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Commit e20aacab authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "msm: qpnp-power-on: print the power off reason"

parents 98723b2f aa3ebc17

drivers/platform/msm/qpnp-power-on.c

+53 −8
Original line number Diff line number Diff line
@@ -36,6 +36,7 @@ 
#define QPNP_PON_REASON1(base)			(base + 0x8)

#define QPNP_PON_WARM_RESET_REASON1(base)	(base + 0xA)

#define QPNP_PON_WARM_RESET_REASON2(base)	(base + 0xB)

#define QPNP_POFF_REASON1(base)			(base + 0xC)

#define QPNP_PON_KPDPWR_S1_TIMER(base)		(base + 0x40)

#define QPNP_PON_KPDPWR_S2_TIMER(base)		(base + 0x41)

#define QPNP_PON_KPDPWR_S2_CNTL(base)		(base + 0x42)
@@ -83,7 +84,6 @@ 
#define QPNP_PON_S3_DBC_DELAY_MASK		0x07

#define QPNP_PON_RESET_TYPE_MAX			0xF

#define PON_S1_COUNT_MAX			0xF

#define PON_REASON_MAX				8

#define QPNP_PON_MIN_DBC_US			(USEC_PER_SEC / 64)

#define QPNP_PON_MAX_DBC_US			(USEC_PER_SEC * 2)
@@ -142,6 +142,26 @@ static const char * const qpnp_pon_reason[] = { 
	[7] = "Triggered from KPD (power key press)",

};



static const char * const qpnp_poff_reason[] = {

	[0] = "Triggered from SOFT (Software)",

	[1] = "Triggered from PS_HOLD (PS_HOLD/MSM controlled shutdown)",

	[2] = "Triggered from PMIC_WD (PMIC watchdog)",

	[3] = "Triggered from GP1 (Keypad_Reset1)",

	[4] = "Triggered from GP2 (Keypad_Reset2)",

	[5] = "Triggered from KPDPWR_AND_RESIN"

		"(Simultaneous power key and reset line)",

	[6] = "Triggered from RESIN_N (Reset line/Volume Down Key)",

	[7] = "Triggered from KPDPWR_N (Long Power Key hold)",

	[8] = "N/A",

	[9] = "N/A",

	[10] = "N/A",

	[11] = "Triggered from CHARGER (Charger ENUM_TIMER, BOOT_DONE)",

	[12] = "Triggered from TFT (Thermal Fault Tolerance)",

	[13] = "Triggered from UVLO (Under Voltage Lock Out)",

	[14] = "Triggered from OTST3 (Overtemp)",

	[15] = "Triggered from STAGE3 (Stage 3 reset)",

};



static int

qpnp_pon_masked_write(struct qpnp_pon *pon, u16 addr, u8 mask, u8 val)

{
@@ -1060,7 +1080,8 @@ static int qpnp_pon_probe(struct spmi_device *spmi) 
	struct device_node *itr = NULL;

	u32 delay = 0, s3_debounce = 0;

	int rc, sys_reset, index;

	u8 pon_sts = 0;

	u8 pon_sts = 0, buf[2];

	u16 poff_sts = 0;



	pon = devm_kzalloc(&spmi->dev, sizeof(struct qpnp_pon),

							GFP_KERNEL);
@@ -1108,14 +1129,38 @@ static int qpnp_pon_probe(struct spmi_device *spmi) 
		dev_err(&pon->spmi->dev, "Unable to read PON_RESASON1 reg\n");

		return rc;

	}

	index = ffs(pon_sts);

	if ((index > PON_REASON_MAX) || (index < 0))

		index = 0;



	index = ffs(pon_sts) - 1;

	cold_boot = !qpnp_pon_is_warm_reset();

	pr_info("PMIC@SID%d Power-on reason: %s and '%s' boot\n",

		pon->spmi->sid, index ? qpnp_pon_reason[index - 1] :

		"Unknown", cold_boot ? "cold" : "warm");

	if (index >= ARRAY_SIZE(qpnp_pon_reason) || index < 0)

		dev_info(&pon->spmi->dev,

			"PMIC@SID%d Power-on reason: Unknown and '%s' boot\n",

			pon->spmi->sid, cold_boot ? "cold" : "warm");

	else

		dev_info(&pon->spmi->dev,

			"PMIC@SID%d Power-on reason: %s and '%s' boot\n",

			pon->spmi->sid, qpnp_pon_reason[index],

			cold_boot ? "cold" : "warm");



	/* POFF reason */

	rc = spmi_ext_register_readl(pon->spmi->ctrl, pon->spmi->sid,

				QPNP_POFF_REASON1(pon->base),

				buf, 2);

	if (rc) {

		dev_err(&pon->spmi->dev, "Unable to read POFF_RESASON regs\n");

		return rc;

	}

	poff_sts = buf[0] | (buf[1] << 8);

	index = ffs(poff_sts) - 1;

	if (index >= ARRAY_SIZE(qpnp_poff_reason) || index < 0)

		dev_info(&pon->spmi->dev,

				"PMIC@SID%d: Unknown power-off reason\n",

				pon->spmi->sid);

	else

		dev_info(&pon->spmi->dev,

				"PMIC@SID%d: Power-off reason: %s\n",

				pon->spmi->sid,

				qpnp_poff_reason[index]);



	/* program s3 debounce */

	rc = of_property_read_u32(pon->spmi->dev.of_node,