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Commit 98a4afd6 authored by Arjun Singh's avatar Arjun Singh Committed by Gerrit - the friendly Code Review server
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soc: qcom: bgcom: disable/enable interrupt on device suspend/resume 



BG interrupts serviced only if device is in resume state. BG
interrupt is disabled in suspend and enabled on device resume.

Change-Id: Ifd69c19c4f96351663ac9844d1f71514d8402ec4
Signed-off-by: default avatarArjun Singh <arsingh@codeaurora.org>
parent 389c184e

drivers/soc/qcom/bgcom_spi.c

+8 −2
Original line number Diff line number Diff line
@@ -923,8 +923,12 @@ EXPORT_SYMBOL(bgcom_close); 
static irqreturn_t bg_irq_tasklet_hndlr(int irq, void *device)

{

	struct bg_spi_priv *bg_spi = device;



	/* check if call-back exists */

	if (list_empty(&cb_head)) {

	if (!atomic_read(&bg_is_spi_active)) {

		pr_debug("Interrupt received in suspend state\n");

		return IRQ_HANDLED;

	} else if (list_empty(&cb_head)) {

		pr_debug("No callback registered\n");

		return IRQ_HANDLED;

	} else if (spi_state == BGCOM_SPI_BUSY) {
@@ -1056,6 +1060,7 @@ static int bgcom_pm_suspend(struct device *dev) 
	if (ret == 0) {

		bg_spi->bg_state = BGCOM_STATE_SUSPEND;

		atomic_set(&bg_is_spi_active, 0);

		disable_irq(bg_irq);

	}

	pr_info("suspended with : %d\n", ret);

	return ret;
@@ -1072,7 +1077,8 @@ static int bgcom_pm_resume(struct device *dev) 
	atomic_set(&bg_is_spi_active, 1);

	ret = bgcom_resume(&clnt_handle);

	if (ret == 0)

		pr_info("Bgcom resumed\n");

		enable_irq(bg_irq);

	pr_info("Bgcom resumed with : %d\n", ret);

	return ret;

}