From 56cf7119e18c0fc3a3cecd62e2b19769d01e06de Mon Sep 17 00:00:00 2001

From: yEsPaP <csgo40055@gmail.com>

Date: Sat, 6 Feb 2021 10:03:11 +0200
Subject: [PATCH] drivers: misc: modem_v1: add support for old bootloaders

---
 drivers/misc/modem_v1/Kconfig              | 4 ++++
 drivers/misc/modem_v1/modem_ctrl_ss310ap.c | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/drivers/misc/modem_v1/Kconfig b/drivers/misc/modem_v1/Kconfig
index 905d3b29c..d75d3dfbc 100644
--- a/drivers/misc/modem_v1/Kconfig
+++ b/drivers/misc/modem_v1/Kconfig
@@ -102,5 +102,9 @@ config KLAT
 	bool "kernel CLAT"
 	default n
 
+config OREO_OR_OLDER
+	bool "Android 8.1 and older Bootloader/Modem Support"
+	default n
+
 endmenu
 endif
diff --git a/drivers/misc/modem_v1/modem_ctrl_ss310ap.c b/drivers/misc/modem_v1/modem_ctrl_ss310ap.c
index f36f3d57c..4ce2b6c46 100644
--- a/drivers/misc/modem_v1/modem_ctrl_ss310ap.c
+++ b/drivers/misc/modem_v1/modem_ctrl_ss310ap.c
@@ -167,7 +167,11 @@ static int __init mif_get_hw_rev(char *arg)
     get_option(&arg, &sys_rev);
     return 0;
 }
+#ifdef CONFIG_OREO_OR_OLDER
+early_param("androidboot.hw_rev", mif_get_hw_rev);
+#else
 early_param("androidboot.revision", mif_get_hw_rev);
+#endif
 
 static int init_mailbox_regs(struct modem_ctl *mc)
 {