From 91d82fc6313940d89c96e48ed6be044d3a5dd2e0 Mon Sep 17 00:00:00 2001
From: Stephen Caudle <stephen@caudle.info>
Date: Sun, 26 Jul 2015 22:54:46 -0400
Subject: [PATCH] nRF51: Remove unnecessary direction setting

---
 os/hal/ports/NRF51/NRF51822/pal_lld.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/os/hal/ports/NRF51/NRF51822/pal_lld.c b/os/hal/ports/NRF51/NRF51822/pal_lld.c
index 5716498f..69fc9fef 100644
--- a/os/hal/ports/NRF51/NRF51822/pal_lld.c
+++ b/os/hal/ports/NRF51/NRF51822/pal_lld.c
@@ -51,7 +51,6 @@ void _pal_lld_setpadmode(ioportid_t port, uint8_t pad, iomode_t mode)
   switch (mode) {
   case PAL_MODE_RESET:
   case PAL_MODE_UNCONNECTED:
-    NRF_GPIO->DIRSET = ((uint32_t) 1 << pad);
     NRF_GPIO->PIN_CNF[pad] =
       (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos) |
       (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos) |
@@ -61,7 +60,6 @@ void _pal_lld_setpadmode(ioportid_t port, uint8_t pad, iomode_t mode)
     break;
   case PAL_MODE_INPUT:
   case PAL_MODE_INPUT_ANALOG:
-    NRF_GPIO->DIRCLR = ((uint32_t) 1 << pad);
     NRF_GPIO->PIN_CNF[pad] =
       (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos) |
       (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos) |
@@ -70,7 +68,6 @@ void _pal_lld_setpadmode(ioportid_t port, uint8_t pad, iomode_t mode)
       (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos);
     break;
   case PAL_MODE_INPUT_PULLUP:
-    NRF_GPIO->DIRCLR = ((uint32_t) 1 << pad);
     NRF_GPIO->PIN_CNF[pad] =
       (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos) |
       (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos) |
@@ -79,7 +76,6 @@ void _pal_lld_setpadmode(ioportid_t port, uint8_t pad, iomode_t mode)
       (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos);
     break;
   case PAL_MODE_INPUT_PULLDOWN:
-    NRF_GPIO->DIRCLR = ((uint32_t) 1 << pad);
     NRF_GPIO->PIN_CNF[pad] =
       (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos) |
       (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos) |
@@ -88,7 +84,6 @@ void _pal_lld_setpadmode(ioportid_t port, uint8_t pad, iomode_t mode)
       (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos);
     break;
   case PAL_MODE_OUTPUT_PUSHPULL:
-    NRF_GPIO->DIRSET = ((uint32_t) 1 << pad);
     NRF_GPIO->PIN_CNF[pad] =
       (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos) |
       (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos) |
@@ -97,7 +92,6 @@ void _pal_lld_setpadmode(ioportid_t port, uint8_t pad, iomode_t mode)
       (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos);
     break;
   case PAL_MODE_OUTPUT_OPENDRAIN:
-    NRF_GPIO->DIRSET = ((uint32_t) 1 << pad);
     NRF_GPIO->PIN_CNF[pad] =
       (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos) |
       (GPIO_PIN_CNF_DRIVE_S0D1 << GPIO_PIN_CNF_DRIVE_Pos) |