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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: workaround for bogus gcc warning in ide_sysfs_register_port()
  ide-cd: Optiarc DVD RW AD-7200A does play audio
  IDE: Fix platform device registration in Swarm IDE driver (v2)
  ide-dma: fix ide_build_dmatable() for TRM290
  ide-cd: temporary tray close fix
This commit is contained in:
Linus Torvalds 2008-10-06 14:27:57 -07:00
commit f1ea725472
9 changed files with 93 additions and 207 deletions
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3
arch/mips/sibyte/swarm/Makefile
View file

@ -1,3 +1,4 @@
obj-y := setup.o rtc_xicor1241.o rtc_m41t81.o
obj-y := platform.o setup.o rtc_xicor1241.o \
rtc_m41t81.o
obj-$(CONFIG_I2C_BOARDINFO) += swarm-i2c.o

81
arch/mips/sibyte/swarm/platform.c Normal file
View file

@ -0,0 +1,81 @@
#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/ata_platform.h>
#include <asm/sibyte/board.h>
#include <asm/sibyte/sb1250_genbus.h>
#include <asm/sibyte/sb1250_regs.h>
#define DRV_NAME "pata-swarm"
#define SWARM_IDE_SHIFT 5
#define SWARM_IDE_BASE 0x1f0
#define SWARM_IDE_CTRL 0x3f6
static struct resource swarm_pata_resource[] = {
{
.name = "Swarm GenBus IDE",
.flags = IORESOURCE_MEM,
}, {
.name = "Swarm GenBus IDE",
.flags = IORESOURCE_MEM,
}, {
.name = "Swarm GenBus IDE",
.flags = IORESOURCE_IRQ,
.start = K_INT_GB_IDE,
.end = K_INT_GB_IDE,
},
};
static struct pata_platform_info pata_platform_data = {
.ioport_shift = SWARM_IDE_SHIFT,
};
static struct platform_device swarm_pata_device = {
.name = "pata_platform",
.id = -1,
.resource = swarm_pata_resource,
.num_resources = ARRAY_SIZE(swarm_pata_resource),
.dev = {
.platform_data = &pata_platform_data,
.coherent_dma_mask = ~0, /* grumble */
},
};
static int __init swarm_pata_init(void)
{
u8 __iomem *base;
phys_t offset, size;
struct resource *r;
if (!SIBYTE_HAVE_IDE)
return -ENODEV;
base = ioremap(A_IO_EXT_BASE, 0x800);
offset = __raw_readq(base + R_IO_EXT_REG(R_IO_EXT_START_ADDR, IDE_CS));
size = __raw_readq(base + R_IO_EXT_REG(R_IO_EXT_MULT_SIZE, IDE_CS));
iounmap(base);
offset = G_IO_START_ADDR(offset) << S_IO_ADDRBASE;
size = (G_IO_MULT_SIZE(size) + 1) << S_IO_REGSIZE;
if (offset < A_PHYS_GENBUS || offset >= A_PHYS_GENBUS_END) {
pr_info(DRV_NAME ": PATA interface at GenBus disabled\n");
return -EBUSY;
}
pr_info(DRV_NAME ": PATA interface at GenBus slot %i\n", IDE_CS);
r = swarm_pata_resource;
r[0].start = offset + (SWARM_IDE_BASE << SWARM_IDE_SHIFT);
r[0].end = offset + ((SWARM_IDE_BASE + 8) << SWARM_IDE_SHIFT) - 1;
r[1].start = offset + (SWARM_IDE_CTRL << SWARM_IDE_SHIFT);
r[1].end = offset + ((SWARM_IDE_CTRL + 1) << SWARM_IDE_SHIFT) - 1;
return platform_device_register(&swarm_pata_device);
}
device_initcall(swarm_pata_init);

4
drivers/ide/Kconfig
View file

@ -780,10 +780,6 @@ config BLK_DEV_IDEDMA_PMAC
to transfer data to and from memory. Saying Y is safe and improves
performance.
config BLK_DEV_IDE_SWARM
tristate "IDE for Sibyte evaluation boards"
depends on SIBYTE_SB1xxx_SOC
config BLK_DEV_IDE_AU1XXX
bool "IDE for AMD Alchemy Au1200"
depends on SOC_AU1200

6
drivers/ide/ide-cd.c
View file

@ -1661,7 +1661,9 @@ static int ide_cdrom_probe_capabilities(ide_drive_t *drive)
cdi->mask &= ~CDC_PLAY_AUDIO;
mechtype = buf[8 + 6] >> 5;
if (mechtype == mechtype_caddy || mechtype == mechtype_popup)
if (mechtype == mechtype_caddy ||
mechtype == mechtype_popup ||
(drive->atapi_flags & IDE_AFLAG_NO_AUTOCLOSE))
cdi->mask |= CDC_CLOSE_TRAY;
if (cdi->sanyo_slot > 0) {
@ -1859,6 +1861,8 @@ static const struct cd_list_entry ide_cd_quirks_list[] = {
{ "MATSHITADVD-ROM SR-8176", NULL, IDE_AFLAG_PLAY_AUDIO_OK },
{ "MATSHITADVD-ROM SR-8174", NULL, IDE_AFLAG_PLAY_AUDIO_OK },
{ "Optiarc DVD RW AD-5200A", NULL, IDE_AFLAG_PLAY_AUDIO_OK },
{ "Optiarc DVD RW AD-7200A", NULL, IDE_AFLAG_PLAY_AUDIO_OK },
{ "Optiarc DVD RW AD-7543A", NULL, IDE_AFLAG_NO_AUTOCLOSE },
{ NULL, NULL, 0 }
};

2
drivers/ide/ide-dma.c
View file

@ -211,7 +211,7 @@ int ide_build_dmatable (ide_drive_t *drive, struct request *rq)
xcount = bcount & 0xffff;
if (is_trm290)
xcount = ((xcount >> 2) - 1) << 16;
if (xcount == 0x0000) {
else if (xcount == 0x0000) {
/*
* Most chipsets correctly interpret a length of 0x0000 as 64KB,
* but at least one (e.g. CS5530) misinterprets it as zero (!).

2
drivers/ide/ide-probe.c
View file

@ -1492,7 +1492,7 @@ static struct device_attribute *ide_port_attrs[] = {
static int ide_sysfs_register_port(ide_hwif_t *hwif)
{
int i, rc;
int i, uninitialized_var(rc);
for (i = 0; ide_port_attrs[i]; i++) {
rc = device_create_file(hwif->portdev, ide_port_attrs[i]);

1
drivers/ide/mips/Makefile
View file

@ -1,4 +1,3 @@
obj-$(CONFIG_BLK_DEV_IDE_SWARM) += swarm.o
obj-$(CONFIG_BLK_DEV_IDE_AU1XXX) += au1xxx-ide.o
EXTRA_CFLAGS := -Idrivers/ide

197
drivers/ide/mips/swarm.c
View file

@ -1,197 +0,0 @@
/*
* Copyright (C) 2001, 2002, 2003 Broadcom Corporation
* Copyright (C) 2004 MontaVista Software Inc.
* Author: Manish Lachwani, mlachwani@mvista.com
* Copyright (C) 2004 MIPS Technologies, Inc. All rights reserved.
* Author: Maciej W. Rozycki <macro@mips.com>
* Copyright (c) 2006, 2008 Maciej W. Rozycki
*
* 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 Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*
* Derived loosely from ide-pmac.c, so:
* Copyright (C) 1998 Paul Mackerras.
* Copyright (C) 1995-1998 Mark Lord
*/
/*
* Boards with SiByte processors so far have supported IDE devices via
* the Generic Bus, PCI bus, and built-in PCMCIA interface. In all
* cases, byte-swapping must be avoided for these devices (whereas
* other PCI devices, for example, will require swapping). Any
* SiByte-targetted kernel including IDE support will include this
* file. Probing of a Generic Bus for an IDE device is controlled by
* the definition of "SIBYTE_HAVE_IDE", which is provided by
* <asm/sibyte/board.h> for Broadcom boards.
*/
#include <linux/ide.h>
#include <linux/ioport.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/platform_device.h>
#include <asm/io.h>
#include <asm/sibyte/board.h>
#include <asm/sibyte/sb1250_genbus.h>
#include <asm/sibyte/sb1250_regs.h>
#define DRV_NAME "ide-swarm"
static char swarm_ide_string[] = DRV_NAME;
static struct resource swarm_ide_resource = {
.name = "SWARM GenBus IDE",
.flags = IORESOURCE_MEM,
};
static struct platform_device *swarm_ide_dev;
static const struct ide_port_info swarm_port_info = {
.name = DRV_NAME,
.host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA,
};
/*
* swarm_ide_probe - if the board header indicates the existence of
* Generic Bus IDE, allocate a HWIF for it.
*/
static int __devinit swarm_ide_probe(struct device *dev)
{
u8 __iomem *base;
struct ide_host *host;
phys_t offset, size;
int i, rc;
hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
if (!SIBYTE_HAVE_IDE)
return -ENODEV;
base = ioremap(A_IO_EXT_BASE, 0x800);
offset = __raw_readq(base + R_IO_EXT_REG(R_IO_EXT_START_ADDR, IDE_CS));
size = __raw_readq(base + R_IO_EXT_REG(R_IO_EXT_MULT_SIZE, IDE_CS));
iounmap(base);
offset = G_IO_START_ADDR(offset) << S_IO_ADDRBASE;
size = (G_IO_MULT_SIZE(size) + 1) << S_IO_REGSIZE;
if (offset < A_PHYS_GENBUS || offset >= A_PHYS_GENBUS_END) {
printk(KERN_INFO DRV_NAME
": IDE interface at GenBus disabled\n");
return -EBUSY;
}
printk(KERN_INFO DRV_NAME ": IDE interface at GenBus slot %i\n",
IDE_CS);
swarm_ide_resource.start = offset;
swarm_ide_resource.end = offset + size - 1;
if (request_resource(&iomem_resource, &swarm_ide_resource)) {
printk(KERN_ERR DRV_NAME
": can't request I/O memory resource\n");
return -EBUSY;
}
base = ioremap(offset, size);
memset(&hw, 0, sizeof(hw));
for (i = 0; i <= 7; i++)
hw.io_ports_array[i] =
(unsigned long)(base + ((0x1f0 + i) << 5));
hw.io_ports.ctl_addr =
(unsigned long)(base + (0x3f6 << 5));
hw.irq = K_INT_GB_IDE;
hw.chipset = ide_generic;
rc = ide_host_add(&swarm_port_info, hws, &host);
if (rc)
goto err;
dev_set_drvdata(dev, host);
return 0;
err:
release_resource(&swarm_ide_resource);
iounmap(base);
return rc;
}
static struct device_driver swarm_ide_driver = {
.name = swarm_ide_string,
.bus = &platform_bus_type,
.probe = swarm_ide_probe,
};
static void swarm_ide_platform_release(struct device *device)
{
struct platform_device *pldev;
/* free device */
pldev = to_platform_device(device);
kfree(pldev);
}
static int __devinit swarm_ide_init_module(void)
{
struct platform_device *pldev;
int err;
printk(KERN_INFO "SWARM IDE driver\n");
if (driver_register(&swarm_ide_driver)) {
printk(KERN_ERR "Driver registration failed\n");
err = -ENODEV;
goto out;
}
if (!(pldev = kzalloc(sizeof (*pldev), GFP_KERNEL))) {
err = -ENOMEM;
goto out_unregister_driver;
}
pldev->name = swarm_ide_string;
pldev->id = 0;
pldev->dev.release = swarm_ide_platform_release;
if (platform_device_register(pldev)) {
err = -ENODEV;
goto out_free_pldev;
}
if (!pldev->dev.driver) {
/*
* The driver was not bound to this device, there was
* no hardware at this address. Unregister it, as the
* release fuction will take care of freeing the
* allocated structure
*/
platform_device_unregister (pldev);
}
swarm_ide_dev = pldev;
return 0;
out_free_pldev:
kfree(pldev);
out_unregister_driver:
driver_unregister(&swarm_ide_driver);
out:
return err;
}
module_init(swarm_ide_init_module);

4
include/linux/ide.h
View file

@ -366,7 +366,9 @@ enum {
/* Currently on a filemark */
IDE_AFLAG_FILEMARK = (1 << 25),
/* 0 = no tape is loaded, so we don't rewind after ejecting */
IDE_AFLAG_MEDIUM_PRESENT = (1 << 26)
IDE_AFLAG_MEDIUM_PRESENT = (1 << 26),
IDE_AFLAG_NO_AUTOCLOSE = (1 << 27),
};
struct ide_drive_s {