From e5a7388fc71c551e00e9abc6b2e25402acf8829b Mon Sep 17 00:00:00 2001
From: Boris Gjenero <dreamlayers@rockbox.org>
Date: Sun, 27 Nov 2011 17:40:57 +0000
Subject: [PATCH] If Rockbox never turns off ATA power, don't compile code for
 turning it back on. Note that ATA power may still need to be turned on when
 starting, so that code in ata_init() always remains.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31079 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/drivers/ata.c | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/firmware/drivers/ata.c b/firmware/drivers/ata.c
index 35dff56f6c..309a155eb6 100644
--- a/firmware/drivers/ata.c
+++ b/firmware/drivers/ata.c
@@ -161,7 +161,9 @@ static bool ata_led_on = false;
 #endif
 static bool spinup = false;
 static bool sleeping = true;
+#ifdef HAVE_ATA_POWER_OFF
 static bool poweroff = false;
+#endif
 static long sleep_timeout = 5*HZ;
 #ifdef HAVE_LBA48
 static bool lba48 = false; /* set for 48 bit addressing */
@@ -195,7 +197,9 @@ static int phys_sector_mult = 1;
 static int dma_mode = 0;
 #endif
 
+#ifdef HAVE_ATA_POWER_OFF
 static int ata_power_on(void);
+#endif
 static int perform_soft_reset(void);
 static int set_multiple_mode(int sectors);
 static int set_features(void);
@@ -367,13 +371,16 @@ static int ata_transfer_sectors(unsigned long start,
     if ( sleeping ) {
         sleeping = false; /* set this now since it'll be on */
         spinup = true;
+#ifdef HAVE_ATA_POWER_OFF
         if (poweroff) {
             if (ata_power_on()) {
                 ret = -2;
                 goto error;
             }
         }
-        else {
+        else
+#endif
+        {
             if (perform_soft_reset()) {
                 ret = -2;
                 goto error;
@@ -462,7 +469,9 @@ static int ata_transfer_sectors(unsigned long start,
             if (spinup) {
                 spinup_time = current_tick - spinup_start;
                 spinup = false;
+#ifdef HAVE_ATA_POWER_OFF
                 poweroff = false;
+#endif
             }
         }
         else
@@ -491,7 +500,9 @@ static int ata_transfer_sectors(unsigned long start,
                 if (spinup) {
                     spinup_time = current_tick - spinup_start;
                     spinup = false;
+#ifdef HAVE_ATA_POWER_OFF
                     poweroff = false;
+#endif
                 }
 
                 /* read the status register exactly once per loop */
@@ -934,11 +945,14 @@ static void ata_thread(void)
                     ata_led(true);
                     sleeping = false; /* set this now since it'll be on */
 
+#ifdef HAVE_ATA_POWER_OFF
                     if (poweroff) {
                         ata_power_on();
                         poweroff = false;
                     }
-                    else {
+                    else
+#endif
+                    {
                         perform_soft_reset();
                     }
 
@@ -980,7 +994,11 @@ static void ata_thread(void)
 }
 
 /* Hardware reset protocol as specified in chapter 9.1, ATA spec draft v5 */
+#ifdef HAVE_ATA_POWER_OFF
 static int ata_hard_reset(void)
+#else
+static int STORAGE_INIT_ATTR ata_hard_reset(void)
+#endif
 {
     int ret;
 
@@ -1056,6 +1074,7 @@ int ata_soft_reset(void)
     return ret;
 }
 
+#ifdef HAVE_ATA_POWER_OFF
 static int ata_power_on(void)
 {
     int rc;
@@ -1085,6 +1104,7 @@ static int ata_power_on(void)
 
     return 0;
 }
+#endif
 
 static int STORAGE_INIT_ATTR master_slave_detect(void)
 {