Merge "qcom: smem: Rework SMEM ramdump logic" (b246d3f3) · Commits · e / devices / android_kernel_sony_msm8994

drivers/soc/qcom/smem.c

+25 −20

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@
		#include <linux/slab.h>
		#include <linux/stat.h>
		#include <soc/qcom/subsystem_notif.h>
		#include <soc/qcom/subsystem_restart.h>
		#include <soc/qcom/ramdump.h>

		#include <soc/qcom/smem.h>
		@@ -987,21 +988,24 @@ static int restart_notifier_cb(struct notifier_block *this,
		unsigned long code,
		void *data)
		{
		if (code == SUBSYS_AFTER_SHUTDOWN) {
		struct restart_notifier_block *notifier;
		struct notif_data *notifdata = data;
		int ret;

		switch (code) {

		case SUBSYS_AFTER_SHUTDOWN:
		notifier = container_of(this,
		struct restart_notifier_block, nb);
		SMEM_INFO("%s: ssrestart for processor %d ('%s')\n",
		__func__, notifier->processor,
		notifier->name);

		remote_spin_release(&remote_spinlock, notifier->processor);
		remote_spin_release_all(notifier->processor);

		if (smem_ramdump_dev) {
		int ret;

		break;
		case SUBSYS_RAMDUMP_NOTIFICATION:
		if (!(smem_ramdump_dev && notifdata->enable_ramdump))
		break;
		SMEM_DBG("%s: saving ramdump\n", __func__);
		/*
		* XPU protection does not currently allow the
		@@ -1012,9 +1016,10 @@ static int restart_notifier_cb(struct notifier_block *this,
		ret = do_elf_ramdump(smem_ramdump_dev,
		smem_ramdump_segments, 1);
		if (ret < 0)
		LOG_ERR("%s: unable to dump smem %d\n",
		__func__, ret);
		}
		LOG_ERR("%s: unable to dump smem %d\n", __func__, ret);
		break;
		default:
		break;
		}

		return NOTIFY_DONE;