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Commit 93f53db4 authored by Ajit Kumar's avatar Ajit Kumar Committed by Gerrit - the friendly Code Review server
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soc: qcom: bgcom: Use shared_ee property for spi 



Use shared_ee property for bg spi. Call pm runtime
APIs to suspend the spi driver.

Change-Id: If670311cddae8fab70a5673b38ec5d5149c4d38b
Signed-off-by: default avatarAjit Kumar <kajit@codeaurora.org>
parent 1e32a780

drivers/soc/qcom/bgcom_interface.c

+0 −5
Original line number Diff line number Diff line
@@ -45,7 +45,6 @@ 


#define MPPS_DOWN_EVENT_TO_BG_TIMEOUT 3000

#define ADSP_DOWN_EVENT_TO_BG_TIMEOUT 3000

#define SLEEP_FOR_SPI_BUS 2000



enum {

	SSR_DOMAIN_BG,
@@ -401,8 +400,6 @@ static long bg_com_ioctl(struct file *filp, 
		break;

	case SET_SPI_BUSY:

		ret = bgcom_set_spi_state(BGCOM_SPI_BUSY);

		/* Add sleep for  SPI Bus to release*/

		msleep(SLEEP_FOR_SPI_BUS);

		break;

	case BG_SOFT_RESET:

		ret = bg_soft_reset();
@@ -619,8 +616,6 @@ static int ssr_bg_cb(struct notifier_block *this, 
		send_uevent(&bge);

		break;

	case SUBSYS_AFTER_SHUTDOWN:

		/* Add sleep for  SPI Bus to release*/

		msleep(SLEEP_FOR_SPI_BUS);

		if (dev->pending_bg_twm_wear_load) {

			/* Load bg-twm-wear */

			dev->pending_bg_twm_wear_load = false;

drivers/soc/qcom/bgcom_spi.c

+3 −0
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ 
#include <linux/of_gpio.h>

#include <linux/kthread.h>

#include <linux/dma-mapping.h>

#include <linux/pm_runtime.h>

#include "bgcom.h"

#include "bgrsb.h"

#include "bgcom_interface.h"
@@ -263,7 +264,9 @@ static int bgcom_transfer(void *handle, uint8_t *tx_buf, 
		tx_xfer->rx_buf = rx_buf;



	tx_xfer->len = txn_len;

	pm_runtime_get_sync(bg_spi->spi->controller->dev.parent);

	ret = spi_sync(spi, &bg_spi->msg1);

	pm_runtime_put_sync_suspend(bg_spi->spi->controller->dev.parent);

	mutex_unlock(&bg_spi->xfer_mutex);



	if (ret)