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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2019-07-26 14:18:20 +0200 |
|---|---|---|
| committer | Chanwoo Choi <cw00.choi@samsung.com> | 2019-07-29 03:24:14 +0200 |
| commit | 21be848ebc5f3cb714b23c2528fbe73f69073c32 (patch) | |
| tree | e62562bc2c888d57b242e7316b17fa11387e44af /drivers/extcon | |
| parent | extcon: axp288: Add missed error check (diff) | |
| download | linux-21be848ebc5f3cb714b23c2528fbe73f69073c32.tar.xz linux-21be848ebc5f3cb714b23c2528fbe73f69073c32.zip | |
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: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Diffstat (limited to 'drivers/extcon')
| -rw-r--r-- | drivers/extcon/extcon-axp288.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/extcon/extcon-axp288.c b/drivers/extcon/extcon-axp288.c index 694a8d4a57ff..415afaf479e7 100644 --- a/drivers/extcon/extcon-axp288.c +++ b/drivers/extcon/extcon-axp288.c @@ -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); |