Commit Graph

397 Commits

Author SHA1 Message Date
Linus Torvalds
cea8f46c36 Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm
Pull ARM updates from Russell King:
 "First ARM push of this merge window, post me coming back from holiday.
  This is what has been in linux-next for the last few weeks.  Not much
  to say which isn't described by the commit summaries."

* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (32 commits)
  ARM: 7463/1: topology: Update cpu_power according to DT information
  ARM: 7462/1: topology: factorize the update of sibling masks
  ARM: 7461/1: topology: Add arch_scale_freq_power function
  ARM: 7456/1: ptrace: provide separate functions for tracing syscall {entry,exit}
  ARM: 7455/1: audit: move syscall auditing until after ptrace SIGTRAP handling
  ARM: 7454/1: entry: don't bother with syscall tracing on ret_from_fork path
  ARM: 7453/1: audit: only allow syscall auditing for pure EABI userspace
  ARM: 7452/1: delay: allow timer-based delay implementation to be selected
  ARM: 7451/1: arch timer: implement read_current_timer and get_cycles
  ARM: 7450/1: dcache: select DCACHE_WORD_ACCESS for little-endian ARMv6+ CPUs
  ARM: 7449/1: use generic strnlen_user and strncpy_from_user functions
  ARM: 7448/1: perf: remove arm_perf_pmu_ids global enumeration
  ARM: 7447/1: rwlocks: remove unused branch labels from trylock routines
  ARM: 7446/1: spinlock: use ticket algorithm for ARMv6+ locking implementation
  ARM: 7445/1: mm: update CONTEXTIDR register to contain PID of current process
  ARM: 7444/1: kernel: add arch-timer C3STOP feature
  ARM: 7460/1: remove asm/locks.h
  ARM: 7439/1: head.S: simplify initial page table mapping
  ARM: 7437/1: zImage: Allow DTB command line concatenation with ATAG_CMDLINE
  ARM: 7436/1: Do not map the vectors page as write-through on UP systems
  ...
2012-07-27 15:14:26 -07:00
Arnd Bergmann
929678005c ARM: 7459/1: irda/pxa: use readl_relaxed() to access OSCR register
After c00184f9ab4 "ARM: sa11x0/pxa: convert OS timer registers to IOMEM",
magician_defconfig and a few others fail to build because the OSCR
register is accessed by the drivers/net/irda/pxaficp_ir.c but has turned
into a pointer that needs to be read using readl.

There are other registers in the same driver that eventually should
be converted, and it's unclear whether we would want a better interface
to access the OSCR from a device driver.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-07-09 17:39:35 +01:00
Joe Perches
c2fd03a011 drivers: net: Remove casts to same type
Adding casts of objects to the same type is unnecessary
and confusing for a human reader.

For example, this cast:

        int y;
        int *p = (int *)&y;

I used the coccinelle script below to find and remove these
unnecessary casts.  I manually removed the conversions this
script produces of casts with __force, __iomem and __user.

@@
type T;
T *p;
@@

-       (T *)p
+       p

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-06 09:31:33 -07:00
Linus Torvalds
e8650a0823 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial updates from Jiri Kosina:
 "As usual, it's mostly typo fixes, redundant code elimination and some
  documentation updates."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (57 commits)
  edac, mips: don't change code that has been removed in edac/mips tree
  xtensa: Change mail addresses of Hannes Weiner and Oskar Schirmer
  lib: Change mail address of Oskar Schirmer
  net: Change mail address of Oskar Schirmer
  arm/m68k: Change mail address of Sebastian Hess
  i2c: Change mail address of Oskar Schirmer
  net: Fix tcp_build_and_update_options comment in struct tcp_sock
  atomic64_32.h: fix parameter naming mismatch
  Kconfig: replace "--- help ---" with "---help---"
  c2port: fix bogus Kconfig "default no"
  edac: Fix spelling errors.
  qla1280: Remove redundant NULL check before release_firmware() call
  remoteproc: remove redundant NULL check before release_firmware()
  qla2xxx: Remove redundant NULL check before release_firmware() call.
  aic94xx: Get rid of redundant NULL check before release_firmware() call
  tehuti: delete redundant NULL check before release_firmware()
  qlogic: get rid of a redundant test for NULL before call to release_firmware()
  bna: remove redundant NULL test before release_firmware()
  tg3: remove redundant NULL test before release_firmware() call
  typhoon: get rid of redundant conditional before all to release_firmware()
  ...
2012-05-22 19:22:50 -07:00
Linus Torvalds
a481991467 USB 3.5-rc1 pull request
Here is the big USB 3.5-rc1 pull request for the 3.5-rc1 merge window.
 
 It's touches a lot of different parts of the kernel, all USB drivers,
 due to some API cleanups (getting rid of the ancient err() macro) and
 some changes that are needed for USB 3.0 power management updates.
 
 There are also lots of new drivers, pimarily gadget, but others as well.
 We deleted a staging driver, which was nice, and finally dropped the
 obsolete usbfs code, which will make Al happy to never have to touch
 that again.
 
 There were some build errors in the tree that linux-next found a few
 days ago, but those were fixed by the most recent changes (all were due
 to us not building with CONFIG_PM disabled.)
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB 3.5-rc1 changes from Greg Kroah-Hartman:
 "Here is the big USB 3.5-rc1 pull request for the 3.5-rc1 merge window.

  It's touches a lot of different parts of the kernel, all USB drivers,
  due to some API cleanups (getting rid of the ancient err() macro) and
  some changes that are needed for USB 3.0 power management updates.

  There are also lots of new drivers, pimarily gadget, but others as
  well.  We deleted a staging driver, which was nice, and finally
  dropped the obsolete usbfs code, which will make Al happy to never
  have to touch that again.

  There were some build errors in the tree that linux-next found a few
  days ago, but those were fixed by the most recent changes (all were
  due to us not building with CONFIG_PM disabled.)

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

* tag 'usb-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (477 commits)
  xhci: Fix DIV_ROUND_UP compile error.
  xhci: Fix compile with CONFIG_USB_SUSPEND=n
  USB: Fix core compile with CONFIG_USB_SUSPEND=n
  brcm80211: Fix compile error for .disable_hub_initiated_lpm.
  Revert "USB: EHCI: work around bug in the Philips ISP1562 controller"
  MAINTAINERS: Add myself as maintainer to the USB PHY Layer
  USB: EHCI: fix command register configuration lost problem
  USB: Remove races in devio.c
  USB: ehci-platform: remove update_device
  USB: Disable hub-initiated LPM for comms devices.
  xhci: Add Intel U1/U2 timeout policy.
  xhci: Add infrastructure for host-specific LPM policies.
  USB: Add macros for interrupt endpoint types.
  xhci: Reserve one command for USB3 LPM disable.
  xhci: Some Evaluate Context commands must succeed.
  USB: Disable USB 3.0 LPM in critical sections.
  USB: Add support to enable/disable USB3 link states.
  USB: Allow drivers to disable hub-initiated LPM.
  USB: Calculate USB 3.0 exit latencies for LPM.
  USB: Refactor code to set LPM support flag.
  ...

Conflicts:
	arch/arm/mach-exynos/mach-nuri.c
	arch/arm/mach-exynos/mach-universal_c210.c
	drivers/net/wireless/ath/ath6kl/usb.c
2012-05-22 15:50:46 -07:00
Linus Torvalds
9bc747bea5 arm-soc: First batch of cleanups
These cleanups are basically all over the place. The idea is to collect
 changes with minimal impact but large number of changes so we can avoid
 them from distracting in the diffstat in the other series.
 
 A significant number of lines get removed here, in particular because
 the ixp2000 and ixp23xx platforms get removed. These have never been
 extremely popular and have fallen into disuse over time with no active
 maintainer taking care of them. The u5500 soc never made it into a
 product, so we are removing it from the ux500 platform.
 
 Many good cleanups also went into the at91 and omap platforms, as has
 been the case for a number of releases.
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull first batch of arm-soc cleanups from Olof Johansson:
 "These cleanups are basically all over the place.  The idea is to
  collect changes with minimal impact but large number of changes so we
  can avoid them from distracting in the diffstat in the other series.

  A significant number of lines get removed here, in particular because
  the ixp2000 and ixp23xx platforms get removed.  These have never been
  extremely popular and have fallen into disuse over time with no active
  maintainer taking care of them.  The u5500 soc never made it into a
  product, so we are removing it from the ux500 platform.

  Many good cleanups also went into the at91 and omap platforms, as has
  been the case for a number of releases."

Trivial modify-delete conflicts in arch/arm/mach-{ixp2000,ixp23xx}

* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (152 commits)
  ARM: clps711x: Cleanup IRQ handling
  ARM clps711x: Removed unused header mach/time.h
  ARM: clps711x: Added note about support EP731x CPU to Kconfig
  ARM: clps711x: Added missing register definitions
  ARM: clps711x: Used own subarch directory for store header file
  Dove: Fix Section mismatch warnings
  ARM: orion5x: ts78xx debugging changes
  ARM: orion5x: remove PM dependency from ts78xx
  ARM: orion5x: ts78xx fix NAND resource off by one
  ARM: orion5x: ts78xx whitespace cleanups
  Orion5x: Fix Section mismatch warnings
  Orion5x: Fix warning: struct pci_dev declared inside paramter list
  ARM: clps711x: Combine header files into one for clps711x-targets
  ARM: S3C24XX: Use common macro to define resources on mach-qt2410.c
  ARM: S3C24XX: Use common macro to define resources on mach-osiris.c
  ARM: EXYNOS: Adapt to cpuidle core time keeping and irq enable
  ARM: S5PV210: Use common macro to define resources on mach-smdkv210.c
  ARM: S5PV210: Use common macro to define resources on dev-audio.c
  ARM: S5PC100: Use common macro to define resources on dev-audio.c
  ARM: S5P64X0: Use common macro to define resources on dev-audio.c
  ...
2012-05-22 09:23:24 -07:00
Alexander Shiyan
94bd32792e ARM: clps711x: Combine header files into one for clps711x-targets
Current ARM7 Cirrus Logic product line contains only 3 cpu.
EP7312 - Fully functional.
EP7309 - Missing SDRAM interface.
EP7311 - Missing DAI.
It makes no sense to separate the header files to identify these differences,
it is only necessary to keep in mind the presence or lack of any features of
a specific CPU when writing code.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-05-13 21:53:03 +02:00
Linus Walleij
97076d275c NET: smsc-ircc2: mark non-experimental
This has been used by me and others for ages, let's stop calling it
experimental.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-04-27 00:03:35 -04:00
Greg Kroah-Hartman
46267f4caa USB: stir4200.c: remove err() usage
err() was a very old USB-specific macro that I thought had
gone away.  This patch removes it from being used in the
driver and uses dev_err() instead.

CC: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-25 14:48:51 -07:00
Greg Kroah-Hartman
d867c43e24 USB: ksdazzle-sir.c: remove err() usage
err() was a very old USB-specific macro that I thought had
gone away.  This patch removes it from being used in the
driver and uses dev_err() instead.

CC: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-25 14:48:51 -07:00
Greg Kroah-Hartman
32279240ab USB: ks959-sir.c: remove err() usage
err() was a very old USB-specific macro that I thought had
gone away.  This patch removes it from being used in the
driver and uses dev_err() instead.

CC: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-25 14:48:50 -07:00
Greg Kroah-Hartman
6f0d27ff97 USB: kingsun-sir.c: remove err() usage
err() was a very old USB-specific macro that I thought had
gone away.  This patch removes it from being used in the
driver and uses dev_err() instead.

CC: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-25 14:48:50 -07:00
Greg Kroah-Hartman
3d55ea3e22 USB: irda-usb.c: remove err() usage
err() was a very old USB-specific macro that I thought had
gone away.  This patch removes it from being used in the
driver and uses dev_err() instead.

CC: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-25 14:48:49 -07:00
Arnd Bergmann
32fd32a59c donauboe: replace excessive udelay with msleep
No driver should spin the CPU for 10ms, so better use
an msleep, which is allowed in the ->suspend function.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-04-21 15:28:47 -04:00
Masanari Iida
59bf896406 Fix "the the" in various Kconfig
Fix typo "the the" in various Kconfig.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-04-18 14:12:27 +02:00
Masanari Iida
fd9071ec61 net: Fix spelling typo in net
Correct spelling typo within drivers/net.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-04-14 15:29:02 -04:00
Russell King
d9d5454014 ARM: sa11x0: fix build errors from DMA engine API updates
The recent merge of the sa11x0 code into mainline had silent conflicts
with further development of the DMA engine API, leading to build errors
and warnings:

drivers/net/irda/sa1100_ir.c: In function 'sa1100_irda_dma_start':
drivers/net/irda/sa1100_ir.c:151: error: too few arguments to function 'chan->device->device_prep_slave_sg'
drivers/dma/sa11x0-dma.c: In function 'sa11x0_dma_probe':
drivers/dma/sa11x0-dma.c:950: warning: assignment from incompatible pointer type

Fix these.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-30 11:46:20 +01:00
Linus Torvalds
0195c00244 Disintegrate and delete asm/system.h
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Merge tag 'split-asm_system_h-for-linus-20120328' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-asm_system

Pull "Disintegrate and delete asm/system.h" from David Howells:
 "Here are a bunch of patches to disintegrate asm/system.h into a set of
  separate bits to relieve the problem of circular inclusion
  dependencies.

  I've built all the working defconfigs from all the arches that I can
  and made sure that they don't break.

  The reason for these patches is that I recently encountered a circular
  dependency problem that came about when I produced some patches to
  optimise get_order() by rewriting it to use ilog2().

  This uses bitops - and on the SH arch asm/bitops.h drags in
  asm-generic/get_order.h by a circuituous route involving asm/system.h.

  The main difficulty seems to be asm/system.h.  It holds a number of
  low level bits with no/few dependencies that are commonly used (eg.
  memory barriers) and a number of bits with more dependencies that
  aren't used in many places (eg.  switch_to()).

  These patches break asm/system.h up into the following core pieces:

    (1) asm/barrier.h

        Move memory barriers here.  This already done for MIPS and Alpha.

    (2) asm/switch_to.h

        Move switch_to() and related stuff here.

    (3) asm/exec.h

        Move arch_align_stack() here.  Other process execution related bits
        could perhaps go here from asm/processor.h.

    (4) asm/cmpxchg.h

        Move xchg() and cmpxchg() here as they're full word atomic ops and
        frequently used by atomic_xchg() and atomic_cmpxchg().

    (5) asm/bug.h

        Move die() and related bits.

    (6) asm/auxvec.h

        Move AT_VECTOR_SIZE_ARCH here.

  Other arch headers are created as needed on a per-arch basis."

Fixed up some conflicts from other header file cleanups and moving code
around that has happened in the meantime, so David's testing is somewhat
weakened by that.  We'll find out anything that got broken and fix it..

* tag 'split-asm_system_h-for-linus-20120328' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-asm_system: (38 commits)
  Delete all instances of asm/system.h
  Remove all #inclusions of asm/system.h
  Add #includes needed to permit the removal of asm/system.h
  Move all declarations of free_initmem() to linux/mm.h
  Disintegrate asm/system.h for OpenRISC
  Split arch_align_stack() out from asm-generic/system.h
  Split the switch_to() wrapper out of asm-generic/system.h
  Move the asm-generic/system.h xchg() implementation to asm-generic/cmpxchg.h
  Create asm-generic/barrier.h
  Make asm-generic/cmpxchg.h #include asm-generic/cmpxchg-local.h
  Disintegrate asm/system.h for Xtensa
  Disintegrate asm/system.h for Unicore32 [based on ver #3, changed by gxt]
  Disintegrate asm/system.h for Tile
  Disintegrate asm/system.h for Sparc
  Disintegrate asm/system.h for SH
  Disintegrate asm/system.h for Score
  Disintegrate asm/system.h for S390
  Disintegrate asm/system.h for PowerPC
  Disintegrate asm/system.h for PA-RISC
  Disintegrate asm/system.h for MN10300
  ...
2012-03-28 15:58:21 -07:00
David Howells
9ffc93f203 Remove all #inclusions of asm/system.h
Remove all #inclusions of asm/system.h preparatory to splitting and killing
it.  Performed with the following command:

perl -p -i -e 's!^#\s*include\s*<asm/system[.]h>.*\n!!' `grep -Irl '^#\s*include\s*<asm/system[.]h>' *`

Signed-off-by: David Howells <dhowells@redhat.com>
2012-03-28 18:30:03 +01:00
Linus Torvalds
9e4db1c3ee Merge branch 'platforms' of git://git.linaro.org/people/rmk/linux-arm
Pull ARM platform updates from Russell King:
 "This covers platform stuff for platforms I have a direct interest in
  (iow, I have the hardware).  Essentially:
   - as we no longer support any other Acorn platforms other than RiscPC
     anymore, we can collect all that code into mach-rpc.
   - convert Acorn expansion card stuff to use IRQ allocation functions,
     and get rid of NO_IRQ from there.
   - cleanups to the ebsa110 platform to move some private stuff out of
     its header files.
   - large amount of SA11x0 updates:
   - conversion of private DMA implementation to DMA engine support
     (this actually gives us greater flexibility in drivers over the old
     API.)
   - re-worked ucb1x00 updates - convert to genirq, remove sa11x0
     dependencies, fix various minor issues
   - move platform specific sa11x0 framebuffer data into platform files
     in arch/arm instead of keeping this in the driver itself
   - update sa11x0 IrDA driver for DMA engine, and allow it to use DMA
     for SIR transmissions as well as FIR
   - rework sa1111 support for genirq, and irq allocation
   - fix sa1111 IRQ support so it works again
   - use sparse IRQ support

  After this, I have one more pull request remaining from my current
  set, which I think is going to be the most problematical as it
  generates 8 conflicts."

Fixed up the trivial conflict in arch/arm/mach-rpc/Makefile as per
Russell.

* 'platforms' of git://git.linaro.org/people/rmk/linux-arm: (125 commits)
  ARM: 7343/1: sa11x0: convert to sparse IRQ
  ARM: 7342/2: sa1100: prepare for sparse irq conversion
  ARM: 7341/1: input: prepare jornada720 keyboard and ts for sa11x0 sparse irq
  ARM: 7340/1: rtc: sa1100: include mach/irqs.h instead of asm/irq.h
  ARM: sa11x0: remove unused DMA controller definitions
  ARM: sa11x0: remove old SoC private DMA driver
  USB: sa1111: add hcd .reset method
  USB: sa1111: add OHCI shutdown methods
  USB: sa1111: reorganize ohci-sa1111.c
  USB: sa1111: get rid of nasty printk(KERN_DEBUG "%s: ...", __FILE__)
  USB: sa1111: sparse and checkpatch cleanups
  ARM: sa11x0: don't static map sa1111
  ARM: sa1111: use dev_err() rather than printk()
  ARM: sa1111: cleanup sub-device registration and unregistration
  ARM: sa1111: only setup DMA for DMA capable devices
  ARM: sa1111: register sa1111 devices with dmabounce in bus notifier
  ARM: sa1111: move USB interface register definitions to ohci-sa1111.c
  ARM: sa1111: move PCMCIA interface register definitions to sa1111_generic.c
  ARM: sa1111: move PS/2 interface register definitions to sa1111p2.c
  ARM: sa1111: delete unused physical GPIO register definitions
  ...
2012-03-27 18:17:02 -07:00
Philipp Zabel
4823cd388d net/irda: add clk_prepare/clk_unprepare to pxaficp_ir
This patch adds clk_prepare/clk_unprepare calls to the pxaficp_ir
driver by using the helper functions clk_prepare_enable and
clk_disable_unprepare.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Haojian Zhuang <haojian.zhuang@marvell.com>
Cc: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-16 23:11:14 -07:00
Julia Lawall
a997cbb330 drivers/net/irda/{ali-ircc, via-ircc, w83977af-ir}.c: ensure arguments to request_irq and free_irq are compatible
Convert calls to free_irq so that the second argument is the same as the
last argument of the corresponding call to request_irq.  Without this
property, free_irq does nothing.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-11 15:41:18 -07:00
Russell King
d138dacb4b NET: sa11x0-ir: add DMA support for SIR transmit mode
As the DMA engine API allows DMA channels to be reconfigured on the
fly, we can now support switching the DMA channel configuration to
support SIR transmit DMA without needing to claim an additional
physical DMA channel - thereby using up half the DMA channels just
for one driver.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-07 11:46:19 +00:00
Russell King
bf95154ff6 NET: sa11x0-ir: convert sa11x0-ir driver to use DMA engine API
Convert the sa11x0 IrDA driver to use the sa11x0 DMA engine driver
rather than our own platform specific DMA API.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-07 11:46:17 +00:00
Russell King
3c500a3554 NET: sa11x0-ir: split si->dev for IrDA transmit and receive buffers
The sa11x0-ir device is not the device which is doing the DMA, the
DMA is being performed by a separate DMA engine.  Split the struct
device associated with each DMA channel from the main struct device,
but for the time being initialize it from the main struct device.

This is another preparatory step to converting this driver to use the
DMA engine API.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09 15:37:57 +00:00
Russell King
04b7fc4dec NET: sa11x0-ir: fix size of SIR transmit buffer
The SIR transmit buffer was being allocated as 4000 bytes.  IrDA now
has constants for the buffer sizes, and defines the maximum wrapped
SIR packet to be 4269 bytes as indicated by IRDA_SIR_MAX_FRAME.  Use
this definition to allocate the transmit buffer instead.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09 15:37:57 +00:00
Russell King
32273f5060 NET: sa11x0-ir: convert to use scatterlist DMA API
Convert the sa11x0 IrDA driver to use the scatterlist DMA API.  This
is a preparatory patch for converting the driver to use the DMA engine
API, which requires a struct scatterlist for every transfer.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09 15:37:57 +00:00
Russell King
6a7f4911a4 NET: sa11x0-ir: get rid of si->hscr0
si->hscr0 is initialized to zero, and never changed.  Get rid of this
redundant variable.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09 15:37:56 +00:00
Russell King
26f2bee1a3 NET: sa11x0-ir: move sa1100_irda_txdma_irq
Move the FIR DMA transmit completion function along-side the other FIR
protocol functions.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09 15:37:56 +00:00
Russell King
a6b2ea66d6 NET: sa11x0-ir: move SIR and FIR interrupt support
Move the interrupt handlers to the SIR and FIR sections of the file.
This improves the localization of the protocol handlers.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09 15:37:56 +00:00
Russell King
374f77390c NET: sa11x0-ir: indirect handling of SIR and FIR interrupts
Use the same method for doing this as we do for the tx_start functions.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09 15:37:56 +00:00
Russell King
3d26db137a NET: sa11x0-ir: split SIR and FIR tx functions
Split the SIR and FIR transmit functions, as they behave differently.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09 15:37:55 +00:00
Russell King
0e888ee315 NET: sa11x0-ir: factor out speed checks
Whenever we complete a transmit, we always check for a speed change.
This check was open coded in several places.  Provide a helper
function to do this instead.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09 15:37:55 +00:00
Russell King
cbe1d24fb7 NET: sa11x0-ir: move sa1100_irda_{startup,shutdown,suspend,resume}
Places these functions in better locations in the file, near where
they are used.  This saves some tiresome paging up/down.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09 15:37:54 +00:00
Russell King
ba84525bd9 NET: sa11x0-ir: fix leak of tx skb
Ensure that we unmap and free a pending transmit skb when the interface
is stopped.  We rearrange the code a little bit to give all places a
similar layout when freeing the skb in both the completion and interface
stop paths - this gives some consistency to the code.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09 15:37:53 +00:00
Russell King
885767ca4c NET: sa11x0-ir: containerize DMA data
Both the transmit and receive DMA store identical data: the skb, dma
address, and the dma registers.  Move this data into its own data
structure.  The following replacements were used:

	rxskb -> dma_rx.skb
	rxbuf_dma -> dma_rx.dma
	rxdma -> dma_rx.regs

	txskb -> dma_tx.skb
	txbuf_dma -> dma_tx.dma
	txdma -> dma_tx.regs

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09 15:37:53 +00:00
Russell King
e556fdbde3 NET: sa11x0-ir: obtain interrupt number from platform resources
Convert the sa11x0-ir driver to obtain its interrupt number from the
platform device resources, rather than via the asm/irq.h include.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09 15:37:53 +00:00
Russell King
d32386086b NET: sa11x0-ir: set netdev's parent struct device
Add the missing SET_NETDEV_DEV() call to set the parent device
correctly for this network interface.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09 15:37:52 +00:00
Russell King
22f0bf96de NET: sa11x0-ir: handle DMA mapping errors properly
Handle DMA mapping errors in the rx skb allocation and tx paths.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09 15:37:52 +00:00
Russell King
15877e9c8a NET: sa11x0-ir: fix documentation bug
Spell the module parameter correctly in comments.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09 15:37:52 +00:00
Joe Perches
e404decb0f drivers/net: Remove unnecessary k.alloc/v.alloc OOM messages
alloc failures use dump_stack so emitting an additional
out-of-memory message is an unnecessary duplication.

Remove the allocation failure messages.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-31 16:20:21 -05:00
Linus Torvalds
4964e0664c Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (119 commits)
  MIPS: Delete unused function add_temporary_entry.
  MIPS: Set default pci cache line size.
  MIPS: Flush huge TLB
  MIPS: Octeon: Remove SYS_SUPPORTS_HIGHMEM.
  MIPS: Octeon: Add support for OCTEON II PCIe
  MIPS: Octeon: Update PCI Latency timer and enable more error reporting.
  MIPS: Alchemy: Update cpu-feature-overrides
  MIPS: Alchemy: db1200: Improve PB1200 detection.
  MIPS: Alchemy: merge Au1000 and Au1300-style IRQ controller code.
  MIPS: Alchemy: chain IRQ controllers to MIPS IRQ controller
  MIPS: Alchemy: irq: register pm at irq init time
  MIPS: Alchemy: Touchscreen support on DB1100
  MIPS: Alchemy: Hook up IrDA on DB1000/DB1100
  net/irda: convert au1k_ir to platform driver.
  MIPS: Alchemy: remove unused board headers
  MTD: nand: make au1550nd.c a platform_driver
  MIPS: Netlogic: Mark Netlogic chips as SMT capable
  MIPS: Netlogic: Add support for XLP 3XX cores
  MIPS: Netlogic: Merge some of XLR/XLP wakup code
  MIPS: Netlogic: Add default XLP config.
  ...

Fix up trivial conflicts in arch/mips/kernel/{perf_event_mipsxx.c,
traps.c} and drivers/tty/serial/Makefile
2012-01-14 13:05:21 -08:00
Linus Torvalds
98793265b4 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (53 commits)
  Kconfig: acpi: Fix typo in comment.
  misc latin1 to utf8 conversions
  devres: Fix a typo in devm_kfree comment
  btrfs: free-space-cache.c: remove extra semicolon.
  fat: Spelling s/obsolate/obsolete/g
  SCSI, pmcraid: Fix spelling error in a pmcraid_err() call
  tools/power turbostat: update fields in manpage
  mac80211: drop spelling fix
  types.h: fix comment spelling for 'architectures'
  typo fixes: aera -> area, exntension -> extension
  devices.txt: Fix typo of 'VMware'.
  sis900: Fix enum typo 'sis900_rx_bufer_status'
  decompress_bunzip2: remove invalid vi modeline
  treewide: Fix comment and string typo 'bufer'
  hyper-v: Update MAINTAINERS
  treewide: Fix typos in various parts of the kernel, and fix some comments.
  clockevents: drop unknown Kconfig symbol GENERIC_CLOCKEVENTS_MIGR
  gpio: Kconfig: drop unknown symbol 'CS5535_GPIO'
  leds: Kconfig: Fix typo 'D2NET_V2'
  sound: Kconfig: drop unknown symbol ARCH_CLPS7500
  ...

Fix up trivial conflicts in arch/powerpc/platforms/40x/Kconfig (some new
kconfig additions, close to removed commented-out old ones)
2012-01-08 13:21:22 -08:00
Linus Torvalds
eb59c505f8 Merge branch 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
* 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (76 commits)
  PM / Hibernate: Implement compat_ioctl for /dev/snapshot
  PM / Freezer: fix return value of freezable_schedule_timeout_killable()
  PM / shmobile: Allow the A4R domain to be turned off at run time
  PM / input / touchscreen: Make st1232 use device PM QoS constraints
  PM / QoS: Introduce dev_pm_qos_add_ancestor_request()
  PM / shmobile: Remove the stay_on flag from SH7372's PM domains
  PM / shmobile: Don't include SH7372's INTCS in syscore suspend/resume
  PM / shmobile: Add support for the sh7372 A4S power domain / sleep mode
  PM: Drop generic_subsys_pm_ops
  PM / Sleep: Remove forward-only callbacks from AMBA bus type
  PM / Sleep: Remove forward-only callbacks from platform bus type
  PM: Run the driver callback directly if the subsystem one is not there
  PM / Sleep: Make pm_op() and pm_noirq_op() return callback pointers
  PM/Devfreq: Add Exynos4-bus device DVFS driver for Exynos4210/4212/4412.
  PM / Sleep: Merge internal functions in generic_ops.c
  PM / Sleep: Simplify generic system suspend callbacks
  PM / Hibernate: Remove deprecated hibernation snapshot ioctls
  PM / Sleep: Fix freezer failures due to racy usermodehelper_is_disabled()
  ARM: S3C64XX: Implement basic power domain support
  PM / shmobile: Use common always on power domain governor
  ...

Fix up trivial conflict in fs/xfs/xfs_buf.c due to removal of unused
XBT_FORCE_SLEEP bit
2012-01-08 13:10:57 -08:00
Linus Torvalds
7affca3537 Merge branch 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
* 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (73 commits)
  arm: fix up some samsung merge sysdev conversion problems
  firmware: Fix an oops on reading fw_priv->fw in sysfs loading file
  Drivers:hv: Fix a bug in vmbus_driver_unregister()
  driver core: remove __must_check from device_create_file
  debugfs: add missing #ifdef HAS_IOMEM
  arm: time.h: remove device.h #include
  driver-core: remove sysdev.h usage.
  clockevents: remove sysdev.h
  arm: convert sysdev_class to a regular subsystem
  arm: leds: convert sysdev_class to a regular subsystem
  kobject: remove kset_find_obj_hinted()
  m86k: gpio - convert sysdev_class to a regular subsystem
  mips: txx9_sram - convert sysdev_class to a regular subsystem
  mips: 7segled - convert sysdev_class to a regular subsystem
  sh: dma - convert sysdev_class to a regular subsystem
  sh: intc - convert sysdev_class to a regular subsystem
  power: suspend - convert sysdev_class to a regular subsystem
  power: qe_ic - convert sysdev_class to a regular subsystem
  power: cmm - convert sysdev_class to a regular subsystem
  s390: time - convert sysdev_class to a regular subsystem
  ...

Fix up conflicts with 'struct sysdev' removal from various platform
drivers that got changed:
 - arch/arm/mach-exynos/cpu.c
 - arch/arm/mach-exynos/irq-eint.c
 - arch/arm/mach-s3c64xx/common.c
 - arch/arm/mach-s3c64xx/cpu.c
 - arch/arm/mach-s5p64x0/cpu.c
 - arch/arm/mach-s5pv210/common.c
 - arch/arm/plat-samsung/include/plat/cpu.h
 - arch/powerpc/kernel/sysfs.c
and fix up cpu_is_hotpluggable() as per Greg in include/linux/cpu.h
2012-01-07 12:03:30 -08:00
Rusty Russell
eb93992207 module_param: make bool parameters really bool (net & drivers/net)
module_param(bool) used to counter-intuitively take an int.  In
fddd5201 (mid-2009) we allowed bool or int/unsigned int using a messy
trick.

It's time to remove the int/unsigned int option.  For this version
it'll simply give a warning, but it'll break next kernel version.

(Thanks to Joe Perches for suggesting coccinelle for 0/1 -> true/false).

Cc: "David S. Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-19 22:27:29 -05:00
Manuel Lauss
cd671c16f0 net/irda: convert au1k_ir to platform driver.
Moderate driver cleanup:
convert to platform driver, get rid of board-specific code.

Driver loads and runs on a DB1100 board.  But since I have no other
IrDA hardware to exchange data with I can't say whether it really sends
and receives.

Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
Cc: Samuel Ortiz <samuel@sortiz.org>
Cc: netdev@vger.kernel.org
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2877/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2011-12-08 10:42:15 +00:00
Manuel Lauss
f59c811f8c MIPS: Alchemy: one kernel for DB1000/DB1500/DB1100
These 3 boards are very similar; with this patch a single kernel image
which runs on all three can be built.

Tested on DB1500 and DB1100.

Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2872/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2011-12-07 22:02:07 +00:00
Manuel Lauss
3f724080a3 MIPS: Alchemy: remove PB1000 support
Noone seems to have test hardware or care anymore.  Drop PB1000 support
and along with it the old Alchemy PCMCIA socket driver.

Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
To: linux-mips@linux-mips.org
Cc: netdev@vger.kernel.org
Cc: linux-pcmcia@lists.infradead.org
Patchwork: https://patchwork.linux-mips.org/patch/2881/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2011-12-07 22:02:05 +00:00
Justin P. Mattock
42b2aa86c6 treewide: Fix typos in various parts of the kernel, and fix some comments.
The below patch fixes some typos in various parts of the kernel, as well as fixes some comments.
Please let me know if I missed anything, and I will try to get it changed and resent.

Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-12-02 14:57:31 +01:00