block: ide: Drop CONFIG_IDE_INIT_POSTRESET

This is not referenced anywhere. Drop it.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/drivers/block/ide.c b/drivers/block/ide.c
index edcf87b..cea0397 100644
--- a/drivers/block/ide.c
+++ b/drivers/block/ide.c
@@ -792,15 +792,6 @@
 	/* ATAPI Drives seems to need a proper IDE Reset */
 	ide_reset();
 
-#ifdef CONFIG_IDE_INIT_POSTRESET
-	WATCHDOG_RESET();
-
-	if (ide_init_postreset()) {
-		puts("ide_preinit_postreset failed\n");
-		return;
-	}
-#endif /* CONFIG_IDE_INIT_POSTRESET */
-
 	/*
 	 * Wait for IDE to get ready.
 	 * According to spec, this can take up to 31 seconds!
diff --git a/include/ide.h b/include/ide.h
index 9b0a4a9..a4be763 100644
--- a/include/ide.h
+++ b/include/ide.h
@@ -51,10 +51,6 @@
 int ide_preinit(void);
 #endif
 
-#ifdef CONFIG_IDE_INIT_POSTRESET
-int ide_init_postreset(void);
-#endif
-
 #if defined(CONFIG_OF_IDE_FIXUP)
 int ide_device_present(int dev);
 #endif
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index 84dc5c9..440f740 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -1080,7 +1080,6 @@
 CONFIG_I2C_TIMEOUT
 CONFIG_ICACHE
 CONFIG_ICS307_REFCLK_HZ
-CONFIG_IDE_INIT_POSTRESET
 CONFIG_IDE_LED
 CONFIG_IDE_PCMCIA
 CONFIG_IDE_PREINIT