diff options
| author | Li Jun <jun.li@nxp.com> | 2019-08-26 18:25:12 +0800 |
|---|---|---|
| committer | Peter Chen <peter.chen@nxp.com> | 2019-08-28 10:39:53 +0800 |
| commit | 05559f10ed797b79f7fa47313682c48919a2b111 (patch) | |
| tree | ff421785ada548d4a18c2254a22665e539307680 /drivers/usb/chipidea/otg.c | |
| parent | 71fcb8bdf5ab68e91c05b69e80c2d0ab4c51d78b (diff) | |
| download | linux-05559f10ed797b79f7fa47313682c48919a2b111.tar.bz2 | |
usb: chipidea: add role switch class support
USB role is fully controlled by usb role switch consumer(e.g. typec),
usb port can be at host mode(USB_ROLE_HOST), device mode connected to
host(USB_ROLE_DEVICE), or not connecting any partner(USB_ROLE_NONE).
Signed-off-by: Li Jun <jun.li@nxp.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Diffstat (limited to 'drivers/usb/chipidea/otg.c')
| -rw-r--r-- | drivers/usb/chipidea/otg.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/usb/chipidea/otg.c b/drivers/usb/chipidea/otg.c index f25d4827fd49..fbfb02e05c97 100644 --- a/drivers/usb/chipidea/otg.c +++ b/drivers/usb/chipidea/otg.c @@ -35,7 +35,7 @@ u32 hw_read_otgsc(struct ci_hdrc *ci, u32 mask) * detection overwrite OTGSC register value */ cable = &ci->platdata->vbus_extcon; - if (!IS_ERR(cable->edev)) { + if (!IS_ERR(cable->edev) || ci->role_switch) { if (cable->changed) val |= OTGSC_BSVIS; else @@ -53,7 +53,7 @@ u32 hw_read_otgsc(struct ci_hdrc *ci, u32 mask) } cable = &ci->platdata->id_extcon; - if (!IS_ERR(cable->edev)) { + if (!IS_ERR(cable->edev) || ci->role_switch) { if (cable->changed) val |= OTGSC_IDIS; else @@ -83,7 +83,7 @@ void hw_write_otgsc(struct ci_hdrc *ci, u32 mask, u32 data) struct ci_hdrc_cable *cable; cable = &ci->platdata->vbus_extcon; - if (!IS_ERR(cable->edev)) { + if (!IS_ERR(cable->edev) || ci->role_switch) { if (data & mask & OTGSC_BSVIS) cable->changed = false; @@ -97,7 +97,7 @@ void hw_write_otgsc(struct ci_hdrc *ci, u32 mask, u32 data) } cable = &ci->platdata->id_extcon; - if (!IS_ERR(cable->edev)) { + if (!IS_ERR(cable->edev) || ci->role_switch) { if (data & mask & OTGSC_IDIS) cable->changed = false; |