diff options
| author |   Chunfeng Yun <chunfeng.yun@mediatek.com> | 2021-07-15 17:07:53 +0800 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-07-27 15:58:37 +0200 |
| commit | d7e127242816e06981840880eead898197a3257b (patch) | |
| tree | a5116af1ff6558beb5af9d9d5719b57ef6b3572b /drivers/usb/mtu3/mtu3.h | |
| parent | usb: mtu3: support property role-switch-default-mode (diff) | |
| download | wireguard-linux-d7e127242816e06981840880eead898197a3257b.tar.xz wireguard-linux-d7e127242816e06981840880eead898197a3257b.zip | |
usb: mtu3: support option to disable usb2 ports
Add support to disable specific usb2 host ports, it's useful when
a usb2 port is disabled on some platforms, but enabled on others
for the same SoC.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1626340078-29111-9-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/mtu3/mtu3.h')
| -rw-r--r-- | drivers/usb/mtu3/mtu3.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/mtu3/mtu3.h b/drivers/usb/mtu3/mtu3.h index bc82c7f97ad6..0ae9b33b50ea 100644 --- a/drivers/usb/mtu3/mtu3.h +++ b/drivers/usb/mtu3/mtu3.h @@ -228,6 +228,9 @@ struct otg_switch_mtk { * host only, device only or dual-role mode * @u2_ports: number of usb2.0 host ports * @u3_ports: number of usb3.0 host ports + * @u2p_dis_msk: mask of disabling usb2 ports, e.g. bit0==1 to + * disable u2port0, bit1==1 to disable u2port1,... etc, + * but when use dual-role mode, can't disable u2port0 * @u3p_dis_msk: mask of disabling usb3 ports, for example, bit0==1 to * disable u3port0, bit1==1 to disable u3port1,... etc * @dbgfs_root: only used when supports manual dual-role switch via debugfs @@ -252,6 +255,7 @@ struct ssusb_mtk { bool is_host; int u2_ports; int u3_ports; + int u2p_dis_msk; int u3p_dis_msk; struct dentry *dbgfs_root; /* usb wakeup for host mode */ |