USB: phy: msm: Remove mhl detection related code (8f8f0cfc) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/usb/phy/phy-msm-usb.c

+0 −162

Original line number	Diff line number	Diff line
		@@ -116,13 +116,11 @@ MODULE_PARM_DESC(dcp_max_current, "max current drawn for DCP charger");
		static DECLARE_COMPLETION(pmic_vbus_init);
		static struct msm_otg *the_msm_otg;
		static bool debug_bus_voting_enabled;
		static bool mhl_det_in_progress;

		static struct regulator *hsusb_3p3;
		static struct regulator *hsusb_1p8;
		static struct regulator *hsusb_vdd;
		static struct regulator *vbus_otg;
		static struct regulator *mhl_usb_hs_switch;
		static struct power_supply *psy;

		static int vdd_val[VDD_VAL_MAX];
		@@ -361,26 +359,6 @@ static int msm_hsusb_ldo_enable(struct msm_otg *motg,
		return ret < 0 ? ret : 0;
		}

		static void msm_hsusb_mhl_switch_enable(struct msm_otg *motg, bool on)
		{
		struct msm_otg_platform_data *pdata = motg->pdata;

		if (!pdata->mhl_enable)
		return;

		if (!mhl_usb_hs_switch) {
		pr_err("%s: mhl_usb_hs_switch is NULL.\n", __func__);
		return;
		}

		if (on) {
		if (regulator_enable(mhl_usb_hs_switch))
		pr_err("unable to enable mhl_usb_hs_switch\n");
		} else {
		regulator_disable(mhl_usb_hs_switch);
		}
		}

		static int ulpi_read(struct usb_phy *phy, u32 reg)
		{
		struct msm_otg *motg = container_of(phy, struct msm_otg, phy);
		@@ -1443,7 +1421,6 @@ phcd_retry:
		if (motg->lpm_flags & PHY_RETENTIONED \|\|
		(motg->caps & ALLOW_VDD_MIN_WITH_RETENTION_DISABLED)) {
		msm_hsusb_config_vddcx(0);
		msm_hsusb_mhl_switch_enable(motg, 0);
		}

		if (device_may_wakeup(phy->dev)) {
		@@ -1568,7 +1545,6 @@ static int msm_otg_resume(struct msm_otg *motg)

		if (motg->lpm_flags & PHY_RETENTIONED \|\|
		(motg->caps & ALLOW_VDD_MIN_WITH_RETENTION_DISABLED)) {
		msm_hsusb_mhl_switch_enable(motg, 1);
		msm_hsusb_config_vddcx(1);
		msm_otg_disable_phy_hv_int(motg);
		msm_otg_exit_phy_retention(motg);
		@@ -2151,104 +2127,6 @@ static bool msm_otg_read_phy_id_state(struct msm_otg *motg)
		return true;
		}

		static int msm_otg_mhl_register_callback(struct msm_otg *motg,
		void (*callback)(int on))
		{
		struct usb_phy *phy = &motg->phy;
		int ret;

		if (!motg->pdata->mhl_enable) {
		dev_dbg(phy->dev, "MHL feature not enabled\n");
		return -ENODEV;
		}

		if (motg->pdata->otg_control != OTG_PMIC_CONTROL \|\|
		!motg->pdata->pmic_id_irq) {
		dev_dbg(phy->dev, "MHL can not be supported without PMIC Id\n");
		return -ENODEV;
		}

		if (!motg->pdata->mhl_dev_name) {
		dev_dbg(phy->dev, "MHL device name does not exist.\n");
		return -ENODEV;
		}

		if (callback)
		ret = mhl_register_callback(motg->pdata->mhl_dev_name,
		callback);
		else
		ret = mhl_unregister_callback(motg->pdata->mhl_dev_name);

		if (ret)
		dev_dbg(phy->dev, "mhl_register_callback(%s) return error=%d\n",
		motg->pdata->mhl_dev_name, ret);
		else
		motg->mhl_enabled = true;

		return ret;
		}

		static void msm_otg_mhl_notify_online(int on)
		{
		struct msm_otg *motg = the_msm_otg;
		struct usb_phy *phy = &motg->phy;
		bool queue = false;

		dev_dbg(phy->dev, "notify MHL %s%s\n", on ? "" : "dis", "connected");

		if (on) {
		set_bit(MHL, &motg->inputs);
		} else {
		clear_bit(MHL, &motg->inputs);
		queue = true;
		}

		if (queue && phy->state != OTG_STATE_UNDEFINED)
		schedule_work(&motg->sm_work);
		}

		static bool msm_otg_is_mhl(struct msm_otg *motg)
		{
		struct usb_phy *phy = &motg->phy;
		int is_mhl, ret;

		ret = mhl_device_discovery(motg->pdata->mhl_dev_name, &is_mhl);
		if (ret \|\| is_mhl != MHL_DISCOVERY_RESULT_MHL) {
		/*
		* MHL driver calls our callback saying that MHL connected
		* if RID_GND is detected. But at later part of discovery
		* it may figure out MHL is not connected and returns
		* false. Hence clear MHL input here.
		*/
		clear_bit(MHL, &motg->inputs);
		dev_dbg(phy->dev, "MHL device not found\n");
		return false;
		}

		set_bit(MHL, &motg->inputs);
		dev_dbg(phy->dev, "MHL device found\n");
		return true;
		}

		static bool msm_chg_mhl_detect(struct msm_otg *motg)
		{
		bool ret, id;

		if (!motg->mhl_enabled)
		return false;

		id = msm_otg_read_pmic_id_state(motg);

		if (id)
		return false;

		mhl_det_in_progress = true;
		ret = msm_otg_is_mhl(motg);
		mhl_det_in_progress = false;

		return ret;
		}

		static void msm_otg_chg_check_timer_func(unsigned long data)
		{
		struct msm_otg motg = (struct msm_otg ) data;
		@@ -2516,13 +2394,6 @@ static void msm_chg_detect_work(struct work_struct *w)
		delay = MSM_CHG_DCD_POLL_TIME;
		break;
		case USB_CHG_STATE_WAIT_FOR_DCD:
		if (msm_chg_mhl_detect(motg)) {
		msm_chg_block_off(motg);
		motg->chg_state = USB_CHG_STATE_DETECTED;
		motg->chg_type = USB_INVALID_CHARGER;
		queue_work(motg->otg_wq, &motg->sm_work);
		return;
		}
		is_dcd = msm_chg_check_dcd(motg);
		motg->dcd_time += MSM_CHG_DCD_POLL_TIME;
		tmout = motg->dcd_time >= MSM_CHG_DCD_TIMEOUT;
		@@ -2805,10 +2676,6 @@ static void msm_otg_sm_work(struct work_struct *w)
		pr_debug("!id\n");
		msm_otg_dbg_log_event(&motg->phy, "!ID",
		motg->inputs, otg->phy->state);
		if (msm_chg_mhl_detect(motg)) {
		work = 1;
		break;
		}
		/* disable BSV bit */
		writel_relaxed(readl_relaxed(USB_OTGSC) & ~OTGSC_BSVIE,
		USB_OTGSC);
		@@ -3088,12 +2955,6 @@ static void msm_otg_set_vbus_state(int online)
		}

		out:
		if (test_bit(MHL, &motg->inputs) \|\|
		mhl_det_in_progress) {
		pr_debug("PMIC: BSV interrupt ignored in MHL\n");
		return;
		}

		if (motg->is_ext_chg_dcp) {
		if (test_bit(B_SESS_VLD, &motg->inputs)) {
		msm_otg_notify_charger(motg, IDEV_CHG_MAX);
		@@ -3172,12 +3033,6 @@ static irqreturn_t msm_id_irq(int irq, void *data)
		{
		struct msm_otg *motg = data;

		if (test_bit(MHL, &motg->inputs) \|\|
		mhl_det_in_progress) {
		pr_debug("PMIC: Id interrupt ignored in MHL\n");
		return IRQ_HANDLED;
		}

		/schedule delayed work for 5msec for ID line state to settle/
		queue_delayed_work(motg->otg_wq, &motg->id_status_work,
		msecs_to_jiffies(MSM_ID_STATUS_DELAY));
		@@ -4611,16 +4466,6 @@ static int msm_otg_probe(struct platform_device *pdev)
		motg->phy_pinctrl = NULL;
		}

		if (pdata->mhl_enable) {
		mhl_usb_hs_switch = devm_regulator_get(motg->phy.dev,
		"mhl_usb_hs_switch");
		if (IS_ERR(mhl_usb_hs_switch)) {
		dev_err(&pdev->dev, "Unable to get mhl_usb_hs_switch\n");
		ret = PTR_ERR(mhl_usb_hs_switch);
		goto free_ldo_init;
		}
		}

		ret = msm_hsusb_ldo_enable(motg, USB_PHY_REG_ON);
		if (ret) {
		dev_err(&pdev->dev, "hsusb vreg enable failed\n");
		@@ -4637,9 +4482,6 @@ static int msm_otg_probe(struct platform_device *pdev)
		mb();

		motg->id_state = USB_ID_FLOAT;
		ret = msm_otg_mhl_register_callback(motg, msm_otg_mhl_notify_online);
		if (ret)
		dev_dbg(&pdev->dev, "MHL can not be supported\n");
		wake_lock_init(&motg->wlock, WAKE_LOCK_SUSPEND, "msm_otg");
		INIT_WORK(&motg->sm_work, msm_otg_sm_work);
		INIT_DELAYED_WORK(&motg->chg_work, msm_chg_detect_work);
		@@ -4801,8 +4643,6 @@ static int msm_otg_probe(struct platform_device *pdev)
		}
		}

		msm_hsusb_mhl_switch_enable(motg, 1);

		platform_set_drvdata(pdev, motg);
		device_init_wakeup(&pdev->dev, 1);

		@@ -4976,7 +4816,6 @@ static int msm_otg_remove(struct platform_device *pdev)
		msm_otg_setup_devices(pdev, motg->pdata->mode, false);
		if (psy)
		power_supply_unregister(psy);
		msm_otg_mhl_register_callback(motg, NULL);
		msm_otg_debugfs_cleanup();
		cancel_delayed_work_sync(&motg->chg_work);
		cancel_delayed_work_sync(&motg->id_status_work);
		@@ -4990,7 +4829,6 @@ static int msm_otg_remove(struct platform_device *pdev)
		pm_runtime_disable(&pdev->dev);
		wake_lock_destroy(&motg->wlock);

		msm_hsusb_mhl_switch_enable(motg, 0);
		if (motg->phy_irq)
		free_irq(motg->phy_irq, motg);
		if (motg->pdata->pmic_id_irq)