linux.git/drivers/firmware/xilinx, branch v6.5

Merge tag 'char-misc-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

2023-07-03T19:46:47+00:00

Pull Char/Misc updates from Greg KH:
 "Here is the big set of char/misc and other driver subsystem updates
  for 6.5-rc1.

  Lots of different, tiny, stuff in here, from a range of smaller driver
  subsystems, including pulls from some substems directly:

   - IIO driver updates and additions

   - W1 driver updates and fixes (and a new maintainer!)

   - FPGA driver updates and fixes

   - Counter driver updates

   - Extcon driver updates

   - Interconnect driver updates

   - Coresight driver updates

   - mfd tree tag merge needed for other updates on top of that, lots of
     small driver updates as patches, including:

   - static const updates for class structures

   - nvmem driver updates

   - pcmcia driver fix

   - lots of other small driver updates and fixes

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'char-misc-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (243 commits)
  bsr: fix build problem with bsr_class static cleanup
  comedi: make all 'class' structures const
  char: xillybus: make xillybus_class a static const structure
  xilinx_hwicap: make icap_class a static const structure
  virtio_console: make port class a static const structure
  ppdev: make ppdev_class a static const structure
  char: misc: make misc_class a static const structure
  /dev/mem: make mem_class a static const structure
  char: lp: make lp_class a static const structure
  dsp56k: make dsp56k_class a static const structure
  bsr: make bsr_class a static const structure
  oradax: make 'cl' a static const structure
  hwtracing: hisi_ptt: Fix potential sleep in atomic context
  hwtracing: hisi_ptt: Advertise PERF_PMU_CAP_NO_EXCLUDE for PTT PMU
  hwtracing: hisi_ptt: Export available filters through sysfs
  hwtracing: hisi_ptt: Add support for dynamically updating the filter list
  hwtracing: hisi_ptt: Factor out filter allocation and release operation
  samples: pfsm: add CC_CAN_LINK dependency
  misc: fastrpc: check return value of devm_kasprintf()
  coresight: dummy: Update type of mode parameter in dummy_{sink,source}_enable()
  ...

firmware: xilinx: Switch Michal Simek's email to new one

2023-05-31T19:27:24+00:00

@xilinx.com is still working but better to switch to new amd.com after
AMD/Xilinx acquisition.

Signed-off-by: Michal Simek 
Link: https://lore.kernel.org/r/36d119221aa12369c601cd37160306aeb84fc973.1684244767.git.michal.simek@amd.com
Signed-off-by: Greg Kroah-Hartman

firmware: xilinx: Update the zynqmp_pm_fpga_load() API

2023-05-12T11:11:09+00:00

Update the zynqmp_pm_fpga_load() API to handle the firmware error’s
properly.

Signed-off-by: Nava kishore Manne 
Link: https://lore.kernel.org/r/20230503050158.1936467-1-nava.kishore.manne@amd.com
Signed-off-by: Michal Simek

Merge 6.3-rc3 into char-misc-next

2023-03-20T08:06:37+00:00

We need the mainline fixes in this branch for testing and other
subsystem changes to be based properly on.

Signed-off-by: Greg Kroah-Hartman

firmware: xilinx: don't make a sleepable memory allocation from an atomic context

2023-03-09T17:00:31+00:00

The following issue was discovered using lockdep:
[    6.691371] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:209
[    6.694602] in_atomic(): 1, irqs_disabled(): 128, non_block: 0, pid: 1, name: swapper/0
[    6.702431] 2 locks held by swapper/0/1:
[    6.706300]  #0: ffffff8800f6f188 (&dev->mutex){....}-{3:3}, at: __device_driver_lock+0x4c/0x90
[    6.714900]  #1: ffffffc009a2abb8 (enable_lock){....}-{2:2}, at: clk_enable_lock+0x4c/0x140
[    6.723156] irq event stamp: 304030
[    6.726596] hardirqs last  enabled at (304029): [] _raw_spin_unlock_irqrestore+0xc0/0xd0
[    6.736142] hardirqs last disabled at (304030): [] clk_enable_lock+0xfc/0x140
[    6.744742] softirqs last  enabled at (303958): [] _stext+0x4f0/0x894
[    6.752655] softirqs last disabled at (303951): [] irq_exit+0x238/0x280
[    6.760744] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G     U            5.15.36 #2
[    6.768048] Hardware name: xlnx,zynqmp (DT)
[    6.772179] Call trace:
[    6.774584]  dump_backtrace+0x0/0x300
[    6.778197]  show_stack+0x18/0x30
[    6.781465]  dump_stack_lvl+0xb8/0xec
[    6.785077]  dump_stack+0x1c/0x38
[    6.788345]  ___might_sleep+0x1a8/0x2a0
[    6.792129]  __might_sleep+0x6c/0xd0
[    6.795655]  kmem_cache_alloc_trace+0x270/0x3d0
[    6.800127]  do_feature_check_call+0x100/0x220
[    6.804513]  zynqmp_pm_invoke_fn+0x8c/0xb0
[    6.808555]  zynqmp_pm_clock_getstate+0x90/0xe0
[    6.813027]  zynqmp_pll_is_enabled+0x8c/0x120
[    6.817327]  zynqmp_pll_enable+0x38/0xc0
[    6.821197]  clk_core_enable+0x144/0x400
[    6.825067]  clk_core_enable+0xd4/0x400
[    6.828851]  clk_core_enable+0xd4/0x400
[    6.832635]  clk_core_enable+0xd4/0x400
[    6.836419]  clk_core_enable+0xd4/0x400
[    6.840203]  clk_core_enable+0xd4/0x400
[    6.843987]  clk_core_enable+0xd4/0x400
[    6.847771]  clk_core_enable+0xd4/0x400
[    6.851555]  clk_core_enable_lock+0x24/0x50
[    6.855683]  clk_enable+0x24/0x40
[    6.858952]  fclk_probe+0x84/0xf0
[    6.862220]  platform_probe+0x8c/0x110
[    6.865918]  really_probe+0x110/0x5f0
[    6.869530]  __driver_probe_device+0xcc/0x210
[    6.873830]  driver_probe_device+0x64/0x140
[    6.877958]  __driver_attach+0x114/0x1f0
[    6.881828]  bus_for_each_dev+0xe8/0x160
[    6.885698]  driver_attach+0x34/0x50
[    6.889224]  bus_add_driver+0x228/0x300
[    6.893008]  driver_register+0xc0/0x1e0
[    6.896792]  __platform_driver_register+0x44/0x60
[    6.901436]  fclk_driver_init+0x1c/0x28
[    6.905220]  do_one_initcall+0x104/0x590
[    6.909091]  kernel_init_freeable+0x254/0x2bc
[    6.913390]  kernel_init+0x24/0x130
[    6.916831]  ret_from_fork+0x10/0x20

Fix it by passing the GFP_ATOMIC gfp flag for the corresponding
memory allocation.

Fixes: acfdd18591ea ("firmware: xilinx: Use hash-table for api feature check")
Cc: stable 
Signed-off-by: Roman Gushchin 
Cc: Amit Sunil Dhamne 
Cc: Michal Simek 
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Link: https://lore.kernel.org/r/20230308222602.123866-1-roman.gushchin@linux.dev
Signed-off-by: Greg Kroah-Hartman

firmware: xilinx: Add pm api function for PL config reg readback

2023-03-09T16:33:19+00:00

Adds PM API for performing Programmable Logic(PL) configuration
register readback. It provides an interface to the firmware(pmufw)
to readback the FPGA configuration register.

Signed-off-by: Nava kishore Manne 
Acked-by: Xu Yilun 
Link: https://lore.kernel.org/r/20230224120738.329416-2-nava.kishore.manne@amd.com
Signed-off-by: Greg Kroah-Hartman

firmware: xilinx: Clear IOCTL_SET_SD_TAPDELAY using PM_MMIO_WRITE

2023-01-05T09:18:07+00:00

In case the tap delay required by Arasan SDHCI is set to 0, the current
embeddedsw firmware unconditionally writes IOU_SLCR SD_ITAPDLY to 0x100
(SD0_ITAPDLYENA=1, SD0_ITAPDLYSEL=0). Previous behavior was to keep the
IOU_SLCR SD_ITAPDLY set to 0x0. There is some sort of difference in the
behavior between SD0_ITAPDLYENA=1/0 with the same SD0_ITAPDLYSEL=0, even
though the behavior should be identical -- zero delay added to rxclk_in
line. The former breaks HS200 training in low temperature conditions.

Write IOU_SLCR SD_ITAPDLY register to 0 using PM_MMIO_WRITE which seem
to allow unrestricted WRITE access (and PM_MMIO_READ which allows read
access) to the entire address space. This way, it is possible to work
around the defect in IOCTL_SET_SD_TAPDELAY design which does not permit
clearing SDx_ITAPDLYENA bit.

Note that the embeddedsw firmware does not permit clearing the SD_ITAPDLY
SD0_ITAPDLYENA bit, this bit can only ever be set by the firmware and it
is often impossible to update the possibly broken firmware.

Signed-off-by: Marek Vasut 
Link: https://lore.kernel.org/r/20221215152023.8387-1-marex@denx.de
Signed-off-by: Michal Simek

Merge tag 'rproc-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

2022-12-21T17:37:14+00:00

Pull remoteproc updates from Bjorn Andersson:
 "rproc-virtio device names are now auto generated, to avoid conflicts
  between remoteproc instances.

  The imx_rproc driver is extended with support for communicating with
  and attaching to a running M4 on i.MX8QXP, as well as support for
  attaching to the M4 after self-recovering from a crash. Support is
  added for i.MX8QM and mailbox channels are reconnected during the
  recovery process, in order to avoid data corruption.

  The Xilinx Zynqmp firmware interface is extended and support for the
  Xilinx R5 RPU is introduced.

  Various resources leaks, primarily in error paths, throughout the
  Qualcomm drivers are corrected.

  Lastly a fix to ensure that pm_relax is invoked even if the remoteproc
  instance is stopped between a crash is being reported and the recovery
  handler is scheduled"

* tag 'rproc-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (25 commits)
  remoteproc: core: Do pm_relax when in RPROC_OFFLINE state
  remoteproc: qcom: q6v5: Fix missing clk_disable_unprepare() in q6v5_wcss_qcs404_power_on()
  remoteproc: qcom_q6v5_pas: Fix missing of_node_put() in adsp_alloc_memory_region()
  remoteproc: qcom_q6v5_pas: detach power domains on remove
  remoteproc: qcom_q6v5_pas: disable wakeup on probe fail or remove
  remoteproc: qcom: q6v5: Fix potential null-ptr-deref in q6v5_wcss_init_mmio()
  remoteproc: sysmon: fix memory leak in qcom_add_sysmon_subdev()
  remoteproc: sysmon: Make QMI message rules const
  drivers: remoteproc: Add Xilinx r5 remoteproc driver
  firmware: xilinx: Add RPU configuration APIs
  firmware: xilinx: Add shutdown/wakeup APIs
  firmware: xilinx: Add ZynqMP firmware ioctl enums for RPU configuration.
  arm64: dts: xilinx: zynqmp: Add RPU subsystem device node
  dt-bindings: remoteproc: Add Xilinx RPU subsystem bindings
  remoteproc: core: Use device_match_of_node()
  remoteproc: imx_rproc: Correct i.MX93 DRAM mapping
  remoteproc: imx_rproc: Enable attach recovery for i.MX8QM/QXP
  remoteproc: imx_rproc: Request mbox channel later
  remoteproc: imx_rproc: Support i.MX8QM
  remoteproc: imx_rproc: Support kicking Mcore from Linux for i.MX8QXP
  ...

firmware: xilinx: Add RPU configuration APIs

2022-11-25T16:11:47+00:00

This patch adds APIs to access to configure RPU and its
processor-specific memory.

That is query the run-time mode of RPU as either split or lockstep as well
as API to set this mode. In addition add APIs to access configuration of
the RPUs' tightly coupled memory (TCM).

Signed-off-by: Ben Levinsky 
Signed-off-by: Tanmay Shah 
Acked-by: Michal Simek 
Link: https://lore.kernel.org/r/20221114233940.2096237-6-tanmay.shah@amd.com
Signed-off-by: Mathieu Poirier

firmware: xilinx: Add shutdown/wakeup APIs

2022-11-25T16:10:54+00:00

Add shutdown/wakeup a resource eemi operations to shutdown
or bringup a resource.

Note alignment of args matches convention of other fn's in this file.
The reason being that the long fn name results in aligned args that
otherwise go over 80 chars so shift right to avoid this

Signed-off-by: Ben Levinsky 
Signed-off-by: Tanmay Shah 
Acked-by: Michal Simek 
Link: https://lore.kernel.org/r/20221114233940.2096237-5-tanmay.shah@amd.com
Signed-off-by: Mathieu Poirier