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Commit 03d7957d authored by Max Chen's avatar Max Chen
Browse files

wigig_sensing: treat data ready as deep sleep exit when needed 



Treat data ready interrupt as deep sleep exit interrupt if waiting
for deep sleep exit.

Change-Id: I29c9d55c0cd41a778e35f9a706e2122d779f143b
Signed-off-by: default avatarMax Chen <mxchen@codeaurora.org>
parent 6cb02c40

drivers/misc/wigig_sensing.c

+18 −0
Original line number Diff line number Diff line
@@ -1371,11 +1371,29 @@ static irqreturn_t wigig_sensing_dri_isr_thread(int irq, void *cookie) 
	if (spi_status.b.int_data_ready) {

		SPI_STATS_MEAS_START(ctx, SPI_STATS_MEAS_DATA_READY);

		pr_debug("DATA READY INTERRUPT\n");



		/*

		 * Data ready interrupt is received when waiting for deep sleep

		 * exit, break and exit deep sleep

		 */

		if (ctx->stm.waiting_for_deep_sleep_exit) {

			additional_inb_command = ctx->inb_cmd;

			memset(&ctx->inb_cmd, 0, sizeof(ctx->inb_cmd));



			pr_err("Received data ready interrupt when waiting for deep sleep exit, treating it so\n");

			ctx->stm.waiting_for_deep_sleep_exit = false;

			ctx->stm.waiting_for_deep_sleep_exit_first_pass = false;

			spi_status.v &= ~INT_DEEP_SLEEP_EXIT;

			goto finish_data_ready;

		}



		if (!ctx->stm.change_mode_in_progress)

			wigig_sensing_chip_data_ready(

			   ctx, spi_status.b.fill_level, ctx->stm.burst_size);

		else

			pr_debug("Change mode in progress, aborting data processing\n");



finish_data_ready:

		SPI_STATS_MEAS_STOP(ctx, SPI_STATS_MEAS_DATA_READY);



		spi_status.v &= ~INT_DATA_READY;