The patch titled
pdc202xx_new: fix PIO mode setup
has been added to the -mm tree. Its filename is
pdc202xx_new-fix-pio-mode-setup.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: pdc202xx_new: fix PIO mode setup
From: Sergei Shtylyov <sshtylyov@xxxxxxxxxxxxx>
Fix pdcnew_tune_drive() to always set the PIO mode requested, not pick the
best possible one, change pdcnew_config_drive_xfer_rate() accordingly, and
get rid of the duplicate tuneproc() call in config_chipset_for_dma().
Signed-off-by: Sergei Shtylyov <sshtylyov@xxxxxxxxxxxxx>
Cc: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/ide/pci/pdc202xx_new.c | 15 +++++----------
1 file changed, 5 insertions(+), 10 deletions(-)
diff -puN drivers/ide/pci/pdc202xx_new.c~pdc202xx_new-fix-pio-mode-setup drivers/ide/pci/pdc202xx_new.c
--- a/drivers/ide/pci/pdc202xx_new.c~pdc202xx_new-fix-pio-mode-setup
+++ a/drivers/ide/pci/pdc202xx_new.c
@@ -9,6 +9,7 @@
* Split from:
* linux/drivers/ide/pdc202xx.c Version 0.35 Mar. 30, 2002
* Copyright (C) 1998-2002 Andre Hedrick <andre@xxxxxxxxxxxxx>
+ * Copyright (C) 2005-2006 MontaVista Software, Inc.
* Portions Copyright (C) 1999 Promise Technology, Inc.
* Author: Frank Tiernan (frankt@xxxxxxxxxxx)
* Released under terms of General Public License
@@ -168,12 +169,8 @@ static int pdcnew_new_tune_chipset (ide_
*/
static void pdcnew_tune_drive(ide_drive_t *drive, u8 pio)
{
- u8 speed;
-
- if (pio == 5) pio = 4;
- speed = XFER_PIO_0 + ide_get_best_pio_mode(drive, 255, pio, NULL);
-
- (void)pdcnew_new_tune_chipset(drive, speed);
+ pio = ide_get_best_pio_mode(drive, pio, 4, NULL);
+ (void)pdcnew_new_tune_chipset(drive, XFER_PIO_0 + pio);
}
static u8 pdcnew_new_cable_detect (ide_hwif_t *hwif)
@@ -207,10 +204,8 @@ static int config_chipset_for_dma (ide_d
speed = ide_dma_speed(drive, pdcnew_ratemask(drive));
- if (!(speed)) {
- hwif->tuneproc(drive, 5);
+ if (!speed)
return 0;
- }
(void) hwif->speedproc(drive, speed);
return ide_dma_enable(drive);
@@ -234,7 +229,7 @@ static int pdcnew_config_drive_xfer_rate
} else if ((id->capability & 8) || (id->field_valid & 2)) {
fast_ata_pio:
- hwif->tuneproc(drive, 5);
+ hwif->tuneproc(drive, 255);
return hwif->ide_dma_off_quietly(drive);
}
/* IORDY not supported */
_
Patches currently in -mm which might be from sshtylyov@xxxxxxxxxxxxx are
3x59x-fix-pci-resource-management.patch
ide-hpt3xxn-clocking-fixes.patch
ide-fix-hpt37x-timing-tables.patch
ide-optimize-hpt37x-timing-tables.patch
ide-fix-hpt3xx-hotswap-support.patch
ide-fix-the-case-of-multiple-hpt3xx-chips-present.patch
ide-hpt3xx-fix-pci-clock-detection.patch
ide-hpt3xx-fix-pci-clock-detection-fix-2.patch
piix-fix-82371mx-enablebits.patch
piix-remove-check-for-broken-mw-dma-mode-0.patch
piix-slc90e66-pio-mode-fallback-fix.patch
hpt3xx-rework-rate-filtering.patch
hpt3xx-rework-rate-filtering-tidy.patch
hpt3xx-print-the-real-chip-name-at-startup.patch
hpt3xx-switch-to-using-pci_get_slot.patch
hpt3xx-cache-channels-mcr-address.patch
hpt3x7-merge-speedproc-handlers.patch
hpt370-clean-up-dma-timeout-handling.patch
hpt3xx-init-code-rewrite.patch
pdc202xx_new-fix-pio-mode-setup.patch
-
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