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Commit c226cbb7 authored by Skylar Chang's avatar Skylar Chang
Browse files

msm: gsi: wait for interrupts for commands 



When sending a command to gsi, an interrupt is expected.
This change is waiting for this interrupt until timeout
has expired.

Change-Id: I876c4386aa34d90a1449aed308c99f93d61837d6
Acked-by: default avatarAdy Abraham <adya@qti.qualcomm.com>
Signed-off-by: default avatarSkylar Chang <chiaweic@codeaurora.org>
parent bdd63def

drivers/platform/msm/gsi/gsi.c

+3 −9
Original line number Diff line number Diff line
@@ -116,8 +116,7 @@ static void __gsi_config_gen_irq(int ee, uint32_t mask, uint32_t val) 


static void gsi_channel_state_change_wait(unsigned long chan_hdl,

	struct gsi_chan_ctx *ctx,

	uint32_t tm,

	enum gsi_chan_state next_state)

	uint32_t tm)

{

	int poll_cnt;

	int gsi_pending_intr;
@@ -166,9 +165,6 @@ static void gsi_channel_state_change_wait(unsigned long chan_hdl, 
			ch,

			ctx->state,

			gsi_pending_intr);



		if (ctx->state == next_state)

			break;

	}



}
@@ -2469,8 +2465,7 @@ int gsi_start_channel(unsigned long chan_hdl) 
	GSIDBG("GSI Channel Start, waiting for completion\n");

	gsi_channel_state_change_wait(chan_hdl,

		ctx,

		GSI_START_CMD_TIMEOUT_MS,

		GSI_CHAN_STATE_STARTED);

		GSI_START_CMD_TIMEOUT_MS);



	if (ctx->state != GSI_CHAN_STATE_STARTED) {

		/*
@@ -2543,8 +2538,7 @@ int gsi_stop_channel(unsigned long chan_hdl) 
	GSIDBG("GSI Channel Stop, waiting for completion\n");

	gsi_channel_state_change_wait(chan_hdl,

		ctx,

		GSI_STOP_CMD_TIMEOUT_MS,

		GSI_CHAN_STATE_STOPPED);

		GSI_STOP_CMD_TIMEOUT_MS);



	if (ctx->state != GSI_CHAN_STATE_STOPPED &&

		ctx->state != GSI_CHAN_STATE_STOP_IN_PROC) {