s/paerser/parser/
s/requeusted/requested/
s/an JOB/a JOB/
Signed-off-by: NTomer Tayar <ttayar@habana.ai>
Reviewed-by: NOded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: NOded Gabbay <oded.gabbay@gmail.com>

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/misc/habanalabs/device.c: In function hpriv_release:
drivers/misc/habanalabs/device.c:45:17: warning: variable ctx set but not used [-Wunused-but-set-variable]

It is never used since commit eb7caf84 ("habanalabs:
maintain a list of file private data objects")
Reported-by: NHulk Robot <hulkci@huawei.com>
Signed-off-by: NYueHaibing <yuehaibing@huawei.com>
Reviewed-by: NOded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: NOded Gabbay <oded.gabbay@gmail.com>

In case the F/W fails to initialize the thermal sensors, print an
appropriate error message to kernel log and fail the device
initialization.
Reviewed-by: NTomer Tayar <ttayar@habana.ai>
Signed-off-by: NOded Gabbay <oded.gabbay@gmail.com>

Adjust indentation from spaces to tab (+optional two spaces) as in
coding style with command like:
	$ sed -e 's/^        /\t/' -i */Kconfig
Signed-off-by: NKrzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20191120134056.14677-1-krzk@kernel.orgSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Export more client attributes via sysfs that are usually obtained
upon connection. In some cases, for example a monitoring application
may wish to know the attributes without actually performing the connection.
Added attributes:
max number of connections, fixed address, max message length.
Signed-off-by: NAlexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: NTomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20191116142136.17535-1-tomas.winkler@intel.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Add support for new chip rts5261.
In order to support rts5261, the definitions of some internal registers
and workflow have to be modified and are different from its predecessors.
So we need this patch to ensure RTS5261 can work.
Signed-off-by: NRui Feng <rui_feng@realsil.com.cn>
Link: https://lore.kernel.org/r/1571645105-5028-1-git-send-email-rui_feng@realsil.com.cnSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

The glitch detection HW (TRC) save it status information into
TRC status register.
Make it available to user-space via read-only sysfs file.
The TRC register is availab for PCH15 gen and newer, for older
platforms reading the sysfs file will fail with EOPNOTSUPP.
Signed-off-by: NAlexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: NTomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20191107104445.19101-1-tomas.winkler@intel.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

This is to allow working with mei devices embedded within
another pci device, where mei device is represented
as a platform child device and fw status registers
are not necessarily resident in the device pci config space.

Bump the copyright year to 2019 on the modified files.
Signed-off-by: NTomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20191106223841.15802-4-tomas.winkler@intel.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Store irq number in hw struct to by used by synchronize_irq().
This is to allow working with mei devices
embedded within another pci devices, via MFD framework,
where mei device is represented as a platform device.

Bump the copyright year to 2019 on hw-me.c and hw-me.h
Signed-off-by: NAlexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: NTomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20191106223841.15802-3-tomas.winkler@intel.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

It's enough to bind mei_device with associated 'struct device' instead
of actual 'struct pci_dev'. This is to allow working with mei devices
embedded within another pci device, usually via MFD framework,
where mei device is represented as a platform device.

Bump copyright year to 2019 on effected files.
Signed-off-by: NTomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20191106223841.15802-2-tomas.winkler@intel.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Comet Point (Comet Lake) V device id.

Cc: <stable@vger.kernel.org>
Signed-off-by: NAlexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: NTomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20191105150514.14010-2-tomas.winkler@intel.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Add parent device name to the name of devices on bus to avoid
device names collisions for same client UUID available
from different MEI heads. Namely this prevents sysfs collision under
/sys/bus/mei/device/

In the device part leave just UUID other parameters that are
required for device matching are not required here and are
just bloating the name.

Cc: <stable@vger.kernel.org>
Signed-off-by: NAlexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: NTomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20191105150514.14010-1-tomas.winkler@intel.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

This patch corrects the SPDX License Identifier style
in header files for Miscellaneous device drivers.
For C header files Documentation/process/license-rules.rst
mandates C-like comments (opposed to C source files where
C++ style should be used)

Changes made by using a script provided by Joe Perches here:
https://lkml.org/lkml/2019/2/7/46.
Suggested-by: NJoe Perches <joe@perches.com>
Signed-off-by: NNishad Kamdar <nishadkamdar@gmail.com>
Link: https://lore.kernel.org/r/20190920155931.GA6251@nishadSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

This patch corrects the SPDX License Identifier style
in header files for Open Coherent Accelerator (OCXL) compatible device
drivers. For C header files Documentation/process/license-rules.rst
mandates C-like comments (opposed to C source files where
C++ style should be used)

Changes made by using a script provided by Joe Perches here:
https://lkml.org/lkml/2019/2/7/46.
Suggested-by: NJoe Perches <joe@perches.com>
Signed-off-by: NNishad Kamdar <nishadkamdar@gmail.com>
Acked-by: NAndrew Donnellan <ajd@linux.ibm.com>
Link: https://lore.kernel.org/r/20190920161826.GA6894@nishadSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

With the integration of the mmap/unmap functionality, it is no longer
necessary to allow large memory allocations upfront since they can be
handled during runtime.

Tested on QCS404 with CDSP Neural Processing test suite.
Signed-off-by: NJorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
Reviewed-by: NSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: NSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20191009144123.24583-6-srinivas.kandagatla@linaro.orgSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Buffers owned by a context that has been interrupted either by a
signal or a timeout might still be being accessed by the DSP.

delegate returning the associated memory to a later time when the
device is released.
Signed-off-by: NJorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
Reviewed-by: NSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: NSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20191009144123.24583-5-srinivas.kandagatla@linaro.orgSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

the DSP firmware requires some calls to be held until processing has
completed: this is to guarantee that memory continues to be
accessible.

Nevertheless, the fastrpc driver chooses not support the case were
requests need to be held for unbounded amounts of time. If such a
use-case becomes necessary, this timeout will need to be revisited.
Signed-off-by: NJorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
Reviewed-by: NSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: NSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20191009144123.24583-4-srinivas.kandagatla@linaro.orgSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Fix a memory leak in miscdev->name by using devm_variant

Orignally reported by kmemleak:
    [<ffffff80088b74d8>] kmemleak_alloc+0x50/0x84
    [<ffffff80081e015c>] __kmalloc_track_caller+0xe8/0x168
    [<ffffff8008371ab0>] kvasprintf+0x78/0x100
    [<ffffff8008371c6c>] kasprintf+0x50/0x74
    [<ffffff8008507f2c>] fastrpc_rpmsg_probe+0xd8/0x20c
    [<ffffff80086b63b4>] rpmsg_dev_probe+0xa8/0x148
    [<ffffff80084de50c>] really_probe+0x208/0x248
    [<ffffff80084de2dc>] driver_probe_device+0x98/0xc0
    [<ffffff80084dec6c>] __device_attach_driver+0x9c/0xac
    [<ffffff80084dca8c>] bus_for_each_drv+0x60/0x8c
    [<ffffff80084de64c>] __device_attach+0x8c/0x100
    [<ffffff80084de6e0>] device_initial_probe+0x20/0x28
    [<ffffff80084dcbd0>] bus_probe_device+0x34/0x7c
    [<ffffff80084da32c>] device_add+0x420/0x498
    [<ffffff80084da680>] device_register+0x24/0x2c
Signed-off-by: NSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: NBjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20191009144123.24583-3-srinivas.kandagatla@linaro.orgSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Support the allocation/deallocation of buffers mapped to the DSP.

When the memory mapped to the DSP at process creation is not enough,
the fastrpc library can extend it at runtime. This avoids having to do
large preallocations by default.
Signed-off-by: NJorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
Reviewed-by: NSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: NSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20191009144123.24583-2-srinivas.kandagatla@linaro.orgSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

The "comment" Kconfig lines for the Intel MIC drivers are
redundant, and nowhere else do we use this kind of Kconfig
style, so remove them.
Signed-off-by: NRandy Dunlap <rdunlap@infradead.org>
Cc: Sudeep Dutt <sudeep.dutt@intel.com>
Cc: Ashutosh Dixit <ashutosh.dixit@intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/3aa90a0f-1576-d38b-8382-6ed623ed5466@infradead.orgSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

rts5260_card_power_on do not need local variable to store different value,
Hence just remove it.
Signed-off-by: Nzhong jiang <zhongjiang@huawei.com>
Link: https://lore.kernel.org/r/1568307841-44065-1-git-send-email-zhongjiang@huawei.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Now that instances of input_dev support polling mode natively,
we no longer need to create input_polled_dev instance.
Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
Link: https://lore.kernel.org/r/20191002215658.GA134561@dtor-wsSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Use seq_puts and simple string output and not seq_printf with formats
and individual strings to reduce overall object size.

$ size drivers/misc/sgi-gru/gruprocfs.o* (x86-64 defconfig with gru)
   text	   data	    bss	    dec	    hex	filename
   7006	      8	      0	   7014	   1b66	drivers/misc/sgi-gru/gruprocfs.o.new
   7472	      8	      0	   7480	   1d38	drivers/misc/sgi-gru/gruprocfs.o.old
Signed-off-by: NJoe Perches <joe@perches.com>
Acked-by: NDimitri Sivanich <sivanich@hpe.com>
Link: https://lore.kernel.org/r/cce61906a5f7f42f5b2b8b947fc61357bcb56e71.camel@perches.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.
Signed-off-by: NYueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20191009143752.11236-1-yuehaibing@huawei.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Signed-off-by: NAlexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: NTomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20191008005735.12707-2-tomas.winkler@intel.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

In fastrpc_dma_buf_attach if dma_get_sgtable fails the allocated memory
for a should be released.
Signed-off-by: NNavid Emamdoost <navid.emamdoost@gmail.com>
Link: https://lore.kernel.org/r/20190925152742.16258-1-navid.emamdoost@gmail.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Deprecating the driver in Kconfig is one thing, but we also need to
let the users themselves know. Log a warning each time a device is
bound to the deprecated eeprom driver.
Signed-off-by: NJean Delvare <jdelvare@suse.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20191002104844.1dc4d8f3@endymionSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Drop 'running hook' debug messages, as this info
can be already retrieved via ftrace.
Signed-off-by: NTomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20191004182659.2933-1-tomas.winkler@intel.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

The fixed MKHI client on PCH 6 gen platforms
does not support fw version retrieval.
The error is not fatal, but it fills up the kernel logs and
slows down the driver start.
This patch disables requesting FW version on GEN6 and earlier platforms.

Fixes warning:
[   15.964298] mei mei::55213584-9a29-4916-badf-0fb7ed682aeb:01: Could not read FW version
[   15.964301] mei mei::55213584-9a29-4916-badf-0fb7ed682aeb:01: version command failed -5

Cc: <stable@vger.kernel.org> +v4.18
Cc: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: NAlexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: NTomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20191004181722.31374-1-tomas.winkler@intel.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Add Comet Point devices IDs for Comet Lake U platforms.

Cc: <stable@vger.kernel.org>
Signed-off-by: NTomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20191001235958.19979-1-tomas.winkler@intel.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

st_tty_open do not need local variable to store different value,
Hence just remove it.
Signed-off-by: Nzhong jiang <zhongjiang@huawei.com>
Link: https://lore.kernel.org/r/1568307147-43468-1-git-send-email-zhongjiang@huawei.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

PTR_ERR_OR_ZERO contains if(IS_ERR(...)) + PTR_ERR. It is better to
use it directly. hence just replace it.
Signed-off-by: Nzhong jiang <zhongjiang@huawei.com>
Link: https://lore.kernel.org/r/1567665795-5901-3-git-send-email-zhongjiang@huawei.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

When using the macro le32_to_cpu(x), we need to correctly convert x to be
__le32 in case it is defined as u32 variable.
Signed-off-by: NOded Gabbay <oded.gabbay@gmail.com>
Reviewed-by: NTomer Tayar <ttayar@habana.ai>

If the initialization of a device failed, the driver prints an error
message with the id of the device. The device index on the file system is
that id divided by 2.
Signed-off-by: NOded Gabbay <oded.gabbay@gmail.com>
Reviewed-by: NOmer Shpigelman <oshpigelman@habana.ai>

We want to stop using the acronym KMD. Therefore, replace all locations
(except for register names we can't modify) where KMD is written to other
terms such as "Linux kernel driver" or "Host kernel driver", etc.
Signed-off-by: NOded Gabbay <oded.gabbay@gmail.com>
Reviewed-by: NOmer Shpigelman <oshpigelman@habana.ai>

To allow the user to use a custom file for the HWMON lm-sensors library
per card type, the driver needs to register the HWMON sensors with the
specific card type name.

The card name is supplied by the F/W running on the device. If the F/W is
old and doesn't supply a card name, a default card name is displayed as
the sensors group name.
Signed-off-by: NOded Gabbay <oded.gabbay@gmail.com>
Reviewed-by: NOmer Shpigelman <oshpigelman@habana.ai>

Add a new opcode to INFO IOCTL to retrieve aggregate H/W events. i.e. the
events counters are NOT cleared upon device reset, but count from the
loading of the driver.

Add the code to support it in the device event handling function.
Signed-off-by: NOded Gabbay <oded.gabbay@gmail.com>
Reviewed-by: NOmer Shpigelman <oshpigelman@habana.ai>

Users and sysadmins usually want to know what is the device utilization as
a level 0 indication if they are efficiently using the device.

Add a new opcode to the INFO IOCTL that will return the device utilization
over the last period of 100-1000ms. The return value is 0-100,
representing as percentage the total utilization rate.
Signed-off-by: NOded Gabbay <oded.gabbay@gmail.com>
Reviewed-by: NOmer Shpigelman <oshpigelman@habana.ai>

The Coresight timestamp is enabled for a specific debug session using
the HL_DEBUG_OP_TIMESTAMP opcode of the debug IOCTL.
In order to have a perpetual timestamp that would be comparable between
various debug sessions, this patch moves the timestamp enablement to be
part of the HW initialization.
The HL_DEBUG_OP_TIMESTAMP opcode turns to be deprecated and shouldn't be
used. Old user-space that will call it won't see any change in the
behavior of the debug session.
Signed-off-by: NTomer Tayar <ttayar@habana.ai>
Reviewed-by: NOded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: NOded Gabbay <oded.gabbay@gmail.com>

Now that we don't print the queue testing messages, we need to print when
the reset is finished so whoever looks at the kernel log will know the
reset process was finished successfully and the driver is not stuck.
Signed-off-by: NOded Gabbay <oded.gabbay@gmail.com>
Reviewed-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>