From 6f335dc6c630d14b2e261c288f153c92a79bb953 Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Sat, 7 Feb 2015 13:59:45 -0600
Subject: [PATCH] STM32 SPI:  The source clock for SPI 4,5, and 6 should be
 PCLK2, not PCLK1 (for F411, F427, and F429).  Per David Sidrane.

---
 arch/arm/src/stm32/stm32_spi.c | 6 +++---
 drivers/serial/lowconsole.c    | 1 +
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/arch/arm/src/stm32/stm32_spi.c b/arch/arm/src/stm32/stm32_spi.c
index 70d7925ddb..6cbdff6ec9 100644
--- a/arch/arm/src/stm32/stm32_spi.c
+++ b/arch/arm/src/stm32/stm32_spi.c
@@ -409,7 +409,7 @@ static struct stm32_spidev_s g_spi4dev =
 {
   .spidev   = { &g_sp4iops },
   .spibase  = STM32_SPI4_BASE,
-  .spiclock = STM32_PCLK1_FREQUENCY,
+  .spiclock = STM32_PCLK2_FREQUENCY,
 #ifdef CONFIG_STM32_SPI_INTERRUPTS
   .spiirq   = STM32_IRQ_SPI4,
 #endif
@@ -448,7 +448,7 @@ static struct stm32_spidev_s g_spi5dev =
 {
   .spidev   = { &g_sp5iops },
   .spibase  = STM32_SPI5_BASE,
-  .spiclock = STM32_PCLK1_FREQUENCY,
+  .spiclock = STM32_PCLK2_FREQUENCY,
 #ifdef CONFIG_STM32_SPI_INTERRUPTS
   .spiirq   = STM32_IRQ_SPI5,
 #endif
@@ -487,7 +487,7 @@ static struct stm32_spidev_s g_spi6dev =
 {
   .spidev   = { &g_sp6iops },
   .spibase  = STM32_SPI6_BASE,
-  .spiclock = STM32_PCLK1_FREQUENCY,
+  .spiclock = STM32_PCLK2_FREQUENCY,
 #ifdef CONFIG_STM32_SPI_INTERRUPTS
   .spiirq   = STM32_IRQ_SPI6,
 #endif
diff --git a/drivers/serial/lowconsole.c b/drivers/serial/lowconsole.c
index 90bfefd204..f1ee3885c9 100644
--- a/drivers/serial/lowconsole.c
+++ b/drivers/serial/lowconsole.c
@@ -115,6 +115,7 @@ static ssize_t lowconsole_write(struct file *filep, const char *buffer, size_t b
     {
       up_putc(*buffer++);
     }
+
   return ret;
 }