Commit graph

26838 commits

Author SHA1 Message Date
Linus Torvalds
8acd3a60bc Merge branch 'for-2.6.28' of git://linux-nfs.org/~bfields/linux
* 'for-2.6.28' of git://linux-nfs.org/~bfields/linux: (59 commits)
  svcrdma: Fix IRD/ORD polarity
  svcrdma: Update svc_rdma_send_error to use DMA LKEY
  svcrdma: Modify the RPC reply path to use FRMR when available
  svcrdma: Modify the RPC recv path to use FRMR when available
  svcrdma: Add support to svc_rdma_send to handle chained WR
  svcrdma: Modify post recv path to use local dma key
  svcrdma: Add a service to register a Fast Reg MR with the device
  svcrdma: Query device for Fast Reg support during connection setup
  svcrdma: Add FRMR get/put services
  NLM: Remove unused argument from svc_addsock() function
  NLM: Remove "proto" argument from lockd_up()
  NLM: Always start both UDP and TCP listeners
  lockd: Remove unused fields in the nlm_reboot structure
  lockd: Add helper to sanity check incoming NOTIFY requests
  lockd: change nlmclnt_grant() to take a "struct sockaddr *"
  lockd: Adjust nlmsvc_lookup_host() to accomodate AF_INET6 addresses
  lockd: Adjust nlmclnt_lookup_host() signature to accomodate non-AF_INET
  lockd: Support non-AF_INET addresses in nlm_lookup_host()
  NLM: Convert nlm_lookup_host() to use a single argument
  svcrdma: Add Fast Reg MR Data Types
  ...
2008-10-14 12:31:14 -07:00
Linus Torvalds
c269bc00fc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6: (26 commits)
  mfd: Fix warning in WM8350
  mfd: Add placeholders for WM8350 client devices
  da903x: add regulator support for DA9030/DA9034
  mfd: Add WM8350 subdevice registration helper
  regulator: Add WM8350 regulator support
  mfd: Add WM8350 interrupt support
  mfd: Add initialisation callback for WM8350
  mfd: Add GPIO pin configuration support for WM8350
  mfd: Add I2C control support for WM8350
  mfd: Core support for the WM8350 AudioPlus PMIC
  mfd: Add WM8350 watchdog register definitions
  mfd: Add WM8350 RTC register definitions
  mfd: Add WM8350 comparator register definitions
  mfd: Add WM8350 PMU register definitions
  mfd: Add WM8350 PMIC register definitions
  mfd: Add WM8350 GPIO register definitions
  mfd: Add WM8350 audio register definitions
  regulator: Export regulator name via sysfs
  regulator: Add WM8400 regulator support
  mfd: Core support for the WM8400 AudioPlus HiFi CODEC and PMU
  ...
2008-10-14 12:28:55 -07:00
Linus Torvalds
93f78da405 Revert "vt: fix background color on line feed"
This reverts commit c9e587abfd, and the
subsequent commits that fixed it up:

 - afa9b649 "fbcon: prevent cursor disappearance after switching to 512
   character font"

 - d850a2fa "vt/fbcon: fix background color on line feed"

 - 7fe3915a "vt/fbcon: update scrl_erase_char after 256/512-glyph font
   switch"

by request of Alan Cox. Quoth Alan:
  "Unfortunately it's wrong and its been causing breakages because
   various apps like ncurses expect our previous (and correct)
   behaviour."

Alexander sent out a similar patch.

Requested-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Tested-by: Jan Engelhardt <jengelh@medozas.de>
Cc: Alexander V. Lukyanov <lav@netis.ru>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-14 12:12:02 -07:00
Linus Torvalds
43096597a4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
  qlge: Fix page size ifdef test.
  net: Rationalise email address: Network Specific Parts
  dsa: fix compile bug on s390
  netns: mib6 section fixlet
  enic: Fix Kconfig headline description
  de2104x: wrong MAC address fix
  s390: claw compile fixlet
  net: export genphy_restart_aneg
  cxgb3: extend copyrights to 2008
  cxgb3: update driver version
  net/phy: add missing kernel-doc
  pktgen: fix skb leak in case of failure
  mISDN/dsp_cmx.c: fix size checks
  misdn: use nonseekable_open()
  net: fix driver build errors due to missing net/ip6_checksum.h include
2008-10-14 10:28:49 -07:00
Adrian Bunk
2171a19a24 m68k: remove the dead PCI code
This patch removes the no longer used m68k PCI code.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-14 10:23:27 -07:00
Adrian Bunk
29c8a24672 m68k: Remove the broken Hades support
This patch removes the Hades support that was marked as BROKEN 5 years ago.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-14 10:23:27 -07:00
Geert Uytterhoeven
998aaf01c6 m68k: <asm/pci.h> needs <asm-generic/pci-dma-compat.h>
Several multi-bus subsystems:

| include/linux/ssb/ssb.h: In function 'ssb_dma_mapping_error':
| include/linux/ssb/ssb.h:430: error: implicit declaration of function 'pci_dma_mapping_error'
| include/linux/ssb/ssb.h: In function 'ssb_dma_map_single':
| include/linux/ssb/ssb.h:444: error: implicit declaration of function 'pci_map_single'
| include/linux/ssb/ssb.h: In function 'ssb_dma_unmap_single':
| include/linux/ssb/ssb.h:458: error: implicit declaration of function 'pci_unmap_single'
| include/linux/ssb/ssb.h: In function 'ssb_dma_sync_single_for_cpu':
| include/linux/ssb/ssb.h:475: error: implicit declaration of function 'pci_dma_sync_single_for_cpu'
| include/linux/ssb/ssb.h: In function 'ssb_dma_sync_single_for_device':
| include/linux/ssb/ssb.h:493: error: implicit declaration of function 'pci_dma_sync_single_for_device'

or legacy drivers:

| drivers/net/hp100.c: In function 'pdl_map_data':
| drivers/net/hp100.c:291: error: implicit declaration of function 'pci_map_single'
| drivers/net/hp100.c: In function 'hp100_probe1':
| drivers/net/hp100.c:707: error: implicit declaration of function 'pci_alloc_consistent'
| drivers/net/hp100.c:782: error: implicit declaration of function 'pci_free_consistent'
| drivers/net/hp100.c: In function 'hp100_clean_txring':
| drivers/net/hp100.c:1614: error: implicit declaration of function 'pci_unmap_single'

and

| drivers/scsi/aic7xxx_old.c: In function 'aic7xxx_allocate_scb':
| drivers/scsi/aic7xxx_old.c:2573: error: implicit declaration of function 'pci_alloc_consistent'
| drivers/scsi/aic7xxx_old.c: In function 'aic7xxx_done':
| drivers/scsi/aic7xxx_old.c:2697: error: implicit declaration of function 'pci_unmap_single'
| drivers/scsi/aic7xxx_old.c: In function 'aic7xxx_handle_seqint':
| drivers/scsi/aic7xxx_old.c:4275: error: implicit declaration of function 'pci_map_single'
| drivers/scsi/aic7xxx_old.c: In function 'aic7xxx_free':
| drivers/scsi/aic7xxx_old.c:8460: error: implicit declaration of function 'pci_free_consistent'

rely on PCI DMA operations to be always available.

Add #include <asm-generic/pci-dma-compat.h> to <asm/pci.h> to make them happy.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-14 10:23:27 -07:00
Geert Uytterhoeven
dec6d14da8 m68k: Add missing dma_sync_single_range_for_{cpu,device}()
| include/linux/ssb/ssb.h: In function 'ssb_dma_sync_single_range_for_cpu':
| include/linux/ssb/ssb.h:517: error: implicit declaration of function 'dma_sync_single_range_for_cpu'
| include/linux/ssb/ssb.h: In function 'ssb_dma_sync_single_range_for_device':
| include/linux/ssb/ssb.h:538: error: implicit declaration of function 'dma_sync_single_range_for_device'

Add the missing dma_sync_single_range_for_{cpu,device}(), and remove the
`inline' for the non-static function dma_sync_single_for_device().

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-14 10:23:27 -07:00
Alan Cox
113aa838ec net: Rationalise email address: Network Specific Parts
Clean up the various different email addresses of mine listed in the code
to a single current and valid address. As Dave says his network merges
for 2.6.28 are now done this seems a good point to send them in where
they won't risk disrupting real changes.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-13 19:01:08 -07:00
Linus Torvalds
7591103c08 Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (66 commits)
  ata: Add documentation for hard disk shock protection interface (v3)
  ide: Implement disk shock protection support (v4)
  ide-cd: fix printk format warning
  piix: add Hercules EC-900 mini-notebook to ich_laptop short cable list
  ide-atapi: assign taskfile flags per device type
  ide-cd: move cdrom_info.dma to ide_drive_t.dma
  ide: add ide_drive_t.dma flag
  ide-cd: add a debug_mask module parameter
  ide-cd: convert driver to new ide debugging macro (v3)
  ide: move SFF DMA code to ide-dma-sff.c
  ide: cleanup ide-dma.c
  ide: cleanup ide_build_dmatable()
  ide: remove needless includes from ide-dma.c
  ide: switch to DMA-mapping API part #2
  ide: make ide_dma_timeout() available also for CONFIG_BLK_DEV_IDEDMA_SFF=n
  ide: make ide_dma_lost_irq() available also for CONFIG_BLK_DEV_IDEDMA_SFF=n
  ide: __ide_dma_end() -> ide_dma_end()
  pmac: remove needless pmac_ide_destroy_dmatable() wrapper
  pmac: remove superfluous pmif == NULL checks
  ide: Two fixes regarding memory allocation
  ...
2008-10-13 14:15:06 -07:00
Linus Torvalds
2be4ff2f08 Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6: (49 commits)
  pcmcia: ioctl-internal definitions
  pcmcia: cistpl header cleanup
  pcmcia: remove unused argument to pcmcia_parse_tuple()
  pcmcia: card services header cleanup
  pcmcia: device_id header cleanup
  pcmcia: encapsulate ioaddr_t
  pcmcia: cleanup device driver header file
  pcmcia: cleanup socket services header file
  pcmcia: merge ds_internal.h into cs_internal.h
  pcmcia: cleanup cs_internal.h
  pcmcia: cs_internal.h is internal
  pcmcia: use dev_printk for cs_error()
  pcmcia: remove CS_ error codes alltogether
  pcmcia: deprecate CS_BAD_TUPLE
  pcmcia: deprecate CS_BAD_ARGS
  pcmcia: deprecate CS_BAD_BASE, CS_BAD_IRQ, CS_BAD_OFFSET and CS_BAD_SIZE
  pcmcia: deprecate CS_BAD_ATTRIBUTE, CS_BAD_TYPE and CS_BAD_PAGE
  pcmcia: deprecate CS_NO_MORE_ITEMS
  pcmcia: deprecate CS_IN_USE
  pcmcia: deprecate CS_CONFIGURATION_LOCKED
  ...

Fix trivial conflict in drivers/pcmcia/ds.c manually
2008-10-13 14:12:40 -07:00
Linus Torvalds
cf2fa66055 Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (313 commits)
  V4L/DVB (9186): Added support for Prof 7300 DVB-S/S2 cards
  V4L/DVB (9185): S2API: Ensure we have a reasonable ROLLOFF default
  V4L/DVB (9184): cx24116: Change the default SNR units back to percentage by default.
  V4L/DVB (9183): S2API: Return error of the caller provides 0 commands.
  V4L/DVB (9182): S2API: Added support for DTV_HIERARCHY
  V4L/DVB (9181): S2API: Add support fot DTV_GUARD_INTERVAL and DTV_TRANSMISSION_MODE
  V4L/DVB (9180): S2API: Added support for DTV_CODE_RATE_HP/LP
  V4L/DVB (9179): S2API: frontend.h cleanup
  V4L/DVB (9178): cx24116: Add module parameter to return SNR as ESNO.
  V4L/DVB (9177): S2API: Change _8PSK / _16APSK to PSK_8 and APSK_16
  V4L/DVB (9176): Add support for DvbWorld USB cards with STV0288 demodulator.
  V4L/DVB (9175): Remove NULL pointer in stb6000 driver.
  V4L/DVB (9174): Allow custom inittab for ST STV0288 demodulator.
  V4L/DVB (9173): S2API: Remove the hardcoded command limit during validation
  V4L/DVB (9172): S2API: Bugfix related to DVB-S / DVB-S2 tuning for the legacy API.
  V4L/DVB (9171): S2API: Stop an OOPS if illegal commands are dumped in S2API.
  V4L/DVB (9170): cx24116: Sanity checking to data input via S2API to the cx24116 demod.
  V4L/DVB (9169): uvcvideo: Support two new Bison Electronics webcams.
  V4L/DVB (9168): Add support for MSI TV@nywhere Plus remote
  V4L/DVB: v4l2-dev: remove duplicated #include
  ...
2008-10-13 14:03:59 -07:00
Mark Brown
add41cb461 mfd: Add placeholders for WM8350 client devices
In order to avoid merge problems further down the line add placeholders
for several of the WM8350 client devices and register them, otherwise
the patches adding the client devices will all try to update the same
code.

Also remove redundant checks for null regulator platform devices while
we're at it.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@openedhand.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2008-10-13 21:51:57 +01:00
Mark Brown
da09155ac8 regulator: Add WM8350 regulator support
The WM8350 features six DCDC convertors (four buck and two boost), four
LDO voltage regulators and two constant current sinks. This driver adds
support for these through the regulator API.

This driver was written by Liam Girdwood with updates for submission
from Mark Brown.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2008-10-13 21:51:56 +01:00
Mark Brown
ebccec0fa4 mfd: Add WM8350 interrupt support
The WM8350 has an interrupt line to the CPU which is shared by the
devices on the CPU. This patch adds support for the interrupt
controller within the WM8350 which identifies which identifies the
interrupt cause. In common with other similar chips this is done
outside the standard interrupt framework due to the need to access
the interrupt controller over an interrupt-driven bus.

This code was all originally written by Liam Girdwood with updates for
submission by me.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@openedhand.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2008-10-13 21:51:56 +01:00
Mark Brown
bcdd4efc1b mfd: Add initialisation callback for WM8350
Some functions of the WM8350 require board-specific initialisation on
startup. Provide a callback to the WM8350 driver in platform data
for platforms to use to configure the chip.  Use of a callback allows
platforms to control the ordering of initialisation which can be
important.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@openedhand.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2008-10-13 21:51:56 +01:00
Mark Brown
0e72039332 mfd: Add GPIO pin configuration support for WM8350
The WM8350 provides a number of user-configurable pins providing access
to various signals generated by the functions on the chip. These are
referred to as GPIO pins in the device documentation but in Linux terms
they are more general than that, providing configuration of alternate
functions.

This patch implements support for selecting the alternate functions for
these pins. They can also be used as GPIOs in the normal Linux sense -
a subsequent patch will add support for doing so.

This code was all written by Liam Girdwood and has had minor updates
and rearrangements by Mark Brown.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@openedhand.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2008-10-13 21:51:55 +01:00
Mark Brown
89b4012bef mfd: Core support for the WM8350 AudioPlus PMIC
The WM8350 is an integrated audio and power management subsystem
intended for use as the primary PMIC in mobile multimedia applications.
The WM8350 can be controlled via either I2C or SPI - the control
interface is provided by a separate module in order to allow greatest
flexibility in configuring the kernel.

This driver was originally written by Liam Girdwood and has since been
updated to current kernel APIs and split up for submission by me.  All
the heavy lifting here was done by Liam.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@openedhand.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2008-10-13 21:51:55 +01:00
Mark Brown
213f326810 mfd: Add WM8350 watchdog register definitions
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@openedhand.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2008-10-13 21:51:55 +01:00
Mark Brown
64a91ce934 mfd: Add WM8350 RTC register definitions
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@openedhand.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2008-10-13 21:51:54 +01:00
Mark Brown
e7aabc346b mfd: Add WM8350 comparator register definitions
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@openedhand.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2008-10-13 21:51:54 +01:00
Mark Brown
f8ea79c2ab mfd: Add WM8350 PMU register definitions
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@openedhand.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2008-10-13 21:51:54 +01:00
Mark Brown
03c127ee1e mfd: Add WM8350 PMIC register definitions
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@openedhand.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2008-10-13 21:51:54 +01:00
Mark Brown
0c42e0b763 mfd: Add WM8350 GPIO register definitions
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@openedhand.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2008-10-13 21:51:53 +01:00
Mark Brown
06532c4747 mfd: Add WM8350 audio register definitions
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@openedhand.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2008-10-13 21:51:53 +01:00
Mark Brown
42fad570b6 regulator: Add WM8400 regulator support
The WM8400 provides two programmable DCDC step-down (buck) convertors
and four low-dropout (LDO) regulators. This driver provides support for
runtime managment of these in the standard regulator API.

Support for configuration of the suspend and hibernate mode behaviour
of the regulators is not yet included.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2008-10-13 21:51:53 +01:00
Mark Brown
1d9f9f0400 mfd: Core support for the WM8400 AudioPlus HiFi CODEC and PMU
The WM8400 is a highly integrated audio CODEC and power management unit
optimised for use in mobile multimedia applications.  This patch adds
core support for the WM8400 to the MFD subsystem.

Both I2C and SPI access are supported by the hardware but currently only
I2C access is implemented.  The code is structured to allow SPI support
to be slotted in later.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@openedhand.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2008-10-13 21:51:52 +01:00
Mark Brown
3de89609a8 regulator: Fix typo
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2008-10-13 21:51:51 +01:00
Liam Girdwood
a5766f11cf regulator: core - Rework machine API to remove string based functions.
This improves the machine level API in order to configure
regulator constraints and consumers as platform data and removes the
old string based API that required several calls to set up each regulator.

The intention is to create a struct regulator_init_data, populate
it's fields with constraints, consumers devices, etc and then register
the regulator device from board.c in the standard Linux way.

e.g. regulator LDO2 (supplying codec and sim) platform data.

/* regulator LDO2 consumer devices */
static struct regulator_consumer_supply ldo2_consumers[] = {
{
	.dev	= &platform_audio_device.dev,
	.supply	= "codec_avdd",
},
{
	.dev	= &platform_sim_device.dev,
	.supply	= "sim_vcc",
}
};

/* regulator LDO2 constraints  */
static struct regulator_init_data ldo2_data = {
	.constraints = {
		.min_uV = 3300000,
		.max_uV = 3300000,
		.valid_modes_mask = REGULATOR_MODE_NORMAL,
		.apply_uV = 1,
	},
	.num_consumer_supplies = ARRAY_SIZE(ldo2_consumers),
	.consumer_supplies = ldo2_consumers,
};

/* machine regulator devices with thier consumers and constraints */
static struct platform_device wm8350_regulator_devices[] = {
{
	.name = "wm8350-regulator",
	.id = WM8350_LDO_2,
	.dev = {
		.platform_data = &ldo2_data,
	},
},
};

Changes in detail:-

  o Removed all const char* regulator config functions in machine API.
  o Created new struct regulator_init_data to contain regulator
    machine configuration constraints and consmuers.
  o Changed set_supply(), set_machine_constraints(),
    set_consumer_device_supply() to remove their string identifier
    parameters. Also made them static and moved functions nearer top of
    core.c.
  o Removed no longer used inline func to_rdev()
  o Added regulator_get_init_drvdata() to retrieve init data.
  o Added struct device* as parameter to regulator_register().
  o Changed my email address.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2008-10-13 21:51:50 +01:00
Elias Oltmanns
4abdc6ee7c ide: Implement disk shock protection support (v4)
On user request (through sysfs), the IDLE IMMEDIATE command with UNLOAD
FEATURE as specified in ATA-7 is issued to the device and processing of
the request queue is stopped thereafter until the specified timeout
expires or user space asks to resume normal operation. This is supposed
to prevent the heads of a hard drive from accidentally crashing onto the
platter when a heavy shock is anticipated (like a falling laptop expected
to hit the floor). Port resets are deferred whenever a device on that
port is in the parked state.

v3:
Elias Oltmanns <eo@nebensachen.de> wrote:
[...]
> >> 1. Make sure that no negative value is being passed to
> >>    jiffies_to_msecs() in ide_park_show().
> >> 2. Drop the superfluous variable hwif in ide_special_rq().
> >> 3. Skip initialisation of task and tf in ide_special_rq() if we are not
> >>    handling a (un)park request.
> >
> > Well, #3 should have been done differently because we donn't want to
> > check for REQ_(UN)?PARK_HEADS more often than is necessary.
> 
> While preparing the backport to 2.6.27, it has just occurred to me that
> we need to clear the IDE_DFLAG_PARKED flag in ide_disk_pre_reset()
> because this flag must not be set after *any* sort of access to the
> device.

v4:
Fix a memory leak due to a missing blk_put_request() in
issue_park_cmd(). Additionally, we should plug the queue when enqueueing
the unpark request because there is no guarantee that the park timeout
has not expired by then. Even though the chance for that to happen is
very slim, the request might end up hanging in the queue until the next
I/O operation is queued up. While at it, clean up the code a little:
- make issue_park_cmd() a function of type void since nobody cares for
  the return value anyway;
- use blk_start_queueing() instead of __blk_run_queue() since we don't
  have to worry about recursion;
- remove a superfluous pointer deference in task_no_data_intr().

Signed-off-by: Elias Oltmanns <eo@nebensachen.de>
Cc: Jeff Garzik <jeff@garzik.org>,
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Tejun Heo <htejun@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:50 +02:00
Borislav Petkov
0a9b6f8864 ide: add ide_drive_t.dma flag
This flag is to accomodate ide-cd functionality into ide atapi.

There should be no functionality change resulting from this patch.

Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:49 +02:00
Bartlomiej Zolnierkiewicz
2dbe7e919e ide: move SFF DMA code to ide-dma-sff.c
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:47 +02:00
Bartlomiej Zolnierkiewicz
2bbd57cad3 ide: switch to DMA-mapping API part #2
Follow-up to commit 5c05ff68b9
("ide: switch to DMA-mapping API"):

* pci_{alloc,free}_consistent() -> dma_{alloc,free}_coherent()
  in ide_{allocate,release}_dma_engine().

* Add ->prd_max_nents and ->prd_ent_size fields to ide_hwif_t
  (+ set default values in ide_allocate_dma_engine()).

* Make ide_{allocate,release}_dma_engine() available also
  for CONFIG_BLK_DEV_IDEDMA_SFF=n.  Then convert au1xxx-ide.c,
  scc_pata.c and sgiioc4.c to use them.

* Add missing ->init_dma method to scc_pata.

This patch also fixes:
- ->dmatable_cpu leak for au1xxx-ide
- too early realease of ->dmatable_cpu for scc_pata
- wrong amount of ->dmatable_cpu memory being freed for sgiioc4

While at it:
- remove superfluous ->dma_base check from ide_unregister()
- return -ENOMEM on error in ide_release_dma_engine()
- beautify error message in ide_release_dma_engine()

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:47 +02:00
Bartlomiej Zolnierkiewicz
ffa15a6915 ide: make ide_dma_timeout() available also for CONFIG_BLK_DEV_IDEDMA_SFF=n
Make ide_dma_timeout() available also for CONFIG_BLK_DEV_IDEDMA_SFF=n
and convert {ics,au1xxx-}ide.c to use it.

While at it:
- dump ATA Status register content on error
- use EXPORT_SYMBOL_GPL() to match the rest of SFF DMA functions

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:46 +02:00
Bartlomiej Zolnierkiewicz
de23ec9ca8 ide: make ide_dma_lost_irq() available also for CONFIG_BLK_DEV_IDEDMA_SFF=n
Make ide_dma_lost_irq() available also for CONFIG_BLK_DEV_IDEDMA_SFF=n
and convert {ics,au1xxx-}ide.c to use it.

While at it:
- use EXPORT_SYMBOL_GPL() to match the rest of SFF DMA functions

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:46 +02:00
Bartlomiej Zolnierkiewicz
653bcf5292 ide: __ide_dma_end() -> ide_dma_end()
While at it:
- use EXPORT_SYMBOL_GPL() to match the rest of SFF DMA functions

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:46 +02:00
Bartlomiej Zolnierkiewicz
f87904898e ide-disk: move all ioctl handling to ide-disk_ioctl.c
While at it:
- idedisk_ioctl() -> ide_disk_ioctl()

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:45 +02:00
Bartlomiej Zolnierkiewicz
a36223b0dc ide: remove ide_host_alloc_all()
* Remove no longer used ide_host_alloc_all().

* Add MAX_HOST_PORTS define and use it instead of MAX_HWIFS
  as the maximum number of host ports possible.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:43 +02:00
Bartlomiej Zolnierkiewicz
bfa7d8e55f ide: ->ide_dma_clear_irq() -> ->clear_irq()
* Rename ->ide_dma_clear_irq method to ->clear_irq
  and move it from ide_hwif_t to struct ide_port_ops.

* Move ->waiting_for_dma check inside ->clear_irq method.

* Move ->dma_base check inside ->clear_irq method.

piix.c:
* Add ich_port_ops and remove init_hwif_ich() wrapper.

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>
2008-10-13 21:39:42 +02:00
Bartlomiej Zolnierkiewicz
d6ff9f64e6 ide: merge all TASKFILE_NO_DATA data phase handlers into taskfile_no_intr()
* Add 'struct task_s' to ide_hwif_t and init it to the current command
  in do_rw_taskfile().

* Merge all TASKFILE_NO_DATA data phase handlers into taskfile_no_intr().

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:41 +02:00
Bartlomiej Zolnierkiewicz
6982daf71c ide: convert 'pio_mode' device setting to use DS_SYNC flag
* Convert 'pio_mode' device setting to use DS_SYNC flag.

* Remove unused special_t.b.{set_tune,serviced} and ide_drive_t.tune_req.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:40 +02:00
Bartlomiej Zolnierkiewicz
7f612f272a ide: remove [ata_]select_t
* Use 'drive->dn & 1' in ide_init_disk().

* remove [ata_]select_t.

While at it:

* Use ATA_DEVICE_OBS define in ide_port_init_devices_data().

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:40 +02:00
Bartlomiej Zolnierkiewicz
0d346ba073 ide: sanitize ide*_pm_* enums
* Move ide*_pm_* enums from ide-io.c to <linux/ide.h>.

* idedisk_pm_* -> ide_pm_*

* ide_pm_state_* -> ide_pm_*

* No need to set ide_pm_* enums to the fixed values.

* Uppercase ide_pm_* enums.

* Fix/update comments.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:38 +02:00
Bartlomiej Zolnierkiewicz
d1d76714e2 ide: fix HDIO_DRIVE_TASK[FILE] ioctls for CHS commands on LBA devices
Add IDE_DFLAG_LBA device flag and use it instead of ->select.b.lba.

Since ->tf_load uses ->select.all for ATA Device/Head register this
fixes HDIO_DRIVE_TASK[FILE] ioctls for CHS commands on LBA devices.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:38 +02:00
Bartlomiej Zolnierkiewicz
e4634d4ef0 ide: remove superfluous ->dma field from ide_hwif_t
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:37 +02:00
Bartlomiej Zolnierkiewicz
0ae4b3199a ide: remove superfluous ->media field from ide_driver_t
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:37 +02:00
Bartlomiej Zolnierkiewicz
c39220483e ide: DMA_PIO_RETRY -> IDE_DFLAG_DMA_PIO_RETRY
Add IDE_DFLAG_DMA_PIO_RETRY and use it instead of
ide_drive_t.state + DMA_PIO_RETRY.

There should be no functional changes cause by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:37 +02:00
Bartlomiej Zolnierkiewicz
97100fc816 ide: add device flags
Add 'unsigned long dev_flags' to ide_drive_t and convert bitfields
to IDE_DFLAG_* flags.

While at it:
- IDE_DFLAG_ADDRESSING -> IDE_DFLAG_LBA48
- fixup some comments
- remove needless g->flags zeroing from ide*_probe()

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:36 +02:00
Bartlomiej Zolnierkiewicz
35c1375312 ide-disk: set_addressing() fixes
* Return -EIO if arg > 0 and LBA48 is unsupported.

* No need to reset ->addressing.

* Make ->addressing a single bit flag.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:36 +02:00
Borislav Petkov
e1c7c4641a ide: add a driver-wide debugging macro
Add __ide_debug_log() debugging macro which is controlled by drive->debug_mask.
The macro has to have the macro DRV_NAME defined in each driver before use.
Also, add different debugging levels depending on the functionality debugged.

Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-13 21:39:35 +02:00