From b0b14b5ba11bec56fad344a4a0b2e16449cc8b94 Mon Sep 17 00:00:00 2001 From: Jiasheng Jiang Date: Fri, 4 Mar 2022 09:57:51 +0800 Subject: power: supply: wm8350-power: Handle error for wm8350_register_irq As the potential failure of the wm8350_register_irq(), it should be better to check it and return error if fails. Also, use 'free_' in order to avoid same code. Fixes: 14431aa0c5a4 ("power_supply: Add support for WM8350 PMU") Signed-off-by: Jiasheng Jiang Acked-by: Charles Keepax Signed-off-by: Sebastian Reichel --- drivers/power/supply/wm8350_power.c | 96 +++++++++++++++++++++++++++++++------ 1 file changed, 82 insertions(+), 14 deletions(-) (limited to 'drivers/power') diff --git a/drivers/power/supply/wm8350_power.c b/drivers/power/supply/wm8350_power.c index e05cee457471..9c46c48dccb1 100644 --- a/drivers/power/supply/wm8350_power.c +++ b/drivers/power/supply/wm8350_power.c @@ -408,44 +408,112 @@ static const struct power_supply_desc wm8350_usb_desc = { * Initialisation *********************************************************************/ -static void wm8350_init_charger(struct wm8350 *wm8350) +static int wm8350_init_charger(struct wm8350 *wm8350) { + int ret; + /* register our interest in charger events */ - wm8350_register_irq(wm8350, WM8350_IRQ_CHG_BAT_HOT, + ret = wm8350_register_irq(wm8350, WM8350_IRQ_CHG_BAT_HOT, wm8350_charger_handler, 0, "Battery hot", wm8350); - wm8350_register_irq(wm8350, WM8350_IRQ_CHG_BAT_COLD, + if (ret) + goto err; + + ret = wm8350_register_irq(wm8350, WM8350_IRQ_CHG_BAT_COLD, wm8350_charger_handler, 0, "Battery cold", wm8350); - wm8350_register_irq(wm8350, WM8350_IRQ_CHG_BAT_FAIL, + if (ret) + goto free_chg_bat_hot; + + ret = wm8350_register_irq(wm8350, WM8350_IRQ_CHG_BAT_FAIL, wm8350_charger_handler, 0, "Battery fail", wm8350); - wm8350_register_irq(wm8350, WM8350_IRQ_CHG_TO, + if (ret) + goto free_chg_bat_cold; + + ret = wm8350_register_irq(wm8350, WM8350_IRQ_CHG_TO, wm8350_charger_handler, 0, "Charger timeout", wm8350); - wm8350_register_irq(wm8350, WM8350_IRQ_CHG_END, + if (ret) + goto free_chg_bat_fail; + + ret = wm8350_register_irq(wm8350, WM8350_IRQ_CHG_END, wm8350_charger_handler, 0, "Charge end", wm8350); - wm8350_register_irq(wm8350, WM8350_IRQ_CHG_START, + if (ret) + goto free_chg_to; + + ret = wm8350_register_irq(wm8350, WM8350_IRQ_CHG_START, wm8350_charger_handler, 0, "Charge start", wm8350); - wm8350_register_irq(wm8350, WM8350_IRQ_CHG_FAST_RDY, + if (ret) + goto free_chg_end; + + ret = wm8350_register_irq(wm8350, WM8350_IRQ_CHG_FAST_RDY, wm8350_charger_handler, 0, "Fast charge ready", wm8350); - wm8350_register_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_3P9, + if (ret) + goto free_chg_start; + + ret = wm8350_register_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_3P9, wm8350_charger_handler, 0, "Battery <3.9V", wm8350); - wm8350_register_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_3P1, + if (ret) + goto free_chg_fast_rdy; + + ret = wm8350_register_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_3P1, wm8350_charger_handler, 0, "Battery <3.1V", wm8350); - wm8350_register_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_2P85, + if (ret) + goto free_chg_vbatt_lt_3p9; + + ret = wm8350_register_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_2P85, wm8350_charger_handler, 0, "Battery <2.85V", wm8350); + if (ret) + goto free_chg_vbatt_lt_3p1; /* and supply change events */ - wm8350_register_irq(wm8350, WM8350_IRQ_EXT_USB_FB, + ret = wm8350_register_irq(wm8350, WM8350_IRQ_EXT_USB_FB, wm8350_charger_handler, 0, "USB", wm8350); - wm8350_register_irq(wm8350, WM8350_IRQ_EXT_WALL_FB, + if (ret) + goto free_chg_vbatt_lt_2p85; + + ret = wm8350_register_irq(wm8350, WM8350_IRQ_EXT_WALL_FB, wm8350_charger_handler, 0, "Wall", wm8350); - wm8350_register_irq(wm8350, WM8350_IRQ_EXT_BAT_FB, + if (ret) + goto free_ext_usb_fb; + + ret = wm8350_register_irq(wm8350, WM8350_IRQ_EXT_BAT_FB, wm8350_charger_handler, 0, "Battery", wm8350); + if (ret) + goto free_ext_wall_fb; + + return 0; + +free_ext_wall_fb: + wm8350_free_irq(wm8350, WM8350_IRQ_EXT_WALL_FB, wm8350); +free_ext_usb_fb: + wm8350_free_irq(wm8350, WM8350_IRQ_EXT_USB_FB, wm8350); +free_chg_vbatt_lt_2p85: + wm8350_free_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_2P85, wm8350); +free_chg_vbatt_lt_3p1: + wm8350_free_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_3P1, wm8350); +free_chg_vbatt_lt_3p9: + wm8350_free_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_3P9, wm8350); +free_chg_fast_rdy: + wm8350_free_irq(wm8350, WM8350_IRQ_CHG_FAST_RDY, wm8350); +free_chg_start: + wm8350_free_irq(wm8350, WM8350_IRQ_CHG_START, wm8350); +free_chg_end: + wm8350_free_irq(wm8350, WM8350_IRQ_CHG_END, wm8350); +free_chg_to: + wm8350_free_irq(wm8350, WM8350_IRQ_CHG_TO, wm8350); +free_chg_bat_fail: + wm8350_free_irq(wm8350, WM8350_IRQ_CHG_BAT_FAIL, wm8350); +free_chg_bat_cold: + wm8350_free_irq(wm8350, WM8350_IRQ_CHG_BAT_COLD, wm8350); +free_chg_bat_hot: + wm8350_free_irq(wm8350, WM8350_IRQ_CHG_BAT_HOT, wm8350); +err: + return ret; } static void free_charger_irq(struct wm8350 *wm8350) -- cgit v1.2.3