Commit 21be848e authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Chanwoo Choi
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extcon: axp288: Use for_each_set_bit() in axp288_extcon_log_rsi()



This simplifies and standardizes axp288_extcon_log_rsi()
by using for_each_set_bit() library function.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarChanwoo Choi <cw00.choi@samsung.com>
parent d72e3dc7
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+5 −8
Original line number Diff line number Diff line
@@ -121,7 +121,6 @@ static const char * const axp288_pwr_up_down_info[] = {
	"Last shutdown caused by PMIC UVLO threshold",
	"Last shutdown caused by SOC initiated cold off",
	"Last shutdown caused by user pressing the power button",
	NULL,
};

/*
@@ -130,8 +129,8 @@ static const char * const axp288_pwr_up_down_info[] = {
 */
static void axp288_extcon_log_rsi(struct axp288_extcon_info *info)
{
	const char * const *rsi;
	unsigned int val, i, clear_mask = 0;
	unsigned long bits;
	int ret;

	ret = regmap_read(info->regmap, AXP288_PS_BOOT_REASON_REG, &val);
@@ -140,12 +139,10 @@ static void axp288_extcon_log_rsi(struct axp288_extcon_info *info)
		return;
	}

	for (i = 0, rsi = axp288_pwr_up_down_info; *rsi; rsi++, i++) {
		if (val & BIT(i)) {
			dev_dbg(info->dev, "%s\n", *rsi);
			clear_mask |= BIT(i);
		}
	}
	bits = val & GENMASK(ARRAY_SIZE(axp288_pwr_up_down_info) - 1, 0);
	for_each_set_bit(i, &bits, ARRAY_SIZE(axp288_pwr_up_down_info))
		dev_dbg(info->dev, "%s\n", axp288_pwr_up_down_info[i]);
	clear_mask = bits;

	/* Clear the register value for next reboot (write 1 to clear bit) */
	regmap_write(info->regmap, AXP288_PS_BOOT_REASON_REG, clear_mask);