power: supply: ab8500: Enable USB and AC

The vendor code tree supplies platform data to enable he
USB charging for AB8500 and AB8500 and disable the AC
charging on the AB8505. This was missed when the driver
was submitted to the mainline kernel.

Fix this by doing what the vendor kernel does: always
register the USB charger, do not register the AC charger
on the AB8505.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

drivers/power/supply/ab8500-bm.h

@@ -507,8 +507,6 @@ struct abx500_bm_data {
 	int bkup_bat_v;
 	int bkup_bat_i;
 	bool autopower_cfg;
-	bool ac_enabled;
-	bool usb_enabled;
 	bool no_maintenance;
 	bool capacity_scaling;
 	bool chg_unknown_bat;

drivers/power/supply/ab8500_charger.c

@@ -3511,7 +3511,14 @@ static int ab8500_charger_probe(struct platform_device *pdev)
 	di->ac_chg.max_out_curr =
 		di->bm->chg_output_curr[di->bm->n_chg_out_curr - 1];
 	di->ac_chg.wdt_refresh = CHG_WD_INTERVAL;
-	di->ac_chg.enabled = di->bm->ac_enabled;
+	/*
+	 * The AB8505 only supports USB charging. If we are not the
+	 * AB8505, register an AC charger.
+	 *
+	 * TODO: if this should be opt-in, add DT properties for this.
+	 */
+	if (!is_ab8505(di->parent))
+		di->ac_chg.enabled = true;
 	di->ac_chg.external = false;
 
 	/* USB supply */
@@ -3525,7 +3532,6 @@ static int ab8500_charger_probe(struct platform_device *pdev)
 	di->usb_chg.max_out_curr =
 		di->bm->chg_output_curr[di->bm->n_chg_out_curr - 1];
 	di->usb_chg.wdt_refresh = CHG_WD_INTERVAL;
-	di->usb_chg.enabled = di->bm->usb_enabled;
 	di->usb_chg.external = false;
 	di->usb_state.usb_current = -1;
 
@@ -3599,7 +3605,6 @@ static int ab8500_charger_probe(struct platform_device *pdev)
 	}
 
 	/* Register USB charger class */
-	if (di->usb_chg.enabled) {
 	di->usb_chg.psy = devm_power_supply_register(dev,
 						     &ab8500_usb_chg_desc,
 						     &usb_psy_cfg);
@@ -3607,7 +3612,6 @@ static int ab8500_charger_probe(struct platform_device *pdev)
 		dev_err(dev, "failed to register USB charger\n");
 		return PTR_ERR(di->usb_chg.psy);
 	}
-	}
 
 	/* Identify the connected charger types during startup */
 	charger_status = ab8500_charger_detect_chargers(di, true);