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authorChunfeng Yun <chunfeng.yun@mediatek.com>2021-06-08 15:57:37 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-06-15 15:43:43 +0200
commit6c7b9497622bd825c77fba776f5958a7aced7da2 (patch)
treeb094e6e3d6996d6826f997cafa469408b744f848 /drivers/usb/mtu3
parent18cfd7b85cedfe51af8f19eef2768daa7648c798 (diff)
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/mtu3')
-rw-r--r--drivers/usb/mtu3/mtu3_dr.c20
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;