staging: brcm80211: remove custom gpio support code

The custom gpio code is intended for hardware platform for specific
customers and require supporting functionality not included in the
fullmac driver. The fullmac driver does not need this so it has been
removed.

Signed-off-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/brcm80211/brcmfmac/Makefile

@@ -30,7 +30,6 @@ DHDOFILES = \
 	wl_cfg80211.o \
 	dhd_cdc.o \
 	dhd_common.o \
-	dhd_custom_gpio.o \
 	dhd_sdio.o	\
 	dhd_linux.o \
 	bcmsdh.o \

drivers/staging/brcm80211/brcmfmac/dhd_linux.c

@@ -2192,8 +2192,6 @@ static void __exit brcmf_module_cleanup(void)
 #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC)
 	wifi_del_dev();
 #endif
-	/* Call customer gpio to turn off power with WL_REG_ON signal */
-	brcmf_customer_gpio_wlan_ctrl(WLAN_POWER_OFF);
 }
 
 static int __init brcmf_module_init(void)
@@ -2216,8 +2214,6 @@ static int __init brcmf_module_init(void)
 		DHD_ERROR(("Invalid module parameters.\n"));
 		return -EINVAL;
 	} while (0);
-	/* Call customer gpio to turn on power with WL_REG_ON signal */
-	brcmf_customer_gpio_wlan_ctrl(WLAN_POWER_ON);
 
 #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC)
 	sema_init(&wifi_control_sem, 0);
@@ -2245,11 +2241,9 @@ static int __init brcmf_module_init(void)
 		DHD_ERROR(("%s: dhd_bus_register failed\n", __func__));
 		goto failed;
 	}
-	return error;
+	return 0;
 
 failed:
-	/* turn off power and exit */
-	brcmf_customer_gpio_wlan_ctrl(WLAN_POWER_OFF);
 	return -EINVAL;
 }