static irqreturn_t modem_wdog_bite_irq(int irq, void *dev_id)
{
switch (irq) {
case Q6SW_WDOG_EXPIRED_IRQ:
pr_err("Watchdog bite received from modem software!\n");
#ifdef FEATURE_PANTECH_WLAN_QCOM_PATCH //lee.eunsuk 20120423, SSR
log_modem_sfr();
panic(MODULE_NAME "Modem crashed.");
#else
restart_modem();
#endif
break;
case Q6FW_WDOG_EXPIRED_IRQ:
pr_err("Watchdog bite received from modem firmware!\n");
#ifdef FEATURE_PANTECH_WLAN_QCOM_PATCH //lee.eunsuk 20120423, SSR
log_modem_sfr();
panic(MODULE_NAME "Modem crashed.");
#else
restart_modem();
#endif
break;
break;
default:
pr_err("%s: Unknown IRQ!\n", __func__);
}
return IRQ_HANDLED;
}
static void modem_sw_fatal_fn(struct work_struct *work)
{
uint32_t panic_smsm_states = SMSM_RESET | SMSM_SYSTEM_DOWNLOAD;
uint32_t reset_smsm_states = SMSM_SYSTEM_REBOOT_USR |
SMSM_SYSTEM_PWRDWN_USR;
uint32_t modem_state;
pr_err("Watchdog bite received from modem SW!\n");
modem_state = smsm_get_state(SMSM_MODEM_STATE);
if (modem_state & panic_smsm_states) {
pr_err("Modem SMSM state changed to SMSM_RESET.\n"
"Probable err_fatal on the modem. "
"Calling subsystem restart...\n");
log_modem_sfr();
subsystem_restart("modem");
} else if (modem_state & reset_smsm_states) {
pr_err("%s: User-invoked system reset/powerdown. "
"Resetting the SoC now.\n",
__func__);
kernel_restart(NULL);
} else {
log_modem_sfr();
subsystem_restart("modem");
}
}
static void restart_modem(struct modem_data *drv)
{
#ifdef FEATURE_LGE_MODEM_DEBUG_INFO
modem_debug.modem_ssr_level = subsys_get_restart_level(drv->subsys);
#endif
log_modem_sfr();
drv->ignore_errors = true;
subsystem_restart_dev(drv->subsys);
}
static void smsm_state_cb(void *data, uint32_t old_state, uint32_t new_state)
{
/* Ignore if we're the one that set SMSM_RESET */
if (crash_shutdown)
return;
if (new_state & SMSM_RESET) {
pr_err("Probable fatal error on the modem.\n");
log_modem_sfr();
subsystem_restart("modem");
}
}
static void smsm_state_cb(void *data, uint32_t old_state, uint32_t new_state)
{
/* Ignore if we're the one that set SMSM_RESET */
if (crash_shutdown)
return;
if (new_state & SMSM_RESET) {
pr_err("Probable fatal error on the modem.\n");
#ifdef FEATURE_PANTECH_WLAN_QCOM_PATCH //lee.eunsuk 20120423, SSR
log_modem_sfr();
panic(MODULE_NAME "Modem crashed.");
#else
restart_modem();
#endif
}
}
static void modem_wdog_check(struct work_struct *work)
{
void __iomem *q6_sw_wdog_addr;
u32 regval;
q6_sw_wdog_addr = ioremap_nocache(Q6_SW_WDOG_ENABLE, 4);
if (!q6_sw_wdog_addr)
panic("Unable to check modem watchdog status.\n");
regval = readl_relaxed(q6_sw_wdog_addr);
if (!regval) {
pr_err("modem-8960: Modem watchdog wasn't activated!. Restarting the modem now.\n");
log_modem_sfr();
subsystem_restart("modem");
}
iounmap(q6_sw_wdog_addr);
}
static void modem_wdog_check(struct work_struct *work)
{
void __iomem *q6_sw_wdog_addr;
u32 regval;
q6_sw_wdog_addr = ioremap_nocache(Q6_SW_WDOG_ENABLE, 4);
if (!q6_sw_wdog_addr)
panic("Unable to check modem watchdog status.\n");
regval = readl_relaxed(q6_sw_wdog_addr);
if (!regval) {
pr_err("modem-8960: Modem watchdog wasn't activated!. Restarting the modem now.\n");
#ifdef FEATURE_PANTECH_WLAN_QCOM_PATCH //lee.eunsuk 20120423, SSR
log_modem_sfr();
panic(MODULE_NAME "Modem crashed.");
#else
restart_modem();
#endif
}
iounmap(q6_sw_wdog_addr);
}
static void restart_modem(struct modem_data *drv)
{
log_modem_sfr();
drv->ignore_errors = true;
subsystem_restart_dev(drv->subsys);
}
static void restart_modem(struct q6v4_modem *drv)
{
log_modem_sfr();
subsystem_restart_dev(drv->subsys);
}
static void restart_modem(void)
{
log_modem_sfr();
subsystem_restart("modem");
}
static void restart_modem(void)
{
log_modem_sfr();
subsystem_restart_dev(modem_8960_dev);
}
static void modem_fw_fatal_fn(struct work_struct *work)
{
pr_err("Watchdog bite received from modem FW!\n");
log_modem_sfr();
subsystem_restart("modem");
}
static void restart_modem(void)
{
log_modem_sfr();
crashdebug_crash("modem");
}
