static void smd_tty_port_shutdown(struct tty_port *tport)
{
struct smd_tty_info *info;
struct tty_struct *tty = tty_port_tty_get(tport);
unsigned long flags;
#ifdef CONFIG_LGE_USES_SMD_DS_TTY
int res = 0;
#endif
info = tty->driver_data;
if (info == 0) {
tty_kref_put(tty);
return;
}
mutex_lock(&info->open_lock_lha1);
spin_lock_irqsave(&info->reset_lock_lha2, flags);
info->is_open = 0;
spin_unlock_irqrestore(&info->reset_lock_lha2, flags);
tasklet_kill(&info->tty_tsklt);
wakeup_source_trash(&info->pending_ws);
wakeup_source_trash(&info->ra_wakeup_source);
SMD_TTY_INFO("%s with PID %u closed port %s",
current->comm, current->pid,
info->ch_name);
tty->driver_data = NULL;
del_timer(&info->buf_req_timer);
smd_close(info->ch);
#ifdef CONFIG_LGE_USES_SMD_DS_TTY
/*
*/
pr_info("%s: waiting to close smd %s completely\n",
__func__, info->ch_name);
/* wait for reopen ready status in seconds */
res = wait_event_interruptible_timeout(
info->ch_opened_wait_queue,
!info->is_open, (lge_ds_modem_wait * HZ));
if (res == 0) {
/* just in case, remain result value */
res = -ETIMEDOUT;
pr_err("%s: timeout to wait for %s smd_close.\
next smd_open may fail....%d\n",
__func__, info->ch_name, res);
}
static int __devexit pm80x_onkey_remove(struct platform_device *pdev)
{
struct pm80x_onkey_info *info = platform_get_drvdata(pdev);
device_init_wakeup(&pdev->dev, 0);
pm80x_free_irq(info->pm80x, info->irq, info);
input_unregister_device(info->idev);
kfree(info);
#ifdef CONFIG_FAKE_SYSTEMOFF
wakeup_source_trash(&suspend_longkey_lock);
#endif
return 0;
}
static int mxhci_hsic_remove(struct platform_device *pdev)
{
struct usb_hcd *hcd = platform_get_drvdata(pdev);
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
struct mxhci_hsic_hcd *mxhci = hcd_to_hsic(hcd);
u32 reg;
/* disable STROBE_PAD_CTL */
reg = readl_relaxed(TLMM_GPIO_HSIC_STROBE_PAD_CTL);
writel_relaxed(reg & 0xfdffffff, TLMM_GPIO_HSIC_STROBE_PAD_CTL);
/* disable DATA_PAD_CTL */
reg = readl_relaxed(TLMM_GPIO_HSIC_DATA_PAD_CTL);
writel_relaxed(reg & 0xfdffffff, TLMM_GPIO_HSIC_DATA_PAD_CTL);
mb();
device_remove_file(&pdev->dev, &dev_attr_config_imod);
/* If the device was removed no need to call pm_runtime_disable */
if (pdev->dev.power.power_state.event != PM_EVENT_INVALID)
pm_runtime_disable(&pdev->dev);
pm_runtime_set_suspended(&pdev->dev);
usb_remove_hcd(xhci->shared_hcd);
usb_put_hcd(xhci->shared_hcd);
usb_remove_hcd(hcd);
if (mxhci->wakeup_irq_enabled)
disable_irq_wake(mxhci->wakeup_irq);
mxhci->bus_vote = false;
cancel_work_sync(&mxhci->bus_vote_w);
if (mxhci->bus_perf_client)
msm_bus_scale_unregister_client(mxhci->bus_perf_client);
destroy_workqueue(mxhci->wq);
device_init_wakeup(&pdev->dev, 0);
mxhci_hsic_init_vddcx(mxhci, 0);
mxhci_hsic_init_clocks(mxhci, 0);
mxhci_msm_config_gdsc(mxhci, 0);
wakeup_source_trash(&mxhci->ws);
usb_put_hcd(hcd);
return 0;
}
static int ehci_msm2_remove(struct platform_device *pdev)
{
struct usb_hcd *hcd = platform_get_drvdata(pdev);
struct msm_hcd *mhcd = hcd_to_mhcd(hcd);
if (mhcd->pmic_gpio_dp_irq) {
if (mhcd->pmic_gpio_dp_irq_enabled)
disable_irq_wake(mhcd->pmic_gpio_dp_irq);
free_irq(mhcd->pmic_gpio_dp_irq, mhcd);
}
if (mhcd->async_irq) {
if (mhcd->async_irq_enabled)
disable_irq_wake(mhcd->async_irq);
free_irq(mhcd->async_irq, mhcd);
}
if (mhcd->wakeup_irq) {
if (mhcd->wakeup_irq_enabled)
disable_irq_wake(mhcd->wakeup_irq);
free_irq(mhcd->wakeup_irq, mhcd);
}
device_init_wakeup(&pdev->dev, 0);
pm_runtime_set_suspended(&pdev->dev);
usb_remove_hcd(hcd);
if (mhcd->xo_clk) {
clk_disable_unprepare(mhcd->xo_clk);
clk_put(mhcd->xo_clk);
} else {
msm_xo_put(mhcd->xo_handle);
}
msm_ehci_vbus_power(mhcd, 0);
msm_ehci_init_vbus(mhcd, 0);
msm_ehci_ldo_enable(mhcd, 0);
msm_ehci_ldo_init(mhcd, 0);
msm_ehci_init_vddcx(mhcd, 0);
msm_ehci_init_clocks(mhcd, 0);
wakeup_source_trash(&mhcd->ws);
iounmap(hcd->regs);
usb_put_hcd(hcd);
#if defined(CONFIG_DEBUG_FS)
debugfs_remove_recursive(dent_ehci);
#endif
return 0;
}
/* acipc_exit used to unregister interrupt call-back function */
void acipc_exit(void)
{
acipc_event_unbind(ACIPC_PORT_FLOWCONTROL);
acipc_event_unbind(ACIPC_RINGBUF_TX_RESUME);
acipc_event_unbind(ACIPC_RINGBUF_TX_STOP);
acipc_event_unbind(ACIPC_MUDP_KEY);
acipc_event_unbind(ACIPC_MODEM_DDR_UPDATE_REQ);
acipc_event_unbind(ACIPC_IPM);
pm_qos_remove_request(&cp_block_cpuidle_axi);
wakeup_source_trash(&acipc_wakeup);
#ifdef CONFIG_DDR_DEVFREQ
destroy_workqueue(acipc_wq);
pm_qos_remove_request(&modem_ddr_cons);
#endif
}
INT32 wmt_plat_deinit(VOID)
{
INT32 iret = 0;
/* 2. unreg to cmb_stub */
iret = mtk_wcn_cmb_stub_unreg();
/*3. wmt wakelock deinit */
#ifdef CFG_WMT_WAKELOCK_SUPPORT
#ifdef CONFIG_PM_WAKELOCKS
wakeup_source_trash(&wmtWakeLock);
#else
wake_lock_destroy(&wmtWakeLock);
#endif
mutex_destroy(&gOsSLock);
WMT_PLAT_DBG_FUNC("destroy wmtWakeLock\n");
#endif
iret += mtk_wcn_consys_hw_deinit();
WMT_PLAT_DBG_FUNC("WMT-PLAT: ALPS platform init (%d)\n", iret);
return 0;
}
static void __exit alarm_dev_exit(void)
{
misc_deregister(&alarm_device);
wakeup_source_trash(&alarm_wake_lock);
}
static int ehci_msm2_remove(struct platform_device *pdev)
{
struct usb_hcd *hcd = platform_get_drvdata(pdev);
struct msm_hcd *mhcd = hcd_to_mhcd(hcd);
struct pinctrl_state *set_state;
if (mhcd->pmic_gpio_dp_irq) {
if (mhcd->pmic_gpio_dp_irq_enabled)
disable_irq_wake(mhcd->pmic_gpio_dp_irq);
free_irq(mhcd->pmic_gpio_dp_irq, mhcd);
}
if (mhcd->async_irq) {
if (mhcd->async_irq_enabled)
disable_irq_wake(mhcd->async_irq);
free_irq(mhcd->async_irq, mhcd);
}
if (mhcd->wakeup_irq) {
if (mhcd->wakeup_irq_enabled)
disable_irq_wake(mhcd->wakeup_irq);
free_irq(mhcd->wakeup_irq, mhcd);
}
/* If the device was removed no need to call pm_runtime_disable */
if (pdev->dev.power.power_state.event != PM_EVENT_INVALID)
pm_runtime_disable(&pdev->dev);
device_init_wakeup(&pdev->dev, 0);
pm_runtime_set_suspended(&pdev->dev);
usb_remove_hcd(hcd);
if (hcd->phy)
usb_phy_shutdown(hcd->phy);
if (mhcd->xo_clk) {
clk_disable_unprepare(mhcd->xo_clk);
clk_put(mhcd->xo_clk);
}
msm_ehci_vbus_power(mhcd, 0);
msm_ehci_init_vbus(mhcd, 0);
msm_ehci_ldo_enable(mhcd, 0);
msm_ehci_ldo_init(mhcd, 0);
msm_ehci_init_vddcx(mhcd, 0);
if (mhcd->hsusb_pinctrl) {
set_state = pinctrl_lookup_state(mhcd->hsusb_pinctrl,
"ehci_sleep");
if (IS_ERR(set_state))
pr_err("cannot get hsusb pinctrl sleep state\n");
else
pinctrl_select_state(mhcd->hsusb_pinctrl, set_state);
}
msm_ehci_init_clocks(mhcd, 0);
wakeup_source_trash(&mhcd->ws);
iounmap(hcd->regs);
usb_put_hcd(hcd);
#if defined(CONFIG_DEBUG_FS)
debugfs_remove_recursive(dent_ehci);
#endif
return 0;
}
void cnss_pm_wake_lock_destroy(struct wakeup_source *ws)
{
wakeup_source_trash(ws);
}
int gpio_event_matrix_func(struct gpio_event_input_devs *input_devs,
struct gpio_event_info *info, void **data, int func)
{
int i;
int err;
int key_count;
struct gpio_kp *kp;
struct gpio_event_matrix_info *mi;
mi = container_of(info, struct gpio_event_matrix_info, info);
if (func == GPIO_EVENT_FUNC_SUSPEND || func == GPIO_EVENT_FUNC_RESUME) {
/* TODO: disable scanning */
return 0;
}
if (func == GPIO_EVENT_FUNC_INIT) {
if (mi->keymap == NULL ||
mi->input_gpios == NULL ||
mi->output_gpios == NULL) {
err = -ENODEV;
pr_err("gpiomatrix: Incomplete pdata\n");
goto err_invalid_platform_data;
}
key_count = mi->ninputs * mi->noutputs;
*data = kp = kzalloc(sizeof(*kp) + sizeof(kp->keys_pressed[0]) *
BITS_TO_LONGS(key_count), GFP_KERNEL);
if (kp == NULL) {
err = -ENOMEM;
pr_err("gpiomatrix: Failed to allocate private data\n");
goto err_kp_alloc_failed;
}
kp->input_devs = input_devs;
kp->keypad_info = mi;
for (i = 0; i < key_count; i++) {
unsigned short keyentry = mi->keymap[i];
unsigned short keycode = keyentry & MATRIX_KEY_MASK;
unsigned short dev = keyentry >> MATRIX_CODE_BITS;
if (dev >= input_devs->count) {
pr_err("gpiomatrix: bad device index %d >= "
"%d for key code %d\n",
dev, input_devs->count, keycode);
err = -EINVAL;
goto err_bad_keymap;
}
if (keycode && keycode <= KEY_MAX)
input_set_capability(input_devs->dev[dev],
EV_KEY, keycode);
}
for (i = 0; i < mi->noutputs; i++) {
err = gpio_request(mi->output_gpios[i], "gpio_kp_out");
if (err) {
pr_err("gpiomatrix: gpio_request failed for "
"output %d\n", mi->output_gpios[i]);
goto err_request_output_gpio_failed;
}
if (gpio_cansleep(mi->output_gpios[i])) {
pr_err("gpiomatrix: unsupported output gpio %d,"
" can sleep\n", mi->output_gpios[i]);
err = -EINVAL;
goto err_output_gpio_configure_failed;
}
if (mi->flags & GPIOKPF_DRIVE_INACTIVE)
err = gpio_direction_output(mi->output_gpios[i],
!(mi->flags & GPIOKPF_ACTIVE_HIGH));
else
err = gpio_direction_input(mi->output_gpios[i]);
if (err) {
pr_err("gpiomatrix: gpio_configure failed for "
"output %d\n", mi->output_gpios[i]);
goto err_output_gpio_configure_failed;
}
}
for (i = 0; i < mi->ninputs; i++) {
err = gpio_request(mi->input_gpios[i], "gpio_kp_in");
if (err) {
pr_err("gpiomatrix: gpio_request failed for "
"input %d\n", mi->input_gpios[i]);
goto err_request_input_gpio_failed;
}
err = gpio_direction_input(mi->input_gpios[i]);
if (err) {
pr_err("gpiomatrix: gpio_direction_input failed"
" for input %d\n", mi->input_gpios[i]);
goto err_gpio_direction_input_failed;
}
}
kp->current_output = mi->noutputs;
kp->key_state_changed = 1;
hrtimer_init(&kp->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
kp->timer.function = gpio_keypad_timer_func;
wakeup_source_init(&kp->wakeup_source,"gpio_kp");
err = gpio_keypad_request_irqs(kp);
kp->use_irq = err == 0;
pr_info("GPIO Matrix Keypad Driver: Start keypad matrix for "
"%s%s in %s mode\n", input_devs->dev[0]->name,
(input_devs->count > 1) ? "..." : "",
kp->use_irq ? "interrupt" : "polling");
if (kp->use_irq)
__pm_stay_awake(&kp->wakeup_source);
hrtimer_start(&kp->timer, ktime_set(0, 0), HRTIMER_MODE_REL);
return 0;
}
err = 0;
kp = *data;
if (kp->use_irq)
for (i = mi->noutputs - 1; i >= 0; i--)
free_irq(gpio_to_irq(mi->input_gpios[i]), kp);
hrtimer_cancel(&kp->timer);
wakeup_source_trash(&kp->wakeup_source);
for (i = mi->noutputs - 1; i >= 0; i--) {
err_gpio_direction_input_failed:
gpio_free(mi->input_gpios[i]);
err_request_input_gpio_failed:
;
}
for (i = mi->noutputs - 1; i >= 0; i--) {
err_output_gpio_configure_failed:
gpio_free(mi->output_gpios[i]);
err_request_output_gpio_failed:
;
}
err_bad_keymap:
kfree(kp);
err_kp_alloc_failed:
err_invalid_platform_data:
return err;
}
static int smd_tty_port_activate(struct tty_port *tport,
struct tty_struct *tty)
{
int res = 0;
unsigned int n = tty->index;
struct smd_tty_info *info;
const char *peripheral = NULL;
if (n >= MAX_SMD_TTYS || !smd_tty[n].ch_name)
return -ENODEV;
info = smd_tty + n;
mutex_lock(&info->open_lock_lha1);
tty->driver_data = info;
peripheral = smd_edge_to_subsystem(smd_tty[n].edge);
if (peripheral) {
info->pil = subsystem_get(peripheral);
if (IS_ERR(info->pil)) {
SMD_TTY_INFO(
"%s failed on smd_tty device :%s subsystem_get failed for %s",
__func__, info->ch_name,
peripheral);
/*
* Sleep, inorder to reduce the frequency of
* retry by user-space modules and to avoid
* possible watchdog bite.
*/
msleep((smd_tty[n].open_wait * 1000));
res = PTR_ERR(info->pil);
goto out;
}
/* Wait for the modem SMSM to be inited for the SMD
* Loopback channel to be allocated at the modem. Since
* the wait need to be done atmost once, using msleep
* doesn't degrade the performance.
*/
if (n == LOOPBACK_IDX) {
if (!is_modem_smsm_inited())
msleep(5000);
smsm_change_state(SMSM_APPS_STATE,
0, SMSM_SMD_LOOPBACK);
msleep(100);
}
/*
* Wait for a channel to be allocated so we know
* the modem is ready enough.
*/
if (smd_tty[n].open_wait) {
res = wait_for_completion_interruptible_timeout(
&info->ch_allocated,
msecs_to_jiffies(smd_tty[n].open_wait *
1000));
if (res == 0) {
SMD_TTY_INFO(
"Timed out waiting for SMD channel %s",
info->ch_name);
res = -ETIMEDOUT;
goto release_pil;
} else if (res < 0) {
SMD_TTY_INFO(
"Error waiting for SMD channel %s : %d\n",
info->ch_name, res);
goto release_pil;
}
}
#ifdef CONFIG_LGE_USES_SMD_DS_TTY
/*
*/
if (n == DS_IDX) {
/* wait for open ready status in seconds */
pr_info("%s: checking DS modem status\n", __func__);
res = wait_event_interruptible_timeout(
info->ch_opened_wait_queue,
info->is_dsmodem_ready, (lge_ds_modem_wait * HZ));
if (res == 0) {
res = -ETIMEDOUT;
pr_err("%s: timeout to wait for %s modem: %d\n",
__func__, info->ch_name, res);
goto release_pil;
}
if (res < 0) {
pr_err("%s: timeout to wait for %s modem: %d\n",
__func__, info->ch_name, res);
goto release_pil;
}
pr_info("%s: DS modem is OK, open smd0..\n", __func__);
}
#endif
}
tasklet_init(&info->tty_tsklt, smd_tty_read, (unsigned long)info);
wakeup_source_init(&info->pending_ws, info->ch_name);
scnprintf(info->ra_wakeup_source_name, MAX_RA_WAKE_LOCK_NAME_LEN,
"SMD_TTY_%s_RA", info->ch_name);
wakeup_source_init(&info->ra_wakeup_source,
info->ra_wakeup_source_name);
res = smd_named_open_on_edge(info->ch_name,
smd_tty[n].edge, &info->ch, info,
smd_tty_notify);
if (res < 0) {
SMD_TTY_INFO("%s: %s open failed %d\n",
__func__, info->ch_name, res);
goto release_wl_tl;
}
res = wait_event_interruptible_timeout(info->ch_opened_wait_queue,
info->is_open, (2 * HZ));
if (res == 0)
res = -ETIMEDOUT;
if (res < 0) {
SMD_TTY_INFO("%s: wait for %s smd_open failed %d\n",
__func__, info->ch_name, res);
goto close_ch;
}
SMD_TTY_INFO("%s with PID %u opened port %s",
current->comm, current->pid, info->ch_name);
smd_disable_read_intr(info->ch);
mutex_unlock(&info->open_lock_lha1);
return 0;
close_ch:
smd_close(info->ch);
info->ch = NULL;
release_wl_tl:
tasklet_kill(&info->tty_tsklt);
wakeup_source_trash(&info->pending_ws);
wakeup_source_trash(&info->ra_wakeup_source);
release_pil:
subsystem_put(info->pil);
out:
mutex_unlock(&info->open_lock_lha1);
return res;
}