diff options
| author | Peter Chen <peter.chen@freescale.com> | 2014-11-26 13:44:33 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-11-26 09:28:12 -0800 |
| commit | 5b1573005a91dc448e6919d6bec076bedc7e1919 (patch) | |
| tree | 29a77bb96d1f03e026b67fd0db57e7f927b383db /drivers/usb/chipidea | |
| parent | cdd278f21eea55412dd0c5bc468bbdfb0639879b (diff) | |
| download | linux-5b1573005a91dc448e6919d6bec076bedc7e1919.tar.bz2 | |
usb: chipidea: parameter 'mode' isn't needed for hw_device_reset
The hw_device_reset is dedicated to be used at device mode initializaiton,
so delete the parameter 'mode'. For host driver, the ehci driver will
handle all things.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/chipidea')
| -rw-r--r-- | drivers/usb/chipidea/ci.h | 2 | ||||
| -rw-r--r-- | drivers/usb/chipidea/core.c | 8 | ||||
| -rw-r--r-- | drivers/usb/chipidea/otg_fsm.c | 2 | ||||
| -rw-r--r-- | drivers/usb/chipidea/udc.c | 4 |
4 files changed, 8 insertions, 8 deletions
diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h index 5bbfcc73cf70..65913d48f0c8 100644 --- a/drivers/usb/chipidea/ci.h +++ b/drivers/usb/chipidea/ci.h @@ -352,7 +352,7 @@ u32 hw_read_intr_enable(struct ci_hdrc *ci); u32 hw_read_intr_status(struct ci_hdrc *ci); -int hw_device_reset(struct ci_hdrc *ci, u32 mode); +int hw_device_reset(struct ci_hdrc *ci); int hw_port_test_set(struct ci_hdrc *ci, u8 mode); diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 48b25d9ebf82..e43be34f04b9 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -410,7 +410,7 @@ static int hw_controller_reset(struct ci_hdrc *ci) * * This function returns an error code */ -int hw_device_reset(struct ci_hdrc *ci, u32 mode) +int hw_device_reset(struct ci_hdrc *ci) { int ret; @@ -440,12 +440,12 @@ int hw_device_reset(struct ci_hdrc *ci, u32 mode) /* USBMODE should be configured step by step */ hw_write(ci, OP_USBMODE, USBMODE_CM, USBMODE_CM_IDLE); - hw_write(ci, OP_USBMODE, USBMODE_CM, mode); + hw_write(ci, OP_USBMODE, USBMODE_CM, USBMODE_CM_DC); /* HW >= 2.3 */ hw_write(ci, OP_USBMODE, USBMODE_SLOM, USBMODE_SLOM); - if (hw_read(ci, OP_USBMODE, USBMODE_CM) != mode) { - pr_err("cannot enter in %s mode", ci_role(ci)->name); + if (hw_read(ci, OP_USBMODE, USBMODE_CM) != USBMODE_CM_DC) { + pr_err("cannot enter in %s device mode", ci_role(ci)->name); pr_err("lpm = %i", ci->hw_bank.lpm); return -ENODEV; } diff --git a/drivers/usb/chipidea/otg_fsm.c b/drivers/usb/chipidea/otg_fsm.c index 368cc8e94fd6..7ef124db657a 100644 --- a/drivers/usb/chipidea/otg_fsm.c +++ b/drivers/usb/chipidea/otg_fsm.c @@ -543,7 +543,7 @@ static int ci_otg_start_host(struct otg_fsm *fsm, int on) ci_role_start(ci, CI_ROLE_HOST); } else { ci_role_stop(ci); - hw_device_reset(ci, USBMODE_CM_DC); + hw_device_reset(ci); ci_role_start(ci, CI_ROLE_GADGET); } mutex_lock(&fsm->lock); diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index bdaa7bac6f4a..4fe18ce3bd5a 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -1471,7 +1471,7 @@ static int ci_udc_vbus_session(struct usb_gadget *_gadget, int is_active) if (gadget_ready) { if (is_active) { pm_runtime_get_sync(&_gadget->dev); - hw_device_reset(ci, USBMODE_CM_DC); + hw_device_reset(ci); hw_device_state(ci, ci->ep0out->qh.dma); usb_gadget_set_state(_gadget, USB_STATE_POWERED); } else { @@ -1660,7 +1660,7 @@ static int ci_udc_start(struct usb_gadget *gadget, pm_runtime_get_sync(&ci->gadget.dev); if (ci->vbus_active) { spin_lock_irqsave(&ci->lock, flags); - hw_device_reset(ci, USBMODE_CM_DC); + hw_device_reset(ci); } else { pm_runtime_put_sync(&ci->gadget.dev); return retval; |