linux-stable.git/drivers/remoteproc, branch linux-5.14.y

remoteproc: imx_rproc: Fix rsc-table name

2021-11-17T10:04:48+00:00

commit e90547d59d4e29e269e22aa6ce590ed0b41207d2 upstream.

Usually the dash '-'  is preferred in node name.
So far, not dts in upstream kernel, so we just update node name
in driver.

Cc: Bjorn Andersson 
Cc: Mathieu Poirier 
Fixes: 5e4c1243071d ("remoteproc: imx_rproc: support remote cores booted before Linux Kernel")
Reviewed-and-tested-by: Peng Fan 
Signed-off-by: Dong Aisheng 
Signed-off-by: Peng Fan 
Cc: stable 
Link: https://lore.kernel.org/r/20210910090621.3073540-6-peng.fan@oss.nxp.com
Signed-off-by: Mathieu Poirier 
Signed-off-by: Bjorn Andersson 
Signed-off-by: Greg Kroah-Hartman

remoteproc: imx_rproc: Fix ignoring mapping vdev regions

2021-11-17T10:04:48+00:00

commit afe670e23af91d8a74a8d7049f6e0984bbf6ea11 upstream.

vdev regions are typically named vdev0buffer, vdev0ring0, vdev0ring1 and
etc. Change to strncmp to cover them all.

Fixes: 8f2d8961640f ("remoteproc: imx_rproc: ignore mapping vdev regions")
Reviewed-and-tested-by: Peng Fan 
Signed-off-by: Dong Aisheng 
Signed-off-by: Peng Fan 
Cc: stable 
Link: https://lore.kernel.org/r/20210910090621.3073540-5-peng.fan@oss.nxp.com
Signed-off-by: Mathieu Poirier 
Signed-off-by: Bjorn Andersson 
Signed-off-by: Greg Kroah-Hartman

remoteproc: Fix the wrong default value of is_iomem

2021-11-17T10:04:48+00:00

commit 970675f61bf5761d7e5326f6e4df995ecdba5e11 upstream.

Currently the is_iomem is a random value in the stack which may
be default to true even on those platforms that not use iomem to
store firmware.

Cc: Bjorn Andersson 
Cc: Mathieu Poirier 
Fixes: 40df0a91b2a5 ("remoteproc: add is_iomem to da_to_va")
Reviewed-and-tested-by: Peng Fan 
Signed-off-by: Dong Aisheng 
Signed-off-by: Peng Fan 
Cc: stable 
Link: https://lore.kernel.org/r/20210910090621.3073540-3-peng.fan@oss.nxp.com
Signed-off-by: Mathieu Poirier 
Signed-off-by: Bjorn Andersson 
Signed-off-by: Greg Kroah-Hartman

remoteproc: elf_loader: Fix loading segment when is_iomem true

2021-11-17T10:04:48+00:00

commit 24acbd9dc934f5d9418a736c532d3970a272063e upstream.

It seems luckliy work on i.MX platform, but it is wrong.
Need use memcpy_toio, not memcpy_fromio.

Fixes: 40df0a91b2a5 ("remoteproc: add is_iomem to da_to_va")
Tested-by: Dong Aisheng  (i.MX8MQ)
Reported-by: kernel test robot 
Reported-by: Dong Aisheng 
Signed-off-by: Peng Fan 
Cc: stable 
Link: https://lore.kernel.org/r/20210910090621.3073540-2-peng.fan@oss.nxp.com
Signed-off-by: Mathieu Poirier 
Signed-off-by: Bjorn Andersson 
Signed-off-by: Greg Kroah-Hartman

remoteproc: Fix a memory leak in an error handling path in 'rproc_handle_vdev()'

2021-11-17T10:04:34+00:00

[ Upstream commit 0374a4ea7269645c46c3eb288526ea072fa19e79 ]

If 'copy_dma_range_map() fails, the memory allocated for 'rvdev' will leak.
Move the 'copy_dma_range_map()' call after the device registration so
that 'rproc_rvdev_release()' can be called to free some resources.

Also, branch to the error handling path if 'copy_dma_range_map()' instead
of a direct return to avoid some other leaks.

Fixes: e0d072782c73 ("dma-mapping: introduce DMA range map, supplanting dma_pfn_offset")
Signed-off-by: Christophe JAILLET 
Reviewed-by: Jim Quinlan 
Reviewed-by: Mathieu Poirier 
Signed-off-by: Bjorn Andersson 
Link: https://lore.kernel.org/r/e6d0dad6620da4fdf847faa903f79b735d35f262.1630755377.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Sasha Levin

remoteproc: imx_rproc: Fix TCM io memory type

2021-11-17T10:04:32+00:00

[ Upstream commit 91bb26637353f35241f5472eedf3202ebe13e2e5 ]

is_iomem was introduced in the commit 40df0a91b2a5 ("remoteproc: add
is_iomem to da_to_va"), but the driver seemed missed to provide the io
type correctly.
This patch updates remoteproc driver to indicate the TCM on IMX are io
memories. Without the change, remoteproc kick will fail.

Cc: Bjorn Andersson 
Cc: Mathieu Poirier 
Cc: Peng Fan 
Reviewed-and-tested-by: Peng Fan 
Fixes: 79806d32d5aa ("remoteproc: imx_rproc: support i.MX8MN/P")
Signed-off-by: Dong Aisheng 
Signed-off-by: Peng Fan 
stable 
Link: https://lore.kernel.org/r/20210910090621.3073540-4-peng.fan@oss.nxp.com
Signed-off-by: Mathieu Poirier 
Signed-off-by: Bjorn Andersson 
Signed-off-by: Sasha Levin

remoteproc: qcom: wcnss: Fix race with iris probe

2021-09-22T10:39:24+00:00

[ Upstream commit 1fcef985c8bdd542c43da0d87bd9d51980c3859b ]

The remoteproc driver is split between the responsibilities of getting
the SoC-internal ARM core up and running and the external RF (aka
"Iris") part configured.

In order to satisfy the regulator framework's need of a struct device *
to look up supplies this was implemented as two different drivers, using
of_platform_populate() in the remoteproc part to probe the iris part.

Unfortunately it's possible that the iris part probe defers on yet not
available regulators and an attempt to start the remoteproc will have to
be rejected, until this has been resolved. But there's no useful
mechanism of knowing when this would be.

Instead replace the of_platform_populate() and the iris probe with a
function that rolls its own struct device, with the relevant of_node
associated that is enough to acquire regulators and clocks specified in
the DT node and that may propagate the EPROBE_DEFER back to the wcnss
device's probe.

Acked-by: Mathieu Poirier 
Reported-by: Anibal Limon 
Reported-by: Loic Poulain 
Tested-by: Anibal Limon 
Link: https://lore.kernel.org/r/20210312002251.3273013-1-bjorn.andersson@linaro.org
Signed-off-by: Bjorn Andersson 
Signed-off-by: Sasha Levin

Merge tag 'rproc-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc

2021-07-07T17:50:03+00:00

Pull remoteproc updates from Bjorn Andersson:
 "This adds support for controlling the PRU and R5F clusters on the TI
  AM64x, the remote processor in i.MX7ULP, i.MX8MN/P and i.MX8ULP NXP
  and the audio, compute and modem remoteprocs in the Qualcomm SC8180x
  platform.

  It fixes improper ordering of cdev and device creation of the
  remoteproc control interface and it fixes resource leaks in the error
  handling path of rproc_add() and the Qualcomm modem and wifi
  remoteproc drivers.

  Lastly it fixes a few build warnings and replace the dummy parameter
  passed in the mailbox api of the stm32 driver to something not living
  on the stack"

* tag 'rproc-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc: (32 commits)
  remoteproc: qcom: pas: Add SC8180X adsp, cdsp and mpss
  dt-bindings: remoteproc: qcom: pas: Add SC8180X adsp, cdsp and mpss
  remoteproc: imx_rproc: support i.MX8ULP
  dt-bindings: remoteproc: imx_rproc: support i.MX8ULP
  remoteproc: stm32: fix mbox_send_message call
  remoteproc: core: Cleanup device in case of failure
  remoteproc: core: Fix cdev remove and rproc del
  remoteproc: core: Move validate before device add
  remoteproc: core: Move cdev add before device add
  remoteproc: pru: Add support for various PRU cores on K3 AM64x SoCs
  dt-bindings: remoteproc: pru: Update bindings for K3 AM64x SoCs
  remoteproc: qcom_wcnss: Use devm_qcom_smem_state_get()
  remoteproc: qcom_q6v5: Use devm_qcom_smem_state_get() to fix missing put()
  soc: qcom: smem_state: Add devm_qcom_smem_state_get()
  dt-bindings: remoteproc: qcom: pas: Fix indentation warnings
  remoteproc: imx-rproc: Fix IMX_REMOTEPROC configuration
  remoteproc: imx_rproc: support i.MX8MN/P
  remoteproc: imx_rproc: support i.MX7ULP
  remoteproc: imx_rproc: make clk optional
  remoteproc: imx_rproc: initial support for mutilple start/stop method
  ...

Merge tag 'driver-core-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

2021-07-05T20:51:41+00:00

Pull driver core changes from Greg KH:
 "Here is the small set of driver core and debugfs updates for 5.14-rc1.

  Included in here are:

   - debugfs api cleanups (touched some drivers)

   - devres updates

   - tiny driver core updates and tweaks

  Nothing major in here at all, and all have been in linux-next for a
  while with no reported issues"

* tag 'driver-core-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (27 commits)
  docs: ABI: testing: sysfs-firmware-memmap: add some memmap types.
  devres: Enable trace events
  devres: No need to call remove_nodes() when there none present
  devres: Use list_for_each_safe_from() in remove_nodes()
  devres: Make locking straight forward in release_nodes()
  kernfs: move revalidate to be near lookup
  drivers/base: Constify static attribute_group structs
  firmware_loader: remove unneeded 'comma' macro
  devcoredump: remove contact information
  driver core: Drop helper devm_platform_ioremap_resource_wc()
  component: Rename 'dev' to 'parent'
  component: Drop 'dev' argument to component_match_realloc()
  device property: Don't check for NULL twice in the loops
  driver core: auxiliary bus: Fix typo in the docs
  drivers/base/node.c: make CACHE_ATTR define static DEVICE_ATTR_RO
  debugfs: remove return value of debugfs_create_ulong()
  debugfs: remove return value of debugfs_create_bool()
  scsi: snic: debugfs: remove local storage of debugfs files
  b43: don't save dentries for debugfs
  b43legacy: don't save dentries for debugfs
  ...

kernel.h: split out panic and oops helpers

2021-07-01T18:06:04+00:00

kernel.h is being used as a dump for all kinds of stuff for a long time.
Here is the attempt to start cleaning it up by splitting out panic and
oops helpers.

There are several purposes of doing this:
- dropping dependency in bug.h
- dropping a loop by moving out panic_notifier.h
- unload kernel.h from something which has its own domain

At the same time convert users tree-wide to use new headers, although for
the time being include new header back to kernel.h to avoid twisted
indirected includes for existing users.

[akpm@linux-foundation.org: thread_info.h needs limits.h]
[andriy.shevchenko@linux.intel.com: ia64 fix]
  Link: https://lkml.kernel.org/r/20210520130557.55277-1-andriy.shevchenko@linux.intel.com

Link: https://lkml.kernel.org/r/20210511074137.33666-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko 
Reviewed-by: Bjorn Andersson 
Co-developed-by: Andrew Morton 
Acked-by: Mike Rapoport 
Acked-by: Corey Minyard 
Acked-by: Christian Brauner 
Acked-by: Arnd Bergmann 
Acked-by: Kees Cook 
Acked-by: Wei Liu 
Acked-by: Rasmus Villemoes 
Signed-off-by: Andrew Morton 
Acked-by: Sebastian Reichel 
Acked-by: Luis Chamberlain 
Acked-by: Stephen Boyd 
Acked-by: Thomas Bogendoerfer 
Acked-by: Helge Deller  # parisc
Signed-off-by: Linus Torvalds