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Pull mailbox updates from Jussi Brar:
"New driver and DT bindings for MHU controller integrated on Amlogic
Meson platform"
* 'mailbox-for-next' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
dt-bindings: mailbox: Add Amlogic Meson MHU Bindings
mailbox: Add Platform Message-Handling-Unit variant driver
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* acpi-x86:
x86: ACPI: make variable names clearer in acpi_parse_madt_lapic_entries()
x86: ACPI: remove extraneous white space after semicolon
* acpi-cppc:
ACPI / CPPC: Support PCC with interrupt flag
ACPI / CPPC: Add prefix cppc to cpudata structure name
ACPI / CPPC: Add support for functional fixed hardware address
ACPI / CPPC: Don't return on CPPC probe failure
ACPI / CPPC: Allow build with ACPI_CPU_FREQ_PSS config
ACPI / CPPC: check for error bit in PCC status field
ACPI / CPPC: move all PCC related information into pcc_data
ACPI / CPPC: add sysfs support to compute delivered performance
ACPI / CPPC: set a non-zero value for transition_latency
ACPI / CPPC: support for batching CPPC requests
ACPI / CPPC: acquire pcc_lock only while accessing PCC subspace
ACPI / CPPC: restructure read/writes for efficient sys mapped reg ops
mailbox: pcc: Support HW-Reduced Communication Subspace type 2
* acpi-soc:
ACPI / APD: constify local structures
ACPI / APD: Add device HID for Vulcan SPI controller
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Add Message-Handling-Unit driver for platform variants as mailbox controller.
Actually, only the Amlogic Meson GXBB SoC MHU is supported.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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ACPI 6.1 has a PCC HW-Reduced Communication Subspace type 2 intended for
use on HW-Reduce ACPI Platform, which requires read-modify-write sequence
to acknowledge doorbell interrupt. This patch provides the implementation
for the Communication Subspace Type 2.
Signed-off-by: Hoan Tran <hotran@apm.com>
Reviewed-by: Prashanth Prakash <pprakash@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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We get 2 warnings when biuld kernel with W=1:
drivers/mailbox/bcm-pdc-mailbox.c:472:6: warning: no previous prototype for 'pdc_setup_debugfs' [-Wmissing-prototypes]
drivers/mailbox/bcm-pdc-mailbox.c:488:6: warning: no previous prototype for 'pdc_free_debugfs' [-Wmissing-prototypes]
In fact, these functions are only used in the file in which they are
declared and don't need a declaration, but can be made static.
so this patch marks these functions with 'static'.
Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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We can't pass NULL pointers to pdc_ring_free() so I moved the check for
NULL.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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Add HAS_DMA Kconfig dependency to BCM_PDC_MBOX to avoid link
error on some platforms.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Rob Rice <rrice@broadcom.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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Fix format and type mismatches in a couple debug prints in the
Broadcom PDC driver. Use %pad for dma_addr_t and %pa for
resource_size_t.
Signed-off-by: Rob Rice <rob.rice@broadcom.com>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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The Broadcom PDC mailbox driver is a mailbox controller that
manages data transfers to and from one or more offload engines.
Signed-off-by: Rob Rice <rob.rice@broadcom.com>
Reviewed-by: Scott Branden <scott.branden@broadcom.com>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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The use of __raw IO accesors is not endian safe and should be used
sparingly. The relaxed variants should be as lightweight and also
are endian safe.
Note, this has not been run-time tested.
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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tdev->signal is not set NULL after it's freed. This will cause random
exceptions when the stale pointer is accessed after tdev->signal is
freed. Also, since tdev->signal allocation is skipped the next time
it's written, this leads to continuous fault finally leading to the
total death of the system.
Fixes: d1c2f87c9a8f ("mailbox: mailbox-test: Prevent memory leak")
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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devm_ioremap_resource returns an ERR_PTR value, not NULL,
on failure.
The Coccinelle semantic patch used to make this change is
as follows:
@@
expression e,e1;
statement S;
@@
*e = devm_ioremap_resource(...);
if (!e1) S
Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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The omap_mbox_save_ctx() and omap_mbox_restore_ctx() API were
previously provided to OMAP mailbox clients to save and restore
the mailbox context during system suspend/resume. The save and
restore functionality is now implemented through System PM driver
callbacks, and there is no need for these functions, so kill these
API.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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The OMAP mailbox driver is used by clients to communicate with remote
processors in general. The mailbox clients are expected to have stopped
communicating with these remote processors during a system suspend. The
OMAP mailbox fifos are expected to not have any messages as such. Add a
check for any pending unprocessed messages in the suspend callback, to
detect any communication protocol issues of the mailbox clients. The
system suspend is aborted if any messages are found.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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Support has been added to the OMAP mailbox driver to allow it
to work across a system suspend/resume. The OMAP mailbox driver
requires only the interrupt configuration registers to be saved
and restored, and this is done in the suspend/resume callbacks.
The registers need to be saved only if there are active clients
at the time of suspend. The enabling and disabling of the mailbox
clocks is done automatically by the omap_device layer.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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The interrupt type used for identifying the layout of the interrupt
configuration registers between OMAP4+ SoCs and older SoCs is stored
only in the sub-mailbox structures for easier access. Store this type
in the the omap_mbox_device structure as well along with the other
global variables. This is being done to facilitate the context save
and restore of appropriate registers during system suspend/resume.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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Fix couple of checkpatch warnings of the type,
"WARNING: Missing a blank line after declarations"
Also, fixed a warning about a space after a typecast
while at this.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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Remove the paragraph about writing to the Free Software
Foundation's mailing address from the GPL license header
as this address can change. This fixes the corresponding
checkpatch warning.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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Fix the code formatting to use the kernel preferred style
of using the actual variables to determize the size using
the sizeof() operator. This fixes the corresponding checkpatch
warning as well.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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OMAP mailbox devices can no longer be created in legacy non-DT
mode, all the relevant code has been cleaned up. The OMAP mailbox
driver will only support devices created from DT going forward,
so drop the legacy platform device support from the driver.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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Pull mailbox fixes from Jussi Brar:
"Misc fixes:
mailbox-test driver:
- prevent memory leak and another cosmetic change
mailbox:
- change the returned error code
Xgene driver:
- return -ENOMEM instead of PTR_ERR for failed devm_kzalloc"
* 'mailbox-devel' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
mailbox: Stop using ENOSYS for anything other than unimplemented syscalls
mailbox: mailbox-test: Prevent memory leak
mailbox: mailbox-test: Use more consistent format for calling copy_from_user()
mailbox: xgene-slimpro: Fix wrong test for devm_kzalloc
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In accordance with e15f431fe2d5 ("errno.h: Improve ENOSYS's comment") and
91c9afaf97ee ("checkpatch.pl: new instances of ENOSYS are errors") we're
converting from the old meaning of: ENOSYS "Function not implemented" to
a more standard EINVAL.
Reported-by: Seraphin Bonnaffe <seraphin.bonnaffe@st.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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If we set the Signal twice or more, without using it as part of a message,
memory will be re-allocated and the pointer over-written. Prevent this
potential leak by only allocating memory when there isn't any already.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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While we're at it, ensure copy-to location is NULL'ed in the error path.
Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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* pm-cpufreq:
cpufreq: dt: Drop stale comment
cpufreq: intel_pstate: Documenation for structures
cpufreq: intel_pstate: fix inconsistency in setting policy limits
intel_pstate: Avoid extra invocation of intel_pstate_sample()
intel_pstate: Do not set utilization update hook too early
* pm-cpuidle:
intel_idle: Add KBL support
intel_idle: Add SKX support
intel_idle: Clean up all registered devices on exit.
intel_idle: Propagate hot plug errors.
intel_idle: Don't overreact to a cpuidle registration failure.
intel_idle: Setup the timer broadcast only on successful driver load.
intel_idle: Avoid a double free of the per-CPU data.
intel_idle: Fix dangling registration on error path.
intel_idle: Fix deallocation order on the driver exit path.
intel_idle: Remove redundant initialization calls.
intel_idle: Fix a helper function's return value.
intel_idle: remove useless return from void function.
* acpi-cppc:
mailbox: pcc: Don't access an unmapped memory address space
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devm_kzalloc() returns NULL on failure.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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The acpi_pcc_probe() may end up accessing memory outside of the PCCT
table space causing the kernel panic(). Increment the pcct_entry
pointer after parsing 'HW-reduced Communications Subspace' to fix
the problem. This change also enables the parsing of subtable at
index 0.
Signed-off-by: Shanker Donthineni <shankerd@codeaurora.org>
Acked-by: Ashwin Chaugule <ashwin.chaugule@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Pull more mailbox updates from Jassi Brar:
"Device tree bindings and driver for TI's Message-Manager controller.
Due to some last minute cosmetic changes, the driver was not included
in the first pull request, otherwise the driver has been reviewed
twice"
* 'mailbox-for-next' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
mailbox: Introduce TI message manager driver
Documentation: dt: mailbox: Add TI Message Manager
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Support for TI Message Manager Module. This hardware block manages a
bunch of hardware queues meant for communication between processor
entities.
Clients sitting on top of this would manage the required protocol
for communicating with the counterpart entities.
For more details on TI Message Manager hardware block, see documentation
that will is available here: http://www.ti.com/lit/ug/spruhy8/spruhy8.pdf
Chapter 8.1(Message Manager)
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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Pull mailbox updates from Jassi Brar:
- mailbox bindings and drivers for
* APM X-Gene
* Hisilicon Hi6220
* Rockchip RK3368
platforms
- minor fixes to the above three drivers.
- misc cleanups of mailbox-test driver.
* 'mailbox-for-next' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
mailbox: rockchip: avoid 64-bit division
mailbox: rockchip: Add Rockchip mailbox driver
dt-bindings: rockchip-mailbox: Add mailbox controller document on Rockchip SoCs
mailbox/xgene-slimpro: Checking for IS_ERR instead of NULL
mailbox: Hi6220: add mailbox driver
dt-bindings: mailbox: Document Hi6220 mailbox driver
mailbox: mailbox-test: add support for separate tx/rx buffer with single channel
mailbox: mailbox-test: use print_hex_dump_bytes to allow dynamic printk
mailbox: mailbox-test: fix the compatible string
mailbox: mailbox-test: rename driver as generic test driver
Documentation: mailbox: Add APM X-Gene SLIMpro mailbox dts documentation
mailbox: Add support for APM X-Gene platform mailbox driver
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The newly added rockchip mailbox driver causes a bug in
the ARM allyesconfig build because of a division of a resource_size_t
variable that may be 64 bit wide:
drivers/mailbox/built-in.o: In function `rockchip_mbox_probe':
:(.text+0x6614): undefined reference to `__aeabi_uldivmod'
This adds a cast to size_t, which turns it into a 32-bit division
in this case. This is safe because we know that we cannot possibly
map a resource that is longer than what a pointer contains, and
in practice it will be very short instead.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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* acpi-processor:
ACPI / sleep: move acpi_processor_sleep to sleep.c
ACPI / processor : add support for ACPI0010 processor container
ACPI / processor_idle: replace PREFIX with pr_fmt
* acpi-cppc:
ACPI / CPPC: use MRTT/MPAR to decide if/when a req can be sent
ACPI / CPPC: replace writeX/readX to PCC with relaxed version
mailbox: pcc: optimized pcc_send_data
ACPI / CPPC: optimized cpc_read and cpc_write
ACPI / CPPC: Optimize PCC Read Write operations
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This driver is found on RK3368 SoCs.
The Mailbox module is a simple APB peripheral that allows both
the Cortex-A53 MCU system to communicate by writing operation to
generate interrupt.
The registers are accessible by both CPU via APB interface.
The Mailbox has the following main features:
1) Support dual-core system: Cortex-A53 and MCU.
2) Support APB interface.
3) Support four mailbox elements, each element includes one data word,
one command word register and one flag bit that can represent
one interrupt.
4) Four interrupts to Cortex-A53.
5) Four interrupts to MCU.
6) Provide 32 lock registers for software to use to indicate whether
mailbox is occupied.
[Jassi: Removed unused variable buf_base]
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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pcc_send_data() can be invoked during the execution of performance
critical code as in cppc_cpufreq driver. With acpi_* APIs, the
doorbell register accessed in pcc_send_data() if present in system
memory will be searched (in cached virt to phys addr mapping),
mapped, read/written and then unmapped. These operations take
significant amount of time.
This patch maps the performance critical doorbell register
during init and then reads/writes to it directly using the
mapped virtual address. This patch + similar changes to CPPC
acpi driver reduce the time per freq. transition from around
200us to about 20us for the CPPC cpufreq driver
Signed-off-by: Prashanth Prakash <pprakash@codeaurora.org>
Acked-by: Ashwin Chaugule <ashwin.chaugule@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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devm_ioremap() returns NULL, it never returns an ERR_PTR.
Fixes: f700e84f417b ('mailbox: Add support for APM X-Gene platform mailbox driver')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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Add driver for Hi6220 mailbox, the mailbox communicates with MCU; for
sending data, it can support two methods for low level implementation:
one is to use interrupt as acknowledge, another is automatic mode which
without any acknowledge. These two methods have been supported in the
driver. For receiving data, it will depend on the interrupt to notify
the channel has incoming message.
Now mailbox driver is used to send message to MCU to control dynamic
voltage and frequency scaling for CPU, GPU and DDR.
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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This patch adds support for different MMIO region for Tx and Rx paths.
If only one region is specified, it's assumed to be shared between Rx
and Tx, thereby retaining backward compatibility.
Also in order to support single channel dealing with both Tx and Rx with
dedicated MMIO regions, Tx channel itself is assigned to Rx if MMIO
regions are different and Rx is not specified.
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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Reduce the logging from info to debug. Also use print_hex_dump_bytes
instead as it has support for dynamic printk providing options to
conditionally enable/disable these logs.
Cc: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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Underscores are usually forbidden in the compatible strings. So lets
remove it before the first users of this is seen.
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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This mailbox-test driver was designed to be generic, so let's remove ST
tag on it and make it generic.
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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X-Gene mailbox controller provides 8 mailbox channels, with
each channel has a dedicated interrupt line.
Signed-off-by: Feng Kan <fkan@apm.com>
Signed-off-by: Duc Dang <dhdang@apm.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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Not every arch has io memory.
So, unbreak the build by fixing the dependencies.
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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This patch fixes the calculation of pcc_chan for non-zero id.
After the compiler ignores the (unsigned long) cast the
pcc_mbox_channels pointer is type-cast and then the type-cast
offset is added which results in address outside of the range
leading to the kernel crashing.
We might add braces and make it:
pcc_chan = (struct mbox_chan *)
((unsigned long) pcc_mbox_channels +
(id * sizeof(*pcc_chan)));
but let's go with array approach here and use id as index.
Tested on Juno board.
Signed-off-by: Alexey Klimov <alexey.klimov@arm.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Ashwin Chaugule <ashwin.chaugule@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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This mbox_chan_ops structure is never modified, so declare it as const,
like all the other mbox_chan_ops structures.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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Don't pass mmio region as source to print_hex_dump() and then
again to memcpy_fromio(). Do it once and give print_hex_dump()
the buffer we just read the data in.
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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We need to leave space for the NUL char.
Fixes: 8ea4484d0c2b ('mailbox: Add generic mechanism for testing Mailbox Controllers')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
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The mailbox framework controls the transmission queue and requires
either its controller implementations or clients to run the state
machine for the Tx queue. The OMAP mailbox controller uses a Tx-ready
interrupt as the equivalent of a Tx-done interrupt to run this Tx
queue state-machine.
The WkupM3 processor on AM33xx and AM43xx SoCs is used to offload
certain PM tasks, like doing the necessary operations for Device
PM suspend/resume or for entering lower c-states during cpuidle.
The CPUIdle on AM33xx requires the messages to be sent without
having to trigger the Tx-ready interrupts, as the interrupt
would immediately terminate the CPUIdle operation. Support for
this has been added by introducing a DT quirk, "ti,mbox-send-noirq"
and using it to modify the normal OMAP mailbox controller behavior
on the sub-mailboxes used to communicate with the WkupM3 remote
processor. This also requires the wkup_m3_ipc driver to adjust
its mailbox usage logic to run the Tx state machine.
NOTE:
- AM43xx does not communicate with WkupM3 for CPU Idle, so is
not affected by this behavior. But, it uses the same IPC driver
for PM suspend/resume functionality, so requires the quirk as
well, because of changes to the common wkup_m3_ipc driver.
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
[s-anna@ti.com: revise logic and update comments/patch description]
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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Kbuild test robot reported some Sparse warnings to the tune of:
sparse: incorrect type in argument 6 (different address spaces)
expected void const *buf
got void [noderef] <asn:2>*mmio
This was due to passing variables tagged with the Sparse cookie
'__iomem' through into memcpy() and print_hex_dump() without
adequate protection or casting. These issues were fixed in a
previous patch suppressing the warnings, but the issue is indeed
still present.
This patch fixes the warnings in the correct way, i.e. by using
the purposely authored memcpy_{from,to}io() derivatives in the
memcpy() case and casting the memory address to (void *) and
forcing Sparse to ignore to ignore it in the print_hex_dump()
case [NB: This is also what the memcpy() derivatives do].
Reported-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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This patch deals with a few spelling, white space and type
warnings reported by Intel's Kbuild Test Robot.
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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This particular Client implementation uses shared memory in order
to pass messages between Mailbox users; however, it can be easily
hacked to support any type of Controller.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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Linus Torvalds
Rafael J. Wysocki
Neil Armstrong
hotran
Baoyou Xie
Dan Carpenter
Rob Rice
Ben Dooks
Sudeep Holla
Amitoj Kaur Chawla
Suman Anna
Lee Jones
Axel Lin
Shanker Donthineni
Nishanth Menon
Arnd Bergmann
Caesar Wang
Prakash, Prashanth
Leo Yan
Duc Dang
Richard Weinberger
Alexey Klimov
Julia Lawall
Jassi Brar
Dave Gerlach