linux-stable.git/drivers/misc/mei, branch linux-3.19.y

mei: make device disabled on stop unconditionally

2015-03-18T13:10:59+00:00

commit 6c15a8516b8118eb19a59fd0bd22df41b9101c32 upstream.

Set the internal device state to to disabled after hardware reset in stop flow.
This will cover cases when driver was not brought to disabled state because of
an error and in stop flow we wish not to retry the reset.

Signed-off-by: Alexander Usyskin 
Signed-off-by: Tomas Winkler 
Signed-off-by: Greg Kroah-Hartman

mei: me: release hw from reset only during the reset flow

2015-03-06T22:57:33+00:00

commit 663b7ee9517eec6deea9a48c7a1392a9a34f7809 upstream.

We might enter the interrupt handler with hw_ready already set,
but prior we actually started the reset flow.
To soleve this we move the reset release from the interrupt handler
to the HW start wait function which is part of the reset sequence.

Signed-off-by: Alexander Usyskin 
Signed-off-by: Tomas Winkler 
Signed-off-by: Greg Kroah-Hartman

mei: mask interrupt set bit on clean reset bit

2015-03-06T22:57:33+00:00

commit 1ab1e79b9fd4b01331490bbe2e630a0fc0b25449 upstream.

We should mask interrupt set bit when writing back
hcsr value in reset bit clean-up.

This is refinement for
mei: clean reset bit before reset
commit b13a65ef190e488e2761d65bdd2e1fe8a3a125f5

Signed-off-by: Alexander Usyskin 
Signed-off-by: Tomas Winkler 
Signed-off-by: Greg Kroah-Hartman

mei: clean reset bit before reset

2015-01-09T22:53:13+00:00

H_RST bit in H_CSR register may be found lit before reset is started,
for example if preceding reset flow hasn't completed.
In that case asserting H_RST will be ignored, therefore we need to clean
H_RST bit to start a successful reset sequence.

Cc:  #3.10+
Signed-off-by: Alexander Usyskin 
Signed-off-by: Tomas Winkler 
Signed-off-by: Greg Kroah-Hartman

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

2014-12-15T00:43:47+00:00

Pull char/misc driver updates from Greg KH:
 "Here's the big char/misc driver update for 3.19-rc1

  Lots of little things all over the place in different drivers, and a
  new subsystem, "coresight" has been added.  Full details are in the
  shortlog"

* tag 'char-misc-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (73 commits)
  parport: parport_pc, do not remove parent devices early
  spmi: Remove shutdown/suspend/resume kernel-doc
  carma-fpga-program: drop videobuf dependency
  carma-fpga: drop videobuf dependency
  carma-fpga-program.c: fix compile errors
  i8k: Fix temperature bug handling in i8k_get_temp()
  cxl: Name interrupts in /proc/interrupt
  CXL: Return error to PSL if IRQ demultiplexing fails & print clearer warning
  coresight-replicator: remove .owner field for driver
  coresight: fixed comments in coresight.h
  coresight: fix typo in comment in coresight-priv.h
  coresight: bindings for coresight drivers
  coresight: Adding ABI documentation
  w1: support auto-load of w1_bq27000 module.
  w1: avoid potential u16 overflow
  cn: verify msg->len before making callback
  mei: export fw status registers through sysfs
  mei: read and print all six FW status registers
  mei: txe: add cherrytrail device id
  mei: kill cached host and me csr values
  ...

misc / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM

2014-12-05T01:56:02+00:00

After commit b2b49ccbdd54 (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is
selected) PM_RUNTIME is always set if PM is set, so #ifdef blocks
depending on CONFIG_PM_RUNTIME may now be changed to depend on
CONFIG_PM.

Replace CONFIG_PM_RUNTIME with CONFIG_PM everywhere under
drivers/misc/.

Signed-off-by: Rafael J. Wysocki 
Acked-by: Greg Kroah-Hartman

mei: export fw status registers through sysfs

2014-11-27T03:06:41+00:00

The interface is for applications that monitor
the fw health.

We use device_create_with_groups interface
to register attribute with the mei class device

Signed-off-by: Tomas Winkler 
Signed-off-by: Greg Kroah-Hartman

mei: read and print all six FW status registers

2014-11-27T03:06:41+00:00

ME devices prior to PCH8 (Lynx Point) have two FW status registers,
on PCH8 and newer excluding txe there are six FW status registers.

Signed-off-by: Alexander Usyskin 
Signed-off-by: Tomas Winkler 
Signed-off-by: Greg Kroah-Hartman

mei: txe: add cherrytrail device id

2014-11-27T03:06:41+00:00

Signed-off-by: Tomas Winkler 
Signed-off-by: Greg Kroah-Hartman

mei: kill cached host and me csr values

2014-11-27T03:06:41+00:00

Kill host_hw_status and me_hw_state from me hw structure that used
to cache host and me csr values.
We do not use the cached values across the function calls anymore

Signed-off-by: Tomas Winkler 
Signed-off-by: Alexander Usyskin 
Signed-off-by: Greg Kroah-Hartman