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Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6

Browse Source 
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6:
  ide-gd: re-get capacity on revalidate
  tx4938ide: Avoid underflow on calculation of a wait cycle
  tx4938ide: Do not call devm_ioremap for whole 128KB
  tx4938ide: Check minimum cycle time and SHWT range (v2)
  ide: Switch to a common address
  ide-cd: fix DMA alignment regression
This commit is contained in:
Linus Torvalds 2008-11-02 13:32:26 -08:00
commit ae29a18594
14 changed files with 46 additions and 27 deletions
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2
drivers/ide/alim15x3.c
View File

@ -5,7 +5,7 @@
*
* Copyright (C) 1998-2000 Andre Hedrick (andre@linux-ide.org)
* May be copied or modified under the terms of the GNU General Public License
* Copyright (C) 2002 Alan Cox <alan@redhat.com>
* Copyright (C) 2002 Alan Cox
* ALi (now ULi M5228) support by Clear Zhang <Clear.Zhang@ali.com.tw>
* Copyright (C) 2007 MontaVista Software, Inc. <source@mvista.com>
* Copyright (C) 2007 Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

2
drivers/ide/hpt366.c
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@ -52,7 +52,7 @@
* different clocks on read/write. This requires overloading rw_disk and
* other deeply crazy things. Thanks to <http://www.hoerstreich.de> for
* keeping me sane.
* Alan Cox <alan@redhat.com>
* Alan Cox <alan@lxorguk.ukuu.org.uk>
*
* - fix the clock turnaround code: it was writing to the wrong ports when
* called for the secondary channel, caching the current clock mode per-

3
drivers/ide/ide-cd.c
View File

@ -1250,7 +1250,8 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
* separate masks.
*/
alignment = queue_dma_alignment(q) | q->dma_pad_mask;
if ((unsigned long)buf & alignment || rq->data_len & alignment
if ((unsigned long)buf & alignment
|| rq->data_len & q->dma_pad_mask
|| object_is_on_stack(buf))
drive->dma = 0;
}

2
drivers/ide/ide-disk.c
View File

@ -2,7 +2,7 @@
* Copyright (C) 1994-1998 Linus Torvalds & authors (see below)
* Copyright (C) 1998-2002 Linux ATA Development
* Andre Hedrick <andre@linux-ide.org>
* Copyright (C) 2003 Red Hat <alan@redhat.com>
* Copyright (C) 2003 Red Hat
* Copyright (C) 2003-2005, 2007 Bartlomiej Zolnierkiewicz
*/

7
drivers/ide/ide-gd.c
View File

@ -281,7 +281,12 @@ static int ide_gd_media_changed(struct gendisk *disk)
static int ide_gd_revalidate_disk(struct gendisk *disk)
{
struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
set_capacity(disk, ide_gd_capacity(idkp->drive));
ide_drive_t *drive = idkp->drive;
if (ide_gd_media_changed(disk))
drive->disk_ops->get_capacity(drive);
set_capacity(disk, ide_gd_capacity(drive));
return 0;
}

2
drivers/ide/ide-iops.c
View File

@ -1,6 +1,6 @@
/*
* Copyright (C) 2000-2002 Andre Hedrick <andre@linux-ide.org>
* Copyright (C) 2003 Red Hat <alan@redhat.com>
* Copyright (C) 2003 Red Hat
*
*/

2
drivers/ide/ide-pci-generic.c
View File

@ -1,6 +1,6 @@
/*
* Copyright (C) 2001-2002 Andre Hedrick <andre@linux-ide.org>
* Portions (C) Copyright 2002 Red Hat Inc <alan@redhat.com>
* Portions (C) Copyright 2002 Red Hat Inc
*
* 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 the

2
drivers/ide/ide-proc.c
View File

@ -1,6 +1,6 @@
/*
* Copyright (C) 1997-1998 Mark Lord
* Copyright (C) 2003 Red Hat <alan@redhat.com>
* Copyright (C) 2003 Red Hat
*
* Some code was moved here from ide.c, see it for original copyrights.
*/

2
drivers/ide/it821x.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (C) 2004 Red Hat <alan@redhat.com>
* Copyright (C) 2004 Red Hat
* Copyright (C) 2007 Bartlomiej Zolnierkiewicz
*
* May be copied or modified under the terms of the GNU General Public License

2
drivers/ide/jmicron.c
View File

@ -1,6 +1,6 @@
/*
* Copyright (C) 2006 Red Hat <alan@redhat.com>
* Copyright (C) 2006 Red Hat
*
* May be copied or modified under the terms of the GNU General Public License
*/

2
drivers/ide/piix.c
View File

@ -1,7 +1,7 @@
/*
* Copyright (C) 1998-1999 Andrzej Krzysztofowicz, Author and Maintainer
* Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org>
* Copyright (C) 2003 Red Hat Inc <alan@redhat.com>
* Copyright (C) 2003 Red Hat
* Copyright (C) 2006-2007 MontaVista Software, Inc. <source@mvista.com>
*
* May be copied or modified under the terms of the GNU General Public License

2
drivers/ide/scc_pata.c
View File

@ -5,7 +5,7 @@
*
* This code is based on drivers/ide/pci/siimage.c:
* Copyright (C) 2001-2002 Andre Hedrick <andre@linux-ide.org>
* Copyright (C) 2003 Red Hat <alan@redhat.com>
* Copyright (C) 2003 Red Hat
*
* 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

2
drivers/ide/siimage.c
View File

@ -1,6 +1,6 @@
/*
* Copyright (C) 2001-2002 Andre Hedrick <andre@linux-ide.org>
* Copyright (C) 2003 Red Hat <alan@redhat.com>
* Copyright (C) 2003 Red Hat
* Copyright (C) 2007-2008 MontaVista Software, Inc.
* Copyright (C) 2007-2008 Bartlomiej Zolnierkiewicz
*

41
drivers/ide/tx4938ide.c
View File

@ -26,12 +26,13 @@ static void tx4938ide_tune_ebusc(unsigned int ebus_ch,
unsigned int sp = (cr >> 4) & 3;
unsigned int clock = gbus_clock / (4 - sp);
unsigned int cycle = 1000000000 / clock;
unsigned int wt, shwt;
unsigned int shwt;
int wt;
/* Minimum DIOx- active time */
wt = DIV_ROUND_UP(t->act8b, cycle) - 2;
/* IORDY setup time: 35ns */
wt = max(wt, DIV_ROUND_UP(35, cycle));
wt = max_t(int, wt, DIV_ROUND_UP(35, cycle));
/* actual wait-cycle is max(wt & ~1, 1) */
if (wt > 2 && (wt & 1))
wt++;
@ -39,10 +40,17 @@ static void tx4938ide_tune_ebusc(unsigned int ebus_ch,
/* Address-valid to DIOR/DIOW setup */
shwt = DIV_ROUND_UP(t->setup, cycle);
/* -DIOx recovery time (SHWT * 4) and cycle time requirement */
while ((shwt * 4 + wt + (wt ? 2 : 3)) * cycle < t->cycle)
shwt++;
if (shwt > 7) {
pr_warning("tx4938ide: SHWT violation (%d)\n", shwt);
shwt = 7;
}
pr_debug("tx4938ide: ebus %d, bus cycle %dns, WT %d, SHWT %d\n",
ebus_ch, cycle, wt, shwt);
__raw_writeq((cr & ~(0x3f007ull)) | (wt << 12) | shwt,
__raw_writeq((cr & ~0x3f007ull) | (wt << 12) | shwt,
&tx4938_ebuscptr->cr[ebus_ch]);
}
@ -228,7 +236,7 @@ static int __init tx4938ide_probe(struct platform_device *pdev)
struct resource *res;
struct tx4938ide_platform_info *pdata = pdev->dev.platform_data;
int irq, ret, i;
unsigned long mapbase;
unsigned long mapbase, mapctl;
struct ide_port_info d = tx4938ide_port_info;
irq = platform_get_irq(pdev, 0);
@ -242,38 +250,43 @@ static int __init tx4938ide_probe(struct platform_device *pdev)
res->end - res->start + 1, "tx4938ide"))
return -EBUSY;
mapbase = (unsigned long)devm_ioremap(&pdev->dev, res->start,
res->end - res->start + 1);
if (!mapbase)
8 << pdata->ioport_shift);
mapctl = (unsigned long)devm_ioremap(&pdev->dev,
res->start + 0x10000 +
(6 << pdata->ioport_shift),
1 << pdata->ioport_shift);
if (!mapbase || !mapctl)
return -EBUSY;
memset(&hw, 0, sizeof(hw));
if (pdata->ioport_shift) {
unsigned long port = mapbase;
unsigned long ctl = mapctl;
hw.io_ports_array[0] = port;
#ifdef __BIG_ENDIAN
port++;
ctl++;
#endif
for (i = 1; i <= 7; i++)
hw.io_ports_array[i] =
port + (i << pdata->ioport_shift);
hw.io_ports.ctl_addr =
port + 0x10000 + (6 << pdata->ioport_shift);
hw.io_ports.ctl_addr = ctl;
} else
ide_std_init_ports(&hw, mapbase, mapbase + 0x10006);
ide_std_init_ports(&hw, mapbase, mapctl);
hw.irq = irq;
hw.dev = &pdev->dev;
pr_info("TX4938 IDE interface (base %#lx, irq %d)\n", mapbase, hw.irq);
pr_info("TX4938 IDE interface (base %#lx, ctl %#lx, irq %d)\n",
mapbase, mapctl, hw.irq);
if (pdata->gbus_clock)
tx4938ide_tune_ebusc(pdata->ebus_ch, pdata->gbus_clock, 0);
else
d.port_ops = NULL;
ret = ide_host_add(&d, hws, &host);
if (ret)
return ret;
platform_set_drvdata(pdev, host);
return 0;
if (!ret)
platform_set_drvdata(pdev, host);
return ret;
}
static int __exit tx4938ide_remove(struct platform_device *pdev)