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git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc
Pull remoteproc updates from Bjorn Andersson:
"This introduces device managed versions of functions used to register
remoteproc devices, add support for remoteproc driver specific
resource control, enables remoteproc drivers to specify ELF class and
machine for coredumps. It integrates pm_runtime in the core for
keeping resources active while the remote is booted and holds a wake
source while recoverying a remote processor after a firmware crash.
It refactors the remoteproc device's allocation path to simplify the
logic, fix a few cleanup bugs and to not clone const strings onto the
heap. Debugfs code is simplifies using the DEFINE_SHOW_ATTRIBUTE and a
zero-length array is replaced with flexible-array.
A new remoteproc driver for the JZ47xx VPU is introduced, the Qualcomm
SM8250 gains support for audio, compute and sensor remoteprocs and the
Qualcomm SC7180 modem support is cleaned up and improved.
The Qualcomm glink subsystem-restart driver is merged into the main
glink driver, the Qualcomm sysmon driver is extended to properly
notify remote processors about all other remote processors' state
transitions"
* tag 'rproc-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc: (43 commits)
remoteproc: Fix an error code in devm_rproc_alloc()
MAINTAINERS: Add myself as reviewer for Ingenic rproc driver
remoteproc: ingenic: Added remoteproc driver
remoteproc: Add support for runtime PM
dt-bindings: Document JZ47xx VPU auxiliary processor
remoteproc: wcss: Fix arguments passed to qcom_add_glink_subdev()
remoteproc: Fix and restore the parenting hierarchy for vdev
remoteproc: Fall back to using parent memory pool if no dedicated available
remoteproc: Replace zero-length array with flexible-array
remoteproc: wcss: add support for rpmsg communication
remoteproc: core: Prevent system suspend during remoteproc recovery
remoteproc: qcom_q6v5_mss: Remove unused q6v5_da_to_va function
remoteproc: qcom_q6v5_mss: map/unmap mpss segments before/after use
remoteproc: qcom_q6v5_mss: Drop accesses to MPSS PERPH register space
dt-bindings: remoteproc: qcom: Replace halt-nav with spare-regs
remoteproc: qcom: pas: Add SM8250 PAS remoteprocs
dt-bindings: remoteproc: qcom: pas: Add SM8250 remoteprocs
remoteproc: qcom_q6v5_mss: Extract mba/mpss from memory-region
dt-bindings: remoteproc: qcom: Use memory-region to reference memory
remoteproc: qcom: pas: Add SC7180 Modem support
...
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sizeof() when applied to a pointer typed expression gives the
size of the pointer, not that of the pointed data.
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Fixes: 63c13d61eafe ("remoteproc/mediatek: add SCP support for mt8183")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20200509084237.36293-1-weiyongjun1@huawei.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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dma_addr_t and phys_addr_t are distinct types and must not be
mixed, as both the values and the size of the type may be
different depending on what the remote device uses.
In this driver the compiler warns when the two types are different:
drivers/remoteproc/mtk_scp.c: In function 'scp_map_memory_region':
drivers/remoteproc/mtk_scp.c:454:9: error: passing argument 3 of 'dma_alloc_coherent' from incompatible pointer type [-Werror=incompatible-pointer-types]
454 | &scp->phys_addr, GFP_KERNEL);
| ^~~~~~~~~~~~~~~
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| phys_addr_t * {aka unsigned int *}
In file included from drivers/remoteproc/mtk_scp.c:7:
include/linux/dma-mapping.h:642:15: note: expected 'dma_addr_t *' {aka 'long long unsigned int *'} but argument is of type 'phys_addr_t *' {aka 'unsigned int *'}
642 | dma_addr_t *dma_handle, gfp_t gfp)
Change the phys_addr member to be typed and named according
to how it is allocated.
Fixes: 63c13d61eafe ("remoteproc/mediatek: add SCP support for mt8183")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20200408155450.2186471-1-arnd@arndb.de
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Clang errors:
drivers/remoteproc/mtk_scp.c:364:14: error: incompatible function
pointer types initializing 'void *(*)(struct rproc *, u64, size_t)' (aka
'void *(*)(struct rproc *, unsigned long long, unsigned int)') with an
expression of type 'void *(struct rproc *, u64, int)' (aka 'void
*(struct rproc *, unsigned long long, int)')
[-Werror,-Wincompatible-function-pointer-types]
.da_to_va = scp_da_to_va,
^~~~~~~~~~~~
1 error generated.
Make the same change as commit 0fcbb369f052 ("remoteproc: Use size_t
type for len in da_to_va"), which was not updated for the acceptance of
commit 63c13d61eafe ("remoteproc/mediatek: add SCP support for mt8183").
Fixes: 0fcbb369f052 ("remoteproc: Use size_t type for len in da_to_va")
Link: https://github.com/ClangBuiltLinux/linux/issues/927
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Link: https://lore.kernel.org/r/20200310211514.32288-1-natechancellor@gmail.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Add a simple rpmsg support for mt8183 SCP, that use IPI / IPC directly.
Signed-off-by: Pi-Hsun Shih <pihsun@chromium.org>
Link: https://lore.kernel.org/r/20191112110330.179649-4-pihsun@chromium.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Provide a basic driver to control Cortex M4 co-processor
Signed-off-by: Erin Lo <erin.lo@mediatek.com>
Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Signed-off-by: Pi-Hsun Shih <pihsun@chromium.org>
Link: https://lore.kernel.org/r/20191112110330.179649-3-pihsun@chromium.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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