Merge "soc: qcom: ssr: Return from acknowledgment wait if modem is crashed" (1c71d4aa) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/soc/qcom/subsystem_restart.c

+25 −19

Original line number	Diff line number	Diff line
		@@ -573,25 +573,6 @@ 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)
		{
		int ret;
		@@ -747,6 +728,31 @@ static void subsys_stop(struct subsys_device *subsys)
		notify_each_subsys_device(&subsys, 1, SUBSYS_AFTER_SHUTDOWN, NULL);
		}

		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)
		{
		struct subsys_device *subsys;