| Commit message (Collapse) | Author | Age | Files | Lines |
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Switch to using the reset framework instead of handcoded reset routines
we used so far.
Reviewed-by: Sekhar Nori <nsekhar@ti.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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The Davinci remoteproc driver does not support error recovery at
present, so mark the corresponding remoteproc flag appropriately
so that the debugfs flag shows the value as 'disabled' by default.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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The format specifier "%p" can leak kernel addresses.
Use "%pK" instead.
Signed-off-by: Loic Pallardy <loic.pallardy@st.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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The format specifier "%p" can leak kernel addresses.
Use "%pK" instead.
This patch proposes changes for remoteproc core only.
Acked-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Loic Pallardy <loic.pallardy@st.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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A new driver got added that depends on QCOM_SMD and fails to link
as built-in with CONFIG_QCOM_SMD=m:
drivers/remoteproc/qcom_common.o: In function `smd_subdev_stop':
qcom_common.c:(.text+0x674): undefined reference to `qcom_smd_unregister_edge'
drivers/remoteproc/qcom_common.o: In function `smd_subdev_start':
qcom_common.c:(.text+0x700): undefined reference to `qcom_smd_register_edge'
We've fixed the same thing several times before, so use the same
dependency here.
Fixes: 3a3d4163e0bf ("remoteproc: qcom: Introduce Hexagon V5 based WCSS driver")
Acked-by: Sricharan R <sricharan@codeaurora.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Unwind the modified table_ptr and restore it to the local copy
upon any subsequent failures in the rproc_start() function. This
keeps the function to remain balanced on failures without the need
to balance any modified variables elsewhere.
While at this, do some minor cleanup of the extra lines between
the failure labels as well.
Signed-off-by: Suman Anna <s-anna@ti.com>
[bjorn: unconditionally set table_ptr to cached_table]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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GCC_MSS_AXIS2 clock is used for disabling boot IMEM (a part of
AP boot up). With Boot IMEM disable now a part TZ/ATF, AXIS2
clock is no longer required post AP boot up and expected to
remain untouched. However if the clock is turned ON after Q6
is brought out of reset and later turned off, it results in
modem hang. When Q6 attempts a power collapse the internal
handshaking to check if AXIS2 is idle never goes through since
it is turned off preventing the RSC from getting triggered,
leaving modem in a funky state. Hence removing AXIS2 clk
enable/disable from the driver.
Reported-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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The new driver only works as built-in code at the moment but fails
with a link error when configured as a loadable module:
WARNING: modpost: missing MODULE_LICENSE() in drivers/remoteproc/qcom_q6v5.o
see include/linux/module.h for more information
ERROR: "qcom_q6v5_init" [drivers/remoteproc/qcom_q6v5_pil.ko] undefined!
ERROR: "qcom_q6v5_wait_for_start" [drivers/remoteproc/qcom_q6v5_pil.ko] undefined!
ERROR: "qcom_q6v5_prepare" [drivers/remoteproc/qcom_q6v5_pil.ko] undefined!
ERROR: "qcom_q6v5_unprepare" [drivers/remoteproc/qcom_q6v5_pil.ko] undefined!
ERROR: "qcom_q6v5_request_stop" [drivers/remoteproc/qcom_q6v5_pil.ko] undefined!
ERROR: "qcom_q6v5_init" [drivers/remoteproc/qcom_adsp_pil.ko] undefined!
ERROR: "qcom_q6v5_wait_for_start" [drivers/remoteproc/qcom_adsp_pil.ko] undefined!
ERROR: "qcom_q6v5_prepare" [drivers/remoteproc/qcom_adsp_pil.ko] undefined!
ERROR: "qcom_q6v5_unprepare" [drivers/remoteproc/qcom_adsp_pil.ko] undefined!
ERROR: "qcom_q6v5_request_stop" [drivers/remoteproc/qcom_adsp_pil.ko] undefined!
This exports the internal symbols as needed and adds the MODULE_LICENSE()
and MODULE_DESCRIPTION() tags. I could not figure out the author, so I
did not add a MODULE_AUTHOR() tag for now.
Fixes: 3b415c8fb263 ("remoteproc: q6v5: Extract common resource handling")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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On rare occasions a subdevice might need to prepare some hardware
resources before a remote processor is booted, and clean up some
state after it has been shut down.
One such example is the IP Accelerator found in various Qualcomm
platforms, which is accessed directly from both the modem remoteproc
and the application subsystem and requires an intricate lockstep
process when bringing the modem up and down.
Tested-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
[elder@linaro.org: minor description and comment edits]
Signed-off-by Alex Elder <elder@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Rename functions used when subdevices are started and stopped to
reflect the new naming scheme.
Tested-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by Alex Elder <elder@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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In preparation of adding the additional prepare and unprepare operations
make the client responsible for filling out the function pointers of the
rproc_subdev. This makes the arguments to rproc_add_subdev() more
manageable, in particular when some of the functions are left out.
Tested-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
[elder@linaro.org: added comment about assigning function pointers]
Signed-off-by Alex Elder <elder@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Some subdevices, such as glink ssr only care about the stop operation,
so make the operations optional to reduce client code.
Tested-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by Alex Elder <elder@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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"start" and "stop" are more suitable names for how these two operations
are used, and they fit better with the upcoming introduction of two
additional operations in the struct.
Tested-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
[elder@linaro.org: minor comment edits]
Signed-off-by Alex Elder <elder@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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IPQ8074 has an integrated Hexagon dsp core q6v5 and a wireless lan
(Lithium) IP. An mdt type single image format is used for the
firmware. So the mdt_load function can be directly used to load
the firmware. Also add the relevant resets required for this core.
Acked-by: Rob Herring <robh@kernel.org> (bindings)
Signed-off-by: Sricharan R <sricharan@codeaurora.org>
[bjorn: Rewrote as a separate driver, intead of extending q6v5_pil.c]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Migrate the MSS remoteproc driver to use the newly extracted helper
functions.
Reviewed-by: Sricharan R <sricharan@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Migrate the Hexagon V5 PAS (ADSP) driver to using the newly extracted
helper functions. The use of the handover callback does introduce latent
disabling of proxy resources. But apart from this there should be no
change in functionality.
Reviewed-by: Rohit kumar <rohitkr@codeaurora.org>
Reviewed-by: Sricharan R <sricharan@codeaurora.org>
Tested-by: Rohit kumar <rohitkr@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Shared between all Hexagon V5 based remoteprocs is the handling of the 5
interrupts and the SMP2P stop request, so break this out into a separate
function in order to allow these drivers to be cleaned up.
Reviewed-by: Rohit kumar <rohitkr@codeaurora.org>
Tested-by: Rohit kumar <rohitkr@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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With PHYS_ADDR_MAX there is now a type safe variant for all bits set.
Make use of it.
Patch created using a semantic patch as follows:
// <smpl>
@@
typedef phys_addr_t;
@@
-(phys_addr_t)ULLONG_MAX
+PHYS_ADDR_MAX
// </smpl>
Link: http://lkml.kernel.org/r/20180419214204.19322-1-stefan@agner.ch
Signed-off-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com> [arm64]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add GLINK subdevice to allow definition of GLINK edge as a
child of modem-pil.
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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From SDM845, the Q6SS reset sequence on software side has been
simplified with the introduction of boot FSM which assists in
bringing the Q6 out of reset.
SDM845 brings a new reset signal ALT_RESET which is a part of
the MSS subsystem hence requires reset clks to be enabled before
assert/deassert. Use the SoC specific reset helper function to
add support for ALT_RESET in SDM845.
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Adding reset assert/deassert helper functions to handle SoC
specific reset sequences. This wil be used by SDM845 to assert and
deassert ALT_RESET and MSS_RESET signals.
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Introduce interrupt handler for smp2p ready interrupt to
handle start completion. Move the proxy votes for clocks
and regulators to the handover interrupt context.
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
[bjorn: Only proxy unvote if handover irq has not fired]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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q6v5_request_irq() was supposed to return the irq number, but ret is
overwritten by the request_irq(), fix this and return the IRQ on
success.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Checkpatch recommends to use octal perms instead of S_IRUGO.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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We're currently switching the platform to using the common clock
framework. We need to explicitly prepare and unprepare the rproc
clock.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: Suman Anna <s-anna@ti.com>
Reviewed-by: David Lechner <david@lechnology.com>
Reviewed-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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The davinci platform is being switched to using the common clock
framework, where clk_enable() can fail. Add the return value check.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: Suman Anna <s-anna@ti.com>
Reviewed-by: David Lechner <david@lechnology.com>
Reviewed-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Pick up fixes from rproc-v4.17-1
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Add missing of_node_put()s at two places for device nodes returned by
of_parse_phandle().
Fixes: 051fb70fd4ea ("remoteproc: qcom: Driver for the self-authenticating
Hexagon v5")
Signed-off-by: Tobias Jordan <Tobias.Jordan@elektrobit.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Fix rproc_add_subdev parameter name and inverse the crashed logic.
Fixes: 880f5b388252 ("remoteproc: Pass type of shutdown to subdev remove")
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Remove dependencies on HAS_DMA where a Kconfig symbol depends on another
symbol that implies HAS_DMA, and, optionally, on "|| COMPILE_TEST".
In most cases this other symbol is an architecture or platform specific
symbol, or PCI.
Generic symbols and drivers without platform dependencies keep their
dependencies on HAS_DMA, to prevent compiling subsystems or drivers that
cannot work anyway.
This simplifies the dependencies, and allows to improve compile-testing.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Any failure in the secure call for transferring mem ownership of mba
region to Q6 would result in reporting that the remoteproc device
is running. This is because the previous q6v5_clk_enable would have
been a success. Prevent this by updating variable 'ret' accordingly.
Cc: stable@vger.kernel.org
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Currently calling list_del on smd subdev remove path results in
null pointer dereference on glink only platforms. Fix this by
adding safety checks in glink/smd subdev remove paths.
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Access to the socket API and the root network namespace is only available
when networking is enabled:
ERROR: "kernel_sendmsg" [drivers/soc/qcom/qmi_helpers.ko] undefined!
ERROR: "sock_release" [drivers/soc/qcom/qmi_helpers.ko] undefined!
ERROR: "sock_create_kern" [drivers/soc/qcom/qmi_helpers.ko] undefined!
ERROR: "kernel_getsockname" [drivers/soc/qcom/qmi_helpers.ko] undefined!
ERROR: "init_net" [drivers/soc/qcom/qmi_helpers.ko] undefined!
ERROR: "kernel_recvmsg" [drivers/soc/qcom/qmi_helpers.ko] undefined!
Adding a dependency on CONFIG_NET lets us build it in all randconfig
builds.
Fixes: 9b8a11e82615 ("soc: qcom: Introduce QMI encoder/decoder")
Acked-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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We can return directly at the beginning of the function and save the 'err'
label.
We can also explicitly return 0 when the probe succeed.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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'imx_rproc_probe()'
Avoid some code ducplication and be more future-proof.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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If 'of_device_get_match_data()' fails, we must undo the previous
'rproc_alloc()' call.
Fixes: a0ff4aa6f010 ("remoteproc: imx_rproc: add a NXP/Freescale imx_rproc driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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The sysmon client communicates either via a dedicated SMD/GLINK channel
or via QMI encoded messages over IPCROUTER with remote processors in
order to perform graceful shutdown and inform about other remote
processors shutting down.
Acked-By: Chris Lew <clew@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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remoteproc instances can be stopped either by invoking shutdown or by an
attempt to recover from a crash. For some subdev types it's expected to
clean up gracefully during a shutdown, but are unable to do so during a
crash - so pass this information to the subdev remove functions.
Acked-By: Chris Lew <clew@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Register MDT segments with the remoteproc core dump functionality in
order to include them in a core dump, in case of a recovery of the remote
processor.
Signed-off-by: Sarangdhar Joshi <spjoshi@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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In order to implement support for grabbing core dumps in remoteproc it's
necessary to know the relocated base of the image, as the offsets from
the virtual memory base might not be based on the physical address.
Return the adjusted physical base address to the caller.
Acked-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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The resource table is just one possible source of information that can
be extracted from the firmware file. Generalize this interface to allow
drivers to override this with parsers of other types of information.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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As the remoteproc framework restarts the remote processor after a fatal
event, it's useful to be able to acquire a coredump of the remote
processor's state, for post mortem debugging.
This patch introduces a mechanism for extracting the memory contents
after the remote has stopped and before the restart sequence has begun
in the recovery path. The remoteproc framework builds the core dump in
memory and use devcoredump to expose this to user space.
Signed-off-by: Sarangdhar Joshi <spjoshi@codeaurora.org>
[bjorn: Use vmalloc instead of composing the ELF on the fly]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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remoteproc is writing '\0' in the shared mem region. This
region is shared among multiple clients that are also trying
to read. Hence they miss first character.
Remove this null character write, as this mem area is
supposed to be Read only.
Further during every subsystem reboot, this region is
initialized with default, hence no need to write this
region.
Signed-off-by: Jitendra Sharma <shajit@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Pull remoteproc updates from Bjorn Andersson:
"This contains a few bug fixes and a cleanup up of the resource-table
handling in the framework, which removes the need for drivers with no
resource table to provide a fake one"
* tag 'rproc-v4.16' of git://github.com/andersson/remoteproc:
remoteproc: Reset table_ptr on stop
remoteproc: Drop dangling find_rsc_table dummies
remoteproc: Move resource table load logic to find
remoteproc: Don't handle empty resource table
remoteproc: Merge rproc_ops and rproc_fw_ops
remoteproc: Clone rproc_ops in rproc_alloc()
remoteproc: Cache resource table size
remoteproc: Remove depricated crash completion
virtio_remoteproc: correct put_device virtio_device.dev
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The installed resource table is no longer accessible after stopping the
remote, so update table_ptr to point to the local copy.
Reviewed-By: Loic Pallardy <loic.pallardy@st.com>
Tested-By: Loic Pallardy <loic.pallardy@st.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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As the core now deals with the lack of a resource table, remove the
dangling custom dummy implementations of find_rsc_table from drivers.
Reviewed-By: Loic Pallardy <loic.pallardy@st.com>
Tested-By: Loic Pallardy <loic.pallardy@st.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Extend the previous operation of finding the resource table in the ELF
with the extra step of populating the rproc struct with a copy and the
size. This allows drivers to override the mechanism used for acquiring
the resource table, or omit it for firmware that is known not to have a
resource table.
This leaves the custom, dummy, find_rsc_table implementations found in
some drivers dangling.
Reviewed-By: Loic Pallardy <loic.pallardy@st.com>
Tested-By: Loic Pallardy <loic.pallardy@st.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Allow a NULL table_ptr to have the same meaning as a table with 0
entries, allowing a subsequent patch to skip the assignment step.
A few other places in the implementation does dereference table_ptr, but
they are currently all coming from rproc_handle_resources().
Reviewed-By: Loic Pallardy <loic.pallardy@st.com>
Tested-By: Loic Pallardy <loic.pallardy@st.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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There are currently a few different schemes used for overriding fw_ops
or parts of fw_ops. Merge fw_ops into rproc_ops and expose the default
ELF-loader symbols so that they can be assigned by the drivers.
To keep backwards compatibility with the "default" case, a driver not
specifying the "load" operation is assumed to want the full ELF-loader
suit of functions.
Reviewed-By: Loic Pallardy <loic.pallardy@st.com>
Tested-By: Loic Pallardy <loic.pallardy@st.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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In order to allow rproc_alloc() to, in a future patch, update entries in
the "ops" struct we need to make a local copy of it.
Reviewed-By: Loic Pallardy <loic.pallardy@st.com>
Tested-By: Loic Pallardy <loic.pallardy@st.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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