From ebe596bcd1d4a39f12e330d15972ce036a3e3e18 Mon Sep 17 00:00:00 2001
From: Matias N <matias@protobits.dev>
Date: Sat, 16 Jan 2021 19:27:27 -0300
Subject: [PATCH] nrf52: enable and fix build for SPI BITORDER

---
 arch/arm/Kconfig               | 1 +
 arch/arm/src/nrf52/nrf52_spi.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index eae7a46011..dc49f39135 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -211,6 +211,7 @@ config ARCH_CHIP_NRF52
 	select ARCH_HAVE_TICKLESS
 	#select ARCH_HAVE_MPU
 	#select ARM_HAVE_MPU_UNIFIED
+	select ARCH_HAVE_SPI_BITORDER
 	select ARCH_HAVE_FPU
 	select ARCH_HAVE_PWM_MULTICHAN
 	select ARCH_HAVE_SERIAL_TERMIOS
diff --git a/arch/arm/src/nrf52/nrf52_spi.c b/arch/arm/src/nrf52/nrf52_spi.c
index 84eee94b38..c956de29f1 100644
--- a/arch/arm/src/nrf52/nrf52_spi.c
+++ b/arch/arm/src/nrf52/nrf52_spi.c
@@ -920,6 +920,7 @@ static int nrf52_spi_hwfeatures(FAR struct spi_dev_s *dev,
   FAR struct nrf52_spidev_s *priv = (FAR struct nrf52_spidev_s *)dev;
   uint32_t setbits = 0;
   uint32_t clrbits = 0;
+  uint32_t regval;
 
   spiinfo("features=%08x\n", features);