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Merge "soc: qcom: ssr: Return from acknowledgment wait if modem is crashed"

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Linux Build Service Account 2016-09-23 20:19:06 -07:00 • committed by Gerrit - the friendly Code Review server
commit 5038545dd9
1 changed files with 25 additions and 19 deletions
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44
drivers/soc/qcom/subsystem_restart.c
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@ -572,25 +572,6 @@ static void disable_all_irqs(struct subsys_device *dev)
} }
} }
int wait_for_shutdown_ack(struct subsys_desc *desc)
{
int count;
if (desc && !desc->shutdown_ack_gpio)
return 0;
for (count = SHUTDOWN_ACK_MAX_LOOPS; count > 0; count--) {
if (gpio_get_value(desc->shutdown_ack_gpio))
return count;
msleep(SHUTDOWN_ACK_DELAY_MS);
}
pr_err("[%s]: Timed out waiting for shutdown ack\n", desc->name);
return -ETIMEDOUT;
}
EXPORT_SYMBOL(wait_for_shutdown_ack);
static int wait_for_err_ready(struct subsys_device *subsys) static int wait_for_err_ready(struct subsys_device *subsys)
{ {
int ret; int ret;
@ -768,6 +749,31 @@ int subsystem_set_fwname(const char *name, const char *fw_name)
} }
EXPORT_SYMBOL(subsystem_set_fwname); EXPORT_SYMBOL(subsystem_set_fwname);
int wait_for_shutdown_ack(struct subsys_desc *desc)
{
int count;
struct subsys_device *dev;
if (!desc || !desc->shutdown_ack_gpio)
return 0;
dev = find_subsys(desc->name);
if (!dev)
return 0;
for (count = SHUTDOWN_ACK_MAX_LOOPS; count > 0; count--) {
if (gpio_get_value(desc->shutdown_ack_gpio))
return count;
else if (subsys_get_crash_status(dev))
break;
msleep(SHUTDOWN_ACK_DELAY_MS);
}
pr_err("[%s]: Timed out waiting for shutdown ack\n", desc->name);
return -ETIMEDOUT;
}
EXPORT_SYMBOL(wait_for_shutdown_ack);
void *__subsystem_get(const char *name, const char *fw_name) void *__subsystem_get(const char *name, const char *fw_name)
{ {
struct subsys_device *subsys; struct subsys_device *subsys;