diff options
| author | Chunfeng Yun <chunfeng.yun@mediatek.com> | 2021-06-08 15:57:37 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-06-15 15:43:43 +0200 |
| commit | 6c7b9497622bd825c77fba776f5958a7aced7da2 (patch) | |
| tree | b094e6e3d6996d6826f997cafa469408b744f848 /drivers/usb | |
| parent | 18cfd7b85cedfe51af8f19eef2768daa7648c798 (diff) | |
| download | linux-6c7b9497622bd825c77fba776f5958a7aced7da2.tar.bz2 | |
usb: mtu3: add helper to get pointer of ssusb_mtk struct
Add a helper to get pointer of ssusb_mtk struct from the pointer
of otg_switch_mtk struct.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1623139069-8173-12-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/mtu3/mtu3_dr.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/usb/mtu3/mtu3_dr.c b/drivers/usb/mtu3/mtu3_dr.c index 1cf56f129b15..486d26a366b8 100644 --- a/drivers/usb/mtu3/mtu3_dr.c +++ b/drivers/usb/mtu3/mtu3_dr.c @@ -14,6 +14,11 @@ #define USB2_PORT 2 #define USB3_PORT 3 +static inline struct ssusb_mtk *otg_sx_to_ssusb(struct otg_switch_mtk *otg_sx) +{ + return container_of(otg_sx, struct ssusb_mtk, otg_switch); +} + static void toggle_opstate(struct ssusb_mtk *ssusb) { if (!ssusb->otg_switch.is_u3_drd) { @@ -98,8 +103,7 @@ static void switch_port_to_device(struct ssusb_mtk *ssusb) int ssusb_set_vbus(struct otg_switch_mtk *otg_sx, int is_on) { - struct ssusb_mtk *ssusb = - container_of(otg_sx, struct ssusb_mtk, otg_switch); + struct ssusb_mtk *ssusb = otg_sx_to_ssusb(otg_sx); struct regulator *vbus = otg_sx->vbus; int ret; @@ -126,8 +130,7 @@ static void ssusb_mode_sw_work(struct work_struct *work) { struct otg_switch_mtk *otg_sx = container_of(work, struct otg_switch_mtk, dr_work); - struct ssusb_mtk *ssusb = - container_of(otg_sx, struct ssusb_mtk, otg_switch); + struct ssusb_mtk *ssusb = otg_sx_to_ssusb(otg_sx); struct mtu3 *mtu = ssusb->u3d; enum usb_role desired_role = otg_sx->desired_role; enum usb_role current_role; @@ -164,8 +167,7 @@ static void ssusb_mode_sw_work(struct work_struct *work) static void ssusb_set_mode(struct otg_switch_mtk *otg_sx, enum usb_role role) { - struct ssusb_mtk *ssusb = - container_of(otg_sx, struct ssusb_mtk, otg_switch); + struct ssusb_mtk *ssusb = otg_sx_to_ssusb(otg_sx); if (ssusb->dr_mode != USB_DR_MODE_OTG) return; @@ -187,8 +189,7 @@ static int ssusb_id_notifier(struct notifier_block *nb, static int ssusb_extcon_register(struct otg_switch_mtk *otg_sx) { - struct ssusb_mtk *ssusb = - container_of(otg_sx, struct ssusb_mtk, otg_switch); + struct ssusb_mtk *ssusb = otg_sx_to_ssusb(otg_sx); struct extcon_dev *edev = otg_sx->edev; int ret; @@ -283,8 +284,7 @@ static enum usb_role ssusb_role_sw_get(struct usb_role_switch *sw) static int ssusb_role_sw_register(struct otg_switch_mtk *otg_sx) { struct usb_role_switch_desc role_sx_desc = { 0 }; - struct ssusb_mtk *ssusb = - container_of(otg_sx, struct ssusb_mtk, otg_switch); + struct ssusb_mtk *ssusb = otg_sx_to_ssusb(otg_sx); if (!otg_sx->role_sw_used) return 0; |