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Commit 643e912d authored by Sathish Ambley's avatar Sathish Ambley Committed by AnilKumar Chimata
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msm: ADSPRPC: Enable session restart with remote heap 



Enable session restart when remote heap is allocated to
ADSP.

Change-Id: If4cd477f8c5994445f4a0e951a544afaa33be112
Acked-by: default avatarHimateja Reddy <hmreddy@qti.qualcomm.com>
Signed-off-by: default avatarSathish Ambley <sathishambley@codeaurora.org>
parent 296d7a30

drivers/char/adsprpc.c

+9 −2
Original line number Diff line number Diff line
@@ -169,6 +169,7 @@ struct fastrpc_channel_ctx { 
	int sesscount;

	int ssrcount;

	void *handle;

	int prevssrcount;

	int ramdumpenabled;

	void *remoteheap_ramdump_dev;

};
@@ -1691,8 +1692,13 @@ static int fastrpc_device_open(struct inode *inode, struct file *filp) 
		kref_init(&me->channel[cid].kref);

		pr_info("'opened /dev/%s c %d %d'\n", gcinfo[cid].name,

						MAJOR(me->dev_no), cid);

		if (me->channel[cid].ssrcount !=

				 me->channel[cid].prevssrcount) {

			if (fastrpc_mmap_remove_ssr(fl))

				pr_err("ADSPRPC: SSR: Failed to unmap remote heap\n");

			me->channel[cid].prevssrcount =

						me->channel[cid].ssrcount;

		}

	}

	spin_lock(&me->hlock);

	hlist_add_head(&fl->hn, &me->drivers);
@@ -2090,6 +2096,7 @@ static int __init fastrpc_device_init(void) 
		if (err)

			goto device_create_bail;

		me->channel[i].ssrcount = 0;

		me->channel[i].prevssrcount = 0;

		me->channel[i].ramdumpenabled = 0;

		me->channel[i].remoteheap_ramdump_dev = 0;

		me->channel[i].nb.notifier_call = fastrpc_restart_notifier_cb;