linux-toradex.git/include/linux/remoteproc.h, branch v4.9.16

remoteproc: Split driver and consumer dereferencing

2016-10-03T05:50:21+00:00

In order to be able to lock a rproc driver implementations only when
used by a client, we must differ between the dereference operation of a
client and the implementation itself.

This patch brings no functional change.

Signed-off-by: Bjorn Andersson

remoteproc: core: transform struct fw_rsc_vdev_vring reserved field in pa

2016-09-06T18:06:40+00:00

In current implementation, struct fw_rsc_vdev_vring which describes
vring resource in firmware resource table owns only device address,
because it assumes that host is responsible of vring allocation and
only device address is needed by coprocessor.
But if vrings need to be fixed in system memory map for any reasons
(security, SoC charactieristics...), physical address is needed exatly
identified the memory chunck by host.

For that let's transform reserved field of struct fw_rsc_vdev_vring
to pa (physical address).

Signed-off-by: Loic Pallardy 
Signed-off-by: Bjorn Andersson

remoteproc: Modify FW_RSC_ADDR_ANY definition

2016-09-06T18:06:21+00:00

Replace 0xFFFFFFFFFFFFFFFF by -1 to fit any type.

Signed-off-by: Loic Pallardy 
Signed-off-by: Bjorn Andersson

remoteproc: Move handling of cached table to boot/shutdown

2016-08-18T06:20:51+00:00

As we moved the vdev handling to the main boot/shutdown code path we can
further simplify the resource table handling by moving the parsing spet
to boot as well. The lifespan of the resource table is changed to live
from rproc_boot() to rproc_shutdown().

Cc: Lee Jones 
Cc: Loic Pallardy 
Signed-off-by: Bjorn Andersson

remoteproc: Introduce auto-boot flag

2016-08-18T06:17:42+00:00

Introduce an "auto-boot" flag on rprocs to make it possible to flag
remote processors without vdevs to automatically boot once the firmware
is found.

Preserve previous behavior of the wkup_m3 processor being explicitly
booted by a consumer.

Cc: Lee Jones 
Cc: Loic Pallardy 
Cc: Suman Anna 
Signed-off-by: Bjorn Andersson

remoteproc: align code with open parenthesis

2016-08-13T04:27:49+00:00

This patch fixes the existing alignment checkpatch check
warnings of the type "Alignment should match open parenthesis"
in the remoteproc core source files.

Signed-off-by: Suman Anna 
Signed-off-by: Bjorn Andersson

remoteproc: fix bare unsigned type usage

2016-08-13T04:27:48+00:00

While there is nothing wrong with defining an unsigned integer
variable or argument using the bare unsigned type, it is better
to use the checkpatch preferred 'unsigned int' type.

Signed-off-by: Suman Anna 
Signed-off-by: Bjorn Andersson

remoteproc: Add additional crash reasons

2016-05-12T22:50:19+00:00

The Qualcomm WCNSS can crash by watchdog or a fatal software error. Add
these types to the list of remoteproc crash reasons.

Signed-off-by: Bjorn Andersson 
Signed-off-by: Bjorn Andersson

remoteproc: add a rproc ops for performing address translation

2015-06-17T06:57:12+00:00

The rproc_da_to_va API is currently used to perform any device to
kernel address translations to meet the different needs of the remoteproc
core/drivers (eg: loading). The functionality is achieved within the
remoteproc core, and is limited only for carveouts allocated within the
core.

A new rproc ops, da_to_va, is added to provide flexibility to platform
implementations to perform the address translation themselves when the
above conditions cannot be met by the implementations. The rproc_da_to_va()
API is extended to invoke this ops if present, and fallback to regular
processing if the platform implementation cannot provide the translation.
This will allow any remoteproc implementations to translate addresses for
dedicated memories like internal memories.

While at this, also update the rproc_da_to_va() documentation since it
is an exported function.

Signed-off-by: Suman Anna 
Signed-off-by: Dave Gerlach 
Signed-off-by: Ohad Ben-Cohen

remoteproc: introduce rproc_get_by_phandle API

2015-06-16T18:12:52+00:00

Allow users of remoteproc the ability to get a handle to an rproc by
passing a phandle supplied in the user's device tree node. This is
useful in situations that require manual booting of the rproc.

This patch uses the code removed by commit 40e575b1d0b3 ("remoteproc:
remove the get_by_name/put API") for the ref counting but is modified
to use a simple list and locking mechanism and has rproc_get_by_name
replaced with an rproc_get_by_phandle API.

Signed-off-by: Dave Gerlach 
Signed-off-by: Suman Anna 
[fix order of Signed-off-by tags]
Signed-off-by: Ohad Ben-Cohen