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Commit a3298c3d authored by Skylar Chang's avatar Skylar Chang
Browse files

msm: gsi: fix IPC low priority logging 



Allocate IPC low priority on first usage only.

Change-Id: Ic44f5af02d1d7fd72b255c8989cfc6b7dcd7766d
CRs-Fixed: 2016076
Acked-by: default avatarAdy Abraham <adya@qti,qualcomm.com>
Signed-off-by: default avatarSkylar Chang <chiaweic@codeaurora.org>
parent 0a4d1ddb

drivers/platform/msm/gsi/gsi_dbg.c

+8 −9
Original line number Diff line number Diff line
@@ -29,6 +29,7 @@ 


static struct dentry *dent;

static char dbg_buff[4096];

static void *gsi_ipc_logbuf_low;



static void gsi_wq_print_dp_stats(struct work_struct *work);

static DECLARE_DELAYED_WORK(gsi_print_dp_stats_work, gsi_wq_print_dp_stats);
@@ -758,22 +759,20 @@ static ssize_t gsi_enable_ipc_low(struct file *file, 
	if (kstrtos8(dbg_buff, 0, &option))

		return -EFAULT;



	mutex_lock(&gsi_ctx->mlock);

	if (option) {

		if (!gsi_ctx->ipc_logbuf_low) {

			gsi_ctx->ipc_logbuf_low =

		if (!gsi_ipc_logbuf_low) {

			gsi_ipc_logbuf_low =

				ipc_log_context_create(GSI_IPC_LOG_PAGES,

					"gsi_low", 0);

		}



		if (gsi_ctx->ipc_logbuf_low == NULL) {

			if (gsi_ipc_logbuf_low == NULL)

				TERR("failed to get ipc_logbuf_low\n");

			return -EFAULT;

		}

		gsi_ctx->ipc_logbuf_low = gsi_ipc_logbuf_low;

	} else {

		if (gsi_ctx->ipc_logbuf_low)

			ipc_log_context_destroy(gsi_ctx->ipc_logbuf_low);

		gsi_ctx->ipc_logbuf_low = NULL;

	}

	mutex_unlock(&gsi_ctx->mlock);



	return count;

}