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Date: Mon, 18 Apr 2016 15:42:01 +0800
From: Peter Chen <hzpeterchen@...il.com>
To: Roger Quadros <rogerq@...com>
Cc: stern@...land.harvard.edu, balbi@...nel.org,
gregkh@...uxfoundation.org, peter.chen@...escale.com,
dan.j.williams@...el.com, jun.li@...escale.com,
mathias.nyman@...ux.intel.com, tony@...mide.com,
Joao.Pinto@...opsys.com, abrestic@...omium.org,
r.baldyga@...sung.com, linux-usb@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org
Subject: Re: [PATCH v6 03/12] usb: otg-fsm: use usb_otg wherever possible
On Tue, Apr 05, 2016 at 05:05:08PM +0300, Roger Quadros wrote:
> Move otg_fsm into usb_otg and use usb_otg wherever possible
> in the usb_otg APIs.
>
> Signed-off-by: Roger Quadros <rogerq@...com>
Acked-by: Peter Chen <peter.chen@....com>
> ---
> drivers/usb/chipidea/ci.h | 1 -
> drivers/usb/chipidea/core.c | 12 +--
> drivers/usb/chipidea/debug.c | 2 +-
> drivers/usb/chipidea/otg_fsm.c | 171 ++++++++++++++++++-------------------
> drivers/usb/chipidea/udc.c | 17 ++--
> drivers/usb/common/usb-otg-fsm.c | 180 ++++++++++++++++++++-------------------
> drivers/usb/phy/phy-fsl-usb.c | 143 +++++++++++++++----------------
> drivers/usb/phy/phy-fsl-usb.h | 3 +-
> include/linux/usb/otg-fsm.h | 132 +++-------------------------
> include/linux/usb/otg.h | 107 +++++++++++++++++++++++
> 10 files changed, 384 insertions(+), 384 deletions(-)
>
> diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h
> index cd41455..c523975 100644
> --- a/drivers/usb/chipidea/ci.h
> +++ b/drivers/usb/chipidea/ci.h
> @@ -209,7 +209,6 @@ struct ci_hdrc {
> enum ci_role role;
> bool is_otg;
> struct usb_otg otg;
> - struct otg_fsm fsm;
> struct hrtimer otg_fsm_hrtimer;
> ktime_t hr_timeouts[NUM_OTG_FSM_TIMERS];
> unsigned enabled_otg_timer_bits;
> diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
> index 69426e6..a5570a9 100644
> --- a/drivers/usb/chipidea/core.c
> +++ b/drivers/usb/chipidea/core.c
> @@ -1085,7 +1085,7 @@ static int ci_hdrc_remove(struct platform_device *pdev)
> /* Prepare wakeup by SRP before suspend */
> static void ci_otg_fsm_suspend_for_srp(struct ci_hdrc *ci)
> {
> - if ((ci->fsm.otg->state == OTG_STATE_A_IDLE) &&
> + if ((ci->otg.state == OTG_STATE_A_IDLE) &&
> !hw_read_otgsc(ci, OTGSC_ID)) {
> hw_write(ci, OP_PORTSC, PORTSC_W1C_BITS | PORTSC_PP,
> PORTSC_PP);
> @@ -1097,13 +1097,13 @@ static void ci_otg_fsm_suspend_for_srp(struct ci_hdrc *ci)
> /* Handle SRP when wakeup by data pulse */
> static void ci_otg_fsm_wakeup_by_srp(struct ci_hdrc *ci)
> {
> - if ((ci->fsm.otg->state == OTG_STATE_A_IDLE) &&
> - (ci->fsm.a_bus_drop == 1) && (ci->fsm.a_bus_req == 0)) {
> + if ((ci->otg.state == OTG_STATE_A_IDLE) &&
> + (ci->otg.fsm.a_bus_drop == 1) && (ci->otg.fsm.a_bus_req == 0)) {
> if (!hw_read_otgsc(ci, OTGSC_ID)) {
> - ci->fsm.a_srp_det = 1;
> - ci->fsm.a_bus_drop = 0;
> + ci->otg.fsm.a_srp_det = 1;
> + ci->otg.fsm.a_bus_drop = 0;
> } else {
> - ci->fsm.id = 1;
> + ci->otg.fsm.id = 1;
> }
> ci_otg_queue_work(ci);
> }
> diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c
> index 6d23eed..374cdaa 100644
> --- a/drivers/usb/chipidea/debug.c
> +++ b/drivers/usb/chipidea/debug.c
> @@ -224,7 +224,7 @@ static int ci_otg_show(struct seq_file *s, void *unused)
> if (!ci || !ci_otg_is_fsm_mode(ci))
> return 0;
>
> - fsm = &ci->fsm;
> + fsm = &ci->otg.fsm;
>
> /* ------ State ----- */
> seq_printf(s, "OTG state: %s\n\n",
> diff --git a/drivers/usb/chipidea/otg_fsm.c b/drivers/usb/chipidea/otg_fsm.c
> index 5f169b3..f4e9fb5 100644
> --- a/drivers/usb/chipidea/otg_fsm.c
> +++ b/drivers/usb/chipidea/otg_fsm.c
> @@ -40,7 +40,7 @@ get_a_bus_req(struct device *dev, struct device_attribute *attr, char *buf)
>
> next = buf;
> size = PAGE_SIZE;
> - t = scnprintf(next, size, "%d\n", ci->fsm.a_bus_req);
> + t = scnprintf(next, size, "%d\n", ci->otg.fsm.a_bus_req);
> size -= t;
> next += t;
>
> @@ -56,25 +56,25 @@ set_a_bus_req(struct device *dev, struct device_attribute *attr,
> if (count > 2)
> return -1;
>
> - mutex_lock(&ci->fsm.lock);
> + mutex_lock(&ci->otg.fsm.lock);
> if (buf[0] == '0') {
> - ci->fsm.a_bus_req = 0;
> + ci->otg.fsm.a_bus_req = 0;
> } else if (buf[0] == '1') {
> /* If a_bus_drop is TRUE, a_bus_req can't be set */
> - if (ci->fsm.a_bus_drop) {
> - mutex_unlock(&ci->fsm.lock);
> + if (ci->otg.fsm.a_bus_drop) {
> + mutex_unlock(&ci->otg.fsm.lock);
> return count;
> }
> - ci->fsm.a_bus_req = 1;
> - if (ci->fsm.otg->state == OTG_STATE_A_PERIPHERAL) {
> + ci->otg.fsm.a_bus_req = 1;
> + if (ci->otg.state == OTG_STATE_A_PERIPHERAL) {
> ci->gadget.host_request_flag = 1;
> - mutex_unlock(&ci->fsm.lock);
> + mutex_unlock(&ci->otg.fsm.lock);
> return count;
> }
> }
>
> ci_otg_queue_work(ci);
> - mutex_unlock(&ci->fsm.lock);
> + mutex_unlock(&ci->otg.fsm.lock);
>
> return count;
> }
> @@ -89,7 +89,7 @@ get_a_bus_drop(struct device *dev, struct device_attribute *attr, char *buf)
>
> next = buf;
> size = PAGE_SIZE;
> - t = scnprintf(next, size, "%d\n", ci->fsm.a_bus_drop);
> + t = scnprintf(next, size, "%d\n", ci->otg.fsm.a_bus_drop);
> size -= t;
> next += t;
>
> @@ -105,16 +105,16 @@ set_a_bus_drop(struct device *dev, struct device_attribute *attr,
> if (count > 2)
> return -1;
>
> - mutex_lock(&ci->fsm.lock);
> + mutex_lock(&ci->otg.fsm.lock);
> if (buf[0] == '0') {
> - ci->fsm.a_bus_drop = 0;
> + ci->otg.fsm.a_bus_drop = 0;
> } else if (buf[0] == '1') {
> - ci->fsm.a_bus_drop = 1;
> - ci->fsm.a_bus_req = 0;
> + ci->otg.fsm.a_bus_drop = 1;
> + ci->otg.fsm.a_bus_req = 0;
> }
>
> ci_otg_queue_work(ci);
> - mutex_unlock(&ci->fsm.lock);
> + mutex_unlock(&ci->otg.fsm.lock);
>
> return count;
> }
> @@ -130,7 +130,7 @@ get_b_bus_req(struct device *dev, struct device_attribute *attr, char *buf)
>
> next = buf;
> size = PAGE_SIZE;
> - t = scnprintf(next, size, "%d\n", ci->fsm.b_bus_req);
> + t = scnprintf(next, size, "%d\n", ci->otg.fsm.b_bus_req);
> size -= t;
> next += t;
>
> @@ -146,20 +146,20 @@ set_b_bus_req(struct device *dev, struct device_attribute *attr,
> if (count > 2)
> return -1;
>
> - mutex_lock(&ci->fsm.lock);
> + mutex_lock(&ci->otg.fsm.lock);
> if (buf[0] == '0')
> - ci->fsm.b_bus_req = 0;
> + ci->otg.fsm.b_bus_req = 0;
> else if (buf[0] == '1') {
> - ci->fsm.b_bus_req = 1;
> - if (ci->fsm.otg->state == OTG_STATE_B_PERIPHERAL) {
> + ci->otg.fsm.b_bus_req = 1;
> + if (ci->otg.state == OTG_STATE_B_PERIPHERAL) {
> ci->gadget.host_request_flag = 1;
> - mutex_unlock(&ci->fsm.lock);
> + mutex_unlock(&ci->otg.fsm.lock);
> return count;
> }
> }
>
> ci_otg_queue_work(ci);
> - mutex_unlock(&ci->fsm.lock);
> + mutex_unlock(&ci->otg.fsm.lock);
>
> return count;
> }
> @@ -174,12 +174,12 @@ set_a_clr_err(struct device *dev, struct device_attribute *attr,
> if (count > 2)
> return -1;
>
> - mutex_lock(&ci->fsm.lock);
> + mutex_lock(&ci->otg.fsm.lock);
> if (buf[0] == '1')
> - ci->fsm.a_clr_err = 1;
> + ci->otg.fsm.a_clr_err = 1;
>
> ci_otg_queue_work(ci);
> - mutex_unlock(&ci->fsm.lock);
> + mutex_unlock(&ci->otg.fsm.lock);
>
> return count;
> }
> @@ -287,64 +287,64 @@ static void ci_otg_del_timer(struct ci_hdrc *ci, enum otg_fsm_timer t)
> /* OTG FSM timer handlers */
> static int a_wait_vrise_tmout(struct ci_hdrc *ci)
> {
> - ci->fsm.a_wait_vrise_tmout = 1;
> + ci->otg.fsm.a_wait_vrise_tmout = 1;
> return 0;
> }
>
> static int a_wait_vfall_tmout(struct ci_hdrc *ci)
> {
> - ci->fsm.a_wait_vfall_tmout = 1;
> + ci->otg.fsm.a_wait_vfall_tmout = 1;
> return 0;
> }
>
> static int a_wait_bcon_tmout(struct ci_hdrc *ci)
> {
> - ci->fsm.a_wait_bcon_tmout = 1;
> + ci->otg.fsm.a_wait_bcon_tmout = 1;
> return 0;
> }
>
> static int a_aidl_bdis_tmout(struct ci_hdrc *ci)
> {
> - ci->fsm.a_aidl_bdis_tmout = 1;
> + ci->otg.fsm.a_aidl_bdis_tmout = 1;
> return 0;
> }
>
> static int b_ase0_brst_tmout(struct ci_hdrc *ci)
> {
> - ci->fsm.b_ase0_brst_tmout = 1;
> + ci->otg.fsm.b_ase0_brst_tmout = 1;
> return 0;
> }
>
> static int a_bidl_adis_tmout(struct ci_hdrc *ci)
> {
> - ci->fsm.a_bidl_adis_tmout = 1;
> + ci->otg.fsm.a_bidl_adis_tmout = 1;
> return 0;
> }
>
> static int b_aidl_bdis_tmout(struct ci_hdrc *ci)
> {
> - ci->fsm.a_bus_suspend = 1;
> + ci->otg.fsm.a_bus_suspend = 1;
> return 0;
> }
>
> static int b_se0_srp_tmout(struct ci_hdrc *ci)
> {
> - ci->fsm.b_se0_srp = 1;
> + ci->otg.fsm.b_se0_srp = 1;
> return 0;
> }
>
> static int b_srp_fail_tmout(struct ci_hdrc *ci)
> {
> - ci->fsm.b_srp_done = 1;
> + ci->otg.fsm.b_srp_done = 1;
> return 1;
> }
>
> static int b_data_pls_tmout(struct ci_hdrc *ci)
> {
> - ci->fsm.b_srp_done = 1;
> - ci->fsm.b_bus_req = 0;
> - if (ci->fsm.power_up)
> - ci->fsm.power_up = 0;
> + ci->otg.fsm.b_srp_done = 1;
> + ci->otg.fsm.b_bus_req = 0;
> + if (ci->otg.fsm.power_up)
> + ci->otg.fsm.power_up = 0;
> hw_write_otgsc(ci, OTGSC_HABA, 0);
> pm_runtime_put(ci->dev);
> return 0;
> @@ -352,9 +352,9 @@ static int b_data_pls_tmout(struct ci_hdrc *ci)
>
> static int b_ssend_srp_tmout(struct ci_hdrc *ci)
> {
> - ci->fsm.b_ssend_srp = 1;
> + ci->otg.fsm.b_ssend_srp = 1;
> /* only vbus fall below B_sess_vld in b_idle state */
> - if (ci->fsm.otg->state == OTG_STATE_B_IDLE)
> + if (ci->otg.state == OTG_STATE_B_IDLE)
> return 0;
> else
> return 1;
> @@ -435,18 +435,18 @@ static int ci_otg_init_timers(struct ci_hdrc *ci)
> /* -------------------------------------------------------------*/
> /* Operations that will be called from OTG Finite State Machine */
> /* -------------------------------------------------------------*/
> -static void ci_otg_fsm_add_timer(struct otg_fsm *fsm, enum otg_fsm_timer t)
> +static void ci_otg_fsm_add_timer(struct usb_otg *otg, enum otg_fsm_timer t)
> {
> - struct ci_hdrc *ci = container_of(fsm, struct ci_hdrc, fsm);
> + struct ci_hdrc *ci = container_of(otg, struct ci_hdrc, otg);
>
> if (t < NUM_OTG_FSM_TIMERS)
> ci_otg_add_timer(ci, t);
> return;
> }
>
> -static void ci_otg_fsm_del_timer(struct otg_fsm *fsm, enum otg_fsm_timer t)
> +static void ci_otg_fsm_del_timer(struct usb_otg *otg, enum otg_fsm_timer t)
> {
> - struct ci_hdrc *ci = container_of(fsm, struct ci_hdrc, fsm);
> + struct ci_hdrc *ci = container_of(otg, struct ci_hdrc, otg);
>
> if (t < NUM_OTG_FSM_TIMERS)
> ci_otg_del_timer(ci, t);
> @@ -457,10 +457,10 @@ static void ci_otg_fsm_del_timer(struct otg_fsm *fsm, enum otg_fsm_timer t)
> * A-device drive vbus: turn on vbus regulator and enable port power
> * Data pulse irq should be disabled while vbus is on.
> */
> -static void ci_otg_drv_vbus(struct otg_fsm *fsm, int on)
> +static void ci_otg_drv_vbus(struct usb_otg *otg, int on)
> {
> int ret;
> - struct ci_hdrc *ci = container_of(fsm, struct ci_hdrc, fsm);
> + struct ci_hdrc *ci = container_of(otg, struct ci_hdrc, otg);
>
> if (on) {
> /* Enable power power */
> @@ -478,23 +478,23 @@ static void ci_otg_drv_vbus(struct otg_fsm *fsm, int on)
> /* Disable data pulse irq */
> hw_write_otgsc(ci, OTGSC_DPIE, 0);
>
> - fsm->a_srp_det = 0;
> - fsm->power_up = 0;
> + otg->fsm.a_srp_det = 0;
> + otg->fsm.power_up = 0;
> } else {
> if (ci->platdata->reg_vbus)
> regulator_disable(ci->platdata->reg_vbus);
>
> - fsm->a_bus_drop = 1;
> - fsm->a_bus_req = 0;
> + otg->fsm.a_bus_drop = 1;
> + otg->fsm.a_bus_req = 0;
> }
> }
>
> /*
> * Control data line by Run Stop bit.
> */
> -static void ci_otg_loc_conn(struct otg_fsm *fsm, int on)
> +static void ci_otg_loc_conn(struct usb_otg *otg, int on)
> {
> - struct ci_hdrc *ci = container_of(fsm, struct ci_hdrc, fsm);
> + struct ci_hdrc *ci = container_of(otg, struct ci_hdrc, otg);
>
> if (on)
> hw_write(ci, OP_USBCMD, USBCMD_RS, USBCMD_RS);
> @@ -511,14 +511,14 @@ static void ci_otg_loc_conn(struct otg_fsm *fsm, int on)
> * so the usb device class driver need support autosuspend,
> * otherwise the bus suspend will not happen.
> */
> -static void ci_otg_loc_sof(struct otg_fsm *fsm, int on)
> +static void ci_otg_loc_sof(struct usb_otg *otg, int on)
> {
> struct usb_device *udev;
>
> - if (!fsm->otg->host)
> + if (!otg->host)
> return;
>
> - udev = usb_hub_find_child(fsm->otg->host->root_hub, 1);
> + udev = usb_hub_find_child(otg->host->root_hub, 1);
> if (!udev)
> return;
>
> @@ -534,9 +534,9 @@ static void ci_otg_loc_sof(struct otg_fsm *fsm, int on)
> * Start SRP pulsing by data-line pulsing,
> * no v-bus pulsing followed
> */
> -static void ci_otg_start_pulse(struct otg_fsm *fsm)
> +static void ci_otg_start_pulse(struct usb_otg *otg)
> {
> - struct ci_hdrc *ci = container_of(fsm, struct ci_hdrc, fsm);
> + struct ci_hdrc *ci = container_of(otg, struct ci_hdrc, otg);
>
> /* Hardware Assistant Data pulse */
> hw_write_otgsc(ci, OTGSC_HADP, OTGSC_HADP);
> @@ -545,9 +545,9 @@ static void ci_otg_start_pulse(struct otg_fsm *fsm)
> ci_otg_add_timer(ci, B_DATA_PLS);
> }
>
> -static int ci_otg_start_host(struct otg_fsm *fsm, int on)
> +static int ci_otg_start_host(struct usb_otg *otg, int on)
> {
> - struct ci_hdrc *ci = container_of(fsm, struct ci_hdrc, fsm);
> + struct ci_hdrc *ci = container_of(otg, struct ci_hdrc, otg);
>
> if (on) {
> ci_role_stop(ci);
> @@ -559,9 +559,9 @@ static int ci_otg_start_host(struct otg_fsm *fsm, int on)
> return 0;
> }
>
> -static int ci_otg_start_gadget(struct otg_fsm *fsm, int on)
> +static int ci_otg_start_gadget(struct usb_otg *otg, int on)
> {
> - struct ci_hdrc *ci = container_of(fsm, struct ci_hdrc, fsm);
> + struct ci_hdrc *ci = container_of(otg, struct ci_hdrc, otg);
>
> if (on)
> usb_gadget_vbus_connect(&ci->gadget);
> @@ -588,13 +588,13 @@ int ci_otg_fsm_work(struct ci_hdrc *ci)
> * Don't do fsm transition for B device
> * when there is no gadget class driver
> */
> - if (ci->fsm.id && !(ci->driver) &&
> - ci->fsm.otg->state < OTG_STATE_A_IDLE)
> + if (ci->otg.fsm.id && !(ci->driver) &&
> + ci->otg.state < OTG_STATE_A_IDLE)
> return 0;
>
> pm_runtime_get_sync(ci->dev);
> - if (otg_statemachine(&ci->fsm)) {
> - if (ci->fsm.otg->state == OTG_STATE_A_IDLE) {
> + if (otg_statemachine(&ci->otg)) {
> + if (ci->otg.state == OTG_STATE_A_IDLE) {
> /*
> * Further state change for cases:
> * a_idle to b_idle; or
> @@ -603,8 +603,8 @@ int ci_otg_fsm_work(struct ci_hdrc *ci)
> * consequently; or
> * a_idle to a_wait_vrise when power up
> */
> - if ((ci->fsm.id) || (ci->id_event) ||
> - (ci->fsm.power_up)) {
> + if ((ci->otg.fsm.id) || (ci->id_event) ||
> + (ci->otg.fsm.power_up)) {
> ci_otg_queue_work(ci);
> } else {
> /* Enable data pulse irq */
> @@ -615,16 +615,16 @@ int ci_otg_fsm_work(struct ci_hdrc *ci)
> }
> if (ci->id_event)
> ci->id_event = false;
> - } else if (ci->fsm.otg->state == OTG_STATE_B_IDLE) {
> - if (ci->fsm.b_sess_vld) {
> - ci->fsm.power_up = 0;
> + } else if (ci->otg.state == OTG_STATE_B_IDLE) {
> + if (ci->otg.fsm.b_sess_vld) {
> + ci->otg.fsm.power_up = 0;
> /*
> * Further transite to b_periphearl state
> * when register gadget driver with vbus on
> */
> ci_otg_queue_work(ci);
> }
> - } else if (ci->fsm.otg->state == OTG_STATE_A_HOST) {
> + } else if (ci->otg.state == OTG_STATE_A_HOST) {
> pm_runtime_mark_last_busy(ci->dev);
> pm_runtime_put_autosuspend(ci->dev);
> return 0;
> @@ -641,13 +641,13 @@ int ci_otg_fsm_work(struct ci_hdrc *ci)
> static void ci_otg_fsm_event(struct ci_hdrc *ci)
> {
> u32 intr_sts, otg_bsess_vld, port_conn;
> - struct otg_fsm *fsm = &ci->fsm;
> + struct otg_fsm *fsm = &ci->otg.fsm;
>
> intr_sts = hw_read_intr_status(ci);
> otg_bsess_vld = hw_read_otgsc(ci, OTGSC_BSV);
> port_conn = hw_read(ci, OP_PORTSC, PORTSC_CCS);
>
> - switch (ci->fsm.otg->state) {
> + switch (ci->otg.state) {
> case OTG_STATE_A_WAIT_BCON:
> if (port_conn) {
> fsm->b_conn = 1;
> @@ -737,7 +737,7 @@ irqreturn_t ci_otg_fsm_irq(struct ci_hdrc *ci)
> {
> irqreturn_t retval = IRQ_NONE;
> u32 otgsc, otg_int_src = 0;
> - struct otg_fsm *fsm = &ci->fsm;
> + struct otg_fsm *fsm = &ci->otg.fsm;
>
> otgsc = hw_read_otgsc(ci, ~0);
> otg_int_src = otgsc & OTGSC_INT_STATUS_BITS & (otgsc >> 8);
> @@ -800,18 +800,17 @@ int ci_hdrc_otg_fsm_init(struct ci_hdrc *ci)
> ci->otg.usb_phy = ci->usb_phy;
>
> ci->otg.gadget = &ci->gadget;
> - ci->fsm.otg = &ci->otg;
> - ci->fsm.power_up = 1;
> - ci->fsm.id = hw_read_otgsc(ci, OTGSC_ID) ? 1 : 0;
> - ci->fsm.otg->state = OTG_STATE_UNDEFINED;
> - ci->fsm.ops = &ci_otg_ops;
> - ci->fsm.dev = ci->dev;
> + ci->otg.fsm.power_up = 1;
> + ci->otg.fsm.id = hw_read_otgsc(ci, OTGSC_ID) ? 1 : 0;
> + ci->otg.state = OTG_STATE_UNDEFINED;
> + ci->otg.fsm.ops = &ci_otg_ops;
> + ci->otg.fsm.dev = ci->dev;
> ci->gadget.hnp_polling_support = 1;
> - ci->fsm.host_req_flag = devm_kzalloc(ci->dev, 1, GFP_KERNEL);
> - if (!ci->fsm.host_req_flag)
> + ci->otg.fsm.host_req_flag = devm_kzalloc(ci->dev, 1, GFP_KERNEL);
> + if (!ci->otg.fsm.host_req_flag)
> return -ENOMEM;
>
> - mutex_init(&ci->fsm.lock);
> + mutex_init(&ci->otg.fsm.lock);
>
> retval = ci_otg_init_timers(ci);
> if (retval) {
> @@ -831,10 +830,10 @@ int ci_hdrc_otg_fsm_init(struct ci_hdrc *ci)
> /* Enable A vbus valid irq */
> hw_write_otgsc(ci, OTGSC_AVVIE, OTGSC_AVVIE);
>
> - if (ci->fsm.id) {
> - ci->fsm.b_ssend_srp =
> + if (ci->otg.fsm.id) {
> + ci->otg.fsm.b_ssend_srp =
> hw_read_otgsc(ci, OTGSC_BSV) ? 0 : 1;
> - ci->fsm.b_sess_vld =
> + ci->otg.fsm.b_sess_vld =
> hw_read_otgsc(ci, OTGSC_BSV) ? 1 : 0;
> /* Enable BSV irq */
> hw_write_otgsc(ci, OTGSC_BSVIE, OTGSC_BSVIE);
> diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
> index 065f5d9..7a6b0b5 100644
> --- a/drivers/usb/chipidea/udc.c
> +++ b/drivers/usb/chipidea/udc.c
> @@ -20,6 +20,7 @@
> #include <linux/pm_runtime.h>
> #include <linux/usb/ch9.h>
> #include <linux/usb/gadget.h>
> +#include <linux/usb/otg.h>
> #include <linux/usb/otg-fsm.h>
> #include <linux/usb/chipidea.h>
>
> @@ -1739,7 +1740,7 @@ static int ci_udc_start(struct usb_gadget *gadget,
> ci->driver = driver;
>
> /* Start otg fsm for B-device */
> - if (ci_otg_is_fsm_mode(ci) && ci->fsm.id) {
> + if (ci_otg_is_fsm_mode(ci) && ci->otg.fsm.id) {
> ci_hdrc_otg_fsm_start(ci);
> return retval;
> }
> @@ -1767,15 +1768,15 @@ static void ci_udc_stop_for_otg_fsm(struct ci_hdrc *ci)
> if (!ci_otg_is_fsm_mode(ci))
> return;
>
> - mutex_lock(&ci->fsm.lock);
> - if (ci->fsm.otg->state == OTG_STATE_A_PERIPHERAL) {
> - ci->fsm.a_bidl_adis_tmout = 1;
> + mutex_lock(&ci->otg.fsm.lock);
> + if (ci->otg.state == OTG_STATE_A_PERIPHERAL) {
> + ci->otg.fsm.a_bidl_adis_tmout = 1;
> ci_hdrc_otg_fsm_start(ci);
> - } else if (ci->fsm.otg->state == OTG_STATE_B_PERIPHERAL) {
> - ci->fsm.protocol = PROTO_UNDEF;
> - ci->fsm.otg->state = OTG_STATE_UNDEFINED;
> + } else if (ci->otg.state == OTG_STATE_B_PERIPHERAL) {
> + ci->otg.fsm.protocol = PROTO_UNDEF;
> + ci->otg.state = OTG_STATE_UNDEFINED;
> }
> - mutex_unlock(&ci->fsm.lock);
> + mutex_unlock(&ci->otg.fsm.lock);
> }
>
> /**
> diff --git a/drivers/usb/common/usb-otg-fsm.c b/drivers/usb/common/usb-otg-fsm.c
> index c5a61fe..abc462c 100644
> --- a/drivers/usb/common/usb-otg-fsm.c
> +++ b/drivers/usb/common/usb-otg-fsm.c
> @@ -33,6 +33,7 @@
> /* Change USB protocol when there is a protocol change */
> static int otg_set_protocol(struct otg_fsm *fsm, int protocol)
> {
> + struct usb_otg *otg = container_of(fsm, struct usb_otg, fsm);
> int ret = 0;
>
> if (fsm->protocol != protocol) {
> @@ -41,17 +42,17 @@ static int otg_set_protocol(struct otg_fsm *fsm, int protocol)
> fsm->protocol, protocol);
> /* stop old protocol */
> if (fsm->protocol == PROTO_HOST)
> - ret = otg_start_host(fsm, 0);
> + ret = otg_start_host(otg, 0);
> else if (fsm->protocol == PROTO_GADGET)
> - ret = otg_start_gadget(fsm, 0);
> + ret = otg_start_gadget(otg, 0);
> if (ret)
> return ret;
>
> /* start new protocol */
> if (protocol == PROTO_HOST)
> - ret = otg_start_host(fsm, 1);
> + ret = otg_start_host(otg, 1);
> else if (protocol == PROTO_GADGET)
> - ret = otg_start_gadget(fsm, 1);
> + ret = otg_start_gadget(otg, 1);
> if (ret)
> return ret;
>
> @@ -65,9 +66,11 @@ static int otg_set_protocol(struct otg_fsm *fsm, int protocol)
> /* Called when leaving a state. Do state clean up jobs here */
> static void otg_leave_state(struct otg_fsm *fsm, enum usb_otg_state old_state)
> {
> + struct usb_otg *otg = container_of(fsm, struct usb_otg, fsm);
> +
> switch (old_state) {
> case OTG_STATE_B_IDLE:
> - otg_del_timer(fsm, B_SE0_SRP);
> + otg_del_timer(otg, B_SE0_SRP);
> fsm->b_se0_srp = 0;
> fsm->adp_sns = 0;
> fsm->adp_prb = 0;
> @@ -77,11 +80,11 @@ static void otg_leave_state(struct otg_fsm *fsm, enum usb_otg_state old_state)
> fsm->b_srp_done = 0;
> break;
> case OTG_STATE_B_PERIPHERAL:
> - if (fsm->otg->gadget)
> - fsm->otg->gadget->host_request_flag = 0;
> + if (otg->gadget)
> + otg->gadget->host_request_flag = 0;
> break;
> case OTG_STATE_B_WAIT_ACON:
> - otg_del_timer(fsm, B_ASE0_BRST);
> + otg_del_timer(otg, B_ASE0_BRST);
> fsm->b_ase0_brst_tmout = 0;
> break;
> case OTG_STATE_B_HOST:
> @@ -90,31 +93,31 @@ static void otg_leave_state(struct otg_fsm *fsm, enum usb_otg_state old_state)
> fsm->adp_prb = 0;
> break;
> case OTG_STATE_A_WAIT_VRISE:
> - otg_del_timer(fsm, A_WAIT_VRISE);
> + otg_del_timer(otg, A_WAIT_VRISE);
> fsm->a_wait_vrise_tmout = 0;
> break;
> case OTG_STATE_A_WAIT_BCON:
> - otg_del_timer(fsm, A_WAIT_BCON);
> + otg_del_timer(otg, A_WAIT_BCON);
> fsm->a_wait_bcon_tmout = 0;
> break;
> case OTG_STATE_A_HOST:
> - otg_del_timer(fsm, A_WAIT_ENUM);
> + otg_del_timer(otg, A_WAIT_ENUM);
> break;
> case OTG_STATE_A_SUSPEND:
> - otg_del_timer(fsm, A_AIDL_BDIS);
> + otg_del_timer(otg, A_AIDL_BDIS);
> fsm->a_aidl_bdis_tmout = 0;
> fsm->a_suspend_req_inf = 0;
> break;
> case OTG_STATE_A_PERIPHERAL:
> - otg_del_timer(fsm, A_BIDL_ADIS);
> + otg_del_timer(otg, A_BIDL_ADIS);
> fsm->a_bidl_adis_tmout = 0;
> - if (fsm->otg->gadget)
> - fsm->otg->gadget->host_request_flag = 0;
> + if (otg->gadget)
> + otg->gadget->host_request_flag = 0;
> break;
> case OTG_STATE_A_WAIT_VFALL:
> - otg_del_timer(fsm, A_WAIT_VFALL);
> + otg_del_timer(otg, A_WAIT_VFALL);
> fsm->a_wait_vfall_tmout = 0;
> - otg_del_timer(fsm, A_WAIT_VRISE);
> + otg_del_timer(otg, A_WAIT_VRISE);
> break;
> case OTG_STATE_A_VBUS_ERR:
> break;
> @@ -127,17 +130,18 @@ static void otg_hnp_polling_work(struct work_struct *work)
> {
> struct otg_fsm *fsm = container_of(to_delayed_work(work),
> struct otg_fsm, hnp_polling_work);
> + struct usb_otg *otg = container_of(fsm, struct usb_otg, fsm);
> struct usb_device *udev;
> - enum usb_otg_state state = fsm->otg->state;
> + enum usb_otg_state state = otg->state;
> u8 flag;
> int retval;
>
> if (state != OTG_STATE_A_HOST && state != OTG_STATE_B_HOST)
> return;
>
> - udev = usb_hub_find_child(fsm->otg->host->root_hub, 1);
> + udev = usb_hub_find_child(otg->host->root_hub, 1);
> if (!udev) {
> - dev_err(fsm->otg->host->controller,
> + dev_err(otg->host->controller,
> "no usb dev connected, can't start HNP polling\n");
> return;
> }
> @@ -172,7 +176,7 @@ static void otg_hnp_polling_work(struct work_struct *work)
> /* Host request flag is set */
> if (state == OTG_STATE_A_HOST) {
> /* Set b_hnp_enable */
> - if (!fsm->otg->host->b_hnp_enable) {
> + if (!otg->host->b_hnp_enable) {
> retval = usb_control_msg(udev,
> usb_sndctrlpipe(udev, 0),
> USB_REQ_SET_FEATURE, 0,
> @@ -180,14 +184,14 @@ static void otg_hnp_polling_work(struct work_struct *work)
> 0, NULL, 0,
> USB_CTRL_SET_TIMEOUT);
> if (retval >= 0)
> - fsm->otg->host->b_hnp_enable = 1;
> + otg->host->b_hnp_enable = 1;
> }
> fsm->a_bus_req = 0;
> } else if (state == OTG_STATE_B_HOST) {
> fsm->b_bus_req = 0;
> }
>
> - otg_statemachine(fsm);
> + otg_statemachine(otg);
> }
>
> static void otg_start_hnp_polling(struct otg_fsm *fsm)
> @@ -207,133 +211,135 @@ static void otg_start_hnp_polling(struct otg_fsm *fsm)
> /* Called when entering a state */
> static int otg_set_state(struct otg_fsm *fsm, enum usb_otg_state new_state)
> {
> - if (fsm->otg->state == new_state)
> + struct usb_otg *otg = container_of(fsm, struct usb_otg, fsm);
> +
> + if (otg->state == new_state)
> return 0;
> dev_vdbg(fsm->dev, "Set state: %s\n", usb_otg_state_string(new_state));
> - otg_leave_state(fsm, fsm->otg->state);
> + otg_leave_state(fsm, otg->state);
> switch (new_state) {
> case OTG_STATE_B_IDLE:
> - otg_drv_vbus(fsm, 0);
> - otg_chrg_vbus(fsm, 0);
> - otg_loc_conn(fsm, 0);
> - otg_loc_sof(fsm, 0);
> + otg_drv_vbus(otg, 0);
> + otg_chrg_vbus(otg, 0);
> + otg_loc_conn(otg, 0);
> + otg_loc_sof(otg, 0);
> /*
> * Driver is responsible for starting ADP probing
> * if ADP sensing times out.
> */
> - otg_start_adp_sns(fsm);
> + otg_start_adp_sns(otg);
> otg_set_protocol(fsm, PROTO_UNDEF);
> - otg_add_timer(fsm, B_SE0_SRP);
> + otg_add_timer(otg, B_SE0_SRP);
> break;
> case OTG_STATE_B_SRP_INIT:
> - otg_start_pulse(fsm);
> - otg_loc_sof(fsm, 0);
> + otg_start_pulse(otg);
> + otg_loc_sof(otg, 0);
> otg_set_protocol(fsm, PROTO_UNDEF);
> - otg_add_timer(fsm, B_SRP_FAIL);
> + otg_add_timer(otg, B_SRP_FAIL);
> break;
> case OTG_STATE_B_PERIPHERAL:
> - otg_chrg_vbus(fsm, 0);
> - otg_loc_sof(fsm, 0);
> + otg_chrg_vbus(otg, 0);
> + otg_loc_sof(otg, 0);
> otg_set_protocol(fsm, PROTO_GADGET);
> - otg_loc_conn(fsm, 1);
> + otg_loc_conn(otg, 1);
> break;
> case OTG_STATE_B_WAIT_ACON:
> - otg_chrg_vbus(fsm, 0);
> - otg_loc_conn(fsm, 0);
> - otg_loc_sof(fsm, 0);
> + otg_chrg_vbus(otg, 0);
> + otg_loc_conn(otg, 0);
> + otg_loc_sof(otg, 0);
> otg_set_protocol(fsm, PROTO_HOST);
> - otg_add_timer(fsm, B_ASE0_BRST);
> + otg_add_timer(otg, B_ASE0_BRST);
> fsm->a_bus_suspend = 0;
> break;
> case OTG_STATE_B_HOST:
> - otg_chrg_vbus(fsm, 0);
> - otg_loc_conn(fsm, 0);
> - otg_loc_sof(fsm, 1);
> + otg_chrg_vbus(otg, 0);
> + otg_loc_conn(otg, 0);
> + otg_loc_sof(otg, 1);
> otg_set_protocol(fsm, PROTO_HOST);
> - usb_bus_start_enum(fsm->otg->host,
> - fsm->otg->host->otg_port);
> + usb_bus_start_enum(otg->host, otg->host->otg_port);
> otg_start_hnp_polling(fsm);
> break;
> case OTG_STATE_A_IDLE:
> - otg_drv_vbus(fsm, 0);
> - otg_chrg_vbus(fsm, 0);
> - otg_loc_conn(fsm, 0);
> - otg_loc_sof(fsm, 0);
> - otg_start_adp_prb(fsm);
> + otg_drv_vbus(otg, 0);
> + otg_chrg_vbus(otg, 0);
> + otg_loc_conn(otg, 0);
> + otg_loc_sof(otg, 0);
> + otg_start_adp_prb(otg);
> otg_set_protocol(fsm, PROTO_HOST);
> break;
> case OTG_STATE_A_WAIT_VRISE:
> - otg_drv_vbus(fsm, 1);
> - otg_loc_conn(fsm, 0);
> - otg_loc_sof(fsm, 0);
> + otg_drv_vbus(otg, 1);
> + otg_loc_conn(otg, 0);
> + otg_loc_sof(otg, 0);
> otg_set_protocol(fsm, PROTO_HOST);
> - otg_add_timer(fsm, A_WAIT_VRISE);
> + otg_add_timer(otg, A_WAIT_VRISE);
> break;
> case OTG_STATE_A_WAIT_BCON:
> - otg_drv_vbus(fsm, 1);
> - otg_loc_conn(fsm, 0);
> - otg_loc_sof(fsm, 0);
> + otg_drv_vbus(otg, 1);
> + otg_loc_conn(otg, 0);
> + otg_loc_sof(otg, 0);
> otg_set_protocol(fsm, PROTO_HOST);
> - otg_add_timer(fsm, A_WAIT_BCON);
> + otg_add_timer(otg, A_WAIT_BCON);
> break;
> case OTG_STATE_A_HOST:
> - otg_drv_vbus(fsm, 1);
> - otg_loc_conn(fsm, 0);
> - otg_loc_sof(fsm, 1);
> + otg_drv_vbus(otg, 1);
> + otg_loc_conn(otg, 0);
> + otg_loc_sof(otg, 1);
> otg_set_protocol(fsm, PROTO_HOST);
> /*
> * When HNP is triggered while a_bus_req = 0, a_host will
> * suspend too fast to complete a_set_b_hnp_en
> */
> if (!fsm->a_bus_req || fsm->a_suspend_req_inf)
> - otg_add_timer(fsm, A_WAIT_ENUM);
> + otg_add_timer(otg, A_WAIT_ENUM);
> otg_start_hnp_polling(fsm);
> break;
> case OTG_STATE_A_SUSPEND:
> - otg_drv_vbus(fsm, 1);
> - otg_loc_conn(fsm, 0);
> - otg_loc_sof(fsm, 0);
> + otg_drv_vbus(otg, 1);
> + otg_loc_conn(otg, 0);
> + otg_loc_sof(otg, 0);
> otg_set_protocol(fsm, PROTO_HOST);
> - otg_add_timer(fsm, A_AIDL_BDIS);
> + otg_add_timer(otg, A_AIDL_BDIS);
>
> break;
> case OTG_STATE_A_PERIPHERAL:
> - otg_loc_sof(fsm, 0);
> + otg_loc_sof(otg, 0);
> otg_set_protocol(fsm, PROTO_GADGET);
> - otg_drv_vbus(fsm, 1);
> - otg_loc_conn(fsm, 1);
> - otg_add_timer(fsm, A_BIDL_ADIS);
> + otg_drv_vbus(otg, 1);
> + otg_loc_conn(otg, 1);
> + otg_add_timer(otg, A_BIDL_ADIS);
> break;
> case OTG_STATE_A_WAIT_VFALL:
> - otg_drv_vbus(fsm, 0);
> - otg_loc_conn(fsm, 0);
> - otg_loc_sof(fsm, 0);
> + otg_drv_vbus(otg, 0);
> + otg_loc_conn(otg, 0);
> + otg_loc_sof(otg, 0);
> otg_set_protocol(fsm, PROTO_HOST);
> - otg_add_timer(fsm, A_WAIT_VFALL);
> + otg_add_timer(otg, A_WAIT_VFALL);
> break;
> case OTG_STATE_A_VBUS_ERR:
> - otg_drv_vbus(fsm, 0);
> - otg_loc_conn(fsm, 0);
> - otg_loc_sof(fsm, 0);
> + otg_drv_vbus(otg, 0);
> + otg_loc_conn(otg, 0);
> + otg_loc_sof(otg, 0);
> otg_set_protocol(fsm, PROTO_UNDEF);
> break;
> default:
> break;
> }
>
> - fsm->otg->state = new_state;
> + otg->state = new_state;
> fsm->state_changed = 1;
> return 0;
> }
>
> /* State change judgement */
> -int otg_statemachine(struct otg_fsm *fsm)
> +int otg_statemachine(struct usb_otg *otg)
> {
> enum usb_otg_state state;
> + struct otg_fsm *fsm = &otg->fsm;
>
> mutex_lock(&fsm->lock);
>
> - state = fsm->otg->state;
> + state = otg->state;
> fsm->state_changed = 0;
> /* State machine state change judgement */
>
> @@ -348,7 +354,7 @@ int otg_statemachine(struct otg_fsm *fsm)
> case OTG_STATE_B_IDLE:
> if (!fsm->id)
> otg_set_state(fsm, OTG_STATE_A_IDLE);
> - else if (fsm->b_sess_vld && fsm->otg->gadget)
> + else if (fsm->b_sess_vld && otg->gadget)
> otg_set_state(fsm, OTG_STATE_B_PERIPHERAL);
> else if ((fsm->b_bus_req || fsm->adp_change || fsm->power_up) &&
> fsm->b_ssend_srp && fsm->b_se0_srp)
> @@ -361,8 +367,8 @@ int otg_statemachine(struct otg_fsm *fsm)
> case OTG_STATE_B_PERIPHERAL:
> if (!fsm->id || !fsm->b_sess_vld)
> otg_set_state(fsm, OTG_STATE_B_IDLE);
> - else if (fsm->b_bus_req && fsm->otg->
> - gadget->b_hnp_enable && fsm->a_bus_suspend)
> + else if (fsm->b_bus_req && otg->gadget->b_hnp_enable
> + && fsm->a_bus_suspend)
> otg_set_state(fsm, OTG_STATE_B_WAIT_ACON);
> break;
> case OTG_STATE_B_WAIT_ACON:
> @@ -407,7 +413,7 @@ int otg_statemachine(struct otg_fsm *fsm)
> if (fsm->id || fsm->a_bus_drop)
> otg_set_state(fsm, OTG_STATE_A_WAIT_VFALL);
> else if ((!fsm->a_bus_req || fsm->a_suspend_req_inf) &&
> - fsm->otg->host->b_hnp_enable)
> + otg->host->b_hnp_enable)
> otg_set_state(fsm, OTG_STATE_A_SUSPEND);
> else if (!fsm->b_conn)
> otg_set_state(fsm, OTG_STATE_A_WAIT_BCON);
> @@ -415,9 +421,9 @@ int otg_statemachine(struct otg_fsm *fsm)
> otg_set_state(fsm, OTG_STATE_A_VBUS_ERR);
> break;
> case OTG_STATE_A_SUSPEND:
> - if (!fsm->b_conn && fsm->otg->host->b_hnp_enable)
> + if (!fsm->b_conn && otg->host->b_hnp_enable)
> otg_set_state(fsm, OTG_STATE_A_PERIPHERAL);
> - else if (!fsm->b_conn && !fsm->otg->host->b_hnp_enable)
> + else if (!fsm->b_conn && !otg->host->b_hnp_enable)
> otg_set_state(fsm, OTG_STATE_A_WAIT_BCON);
> else if (fsm->a_bus_req || fsm->b_bus_resume)
> otg_set_state(fsm, OTG_STATE_A_HOST);
> diff --git a/drivers/usb/phy/phy-fsl-usb.c b/drivers/usb/phy/phy-fsl-usb.c
> index c57ef5c..a18a2ee 100644
> --- a/drivers/usb/phy/phy-fsl-usb.c
> +++ b/drivers/usb/phy/phy-fsl-usb.c
> @@ -127,7 +127,7 @@ int write_ulpi(u8 addr, u8 data)
> /* Operations that will be called from OTG Finite State Machine */
>
> /* Charge vbus for vbus pulsing in SRP */
> -void fsl_otg_chrg_vbus(struct otg_fsm *fsm, int on)
> +void fsl_otg_chrg_vbus(struct usb_otg *otg, int on)
> {
> u32 tmp;
>
> @@ -163,7 +163,7 @@ void fsl_otg_dischrg_vbus(int on)
> }
>
> /* A-device driver vbus, controlled through PP bit in PORTSC */
> -void fsl_otg_drv_vbus(struct otg_fsm *fsm, int on)
> +void fsl_otg_drv_vbus(struct usb_otg *otg, int on)
> {
> u32 tmp;
>
> @@ -181,7 +181,7 @@ void fsl_otg_drv_vbus(struct otg_fsm *fsm, int on)
> * Pull-up D+, signalling connect by periperal. Also used in
> * data-line pulsing in SRP
> */
> -void fsl_otg_loc_conn(struct otg_fsm *fsm, int on)
> +void fsl_otg_loc_conn(struct usb_otg *otg, int on)
> {
> u32 tmp;
>
> @@ -200,7 +200,7 @@ void fsl_otg_loc_conn(struct otg_fsm *fsm, int on)
> * port. In host mode, controller will automatically send SOF.
> * Suspend will block the data on the port.
> */
> -void fsl_otg_loc_sof(struct otg_fsm *fsm, int on)
> +void fsl_otg_loc_sof(struct usb_otg *otg, int on)
> {
> u32 tmp;
>
> @@ -215,7 +215,7 @@ void fsl_otg_loc_sof(struct otg_fsm *fsm, int on)
> }
>
> /* Start SRP pulsing by data-line pulsing, followed with v-bus pulsing. */
> -void fsl_otg_start_pulse(struct otg_fsm *fsm)
> +void fsl_otg_start_pulse(struct usb_otg *otg)
> {
> u32 tmp;
>
> @@ -228,7 +228,7 @@ void fsl_otg_start_pulse(struct otg_fsm *fsm)
> fsl_otg_loc_conn(1);
> #endif
>
> - fsl_otg_add_timer(fsm, b_data_pulse_tmr);
> + fsl_otg_add_timer(&otg->fsm, b_data_pulse_tmr);
> }
>
> void b_data_pulse_end(unsigned long foo)
> @@ -245,14 +245,14 @@ void b_data_pulse_end(unsigned long foo)
> void fsl_otg_pulse_vbus(void)
> {
> srp_wait_done = 0;
> - fsl_otg_chrg_vbus(&fsl_otg_dev->fsm, 1);
> + fsl_otg_chrg_vbus(&fsl_otg_dev->otg, 1);
> /* start the timer to end vbus charge */
> - fsl_otg_add_timer(&fsl_otg_dev->fsm, b_vbus_pulse_tmr);
> + fsl_otg_add_timer(&fsl_otg_dev->otg.fsm, b_vbus_pulse_tmr);
> }
>
> void b_vbus_pulse_end(unsigned long foo)
> {
> - fsl_otg_chrg_vbus(&fsl_otg_dev->fsm, 0);
> + fsl_otg_chrg_vbus(&fsl_otg_dev->otg, 0);
>
> /*
> * As USB3300 using the same a_sess_vld and b_sess_vld voltage
> @@ -260,7 +260,7 @@ void b_vbus_pulse_end(unsigned long foo)
> * residual voltage of vbus pulsing and A device pull up
> */
> fsl_otg_dischrg_vbus(1);
> - fsl_otg_add_timer(&fsl_otg_dev->fsm, b_srp_wait_tmr);
> + fsl_otg_add_timer(&fsl_otg_dev->otg.fsm, b_srp_wait_tmr);
> }
>
> void b_srp_end(unsigned long foo)
> @@ -269,8 +269,8 @@ void b_srp_end(unsigned long foo)
> srp_wait_done = 1;
>
> if ((fsl_otg_dev->phy.otg->state == OTG_STATE_B_SRP_INIT) &&
> - fsl_otg_dev->fsm.b_sess_vld)
> - fsl_otg_dev->fsm.b_srp_done = 1;
> + fsl_otg_dev->otg.fsm.b_sess_vld)
> + fsl_otg_dev->otg.fsm.b_srp_done = 1;
> }
>
> /*
> @@ -282,9 +282,9 @@ void a_wait_enum(unsigned long foo)
> {
> VDBG("a_wait_enum timeout\n");
> if (!fsl_otg_dev->phy.otg->host->b_hnp_enable)
> - fsl_otg_add_timer(&fsl_otg_dev->fsm, a_wait_enum_tmr);
> + fsl_otg_add_timer(&fsl_otg_dev->otg.fsm, a_wait_enum_tmr);
> else
> - otg_statemachine(&fsl_otg_dev->fsm);
> + otg_statemachine(&fsl_otg_dev->otg);
> }
>
> /* The timeout callback function to set time out bit */
> @@ -421,7 +421,7 @@ void fsl_otg_add_timer(struct otg_fsm *fsm, void *gtimer)
> list_add_tail(&timer->list, &active_timers);
> }
>
> -static void fsl_otg_fsm_add_timer(struct otg_fsm *fsm, enum otg_fsm_timer t)
> +static void fsl_otg_fsm_add_timer(struct usb_otg *otg, enum otg_fsm_timer t)
> {
> struct fsl_otg_timer *timer;
>
> @@ -429,7 +429,7 @@ static void fsl_otg_fsm_add_timer(struct otg_fsm *fsm, enum otg_fsm_timer t)
> if (!timer)
> return;
>
> - fsl_otg_add_timer(fsm, timer);
> + fsl_otg_add_timer(&otg->fsm, timer);
> }
>
> /* Remove timer from the timer list; clear timeout status */
> @@ -443,7 +443,7 @@ void fsl_otg_del_timer(struct otg_fsm *fsm, void *gtimer)
> list_del(&timer->list);
> }
>
> -static void fsl_otg_fsm_del_timer(struct otg_fsm *fsm, enum otg_fsm_timer t)
> +static void fsl_otg_fsm_del_timer(struct usb_otg *otg, enum otg_fsm_timer t)
> {
> struct fsl_otg_timer *timer;
>
> @@ -451,7 +451,7 @@ static void fsl_otg_fsm_del_timer(struct otg_fsm *fsm, enum otg_fsm_timer t)
> if (!timer)
> return;
>
> - fsl_otg_del_timer(fsm, timer);
> + fsl_otg_del_timer(&otg->fsm, timer);
> }
>
> /* Reset controller, not reset the bus */
> @@ -467,9 +467,9 @@ void otg_reset_controller(void)
> }
>
> /* Call suspend/resume routines in host driver */
> -int fsl_otg_start_host(struct otg_fsm *fsm, int on)
> +int fsl_otg_start_host(struct usb_otg *otg, int on)
> {
> - struct usb_otg *otg = fsm->otg;
> + struct otg_fsm *fsm = &otg->fsm;
> struct device *dev;
> struct fsl_otg *otg_dev =
> container_of(otg->usb_phy, struct fsl_otg, phy);
> @@ -496,7 +496,7 @@ int fsl_otg_start_host(struct otg_fsm *fsm, int on)
> retval = dev->driver->pm->resume(dev);
> if (fsm->id) {
> /* default-b */
> - fsl_otg_drv_vbus(fsm, 1);
> + fsl_otg_drv_vbus(otg, 1);
> /*
> * Workaround: b_host can't driver
> * vbus, but PP in PORTSC needs to
> @@ -521,7 +521,7 @@ int fsl_otg_start_host(struct otg_fsm *fsm, int on)
> retval = dev->driver->pm->suspend(dev);
> if (fsm->id)
> /* default-b */
> - fsl_otg_drv_vbus(fsm, 0);
> + fsl_otg_drv_vbus(otg, 0);
> }
> otg_dev->host_working = 0;
> }
> @@ -534,9 +534,8 @@ end:
> * Call suspend and resume function in udc driver
> * to stop and start udc driver.
> */
> -int fsl_otg_start_gadget(struct otg_fsm *fsm, int on)
> +int fsl_otg_start_gadget(struct usb_otg *otg, int on)
> {
> - struct usb_otg *otg = fsm->otg;
> struct device *dev;
>
> if (!otg->gadget || !otg->gadget->dev.parent)
> @@ -573,14 +572,14 @@ static int fsl_otg_set_host(struct usb_otg *otg, struct usb_bus *host)
>
> otg->host = host;
>
> - otg_dev->fsm.a_bus_drop = 0;
> - otg_dev->fsm.a_bus_req = 1;
> + otg->fsm.a_bus_drop = 0;
> + otg->fsm.a_bus_req = 1;
>
> if (host) {
> VDBG("host off......\n");
>
> otg->host->otg_port = fsl_otg_initdata.otg_port;
> - otg->host->is_b_host = otg_dev->fsm.id;
> + otg->host->is_b_host = otg->fsm.id;
> /*
> * must leave time for hub_wq to finish its thing
> * before yanking the host driver out from under it,
> @@ -594,7 +593,7 @@ static int fsl_otg_set_host(struct usb_otg *otg, struct usb_bus *host)
> if (!(fsl_readl(&otg_dev->dr_mem_map->otgsc) &
> OTGSC_STS_USB_ID)) {
> /* Mini-A cable connected */
> - struct otg_fsm *fsm = &otg_dev->fsm;
> + struct otg_fsm *fsm = &otg->fsm;
>
> otg->state = OTG_STATE_UNDEFINED;
> fsm->protocol = PROTO_UNDEF;
> @@ -603,7 +602,7 @@ static int fsl_otg_set_host(struct usb_otg *otg, struct usb_bus *host)
>
> otg_dev->host_working = 0;
>
> - otg_statemachine(&otg_dev->fsm);
> + otg_statemachine(otg);
>
> return 0;
> }
> @@ -628,22 +627,22 @@ static int fsl_otg_set_peripheral(struct usb_otg *otg,
> otg->gadget->ops->vbus_draw(otg->gadget, 0);
> usb_gadget_vbus_disconnect(otg->gadget);
> otg->gadget = 0;
> - otg_dev->fsm.b_bus_req = 0;
> - otg_statemachine(&otg_dev->fsm);
> + otg->fsm.b_bus_req = 0;
> + otg_statemachine(otg);
> return 0;
> }
>
> otg->gadget = gadget;
> - otg->gadget->is_a_peripheral = !otg_dev->fsm.id;
> + otg->gadget->is_a_peripheral = !otg->fsm.id;
>
> - otg_dev->fsm.b_bus_req = 1;
> + otg->fsm.b_bus_req = 1;
>
> /* start the gadget right away if the ID pin says Mini-B */
> - pr_debug("ID pin=%d\n", otg_dev->fsm.id);
> - if (otg_dev->fsm.id == 1) {
> - fsl_otg_start_host(&otg_dev->fsm, 0);
> - otg_drv_vbus(&otg_dev->fsm, 0);
> - fsl_otg_start_gadget(&otg_dev->fsm, 1);
> + pr_debug("ID pin=%d\n", otg->fsm.id);
> + if (otg->fsm.id == 1) {
> + fsl_otg_start_host(otg, 0);
> + otg_drv_vbus(otg, 0);
> + fsl_otg_start_gadget(otg, 1);
> }
>
> return 0;
> @@ -672,13 +671,14 @@ static int fsl_otg_set_power(struct usb_phy *phy, unsigned mA)
> */
> static void fsl_otg_event(struct work_struct *work)
> {
> - struct fsl_otg *og = container_of(work, struct fsl_otg, otg_event.work);
> - struct otg_fsm *fsm = &og->fsm;
> -
> - if (fsm->id) { /* switch to gadget */
> - fsl_otg_start_host(fsm, 0);
> - otg_drv_vbus(fsm, 0);
> - fsl_otg_start_gadget(fsm, 1);
> + struct fsl_otg *fotg = container_of(work, struct fsl_otg,
> + otg_event.work);
> + struct usb_otg *otg = &fotg->otg;
> +
> + if (otg->fsm.id) { /* switch to gadget */
> + fsl_otg_start_host(otg, 0);
> + otg_drv_vbus(otg, 0);
> + fsl_otg_start_gadget(otg, 1);
> }
> }
>
> @@ -694,8 +694,8 @@ static int fsl_otg_start_srp(struct usb_otg *otg)
> if (otg_dev != fsl_otg_dev)
> return -ENODEV;
>
> - otg_dev->fsm.b_bus_req = 1;
> - otg_statemachine(&otg_dev->fsm);
> + otg->fsm.b_bus_req = 1;
> + otg_statemachine(otg);
>
> return 0;
> }
> @@ -715,8 +715,8 @@ static int fsl_otg_start_hnp(struct usb_otg *otg)
> pr_debug("start_hnp...\n");
>
> /* clear a_bus_req to enter a_suspend state */
> - otg_dev->fsm.a_bus_req = 0;
> - otg_statemachine(&otg_dev->fsm);
> + otg->fsm.a_bus_req = 0;
> + otg_statemachine(otg);
>
> return 0;
> }
> @@ -729,8 +729,8 @@ static int fsl_otg_start_hnp(struct usb_otg *otg)
> */
> irqreturn_t fsl_otg_isr(int irq, void *dev_id)
> {
> - struct otg_fsm *fsm = &((struct fsl_otg *)dev_id)->fsm;
> - struct usb_otg *otg = ((struct fsl_otg *)dev_id)->phy.otg;
> + struct usb_otg *otg = &((struct fsl_otg *)dev_id)->otg;
> + struct otg_fsm *fsm = &otg->fsm;
> u32 otg_int_src, otg_sc;
>
> otg_sc = fsl_readl(&usb_dr_regs->otgsc);
> @@ -768,9 +768,9 @@ irqreturn_t fsl_otg_isr(int irq, void *dev_id)
> cancel_delayed_work(&
> ((struct fsl_otg *)dev_id)->
> otg_event);
> - fsl_otg_start_gadget(fsm, 0);
> - otg_drv_vbus(fsm, 1);
> - fsl_otg_start_host(fsm, 1);
> + fsl_otg_start_gadget(otg, 0);
> + otg_drv_vbus(otg, 1);
> + fsl_otg_start_host(otg, 1);
> }
> return IRQ_HANDLED;
> }
> @@ -806,25 +806,21 @@ static int fsl_otg_conf(struct platform_device *pdev)
> if (!fsl_otg_tc)
> return -ENOMEM;
>
> - fsl_otg_tc->phy.otg = kzalloc(sizeof(struct usb_otg), GFP_KERNEL);
> - if (!fsl_otg_tc->phy.otg) {
> - kfree(fsl_otg_tc);
> - return -ENOMEM;
> - }
> + fsl_otg_tc->phy.otg = &fsl_otg_tc->otg;
>
> INIT_DELAYED_WORK(&fsl_otg_tc->otg_event, fsl_otg_event);
>
> INIT_LIST_HEAD(&active_timers);
> - status = fsl_otg_init_timers(&fsl_otg_tc->fsm);
> + status = fsl_otg_init_timers(&fsl_otg_tc->otg.fsm);
> if (status) {
> pr_info("Couldn't init OTG timers\n");
> goto err;
> }
> - mutex_init(&fsl_otg_tc->fsm.lock);
> + mutex_init(&fsl_otg_tc->otg.fsm.lock);
>
> /* Set OTG state machine operations */
> - fsl_otg_tc->fsm.ops = &fsl_otg_ops;
> - fsl_otg_tc->fsm.dev = &pdev->dev;
> + fsl_otg_tc->otg.fsm.ops = &fsl_otg_ops;
> + fsl_otg_tc->otg.fsm.dev = &pdev->dev;
>
> /* initialize the otg structure */
> fsl_otg_tc->phy.label = DRIVER_DESC;
> @@ -859,18 +855,15 @@ int usb_otg_start(struct platform_device *pdev)
> {
> struct fsl_otg *p_otg;
> struct usb_phy *otg_trans = usb_get_phy(USB_PHY_TYPE_USB2);
> - struct otg_fsm *fsm;
> int status;
> struct resource *res;
> u32 temp;
> struct fsl_usb2_platform_data *pdata = dev_get_platdata(&pdev->dev);
>
> p_otg = container_of(otg_trans, struct fsl_otg, phy);
> - fsm = &p_otg->fsm;
>
> /* Initialize the state machine structure with default values */
> SET_OTG_STATE(otg_trans, OTG_STATE_UNDEFINED);
> - fsm->otg = p_otg->phy.otg;
>
> /* We don't require predefined MEM/IRQ resource index */
> res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> @@ -964,13 +957,13 @@ int usb_otg_start(struct platform_device *pdev)
> */
> if (fsl_readl(&p_otg->dr_mem_map->otgsc) & OTGSC_STS_USB_ID) {
> p_otg->phy.otg->state = OTG_STATE_UNDEFINED;
> - p_otg->fsm.id = 1;
> + p_otg->otg.fsm.id = 1;
> } else {
> p_otg->phy.otg->state = OTG_STATE_A_IDLE;
> - p_otg->fsm.id = 0;
> + p_otg->otg.fsm.id = 0;
> }
>
> - pr_debug("initial ID pin=%d\n", p_otg->fsm.id);
> + pr_debug("initial ID pin=%d\n", p_otg->otg.fsm.id);
>
> /* enable OTG ID pin interrupt */
> temp = fsl_readl(&p_otg->dr_mem_map->otgsc);
> @@ -987,7 +980,7 @@ int usb_otg_start(struct platform_device *pdev)
> static int show_fsl_usb2_otg_state(struct device *dev,
> struct device_attribute *attr, char *buf)
> {
> - struct otg_fsm *fsm = &fsl_otg_dev->fsm;
> + struct otg_fsm *fsm = &fsl_otg_dev->otg.fsm;
> char *next = buf;
> unsigned size = PAGE_SIZE;
> int t;
> @@ -1085,26 +1078,26 @@ static long fsl_otg_ioctl(struct file *file, unsigned int cmd,
> break;
>
> case SET_A_SUSPEND_REQ:
> - fsl_otg_dev->fsm.a_suspend_req_inf = arg;
> + fsl_otg_dev->otg.fsm.a_suspend_req_inf = arg;
> break;
>
> case SET_A_BUS_DROP:
> - fsl_otg_dev->fsm.a_bus_drop = arg;
> + fsl_otg_dev->otg.fsm.a_bus_drop = arg;
> break;
>
> case SET_A_BUS_REQ:
> - fsl_otg_dev->fsm.a_bus_req = arg;
> + fsl_otg_dev->otg.fsm.a_bus_req = arg;
> break;
>
> case SET_B_BUS_REQ:
> - fsl_otg_dev->fsm.b_bus_req = arg;
> + fsl_otg_dev->otg.fsm.b_bus_req = arg;
> break;
>
> default:
> break;
> }
>
> - otg_statemachine(&fsl_otg_dev->fsm);
> + otg_statemachine(&fsl_otg_dev->otg);
>
> return retval;
> }
> diff --git a/drivers/usb/phy/phy-fsl-usb.h b/drivers/usb/phy/phy-fsl-usb.h
> index 2314995..e207cfb 100644
> --- a/drivers/usb/phy/phy-fsl-usb.h
> +++ b/drivers/usb/phy/phy-fsl-usb.h
> @@ -15,7 +15,6 @@
> * 675 Mass Ave, Cambridge, MA 02139, USA.
> */
>
> -#include <linux/usb/otg-fsm.h>
> #include <linux/usb/otg.h>
> #include <linux/ioctl.h>
>
> @@ -370,7 +369,7 @@ inline struct fsl_otg_timer *otg_timer_initializer
>
> struct fsl_otg {
> struct usb_phy phy;
> - struct otg_fsm fsm;
> + struct usb_otg otg;
> struct usb_dr_mmap *dr_mem_map;
> struct delayed_work otg_event;
>
> diff --git a/include/linux/usb/otg-fsm.h b/include/linux/usb/otg-fsm.h
> index 47b8392..36f0cf9 100644
> --- a/include/linux/usb/otg-fsm.h
> +++ b/include/linux/usb/otg-fsm.h
> @@ -189,7 +189,6 @@ struct otg_fsm {
> int a_bidl_adis_tmout;
>
> struct otg_fsm_ops *ops;
> - struct usb_otg *otg;
>
> /* Current usb protocol used: 0:undefine; 1:host; 2:client */
> int protocol;
> @@ -202,126 +201,23 @@ struct otg_fsm {
> struct device *dev;
> };
>
> +struct usb_otg;
> +
> struct otg_fsm_ops {
> - void (*chrg_vbus)(struct otg_fsm *fsm, int on);
> - void (*drv_vbus)(struct otg_fsm *fsm, int on);
> - void (*loc_conn)(struct otg_fsm *fsm, int on);
> - void (*loc_sof)(struct otg_fsm *fsm, int on);
> - void (*start_pulse)(struct otg_fsm *fsm);
> - void (*start_adp_prb)(struct otg_fsm *fsm);
> - void (*start_adp_sns)(struct otg_fsm *fsm);
> - void (*add_timer)(struct otg_fsm *fsm, enum otg_fsm_timer timer);
> - void (*del_timer)(struct otg_fsm *fsm, enum otg_fsm_timer timer);
> - int (*start_host)(struct otg_fsm *fsm, int on);
> - int (*start_gadget)(struct otg_fsm *fsm, int on);
> + void (*chrg_vbus)(struct usb_otg *otg, int on);
> + void (*drv_vbus)(struct usb_otg *otg, int on);
> + void (*loc_conn)(struct usb_otg *otg, int on);
> + void (*loc_sof)(struct usb_otg *otg, int on);
> + void (*start_pulse)(struct usb_otg *otg);
> + void (*start_adp_prb)(struct usb_otg *otg);
> + void (*start_adp_sns)(struct usb_otg *otg);
> + void (*add_timer)(struct usb_otg *otg, enum otg_fsm_timer timer);
> + void (*del_timer)(struct usb_otg *otg, enum otg_fsm_timer timer);
> + int (*start_host)(struct usb_otg *otg, int on);
> + int (*start_gadget)(struct usb_otg *otg, int on);
> };
>
>
> -static inline int otg_chrg_vbus(struct otg_fsm *fsm, int on)
> -{
> - if (!fsm->ops->chrg_vbus)
> - return -EOPNOTSUPP;
> - fsm->ops->chrg_vbus(fsm, on);
> - return 0;
> -}
> -
> -static inline int otg_drv_vbus(struct otg_fsm *fsm, int on)
> -{
> - if (!fsm->ops->drv_vbus)
> - return -EOPNOTSUPP;
> - if (fsm->drv_vbus != on) {
> - fsm->drv_vbus = on;
> - fsm->ops->drv_vbus(fsm, on);
> - }
> - return 0;
> -}
> -
> -static inline int otg_loc_conn(struct otg_fsm *fsm, int on)
> -{
> - if (!fsm->ops->loc_conn)
> - return -EOPNOTSUPP;
> - if (fsm->loc_conn != on) {
> - fsm->loc_conn = on;
> - fsm->ops->loc_conn(fsm, on);
> - }
> - return 0;
> -}
> -
> -static inline int otg_loc_sof(struct otg_fsm *fsm, int on)
> -{
> - if (!fsm->ops->loc_sof)
> - return -EOPNOTSUPP;
> - if (fsm->loc_sof != on) {
> - fsm->loc_sof = on;
> - fsm->ops->loc_sof(fsm, on);
> - }
> - return 0;
> -}
> -
> -static inline int otg_start_pulse(struct otg_fsm *fsm)
> -{
> - if (!fsm->ops->start_pulse)
> - return -EOPNOTSUPP;
> - if (!fsm->data_pulse) {
> - fsm->data_pulse = 1;
> - fsm->ops->start_pulse(fsm);
> - }
> - return 0;
> -}
> -
> -static inline int otg_start_adp_prb(struct otg_fsm *fsm)
> -{
> - if (!fsm->ops->start_adp_prb)
> - return -EOPNOTSUPP;
> - if (!fsm->adp_prb) {
> - fsm->adp_sns = 0;
> - fsm->adp_prb = 1;
> - fsm->ops->start_adp_prb(fsm);
> - }
> - return 0;
> -}
> -
> -static inline int otg_start_adp_sns(struct otg_fsm *fsm)
> -{
> - if (!fsm->ops->start_adp_sns)
> - return -EOPNOTSUPP;
> - if (!fsm->adp_sns) {
> - fsm->adp_sns = 1;
> - fsm->ops->start_adp_sns(fsm);
> - }
> - return 0;
> -}
> -
> -static inline int otg_add_timer(struct otg_fsm *fsm, enum otg_fsm_timer timer)
> -{
> - if (!fsm->ops->add_timer)
> - return -EOPNOTSUPP;
> - fsm->ops->add_timer(fsm, timer);
> - return 0;
> -}
> -
> -static inline int otg_del_timer(struct otg_fsm *fsm, enum otg_fsm_timer timer)
> -{
> - if (!fsm->ops->del_timer)
> - return -EOPNOTSUPP;
> - fsm->ops->del_timer(fsm, timer);
> - return 0;
> -}
> -
> -static inline int otg_start_host(struct otg_fsm *fsm, int on)
> -{
> - if (!fsm->ops->start_host)
> - return -EOPNOTSUPP;
> - return fsm->ops->start_host(fsm, on);
> -}
> -
> -static inline int otg_start_gadget(struct otg_fsm *fsm, int on)
> -{
> - if (!fsm->ops->start_gadget)
> - return -EOPNOTSUPP;
> - return fsm->ops->start_gadget(fsm, on);
> -}
> -
> -int otg_statemachine(struct otg_fsm *fsm);
> +int otg_statemachine(struct usb_otg *otg);
>
> #endif /* __LINUX_USB_OTG_FSM_H */
> diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h
> index 67929df..e8a14dc 100644
> --- a/include/linux/usb/otg.h
> +++ b/include/linux/usb/otg.h
> @@ -11,6 +11,7 @@
>
> #include <linux/phy/phy.h>
> #include <linux/usb/phy.h>
> +#include <linux/usb/otg-fsm.h>
>
> struct usb_otg {
> u8 default_a;
> @@ -22,6 +23,7 @@ struct usb_otg {
> struct usb_gadget *gadget;
>
> enum usb_otg_state state;
> + struct otg_fsm fsm;
>
> /* bind/unbind the host controller */
> int (*set_host)(struct usb_otg *otg, struct usb_bus *host);
> @@ -128,4 +130,109 @@ enum usb_dr_mode {
> */
> extern enum usb_dr_mode usb_get_dr_mode(struct device *dev);
>
> +static inline int otg_chrg_vbus(struct usb_otg *otg, int on)
> +{
> + if (!otg->fsm.ops->chrg_vbus)
> + return -EOPNOTSUPP;
> + otg->fsm.ops->chrg_vbus(otg, on);
> + return 0;
> +}
> +
> +static inline int otg_drv_vbus(struct usb_otg *otg, int on)
> +{
> + if (!otg->fsm.ops->drv_vbus)
> + return -EOPNOTSUPP;
> + if (otg->fsm.drv_vbus != on) {
> + otg->fsm.drv_vbus = on;
> + otg->fsm.ops->drv_vbus(otg, on);
> + }
> + return 0;
> +}
> +
> +static inline int otg_loc_conn(struct usb_otg *otg, int on)
> +{
> + if (!otg->fsm.ops->loc_conn)
> + return -EOPNOTSUPP;
> + if (otg->fsm.loc_conn != on) {
> + otg->fsm.loc_conn = on;
> + otg->fsm.ops->loc_conn(otg, on);
> + }
> + return 0;
> +}
> +
> +static inline int otg_loc_sof(struct usb_otg *otg, int on)
> +{
> + if (!otg->fsm.ops->loc_sof)
> + return -EOPNOTSUPP;
> + if (otg->fsm.loc_sof != on) {
> + otg->fsm.loc_sof = on;
> + otg->fsm.ops->loc_sof(otg, on);
> + }
> + return 0;
> +}
> +
> +static inline int otg_start_pulse(struct usb_otg *otg)
> +{
> + if (!otg->fsm.ops->start_pulse)
> + return -EOPNOTSUPP;
> + if (!otg->fsm.data_pulse) {
> + otg->fsm.data_pulse = 1;
> + otg->fsm.ops->start_pulse(otg);
> + }
> + return 0;
> +}
> +
> +static inline int otg_start_adp_prb(struct usb_otg *otg)
> +{
> + if (!otg->fsm.ops->start_adp_prb)
> + return -EOPNOTSUPP;
> + if (!otg->fsm.adp_prb) {
> + otg->fsm.adp_sns = 0;
> + otg->fsm.adp_prb = 1;
> + otg->fsm.ops->start_adp_prb(otg);
> + }
> + return 0;
> +}
> +
> +static inline int otg_start_adp_sns(struct usb_otg *otg)
> +{
> + if (!otg->fsm.ops->start_adp_sns)
> + return -EOPNOTSUPP;
> + if (!otg->fsm.adp_sns) {
> + otg->fsm.adp_sns = 1;
> + otg->fsm.ops->start_adp_sns(otg);
> + }
> + return 0;
> +}
> +
> +static inline int otg_add_timer(struct usb_otg *otg, enum otg_fsm_timer timer)
> +{
> + if (!otg->fsm.ops->add_timer)
> + return -EOPNOTSUPP;
> + otg->fsm.ops->add_timer(otg, timer);
> + return 0;
> +}
> +
> +static inline int otg_del_timer(struct usb_otg *otg, enum otg_fsm_timer timer)
> +{
> + if (!otg->fsm.ops->del_timer)
> + return -EOPNOTSUPP;
> + otg->fsm.ops->del_timer(otg, timer);
> + return 0;
> +}
> +
> +static inline int otg_start_host(struct usb_otg *otg, int on)
> +{
> + if (!otg->fsm.ops->start_host)
> + return -EOPNOTSUPP;
> + return otg->fsm.ops->start_host(otg, on);
> +}
> +
> +static inline int otg_start_gadget(struct usb_otg *otg, int on)
> +{
> + if (!otg->fsm.ops->start_gadget)
> + return -EOPNOTSUPP;
> + return otg->fsm.ops->start_gadget(otg, on);
> +}
> +
> #endif /* __LINUX_USB_OTG_H */
> --
> 2.5.0
>
> --
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--
Best Regards,
Peter Chen
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