From c9d6c1a2379373219bb3271bdcbdc0ab2edf349d Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 16 Jul 2008 20:33:39 +0200
Subject: ide: move ide_pio_cycle_time() to ide-timings.c

All ide_pio_cycle_time() users already select CONFIG_IDE_TIMINGS
so move the function from ide-lib.c to ide-timings.c.

While at it:

- convert ide_pio_cycle_time() to use ide_timing_find_mode()

- cleanup ide_pio_cycle_time() a bit

There should be no functional changes caused by this patch.

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-lib.c     | 23 -----------------------
 drivers/ide/ide-timings.c | 22 ++++++++++++++++++++++
 2 files changed, 22 insertions(+), 23 deletions(-)

(limited to 'drivers/ide')

diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c
index 7e053d217732..efa5bfa64d01 100644
--- a/drivers/ide/ide-lib.c
+++ b/drivers/ide/ide-lib.c
@@ -188,29 +188,6 @@ static int ide_scan_pio_blacklist (char *model)
 	return -1;
 }
 
-unsigned int ide_pio_cycle_time(ide_drive_t *drive, u8 pio)
-{
-	struct hd_driveid *id = drive->id;
-	int cycle_time = 0;
-
-	if (id->field_valid & 2) {
-		if (id->capability & 8)
-			cycle_time = id->eide_pio_iordy;
-		else
-			cycle_time = id->eide_pio;
-	}
-
-	/* conservative "downgrade" for all pre-ATA2 drives */
-	if (pio < 3) {
-		if (cycle_time && cycle_time < ide_pio_timings[pio].cycle_time)
-			cycle_time = 0; /* use standard timing */
-	}
-
-	return cycle_time ? cycle_time : ide_pio_timings[pio].cycle_time;
-}
-
-EXPORT_SYMBOL_GPL(ide_pio_cycle_time);
-
 /**
  *	ide_get_best_pio_mode	-	get PIO mode from drive
  *	@drive: drive to consider
diff --git a/drivers/ide/ide-timings.c b/drivers/ide/ide-timings.c
index ebef6d4e3f63..8c2f8327f487 100644
--- a/drivers/ide/ide-timings.c
+++ b/drivers/ide/ide-timings.c
@@ -1,5 +1,6 @@
 /*
  *  Copyright (c) 1999-2001 Vojtech Pavlik
+ *  Copyright (c) 2007-2008 Bartlomiej Zolnierkiewicz
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -75,6 +76,27 @@ struct ide_timing *ide_timing_find_mode(u8 speed)
 }
 EXPORT_SYMBOL_GPL(ide_timing_find_mode);
 
+u16 ide_pio_cycle_time(ide_drive_t *drive, u8 pio)
+{
+	struct hd_driveid *id = drive->id;
+	struct ide_timing *t = ide_timing_find_mode(XFER_PIO_0 + pio);
+	u16 cycle = 0;
+
+	if (id->field_valid & 2) {
+		if (id->capability & 8)
+			cycle = id->eide_pio_iordy;
+		else
+			cycle = id->eide_pio;
+
+		/* conservative "downgrade" for all pre-ATA2 drives */
+		if (pio < 3 && cycle < t->cycle)
+			cycle = 0; /* use standard timing */
+	}
+
+	return cycle ? cycle : t->cycle;
+}
+EXPORT_SYMBOL_GPL(ide_pio_cycle_time);
+
 #define ENOUGH(v, unit)		(((v) - 1) / (unit) + 1)
 #define EZ(v, unit)		((v) ? ENOUGH(v, unit) : 0)
 
-- 
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