS*2) + #ifdef CONFIG_USBIP_VHCI_NR_HCS #define VHCI_NR_HCS CONFIG_USBIP_VHCI_NR_HCS #else @@ -145,7 +148,7 @@ static inline __u32 port_to_rhport(__u32 port) static inline int port_to_pdev_nr(__u32 port) { - return port / (VHCI_HC_PORTS * 2); + return port / VHCI_PORTS; } static inline struct vhci_hcd *hcd_to_vhci_hcd(struct usb_hcd *hcd) |