From 1db0502b3573b6047041c8aa2e56b9867bc04e9c Mon Sep 17 00:00:00 2001
From: TuxSH <1922548+TuxSH@users.noreply.github.com>
Date: Wed, 24 Jul 2019 01:08:18 +0200
Subject: [PATCH] thermosphere: proper uart_reset impl for uart-b

---
 thermosphere/src/platform/tegra/uart.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/thermosphere/src/platform/tegra/uart.c b/thermosphere/src/platform/tegra/uart.c
index bab82a5fb..761dc527c 100644
--- a/thermosphere/src/platform/tegra/uart.c
+++ b/thermosphere/src/platform/tegra/uart.c
@@ -69,10 +69,16 @@ void uart_config(UartDevice dev) {
 void uart_reset(UartDevice dev)
 {
     CarDevice uartCarDevs[] = { CARDEVICE_UARTA, CARDEVICE_UARTB, CARDEVICE_UARTC, CARDEVICE_UARTD };
+    if (dev == UART_B) {
+        gpio_configure_mode(TEGRA_GPIO(G, 0), GPIO_MODE_SFIO);
+    } else {
+        gpio_configure_mode(TEGRA_GPIO(G, 0), GPIO_MODE_GPIO);
+    }
+
     if (dev == UART_C) {
-        gpio_configure_mode(TEGRA_GPIO(G, 0), GPIO_MODE_GPIO);      // Leave UART-B as GPIO
-        gpio_configure_mode(TEGRA_GPIO(D, 1), GPIO_MODE_SFIO);      // Change UART-C to SPIO
-        // Fixme other uart?
+        gpio_configure_mode(TEGRA_GPIO(D, 1), GPIO_MODE_SFIO);
+    } else {
+        gpio_configure_mode(TEGRA_GPIO(D, 1), GPIO_MODE_GPIO);
     }
 
     uart_config(dev);