Commit Graph

54 Commits

Author SHA1 Message Date
Greg Kroah-Hartman 312facaf92 Drivers: parport: remove __dev* attributes.
CONFIG_HOTPLUG is going away as an option.  As a result, the __dev*
markings need to be removed.

This change removes the use of __devinit, __devexit_p, __devinitdata,
and __devexit from these drivers.

Based on patches originally written by Bill Pemberton, but redone by me
in order to handle some of the coding style issues better, by hand.

Cc: Bill Pemberton <wfp5p@virginia.edu>
Cc: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Matt Porter <mporter@ti.com>
Cc: Kay Sievers <kay@vrfy.org>
Cc: Gianluca Anzolin <gianluca@sottospazio.it>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-03 15:57:03 -08:00
Linus Torvalds 5d4e2d08e7 Driver core pull for 3.5-rc1
Here's the driver core, and other driver subsystems, pull request for
 the 3.5-rc1 merge window.
 
 Outside of a few minor driver core changes, we ended up with the
 following different subsystem and core changes as well, due to
 interdependancies on the driver core:
  - hyperv driver updates
  - drivers/memory being created and some drivers moved into it
  - extcon driver subsystem created out of the old Android staging switch
    driver code
  - dynamic debug updates
  - printk rework, and /dev/kmsg changes
 
 All of this has been tested in the linux-next releases for a few weeks
 with no reported problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg Kroah-Hartman:
 "Here's the driver core, and other driver subsystems, pull request for
  the 3.5-rc1 merge window.

  Outside of a few minor driver core changes, we ended up with the
  following different subsystem and core changes as well, due to
  interdependancies on the driver core:
   - hyperv driver updates
   - drivers/memory being created and some drivers moved into it
   - extcon driver subsystem created out of the old Android staging
     switch driver code
   - dynamic debug updates
   - printk rework, and /dev/kmsg changes

  All of this has been tested in the linux-next releases for a few weeks
  with no reported problems.

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

Fix up conflicts in drivers/extcon/extcon-max8997.c where git noticed
that a patch to the deleted drivers/misc/max8997-muic.c driver needs to
be applied to this one.

* tag 'driver-core-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (90 commits)
  uio_pdrv_genirq: get irq through platform resource if not set otherwise
  memory: tegra{20,30}-mc: Remove empty *_remove()
  printk() - isolate KERN_CONT users from ordinary complete lines
  sysfs: get rid of some lockdep false positives
  Drivers: hv: util: Properly handle version negotiations.
  Drivers: hv: Get rid of an unnecessary check in vmbus_prep_negotiate_resp()
  memory: tegra{20,30}-mc: Use dev_err_ratelimited()
  driver core: Add dev_*_ratelimited() family
  Driver Core: don't oops with unregistered driver in driver_find_device()
  printk() - restore prefix/timestamp printing for multi-newline strings
  printk: add stub for prepend_timestamp()
  ARM: tegra30: Make MC optional in Kconfig
  ARM: tegra20: Make MC optional in Kconfig
  ARM: tegra30: MC: Remove unnecessary BUG*()
  ARM: tegra20: MC: Remove unnecessary BUG*()
  printk: correctly align __log_buf
  ARM: tegra30: Add Tegra Memory Controller(MC) driver
  ARM: tegra20: Add Tegra Memory Controller(MC) driver
  printk() - restore timestamp printing at console output
  printk() - do not merge continuation lines of different threads
  ...
2012-05-22 16:02:13 -07:00
Kay Sievers 2c03ead66a parport: use KERN_CONT in printk() continuation lines
On Tue, May 8, 2012 at 10:48 AM, Sasha Levin <levinsasha928@gmail.com> wrote:
> Before:
> [   10.110626] parport0: PC-style at 0x378, irq 7 [PCSPP,TRISTATE]
>
> After:
> parport0: PC-style at 0x378
> , irq 7
>  [
> PCSPP
> ,TRISTATE
> ]

Reported-By: Sasha Levin <levinsasha928@gmail.com>
Signed-off-by: Kay Sievers <kay@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-05-08 08:55:26 -07:00
Matt Porter 991214386d parport: remove unused dead code from lowlevel drivers
This unused code has been untouched for over 7 years and must
go.

Signed-off-by: Matt Porter <mporter@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-20 09:48:27 -07:00
Andrew Morton 45dac90f0c drivers/parport/parport_pc.c: fix warnings
drivers/parport/parport_pc.c: In function '__check_irq':
drivers/parport/parport_pc.c:3415: warning: return from incompatible pointer type
drivers/parport/parport_pc.c: In function '__check_dma':
drivers/parport/parport_pc.c:3417: warning: return from incompatible pointer type

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-12 20:13:12 -08:00
Jiri Kosina 9fdbdd062b parport_pc: release IO region properly if unsupported ITE887x card is found
sio_ite_8872_probe() bails out if it detects no-parallel (1S, 2S) or
unknown card.

It doesn't call release_region() on the previously allocated resource
though.  This causes

  (a) leak of the resource
  (b) kernel oops when parport module is removed and /proc/ioports is read. This
      is because the string that has been associated to the IO port region
      is a static char array inside the already removed module.

Let's call release_region() properly before baling out.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Acked-by: Niels de Vos <ndevos@redhat.com>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Joe Krahn <krahn@niehs.nih.gov>
Signed-off-by: Andrew Morton <akpm@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-10-18 14:17:40 -07:00
Frédéric Brière b9b24558f7 parport/serial: add support for Timedia/SUNIX cards to parport_serial
Timedia/SUNIX PCI cards with both serial and parallel ports are
currently supported by 8250_pci and parport_pc individually.  Moving
that support into parport_serial allows using both types of ports at the
same time.

This was successfully tested with a SUNIX 4079T.

Signed-off-by: Frédéric Brière <fbriere@fbriere.net>
Acked-by: Alan Cox <alan@linux.intel.com>
Cc: linux-serial@vger.kernel.org
Cc: linux-parport@lists.infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-06-07 09:35:57 -07:00
Linus Torvalds 99dff58562 Merge branch 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6
* 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: (48 commits)
  serial: 8250_pci: add support for Cronyx Omega PCI multiserial board.
  tty/serial: Fix break handling for PORT_TEGRA
  tty/serial: Add explicit PORT_TEGRA type
  n_tracerouter and n_tracesink ldisc additions.
  Intel PTI implementaiton of MIPI 1149.7.
  Kernel documentation for the PTI feature.
  export kernel call get_task_comm().
  tty: Remove to support serial for S5P6442
  pch_phub: Support new device ML7223
  8250_pci: Add support for the Digi/IBM PCIe 2-port Adapter
  ASoC: Update cx20442 for TTY API change
  pch_uart: Support new device ML7223 IOH
  parport: Use request_muxed_region for IT87 probe and lock
  tty/serial: add support for Xilinx PS UART
  n_gsm: Use print_hex_dump_bytes
  drivers/tty/moxa.c: Put correct tty value
  TTY: tty_io, annotate locking functions
  TTY: serial_core, remove superfluous set_task_state
  TTY: serial_core, remove invalid test
  Char: moxa, fix locking in moxa_write
  ...

Fix up trivial conflicts in drivers/bluetooth/hci_ldisc.c and
drivers/tty/serial/Makefile.

I did the hci_ldisc thing as an evil merge, cleaning things up.
2011-05-23 12:23:20 -07:00
Alan Cox 868d1721a2 parport: Use request_muxed_region for IT87 probe and lock
This is needed as part of making the various IT87 drivers actually co-exist
politely with each other, and with other superio devices that may be muxed
on 0x2E/0x2F.

It can be applied before or after the other patches by Nat Gurumoorthy without
problem.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-05-06 18:29:22 -07:00
Niels de Vos 0f6db2172f parport_pc.c: correctly release the requested region for the IT887x
Replace release_resource() by release_region() and also fix the
inconsistency in the size of the requested/released region.

The size of the resource should be 32, not 0x8 like it was corrected in
commit e7c310c36e already.

CC: linux-serial@vger.kernel.org
Reported-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Niels de Vos <ndevos@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-19 16:36:24 -07:00
Lucas De Marchi 25985edced Fix common misspellings
Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
2011-03-31 11:26:23 -03:00
Niels de Vos 6c8e4c92ba parport_pc: show the detection of a 2 serial port ITE8874 chip
The printk message for the 2 serial port version is obscured with a debug
macro, unlike all other versions of the card. It should be changed to make
the output equal for all detected models.

Reference: https://bugzilla.redhat.com/show_bug.cgi?id=578616#c1

CC: Joe Krahn <krahn@niehs.nih.gov>
Signed-off-by: Niels de Vos <ndevos@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-08-24 15:21:06 +02:00
Ira W. Snyder ac6ec5b1de serial: 8250_pci: add support for MCS9865 / SYBA 6x Serial Port Card
This patch is heavily based on an earlier patch found on the linux-serial
mailing list [1], written by Darius Augulis.

The previous incarnation of this patch only supported a 2x serial port
card.  I have added support for my SYBA 6x serial port card, and tested on
x86.

[1]: http://marc.info/?l=linux-serial&m=124975806304760

Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu>
Cc: Darius Augulis <augulis.darius@gmail.com>
Cc: Greg KH <greg@kroah.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-02 14:43:08 -08:00
Joe Perches 1f2c19f8c9 parport_pc.c: use correct length in strncmp
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-12-16 07:20:12 -08:00
Michael Buesch c4285b47b0 parport/serial: add support for NetMos 9901 Multi-IO card
Add support for the PCI-Express NetMos 9901 Multi-IO card.

0001:06:00.0 Serial controller [0700]: NetMos Technology Device [9710:9901] (prog-if 02 [16550])
        Subsystem: Device [a000:1000]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0, Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 65
        Region 0: I/O ports at 0030 [size=8]
        Region 1: Memory at 80105000 (32-bit, non-prefetchable) [size=4K]
        Region 4: Memory at 80104000 (32-bit, non-prefetchable) [size=4K]
        Capabilities: <access denied>
        Kernel driver in use: serial
        Kernel modules: 8250_pci

0001:06:00.1 Serial controller [0700]: NetMos Technology Device [9710:9901] (prog-if 02 [16550])
        Subsystem: Device [a000:1000]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0, Cache Line Size: 64 bytes
        Interrupt: pin B routed to IRQ 65
        Region 0: I/O ports at 0020 [size=8]
        Region 1: Memory at 80103000 (32-bit, non-prefetchable) [size=4K]
        Region 4: Memory at 80102000 (32-bit, non-prefetchable) [size=4K]
        Capabilities: <access denied>
        Kernel driver in use: serial
        Kernel modules: 8250_pci

0001:06:00.2 Parallel controller [0701]: NetMos Technology Device [9710:9901] (prog-if 03 [IEEE1284])
        Subsystem: Device [a000:2000]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0, Cache Line Size: 64 bytes
        Interrupt: pin C routed to IRQ 65
        Region 0: I/O ports at 0010 [size=8]
        Region 1: I/O ports at <unassigned>
        Region 2: Memory at 80101000 (32-bit, non-prefetchable) [size=4K]
        Region 4: Memory at 80100000 (32-bit, non-prefetchable) [size=4K]
        Capabilities: <access denied>
        Kernel driver in use: parport_pc
        Kernel modules: parport_pc

[   16.760181] PCI parallel port detected: 416c:0100, I/O at 0x812010(0x0), IRQ 65
[   16.760225] parport0: PC-style at 0x812010, irq 65 [PCSPP,TRISTATE,EPP]
[   16.851842] serial 0001:06:00.0: enabling device (0004 -> 0007)
[   16.883776] 0001:06:00.0: ttyS0 at I/O 0x812030 (irq = 65) is a ST16650V2
[   16.893832] serial 0001:06:00.1: enabling device (0004 -> 0007)
[   16.926537] 0001:06:00.1: ttyS1 at I/O 0x812020 (irq = 65) is a ST16650V2

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-30 18:55:59 -07:00
FUJITA Tomonori dfa7c4d869 parport_pc: set properly the dma_mask for parport_pc device
parport_pc_probe_port() creates the own 'parport_pc' device if the
device argument is NULL. Then parport_pc_probe_port() doesn't
initialize the dma_mask and coherent_dma_mask of the device and calls
dma_alloc_coherent with it. dma_alloc_coherent fails because
dma_alloc_coherent() doesn't accept the uninitialized dma_mask:

http://lkml.org/lkml/2009/6/16/150

Long ago, X86_32 and X86_64 had the own dma_alloc_coherent
implementations; X86_32 accepted a device having dma_mask that is not
initialized however X86_64 didn't. When we merged them, we chose to
prohibit a device having dma_mask that is not initialized. I think
that it's good to require drivers to set up dma_mask (and
coherent_dma_mask) properly if the drivers want DMA.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Reported-by: Malcom Blaney <malcolm.blaney@maptek.com.au>
Tested-by: Malcom Blaney <malcolm.blaney@maptek.com.au>
Cc: stable@kernel.org
Signed-off-by: Alan Cox <alan@linux.intel.com>
Acked-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-22 11:29:00 -07:00
Jens Rottmann e2434dc1c1 parport_pc: after superio probing restore original register values
CONFIG_PARPORT_PC_SUPERIO probes for various superio chips by writing
byte sequences to a set of different potential I/O ranges.  But the
probed ranges are not exclusive to parallel ports.  Some of our boards
just happen to have a watchdog in one of them.  Took us almost a week
to figure out why some distros reboot without warning after running
flawlessly for 3 hours.  For exactly 170 = 0xAA minutes, that is ...

Fixed by restoring original values after probing.  Also fixed too small
request_region() in detect_and_report_it87().

Signed-off-by: Jens Rottmann <JRottmann@LiPPERTEmbedded.de>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: <stable@kernel.org>
Acked-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-22 11:28:59 -07:00
Alan Cox 181bf1e815 parport_pc: clean up the modified while loops using for
And tidy up a few bits coding style detectors missed

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11 08:51:03 -07:00
Alan Cox 3aeda9bc95 parport_pc: Coding style
Michael's patch fixed some of the coding style so the style is now
inconsistent. Sort the rest out

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11 08:51:03 -07:00
Michael Buesch 73e0d48b8c parport_pc: Fix subscription bugs
This patch fixes array subscription bugs in the parport_pc driver.

drivers/parport/parport_pc.c: In function ‘parport_irq_probe’:
drivers/parport/parport_pc.c:1589: warning: array subscript is above array bounds
drivers/parport/parport_pc.c: In function ‘parport_pc_probe_port’:
drivers/parport/parport_pc.c:1579: warning: array subscript is above array bounds

The patch also fixes a few other array bugs, which the compiler was
unable to find. Coding style violations are also fixed.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11 08:51:03 -07:00
Alan Cox 51dcdfec6a parport: Use the PCI IRQ if offered
PCI parallel port devices can IRQ share so we should stop them hogging
the line and making a mess on modern PC systems.  We know the sharing
side works as the PCMCIA driver has shared the parallel port IRQ for
some time.

Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-07 08:44:06 -07:00
Lee Howard 7106b4e333 8250: Oxford Semiconductor Devices
Add support for the OxSemi 'Tornado' devices.

Reformatted and reworked a bit by Alan Cox

Signed-off-by: Lee Howard <lee.howard@mainpine.com>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-23 09:31:09 -07:00
Bernhard Walle adbd321a17 parport_pc: add base_hi BAR for oxsemi_840
Use the 2nd BAR for the oxsemi_840 chip as BAR for base_hi.  Tested with:

Parallel controller [0701]: Oxford Semiconductor Ltd VScom 011H-EP1
        1 port parallel adaptor [1415:8403] (prog-if 03 [IEEE1284])

This patch is needed to make 'TRISTATE' work with that adaptor.

Signed-off-by: Bernhard Walle <bwalle@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-26 12:00:03 -07:00
Harvey Harrison 145980a0b0 drivers: replace remaining __FUNCTION__ occurrences
__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-30 08:29:53 -07:00
Bjorn Helgaas f2b9a3962c parport_pc: wrap PNP probe code in #ifdef CONFIG_PNP
Wrap PNP probe code in #ifdef CONFIG_PNP.  We already do the same for
CONFIG_PCI.

Without this change, we'll have unresolved references to pnp_get_resource()
function when CONFIG_PNP=n.  (This is a new interface that's not in mainline
yet.)

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-29 08:06:26 -07:00
Linus Torvalds 4ed919014e parport_pc: make sure to release IO ports after probing for IT87XX
Commit f63fd7e299 ("parport_pc: detection
for SuperIO IT87XX POST") only released the IO port region on success,
not when the probe for the IT87XX chip failed.

That caused not only a reserved region to leak, but also caused an oops
when the driver module was unloaded and somebody tried to cat
/proc/ioports - because the string that was assigned to the IO port
region was a static string in the module virtual address area.

Reported-by: Lubos Lunak <l.lunak@suse.cz>
Cc: Jan Kara <jack@suse.cz>
Cc: Petr Cvek <petr.cvek@tul.cz>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-04 14:30:31 -07:00
David Brownell 55265b00ad parport: section fixup
Fix section warning for parport_ECP_supported(); it's called from a routine
exported to modules, so it can't be removed with __devinit section pruning.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13 16:21:19 -08:00
Petr Cvek f63fd7e299 parport_pc: detection for SuperIO IT87XX POST
Add detection for IT87XX SuperIO chip and disabling its POST feature, which
made noise on parallel port's pins.

Signed-off-by: Petr Cvek <petr.cvek@tul.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-06 10:41:08 -08:00
Luís P Mendes dc999159bb parport: add support for the Quatech SPPXP-100 Parallel port PCI ExpressCard
Added pci device id for the Quatech SPPXP-100 ExpressCard - 0x278 - to
include/linux/pci_id.h

Modified drivers/parport/parport_pc.c to support the Quatech SPPXP-100 Parallel port PCI ExpressCard

[akpm@linux-foundation.org: build fix]
Signed-off-by: Luís P Mendes <luis.p.mendes@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-06 10:41:08 -08:00
Jeff Garzik 3f2e40df0e [PARPORT] Consolidate code copies into a single generic irq handler
Several arches used the exact same code for their parport irq handling.
Make that code generic, in parport_irq_handler().

Also, s/__inline__/inline/ in include/linux/parport.h.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2007-10-23 19:53:15 -04:00
Andrew Morton 8daedea656 parport_pc locking fix
http://bugzilla.kernel.org/show_bug.cgi?id=8821 reports a might_sleep()
warning due to parport_pc_exit() running platform_device_unregister() while
holding ports_lock.

Just remove the locking: nobody else can access ports_list during module_exit.

Cc: "Mike Sharkey" <mike@pikeaero.com>
Cc: Tim Waugh <tim@cyberelk.net>
Cc: Stas Sergeev <stsp@aknet.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-31 15:39:37 -07:00
Niels de Vos e7c310c36e parport_pc: it887x fix
The IO port range requested by parport_pc.c:sio_ite_8872_probe is too small.
The IO-ports of ttyS1 (0x2f8) will be missconfigured by the ITE-chip.  The ITE
starts looking for the chip a 0x2a0.  An IO-portrange of 32 will not overwrite
the ports of ttyS1.  Therefore register 0x60 should be written with
0xe5000000, enabling the ITE and setting IO-portsize to 32 bytes.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16 09:05:50 -07:00
Andrew Morton 8382d2b9a7 parport_pc needs dma-mapping.h
alpha:

drivers/parport/parport_pc.c: In function 'parport_pc_fifo_write_block_dma':
drivers/parport/parport_pc.c:636: warning: implicit declaration of function 'dma_map_single'
drivers/parport/parport_pc.c:637: error: 'DMA_TO_DEVICE' undeclared (first use in this function)
drivers/parport/parport_pc.c:637: error: (Each undeclared identifier is reported only once
drivers/parport/parport_pc.c:637: error: for each function it appears in.)

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-16 21:19:15 -07:00
Jean Delvare a7d801afc3 legacy PC parports support parport->dev
Give legacy parallel ports a platform device in the device tree.

This is a quick and dirty implementation; it doesn't actually convert the
legacy parport code to the device driver model (by splitting out probing from
device creation).  But at least parallel port device drivers will finally have
a device to work with.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-08 11:15:05 -07:00
David Brownell c15a3837d2 parport->dev driver model support
Currently a parport_driver can't get a handle on the device node for the
underlying parport (PNPACPI, PCI, etc).  That prevents correct placement of
sysfs child nodes, which can affect things like power management.

This patch adds a field to "struct parport" pointing to that device node, and
updates non-legacy port drivers to initialize that device pointer.  That field
replaces the analagous PCI-only support in parport_pc.

[akpm@linux-foundation.org: fix powerpc build]
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-08 11:15:05 -07:00
Jean Delvare 0bb92e6cd3 [PATCH] parport_pc: fix parport_pc_probe_port section warning
WARNING: drivers/parport/parport_pc.o - Section mismatch: reference
to .init.text: from .text between 'parport_pc_probe_port' (at offset
0x14f7) and 'parport_pc_unregister_port'

parport_dma_probe() cannot be declared __devinit as it is called
from parport_pc_probe_port() which isn't.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-20 17:10:16 -08:00
Randy Dunlap 4438982f56 [PATCH] parport: section mismatches with HOTPLUG=n
When CONFIG_HOTPLUG=n, parport_pc calls some __devinit == __init code that
could be discarded.  These calls are made from parport_irq_probe(), which is
called from parport_pc_probe_port(), which is an exported symbol, so the calls
could (possibly) happen after init time.

WARNING: drivers/parport/parport_pc.o - Section mismatch: reference to .init.text: from .text between 'parport_irq_probe' (at offset 0x31d) and 'parport_pc_probe_port'
WARNING: drivers/parport/parport_pc.o - Section mismatch: reference to .init.text: from .text between 'parport_irq_probe' (at offset 0x346) and 'parport_pc_probe_port'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-07 08:39:40 -08:00
Ryan Underwood c140e11001 [PATCH] parport_pc: Add support for OX16PCI952 parallel port
Add support for the parallel port (implemented as separate PCI function) on
the Oxford Semiconductor OX16PCI952.

Signed-off-by: Ryan Underwood <nemesis@icequake.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-07 08:39:34 -08:00
David Howells 7d12e780e0 IRQ: Maintain regs pointer globally rather than passing to IRQ handlers
Maintain a per-CPU global "struct pt_regs *" variable which can be used instead
of passing regs around manually through all ~1800 interrupt handlers in the
Linux kernel.

The regs pointer is used in few places, but it potentially costs both stack
space and code to pass it around.  On the FRV arch, removing the regs parameter
from all the genirq function results in a 20% speed up of the IRQ exit path
(ie: from leaving timer_interrupt() to leaving do_IRQ()).

Where appropriate, an arch may override the generic storage facility and do
something different with the variable.  On FRV, for instance, the address is
maintained in GR28 at all times inside the kernel as part of general exception
handling.

Having looked over the code, it appears that the parameter may be handed down
through up to twenty or so layers of functions.  Consider a USB character
device attached to a USB hub, attached to a USB controller that posts its
interrupts through a cascaded auxiliary interrupt controller.  A character
device driver may want to pass regs to the sysrq handler through the input
layer which adds another few layers of parameter passing.

I've build this code with allyesconfig for x86_64 and i386.  I've runtested the
main part of the code on FRV and i386, though I can't test most of the drivers.
I've also done partial conversion for powerpc and MIPS - these at least compile
with minimal configurations.

This will affect all archs.  Mostly the changes should be relatively easy.
Take do_IRQ(), store the regs pointer at the beginning, saving the old one:

	struct pt_regs *old_regs = set_irq_regs(regs);

And put the old one back at the end:

	set_irq_regs(old_regs);

Don't pass regs through to generic_handle_irq() or __do_IRQ().

In timer_interrupt(), this sort of change will be necessary:

	-	update_process_times(user_mode(regs));
	-	profile_tick(CPU_PROFILING, regs);
	+	update_process_times(user_mode(get_irq_regs()));
	+	profile_tick(CPU_PROFILING);

I'd like to move update_process_times()'s use of get_irq_regs() into itself,
except that i386, alone of the archs, uses something other than user_mode().

Some notes on the interrupt handling in the drivers:

 (*) input_dev() is now gone entirely.  The regs pointer is no longer stored in
     the input_dev struct.

 (*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking.  It does
     something different depending on whether it's been supplied with a regs
     pointer or not.

 (*) Various IRQ handler function pointers have been moved to type
     irq_handler_t.

Signed-Off-By: David Howells <dhowells@redhat.com>
(cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)
2006-10-05 15:10:12 +01:00
Olaf Hering 873ef76bdc [PATCH] restore parport_pc probing on powermac
The last change for partport_pc did fix the common case for all PowerMacs,
but it broke the case for PCI multiport IO cards.  In fact, the config
option CONFIG_PARPORT_PC_SUPERIO=y lead to a hard crash when cups probed
the parport driver.  It enables the winbond and smsc probing.

Remove the PARPORT_BASE check again, parport_pc_find_nonpci_ports() will
take care of it.  All powerpc configs should have
CONFIG_PARPORT_PC_SUPERIO=n, the code did not find anything on the chrp
boards we tested it on.

Tested on a G4/466 with a PCI card:

0001:10:13.0 Serial controller: Timedia Technology Co Ltd PCI2S550 (Dual 16550 UART) (rev 01) (prog-if 02 [16550])
        Subsystem: Timedia Technology Co Ltd Unknown device 5079
        Control: I/O+ Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping+ SERR- FastB2B-
        Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
        Interrupt: pin A routed to IRQ 53
        Region 0: I/O ports at f2000800 [size=32]
        Region 2: I/O ports at f2000870 [size=8]
        Region 3: I/O ports at f2000860 [size=8]

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Adam Belay <ambx1@neo.rr.com>
Cc: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-03 08:03:41 -07:00
Olaf Hering 30cbc22217 [PATCH] update legacy io handling for pmac
ppc can boot one single binary on prep, chrp and pmac boards.  ppc64 can
boot one single binary on pseries and G5 boards.  pmac has no legacy io,
probing for PC style legacy hardware (or accessing the legacy io area
regulary) may lead to a hard crash:

* add check for parport_pc, exit on pmac.  32bit chrp has no
  ->check_legacy_ioport, the probe is always called.  64bit chrp has
  check_legacy_ioport, check for a "parallel" node

* add check for isapnp, only PReP boards may have real ISA slots.  32bit
  PReP will have no ->check_legacy_ioport, the probe is always called.

* update code in i8042_platform_init.  Run ->check_legacy_ioport first,
  always call request_region.  No functional change.  Remove whitespace
  before i8042_reset init.

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Adam Belay <ambx1@neo.rr.com>
Cc: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-01 00:39:23 -07:00
Jörn Engel 6ab3d5624e Remove obsolete #include <linux/config.h>
Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-06-30 19:25:36 +02:00
Adrian Bunk bdca3f202d remove the bouncing email address of David Campbell
This patch removes a bouncing email address from the kernel sources.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-06-26 18:19:23 +02:00
Randy.Dunlap 96766a3caa [PATCH] parport_pc: fix section mismatch warnings (v2)
From: Randy Dunlap <rdunlap@xenotime.net>

Fix all modpost section mismatch warnings in parport_pc:

WARNING: drivers/parport/parport_pc.o - Section mismatch: reference to .init.text: from .text.parport_pc_probe_port after 'parport_pc_probe_port' (at offset 0x230)
WARNING: drivers/parport/parport_pc.o - Section mismatch: reference to .init.text: from .text.parport_pc_probe_port after 'parport_pc_probe_port' (at offset 0x283)
WARNING: drivers/parport/parport_pc.o - Section mismatch: reference to .init.text: from .text.parport_pc_probe_port after 'parport_pc_probe_port' (at offset 0x3e6)
WARNING: drivers/parport/parport_pc.o - Section mismatch: reference to .init.text: from .text.parport_pc_probe_port after 'parport_pc_probe_port' (at offset 0x400)
WARNING: drivers/parport/parport_pc.o - Section mismatch: reference to .init.text: from .text.parport_pc_probe_port after 'parport_pc_probe_port' (at offset 0x463)
WARNING: drivers/parport/parport_pc.o - Section mismatch: reference to .init.text: from .text.parport_pc_probe_port after 'parport_pc_probe_port' (at offset 0x488)
WARNING: drivers/parport/parport_pc.o - Section mismatch: reference to .init.data:superios from .text.parport_pc_probe_port after 'parport_pc_probe_port' (at offset 0x54c)
WARNING: drivers/parport/parport_pc.o - Section mismatch: reference to .init.data: from .text.parport_pc_probe_port after 'parport_pc_probe_port' (at offset 0x56a)
WARNING: drivers/parport/parport_pc.o - Section mismatch: reference to .init.data: from .text.parport_pc_pci_probe after 'parport_pc_pci_probe' (at offset 0x67)
WARNING: drivers/parport/parport_pc.o - Section mismatch: reference to .init.data: from .text.parport_pc_pci_probe after 'parport_pc_pci_probe' (at offset 0x9f)
WARNING: drivers/parport/parport_pc.o - Section mismatch: reference to .init.data: from .text.parport_pc_pci_probe after 'parport_pc_pci_probe' (at offset 0xa7)
WARNING: drivers/parport/parport_pc.o - Section mismatch: reference to .init.data:cards from .text.parport_pc_pci_probe after 'parport_pc_pci_probe' (at offset 0x132)
WARNING: drivers/parport/parport_pc.o - Section mismatch: reference to .init.data: from .text.parport_pc_pci_probe after 'parport_pc_pci_probe' (at offset 0x142)

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-04-19 09:13:52 -07:00
Bjorn Helgaas 7597fee389 [PATCH] pnp: parport: adjust pnp_register_driver signature
Remove the assumption that pnp_register_driver() returns the number of devices
claimed.

parport_pc_init() does nothing with "count", so remove it.  Then nobody uses
the return value of parport_pc_find_ports(), so make it void.  Finally, update
pnp_register_driver() usage.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Adam Belay <ambx1@neo.rr.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-27 08:44:52 -08:00
Andrew Morton d1c4ac408f [PATCH] parport_pc: arm build fix
free_dma() isn't implemented on ARM unless HAS_DMA is set.

Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-08 20:14:06 -08:00
Marko Kohtala a6767b7cc6 [PATCH] parport: constification
Trivial "const" additions to places in parport that truly are const.

Signed-off-by: Marko Kohtala <marko.kohtala@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06 08:33:57 -08:00
Nishanth Aravamudan 7b4ccf8db4 [PATCH] parport: fix-up schedule_timeout() usage
Use schedule_timeout_interruptible() instead of
set_current_state()/schedule_timeout() to reduce kernel size.  Also use
human-time to jiffies units conversion functions rather than direct HZ
division to avoid rounding issues.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-10 10:06:38 -07:00
Jiri Slaby c9d8073fd2 [PATCH] PCI: remove pci_find_device from parport_pc.c
This patch changes pci_find_device to pci_get_device (encapsulated in
for_each_pci_dev).

Signed-off-by: Jiri Slaby <xslaby@fi.muni.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2005-09-08 14:57:25 -07:00
Maximilian Attems 85747f0325 [PATCH] parport: add NetMOS 9805 support
This interface is said to be commonly used in germany: "The patch has been
proven to work fine in a beige G3 Mac."
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=262324

Signed-off-by: maximilian attems <janitor@sternwelten.at>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-07 16:57:28 -07:00