linux-stable.git/arch/powerpc/sysdev/fsl_rio.c, branch linux-4.9.y

powerpc: migrate exception table users off module.h and onto extable.h

2016-08-22T01:09:33+00:00

These files were only including module.h for exception table
related functions.  We've now separated that content out into its
own file "extable.h" so now move over to that and avoid all the
extra header content in module.h that we don't really need to compile
these files.

Cc: Benjamin Herrenschmidt 
Cc: Paul Mackerras 
Cc: Michael Ellerman 
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Paul Gortmaker 
Signed-off-by: Benjamin Herrenschmidt

powerpc/fsl_rio: fix a missing error code

2016-08-05T00:02:09+00:00

We should set the error code here rather than incorrectly returning 0.
Otherwise static checkers complain.

Link: http://lkml.kernel.org/r/20160804053525.GM775@mwanda
Signed-off-by: Dan Carpenter 
Cc: Benjamin Herrenschmidt 
Cc: Paul Mackerras 
Cc: Michael Ellerman 
Cc: Alexandre Bounine 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

powerpc/fsl_rio: apply changes for RIO spec rev 3

2016-08-02T23:35:38+00:00

 - Remove check for parallel PHY

 - Set LP-Serial Register Map type

[akpm@linux-foundation.org: fix build]
[alexandre.bounine@idt.com: fix build fix]
 Link: http://lkml.kernel.org/r/20160802184932.2755-1-alexandre.bounine@idt.com
Link: http://lkml.kernel.org/r/1469125134-16523-13-git-send-email-alexandre.bounine@idt.com
Signed-off-by: Alexandre Bounine 
Cc: Matt Porter 
Cc: Benjamin Herrenschmidt 
Cc: Michael Ellerman 
Cc: Andre van Herk 
Cc: Barry Wood 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

rapidio: change inbound window size type to u64

2016-08-02T23:35:37+00:00

Current definition of map_inb() mport operations callback uses u32 type
to specify required inbound window (IBW) size.  This is limiting factor
because existing hardware - tsi721 and fsl_rio, both support IBW size up
to 16GB.

Changing type of size parameter to u64 to allow IBW size configurations
larger than 4GB.

[alexandre.bounine@idt.com: remove compiler warning about size of constant]
  Link: http://lkml.kernel.org/r/20160802184856.2566-1-alexandre.bounine@idt.com
Link: http://lkml.kernel.org/r/1469125134-16523-11-git-send-email-alexandre.bounine@idt.com
Signed-off-by: Alexandre Bounine 
Cc: Matt Porter 
Cc: Benjamin Herrenschmidt 
Cc: Michael Ellerman 
Cc: Andre van Herk 
Cc: Barry Wood 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

rapidio: add global inbound port write interfaces

2016-03-22T22:36:02+00:00

Add new Port Write handler registration interfaces that attach PW
handlers to local mport device objects.  This is different from old
interface that attaches PW callback to individual RapidIO device.  The
new interfaces are intended for use for common event handling (e.g.
hot-plug notifications) while the old interface is available for
individual device drivers.

This patch is based on patch proposed by Andre van Herk but preserves
existing per-device interface and adds lock protection for list
handling.

Signed-off-by: Alexandre Bounine 
Cc: Matt Porter 
Cc: Aurelien Jacquiot 
Cc: Andre van Herk 
Cc: Stephen Rothwell 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

powerpc/fsl_rio: changes to mport registration

2016-03-22T22:36:02+00:00

Change mport object initialization/registration sequence to match
reworked version of rio_register_mport() in the core code.

Signed-off-by: Alexandre Bounine 
Cc: Matt Porter 
Cc: Benjamin Herrenschmidt 
Cc: Aurelien Jacquiot 
Cc: Andre van Herk 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

Merge tag 'driver-core-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

2014-12-15T00:10:09+00:00

Pull driver core update from Greg KH:
 "Here's the set of driver core patches for 3.19-rc1.

  They are dominated by the removal of the .owner field in platform
  drivers.  They touch a lot of files, but they are "simple" changes,
  just removing a line in a structure.

  Other than that, a few minor driver core and debugfs changes.  There
  are some ath9k patches coming in through this tree that have been
  acked by the wireless maintainers as they relied on the debugfs
  changes.

  Everything has been in linux-next for a while"

* tag 'driver-core-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (324 commits)
  Revert "ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries"
  fs: debugfs: add forward declaration for struct device type
  firmware class: Deletion of an unnecessary check before the function call "vunmap"
  firmware loader: fix hung task warning dump
  devcoredump: provide a one-way disable function
  device: Add dev__once variants
  ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries
  ath: use seq_file api for ath9k debugfs files
  debugfs: add helper function to create device related seq_file
  drivers/base: cacheinfo: remove noisy error boot message
  Revert "core: platform: add warning if driver has no owner"
  drivers: base: support cpu cache information interface to userspace via sysfs
  drivers: base: add cpu_device_create to support per-cpu devices
  topology: replace custom attribute macros with standard DEVICE_ATTR*
  cpumask: factor out show_cpumap into separate helper function
  driver core: Fix unbalanced device reference in drivers_probe
  driver core: fix race with userland in device_add()
  sysfs/kernfs: make read requests on pre-alloc files use the buffer.
  sysfs/kernfs: allow attributes to request write buffer be pre-allocated.
  fs: sysfs: return EGBIG on write if offset is larger than file size
  ...

powerpc/fsl-rio: add support for mapping inbound windows

2014-11-13T05:56:16+00:00

Add support for mapping and unmapping of inbound rapidio windows.  This
allows for drivers to open up a part of local memory on the rapidio
network.  Also applications can use this and tranfer blocks of data
over the network.

Signed-off-by: Martijn de Gouw 
[scottwood@freescale.com: updated commit message based on review]
Signed-off-by: Scott Wood

powerpc: sysdev: drop owner assignment from platform_drivers

2014-10-20T14:20:13+00:00

A platform_driver does not need to set an owner, it will be populated by the
driver core.

Signed-off-by: Wolfram Sang

powerpc/fsl-rio: Fix fsl_rio_setup error paths and use-after-unmap

2014-05-09T20:49:05+00:00

Several of the error paths from fsl_rio_setup are missing error
messages.

Worse, fsl_rio_setup initializes several global pointers and does not
NULL them out after freeing/unmapping on error.  This caused
fsl_rio_mcheck_exception() to crash when accessing rio_regs_win which
was non-NULL but had been unmapped.

Signed-off-by: Scott Wood 
Cc: Liu Gang 
---
Liu Gang, are you sure all of these error conditions are fatal?  Why
does the rio driver fail if rmu is not present (e.g.  on t4240)?