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Date: Sun, 2 Nov 2008 21:52:37 +0100
From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
Stephen Rothwell <sfr@...b.auug.org.au>,
linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [git pull] IDE fixes #1
ide-cd DVD burning regression fix (Borislav Petkov), ide-gd media
revalidation fix (also from Borislav), fixups for new tx4938ide driver
(Atsushi Nemoto) and Alan Cox's email update (from Alan himself).
Linus, please pull from:
master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6.git/
to receive the following updates:
drivers/ide/alim15x3.c | 2 +-
drivers/ide/hpt366.c | 2 +-
drivers/ide/ide-cd.c | 3 ++-
drivers/ide/ide-disk.c | 2 +-
drivers/ide/ide-gd.c | 7 ++++++-
drivers/ide/ide-iops.c | 2 +-
drivers/ide/ide-pci-generic.c | 2 +-
drivers/ide/ide-proc.c | 2 +-
drivers/ide/it821x.c | 2 +-
drivers/ide/jmicron.c | 2 +-
drivers/ide/piix.c | 2 +-
drivers/ide/scc_pata.c | 2 +-
drivers/ide/siimage.c | 2 +-
drivers/ide/tx4938ide.c | 41 +++++++++++++++++++++++++++--------------
14 files changed, 46 insertions(+), 27 deletions(-)
Alan Cox (1):
ide: Switch to a common address
Atsushi Nemoto (3):
tx4938ide: Check minimum cycle time and SHWT range (v2)
tx4938ide: Do not call devm_ioremap for whole 128KB
tx4938ide: Avoid underflow on calculation of a wait cycle
Borislav Petkov (2):
ide-cd: fix DMA alignment regression
ide-gd: re-get capacity on revalidate
diff --git a/drivers/ide/alim15x3.c b/drivers/ide/alim15x3.c
index daf9dce..e56c7b7 100644
--- a/drivers/ide/alim15x3.c
+++ b/drivers/ide/alim15x3.c
@@ -5,7 +5,7 @@
*
* Copyright (C) 1998-2000 Andre Hedrick (andre@...ux-ide.org)
* May be copied or modified under the terms of the GNU General Public License
- * Copyright (C) 2002 Alan Cox <alan@...hat.com>
+ * Copyright (C) 2002 Alan Cox
* ALi (now ULi M5228) support by Clear Zhang <Clear.Zhang@....com.tw>
* Copyright (C) 2007 MontaVista Software, Inc. <source@...sta.com>
* Copyright (C) 2007 Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
diff --git a/drivers/ide/hpt366.c b/drivers/ide/hpt366.c
index a7909e9..f5afd46 100644
--- a/drivers/ide/hpt366.c
+++ b/drivers/ide/hpt366.c
@@ -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@...hat.com>
+ * Alan Cox <alan@...rguk.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-
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 48b5eda..42ab6d8 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -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;
}
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index e5adebe..eb9fac4 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -2,7 +2,7 @@
* Copyright (C) 1994-1998 Linus Torvalds & authors (see below)
* Copyright (C) 1998-2002 Linux ATA Development
* Andre Hedrick <andre@...ux-ide.org>
- * Copyright (C) 2003 Red Hat <alan@...hat.com>
+ * Copyright (C) 2003 Red Hat
* Copyright (C) 2003-2005, 2007 Bartlomiej Zolnierkiewicz
*/
diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c
index 7b66628..b8078b3 100644
--- a/drivers/ide/ide-gd.c
+++ b/drivers/ide/ide-gd.c
@@ -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;
}
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index bb7a1ed..5d6ba14 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2000-2002 Andre Hedrick <andre@...ux-ide.org>
- * Copyright (C) 2003 Red Hat <alan@...hat.com>
+ * Copyright (C) 2003 Red Hat
*
*/
diff --git a/drivers/ide/ide-pci-generic.c b/drivers/ide/ide-pci-generic.c
index 474f96a..bddae2b 100644
--- a/drivers/ide/ide-pci-generic.c
+++ b/drivers/ide/ide-pci-generic.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2001-2002 Andre Hedrick <andre@...ux-ide.org>
- * Portions (C) Copyright 2002 Red Hat Inc <alan@...hat.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
diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c
index c31d0dd..f3cddd1 100644
--- a/drivers/ide/ide-proc.c
+++ b/drivers/ide/ide-proc.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 1997-1998 Mark Lord
- * Copyright (C) 2003 Red Hat <alan@...hat.com>
+ * Copyright (C) 2003 Red Hat
*
* Some code was moved here from ide.c, see it for original copyrights.
*/
diff --git a/drivers/ide/it821x.c b/drivers/ide/it821x.c
index 995e18b..ef00408 100644
--- a/drivers/ide/it821x.c
+++ b/drivers/ide/it821x.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2004 Red Hat <alan@...hat.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
diff --git a/drivers/ide/jmicron.c b/drivers/ide/jmicron.c
index 9a68433..bf2be64 100644
--- a/drivers/ide/jmicron.c
+++ b/drivers/ide/jmicron.c
@@ -1,6 +1,6 @@
/*
- * Copyright (C) 2006 Red Hat <alan@...hat.com>
+ * Copyright (C) 2006 Red Hat
*
* May be copied or modified under the terms of the GNU General Public License
*/
diff --git a/drivers/ide/piix.c b/drivers/ide/piix.c
index d63f9fd..61d2d92 100644
--- a/drivers/ide/piix.c
+++ b/drivers/ide/piix.c
@@ -1,7 +1,7 @@
/*
* Copyright (C) 1998-1999 Andrzej Krzysztofowicz, Author and Maintainer
* Copyright (C) 1998-2000 Andre Hedrick <andre@...ux-ide.org>
- * Copyright (C) 2003 Red Hat Inc <alan@...hat.com>
+ * Copyright (C) 2003 Red Hat
* Copyright (C) 2006-2007 MontaVista Software, Inc. <source@...sta.com>
*
* May be copied or modified under the terms of the GNU General Public License
diff --git a/drivers/ide/scc_pata.c b/drivers/ide/scc_pata.c
index f26aa5d..0f48f9d 100644
--- a/drivers/ide/scc_pata.c
+++ b/drivers/ide/scc_pata.c
@@ -5,7 +5,7 @@
*
* This code is based on drivers/ide/pci/siimage.c:
* Copyright (C) 2001-2002 Andre Hedrick <andre@...ux-ide.org>
- * Copyright (C) 2003 Red Hat <alan@...hat.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
diff --git a/drivers/ide/siimage.c b/drivers/ide/siimage.c
index c3107df..7d622d2 100644
--- a/drivers/ide/siimage.c
+++ b/drivers/ide/siimage.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2001-2002 Andre Hedrick <andre@...ux-ide.org>
- * Copyright (C) 2003 Red Hat <alan@...hat.com>
+ * Copyright (C) 2003 Red Hat
* Copyright (C) 2007-2008 MontaVista Software, Inc.
* Copyright (C) 2007-2008 Bartlomiej Zolnierkiewicz
*
diff --git a/drivers/ide/tx4938ide.c b/drivers/ide/tx4938ide.c
index fa660f9..9120063 100644
--- a/drivers/ide/tx4938ide.c
+++ b/drivers/ide/tx4938ide.c
@@ -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)
--
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