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Commit b234b067 authored by Raghavendra Rao Ananta's avatar Raghavendra Rao Ananta
Browse files

soc: qcom: eud: Enable EUD IRQs by default 



The bootloaders may enable EUD and if that's the case, enable
interrupts by default.

Change-Id: I55a550d08f07eb740108d784c2b0092a88f9e2dd
Signed-off-by: default avatarRaghavendra Rao Ananta <rananta@codeaurora.org>
parent 1c0ece44

drivers/soc/qcom/eud.c

+32 −7
Original line number Diff line number Diff line
@@ -86,10 +86,37 @@ static const unsigned int eud_extcon_cable[] = { 
 * On the kernel command line specify eud.enable=1 to enable EUD.

 * EUD is disabled by default.

 */

static int enable;

static int enable = EUD_ENABLE_CMD;

static bool eud_ready;

static struct platform_device *eud_private;



static inline void msm_eud_enable_irqs(struct eud_chip *chip)

{

	/* Enable vbus, chgr & safe mode warning interrupts */

	writel_relaxed(EUD_INT_VBUS | EUD_INT_CHGR | EUD_INT_SAFE_MODE,

			chip->eud_reg_base + EUD_REG_INT1_EN_MASK);

}



static int msm_eud_hw_is_enabled(struct platform_device *pdev)

{

	struct eud_chip *chip = platform_get_drvdata(pdev);

	int sec_eud_enabled = 0;



	if (chip->secure_eud_en) {

		int ret = qcom_scm_io_readl(

				chip->eud_mode_mgr2_phys_base + EUD_REG_EUD_EN2,

				&sec_eud_enabled);

		if (ret) {

			dev_err(&pdev->dev,

				"qcom_scm_io_readl failed with rc: %d\n", ret);

			sec_eud_enabled = 0;

		}

	}



	return (sec_eud_enabled & BIT(0)) ||

	(readl_relaxed(chip->eud_reg_base + EUD_REG_CSR_EUD_EN) & BIT(0));

}



static void enable_eud(struct platform_device *pdev)

{

	struct eud_chip *priv = platform_get_drvdata(pdev);
@@ -98,9 +125,7 @@ static void enable_eud(struct platform_device *pdev) 
	/* write into CSR to enable EUD */

	writel_relaxed(BIT(0), priv->eud_reg_base + EUD_REG_CSR_EUD_EN);



	/* Enable vbus, chgr & safe mode warning interrupts */

	writel_relaxed(EUD_INT_VBUS | EUD_INT_CHGR | EUD_INT_SAFE_MODE,

			priv->eud_reg_base + EUD_REG_INT1_EN_MASK);

	msm_eud_enable_irqs(priv);



	/* Enable secure eud if supported */

	if (priv->secure_eud_en) {
@@ -651,9 +676,9 @@ static int msm_eud_probe(struct platform_device *pdev) 
	eud_private = pdev;

	eud_ready = true;



	/* Enable EUD */

	if (enable)

		enable_eud(pdev);

	/* Proceed enable other EUD elements if bootloader has enabled it */

	if (enable && msm_eud_hw_is_enabled(pdev))

		msm_eud_enable_irqs(chip);



	return 0;