[PATCH 00/32 v2] staging: gasket: sundry fixes and fixups

[Todd Poynor]

From: Todd Poynor <toddpoynor@xxxxxxxxxx>

Various fixes mainly from the chromium review of the gasket and apex
drivers.  More to come.

Various (32):
  staging: gasket: remove X86 Kconfig restriction
  staging: gasket: fix typo in apex_enter_reset
  staging: gasket: fix typo in gasket_core.h comments
  staging: gasket: whitespace fix in gasket_page_table_init
  staging: gasket: remove driver registration on class creation failure
  staging: gasket: hold mutex on gasket driver unregistration
  staging: gasket: Return EBUSY on mapping create when already in use
  staging: gasket: Remove stale pointers on error allocating attr array
  staging: gasket: convert gasket_mmap_has_permissions to bool return
  staging: gasket: fix gasket_wait_with_reschedule timeout return code
  staging: gasket: gasket_wait_with_reschedule use msleep
  staging: gasket: gasket_wait_with_reschedule return when condition hit
  staging: gasket: gasket_wait_with_reschedule use 32 bits of retry
    count
  staging: gasket: bail out of reset sequence on device callback error
  staging: gasket: drop gasket_cdev_get_info, use container_of
  staging: gasket: always allow root open for write
  staging: gasket: annotate ioctl arg with __user
  staging: gasket: gasket_enable_dev remove unnecessary variable
  staging: gasket: remove code for no physical device
  staging: gasket: fix class create bug handling
  staging: gasket: remove unnecessary code in coherent allocator
  staging: gasket: don't treat no device reset callback as an error
  staging: gasket: gasket_mmap return error instead of valid BAR index
  staging: gasket: apex_clock_gating simplify logic, reduce indentation
  staging: gasket: apex_ioctl_check_permissions use bool return type
  staging: gasket: gasket page table functions use bool return type
  staging: gasket: remove else clause after return in if clause
  staging: gasket: fix comment syntax in apex.h
  staging: gasket: remove unnecessary parens in page table code
  staging: gasket: gasket_mmap use PAGE_MASK
  staging: gasket: remove extra parens in gasket_write_mappable_regions
  staging: gasket: fix multi-line comment syntax in gasket_core.h

 drivers/staging/gasket/Kconfig             |   2 +-
 drivers/staging/gasket/apex.h              |   7 +-
 drivers/staging/gasket/apex_driver.c       |  79 ++++++++--------
 drivers/staging/gasket/gasket_core.c       | 105 +++++++++------------
 drivers/staging/gasket/gasket_core.h       |  11 ++-
 drivers/staging/gasket/gasket_ioctl.c      |  91 +++++++++---------
 drivers/staging/gasket/gasket_ioctl.h      |   4 +-
 drivers/staging/gasket/gasket_page_table.c |  67 +++++++------
 drivers/staging/gasket/gasket_page_table.h |   8 +-
 drivers/staging/gasket/gasket_sysfs.c      |   4 +-
 10 files changed, 177 insertions(+), 201 deletions(-)

-- 
2.18.0.203.gfac676dfb9-goog

Patches changed from version 1:
  staging: gasket: typo and whitespace cleanups
     Split into new separate patches:
        staging: gasket: whitespace fix in gasket_page_table_init
        staging: gasket: fix typo in gasket_core.h comments
        staging: gasket: fix typo in apex_enter_reset
  staging: gasket: device registration error and unregister fixups
     Split into new separate patches:
        staging: gasket: remove driver registration on class creation failure
	staging: gasket: hold mutex on gasket driver unregistration
  staging: gasket: sysfs mapping creation fixups
     Split into new separate patches:
        staging: gasket: Return EBUSY on mapping create when already in use
        staging: gasket: Remove stale pointers on error allocating attr array
  staging: gasket: gasket_wait_with_reschedule fixups
     Split into new separate patches:
        staging: gasket: fix gasket_wait_with_reschedule timeout return code
	staging: gasket: gasket_wait_with_reschedule use msleep
	staging: gasket: gasket_wait_with_reschedule return when condition hit
  staging: gasket: gasket_open use container_of()
      Replaced by new patch:
        staging: gasket: drop gasket_cdev_get_info, use container_of
  staging: gasket: always allow root open for write
     Add Reviewed-by from Dmitry Torokhov.
  staging: gasket: gasket_enable_dev fixups
     Split into new separate patches:
        staging: gasket: gasket_enable_dev remove unnecessary variable
	staging: gasket: remove code for no physical device
  staging: gasket: fix class create bug handling
     Add Reviewed-by from Dmitry Torokhov.
  staging: gasket: gasket core error handling fixups
     Split into new separate patches:
        staging: gasket: don't treat no device reset callback as an error
	staging: gasket: gasket_mmap return error instead of valid BAR index
  staging: gasket: various cleanups
     Split into new separate patches:
        staging: gasket: apex_clock_gating simplify logic, reduce indentation
	staging: gasket: apex_ioctl_check_permissions use bool return type
	staging: gasket: gasket page table functions use bool return type
	staging: gasket: remove else clause after return in if clause
	staging: gasket: fix comment syntax in apex.h
	staging: gasket: remove unnecessary parens in page table code
	staging: gasket: gasket_mmap use PAGE_MASK
	staging: gasket: remove extra parens in gasket_write_mappable_regions
	staging: gasket: fix multi-line comment syntax in gasket_core.h

Patches dropped from version 1:
  MAINTAINERS: Add maintainer for drivers/staging/gasket
     Need to arrange a positive handoff from existing maintainer, not
     available now.
  staging: gasket: fix deadlock in pci driver unregister path
     Wrapped PCI calls broken, needs a rewrite.
  staging: gasket: don't release coherent mappings
     Not necessary.

Patches unchanged from version 1:
  staging: gasket: remove X86 Kconfig restriction
  staging: gasket: convert gasket_mmap_has_permissions to bool return
  staging: gasket: bail out of reset sequence on device callback error
  staging: gasket: always allow root open for write
  staging: gasket: annotate ioctl arg with __user   
  staging: gasket: remove unnecessary code in coherent allocator