Commit Graph

5991 Commits

Author SHA1 Message Date
Linus Torvalds
d017a3167b ACPI updates for 5.18-rc2
- Revert an ACPI processor driver change related to cache
    invalidation in acpi_idle_play_dead() that clearly was a mistake
    and introduced user-visible regressions (Akihiko Odaki).
 
  - Replace the last instance of acpi_bus_get_device() added during
    the recent merge window and drop the function to prevent more
    users of it from being added (Rafael Wysocki).
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Merge tag 'acpi-5.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI updates from Rafael Wysocki:
 "These revert a problematic commit from the 5.17 development cycle and
  finalize the elimination of acpi_bus_get_device() that mostly took
  place during the recent merge window.

  Specifics:

   - Revert an ACPI processor driver change related to cache
     invalidation in acpi_idle_play_dead() that clearly was a mistake
     and introduced user-visible regressions (Akihiko Odaki).

   - Replace the last instance of acpi_bus_get_device() added during the
     recent merge window and drop the function to prevent more users of
     it from being added (Rafael Wysocki)"

* tag 'acpi-5.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: bus: Eliminate acpi_bus_get_device()
  Revert "ACPI: processor: idle: Only flush cache on entering C3"
2022-04-08 18:23:02 -10:00
Kamal Dasu
2c7d1b2812
spi: bcm-qspi: fix MSPI only access with bcm_qspi_exec_mem_op()
This fixes case where MSPI controller is used to access spi-nor
flash and BSPI block is not present.

Fixes: 5f195ee7d8 ("spi: bcm-qspi: Implement the spi_mem interface")
Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20220328142442.7553-1-kdasu.kdev@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-06 15:50:11 +01:00
Matthias Schiffer
97e4827d77
spi: cadence-quadspi: fix protocol setup for non-1-1-X operations
cqspi_set_protocol() only set the data width, but ignored the command
and address width (except for 8-8-8 DTR ops), leading to corruption of
all transfers using 1-X-X or X-X-X ops. Fix by setting the other two
widths as well.

While we're at it, simplify the code a bit by replacing the
CQSPI_INST_TYPE_* constants with ilog2().

Tested on a TI AM64x with a Macronix MX25U51245G QSPI flash with 1-4-4
read and write operations.

Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Link: https://lore.kernel.org/r/20220331110819.133392-1-matthias.schiffer@ew.tq-group.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-06 15:50:09 +01:00
Vinod Koul
409543cec0
spi: core: add dma_map_dev for __spi_unmap_msg()
Commit b470e10eb4 ("spi: core: add dma_map_dev for dma device") added
dma_map_dev for _spi_map_msg() but missed to add for unmap routine,
__spi_unmap_msg(), so add it now.

Fixes: b470e10eb4 ("spi: core: add dma_map_dev for dma device")
Cc: stable@vger.kernel.org # v5.14+
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20220406132238.1029249-1-vkoul@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-06 15:50:08 +01:00
Rafael J. Wysocki
ac2a3feefa ACPI: bus: Eliminate acpi_bus_get_device()
Replace the last instance of acpi_bus_get_device(), added recently
by commit 87e59b36e5 ("spi: Support selection of the index of the
ACPI Spi Resource before alloc"), with acpi_fetch_acpi_dev() and
finally drop acpi_bus_get_device() that has no more users.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Mark Brown <broonie@kernel.org>
2022-04-05 19:49:26 +02:00
Christophe JAILLET
35d516bdcd
spi: mxic: Fix an error handling path in mxic_spi_probe()
If spi_register_master() fails, we must undo a previous
mxic_spi_mem_ecc_probe() call, as already done in the remove function.

Fixes: 00360ebae4 ("spi: mxic: Add support for pipelined ECC operations")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/09c81f751241f6ec0bac7a48d4ec814a742e0d17.1648980664.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-04 08:45:14 +01:00
Geert Uytterhoeven
2f8cf5f642
spi: rpc-if: Fix RPM imbalance in probe error path
If rpcif_hw_init() fails, Runtime PM is left enabled.

Fixes: b04cc0d912 ("memory: renesas-rpc-if: Add support for RZ/G2L")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/1c78a1f447d019bb66b6e7787f520ae78821e2ae.1648562287.git.geert+renesas@glider.be
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-04 08:38:59 +01:00
Linus Torvalds
e35a4a4e13 Core MTD changes:
* Replace the expert mode symbols with a single helper
 * Fix misuses of of_match_ptr()
 * Remove partid and partname debugfs files
 * tests: Fix eraseblock read speed miscalculation for lower partition sizes
 * TRX parser: Allow to use on MediaTek MIPS SoCs
 
 MTD driver changes:
 * spear_smi: use GFP_KERNEL
 * mchp48l640: Add SPI ID table
 * mchp23k256: Add SPI ID table
 * blkdevs: Avoid soft lockups with some mtd/spi devices
 * aspeed-smc: Improve probe resilience
 
 Hyperbus changes:
 * HBMC_AM654 should depend on ARCH_K3
 
 NAND core changes:
 * ECC:
   - Add infrastructure to support hardware engines
   - Add a new helper to retrieve the ECC context
   - Provide a helper to retrieve a pilelined engine device
 
 NAND-ECC changes:
 * Macronix ECC engine:
   - Add Macronix external ECC engine support
   - Support SPI pipelined mode
   - Make two read-only arrays static const
   - Fix compile test issue
 
 Raw NAND core changes:
 * Fix misuses of of_match_node()
 * Rework of_get_nand_bus_width()
 * Remove of_get_nand_on_flash_bbt() wrapper
 * Protect access to rawnand devices while in suspend
 * bindings: Document the wp-gpios property
 
 Rax NAND controller driver changes:
 * atmel: Fix refcount issue in atmel_nand_controller_init
 * nandsim:
   - Add NS_PAGE_BYTE_SHIFT macro to replace the repeat pattern
   - Merge repeat codes in ns_switch_state
   - Replace overflow check with kzalloc to single kcalloc
 * rockchip: Fix platform_get_irq.cocci warning
 * stm32_fmc2: Add NAND Write Protect support
 * pl353: Set the nand chip node as the flash node
 * brcmnand: Fix sparse warnings in bcma_nand
 * omap_elm: Remove redundant variable 'errors'
 * gpmi:
   - Support fast edo timings for mx28
   - Validate controller clock rate
   - Fix controller timings setting
 * brcmnand:
   - Add BCMA shim
   - BCMA controller uses command shift of 0
   - Allow platform data instantation
   - Add platform data structure for BCMA
   - Allow working without interrupts
   - Move OF operations out of brcmnand_init_cs()
   - Avoid pdev in brcmnand_init_cs()
   - Allow SoC to provide I/O operations
   - Assign soc as early as possible
 
 Onenand changes:
 * Check for error irq
 
 SPI-NAND core changes:
 * Delay a little bit the dirmap creation
 * Create direct mapping descriptors for ECC operations
 
 SPI-NAND driver changes:
 * macronix: Use random program load
 
 SPI NOR core changes:
 * Move vendor specific code out of the core into vendor drivers.
 * Unify all function and object names in the vendor modules.
 * Make setup() callback optional to improve readability.
 * Skip erase logic when the SPI_NOR_NO_ERASE flag is set at flash
   declaration.
 
 SPI changes:
 * Macronix SPI controller:
   - Fix the transmit path
   - Create a helper to configure the controller before an operation
   - Create a helper to ease the start of an operation
   - Add support for direct mapping
   - Add support for pipelined ECC operations
 * spi-mem:
   - Introduce a capability structure
   - Check the controller extra capabilities
   - cadence-quadspi/mxic: Provide capability structures
   - Kill the spi_mem_dtr_supports_op() helper
   - Add an ecc parameter to the spi_mem_op structure
 
 Binding changes:
 * Dropped mtd/cortina,gemini-flash.txt
 * Convert BCM47xx partitions to json-schema
 * Vendor prefixes: Clarify Macronix prefix
 * SPI NAND: Convert spi-nand description file to yaml
 * Raw NAND chip: Create a NAND chip description
 * Raw NAND controller:
   - Harmonize the property types
   - Fix a comment in the examples
   - Fix the reg property description
 * Describe Macronix NAND ECC engine
 * Macronix SPI controller:
   - Document the nand-ecc-engine property
   - Convert to yaml
   - The interrupt property is not mandatory
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Merge tag 'mtd/changes-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull MTD updates from Miquel Raynal:
 "There has been a lot of activity in the MTD subsystem recently, with a
  number of SPI-NOR cleanups as well as the introduction of ECC engines
  that can be used by SPI controllers (hence a few SPI patches in here).

  Core MTD changes:
   - Replace the expert mode symbols with a single helper
   - Fix misuses of of_match_ptr()
   - Remove partid and partname debugfs files
   - tests: Fix eraseblock read speed miscalculation for lower partition
     sizes
   - TRX parser: Allow to use on MediaTek MIPS SoCs

  MTD driver changes:
   - spear_smi: use GFP_KERNEL
   - mchp48l640: Add SPI ID table
   - mchp23k256: Add SPI ID table
   - blkdevs: Avoid soft lockups with some mtd/spi devices
   - aspeed-smc: Improve probe resilience

  Hyperbus changes:
   - HBMC_AM654 should depend on ARCH_K3

  NAND core changes:
   - ECC:
      - Add infrastructure to support hardware engines
      - Add a new helper to retrieve the ECC context
      - Provide a helper to retrieve a pilelined engine device

  NAND-ECC changes:
   - Macronix ECC engine:
      - Add Macronix external ECC engine support
      - Support SPI pipelined mode
      - Make two read-only arrays static const
      - Fix compile test issue

  Raw NAND core changes:
   - Fix misuses of of_match_node()
   - Rework of_get_nand_bus_width()
   - Remove of_get_nand_on_flash_bbt() wrapper
   - Protect access to rawnand devices while in suspend
   - bindings: Document the wp-gpios property

  Rax NAND controller driver changes:
   - atmel: Fix refcount issue in atmel_nand_controller_init
   - nandsim:
      - Add NS_PAGE_BYTE_SHIFT macro to replace the repeat pattern
      - Merge repeat codes in ns_switch_state
      - Replace overflow check with kzalloc to single kcalloc
   - rockchip: Fix platform_get_irq.cocci warning
   - stm32_fmc2: Add NAND Write Protect support
   - pl353: Set the nand chip node as the flash node
   - brcmnand: Fix sparse warnings in bcma_nand
   - omap_elm: Remove redundant variable 'errors'
   - gpmi:
      - Support fast edo timings for mx28
      - Validate controller clock rate
      - Fix controller timings setting
   - brcmnand:
      - Add BCMA shim
      - BCMA controller uses command shift of 0
      - Allow platform data instantation
      - Add platform data structure for BCMA
      - Allow working without interrupts
      - Move OF operations out of brcmnand_init_cs()
      - Avoid pdev in brcmnand_init_cs()
      - Allow SoC to provide I/O operations
      - Assign soc as early as possible

  Onenand changes:
   - Check for error irq

  SPI-NAND core changes:
   - Delay a little bit the dirmap creation
   - Create direct mapping descriptors for ECC operations

  SPI-NAND driver changes:
   - macronix: Use random program load

  SPI NOR core changes:
   - Move vendor specific code out of the core into vendor drivers.
   - Unify all function and object names in the vendor modules.
   - Make setup() callback optional to improve readability.
   - Skip erase logic when the SPI_NOR_NO_ERASE flag is set at flash
     declaration.

  SPI changes:
   - Macronix SPI controller:
      - Fix the transmit path
      - Create a helper to configure the controller before an operation
      - Create a helper to ease the start of an operation
      - Add support for direct mapping
      - Add support for pipelined ECC operations
   - spi-mem:
      - Introduce a capability structure
      - Check the controller extra capabilities
      - cadence-quadspi/mxic: Provide capability structures
      - Kill the spi_mem_dtr_supports_op() helper
      - Add an ecc parameter to the spi_mem_op structure

  Binding changes:
   - Dropped mtd/cortina,gemini-flash.txt
   - Convert BCM47xx partitions to json-schema
   - Vendor prefixes: Clarify Macronix prefix
   - SPI NAND: Convert spi-nand description file to yaml
   - Raw NAND chip: Create a NAND chip description
   - Raw NAND controller:
      - Harmonize the property types
      - Fix a comment in the examples
      - Fix the reg property description
   - Describe Macronix NAND ECC engine
   - Macronix SPI controller:
      - Document the nand-ecc-engine property
      - Convert to yaml
      - The interrupt property is not mandatory"

* tag 'mtd/changes-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (104 commits)
  mtd: nand: ecc: mxic: Fix compile test issue
  mtd: nand: mxic-ecc: make two read-only arrays static const
  mtd: hyperbus: HBMC_AM654 should depend on ARCH_K3
  mtd: core: Remove partid and partname debugfs files
  dt-bindings: mtd: partitions: convert BCM47xx to the json-schema
  mtd: tests: Fix eraseblock read speed miscalculation for lower partition sizes
  mtd: rawnand: atmel: fix refcount issue in atmel_nand_controller_init
  mtd: rawnand: rockchip: fix platform_get_irq.cocci warning
  mtd: spi-nor: Skip erase logic when SPI_NOR_NO_ERASE is set
  mtd: spi-nor: renumber flags
  mtd: spi-nor: slightly change code style in spi_nor_sr_ready()
  mtd: spi-nor: spansion: rename vendor specific functions and defines
  mtd: spi-nor: spansion: convert USE_CLSR to a manufacturer flag
  mtd: spi-nor: move all spansion specifics into spansion.c
  mtd: spi-nor: spansion: slightly rework control flow in late_init()
  mtd: spi-nor: micron-st: rename vendor specific functions and defines
  mtd: spi-nor: micron-st: convert USE_FSR to a manufacturer flag
  mtd: spi-nor: move all micron-st specifics into micron-st.c
  mtd: spi-nor: xilinx: correct the debug message
  mtd: spi-nor: xilinx: rename vendor specific functions and defines
  ...
2022-03-25 13:35:34 -07:00
Linus Torvalds
ad9c6ee642 spi: Updates for v5.18
The overwhelming bulk of this pull request is a change from Uwe
 Kleine-König which changes the return type of the remove() function to
 void as part of some wider work he's doing to do this for all bus types,
 causing updates to most SPI device drivers.  The branch with that on has
 been cross merged with a couple of other trees which added new SPI
 drivers this cycle, I'm not expecting any build issues resulting from
 the change.
 
 Otherwise it's been a relatively quiet release with some new device
 support, a few minor features and the welcome completion of the
 conversion of the subsystem to use GPIO descriptors rather than numbers:
 
  - Change return type of remove() to void.
  - Completion of the conversion of SPI controller drivers to use GPIO
    descriptors rather than numbers.
  - Quite a few DT schema conversions.
  - Support for multiple SPI devices on a bus in ACPI systems.
  - Big overhaul of the PXA2xx SPI driver.
  - Support for AMD AMDI0062, Intel Raptor Lake, Mediatek MT7986 and
    MT8186, nVidia Tegra210 and Tegra234, Renesas RZ/V2L, Tesla FSD and
    Sunplus SP7021.
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Merge tag 'spi-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "The overwhelming bulk of this pull request is a change from Uwe
  Kleine-König which changes the return type of the remove() function to
  void as part of some wider work he's doing to do this for all bus
  types, causing updates to most SPI device drivers. The branch with
  that on has been cross merged with a couple of other trees which added
  new SPI drivers this cycle, I'm not expecting any build issues
  resulting from the change.

  Otherwise it's been a relatively quiet release with some new device
  support, a few minor features and the welcome completion of the
  conversion of the subsystem to use GPIO descriptors rather than
  numbers:

   - Change return type of remove() to void.

   - Completion of the conversion of SPI controller drivers to use GPIO
     descriptors rather than numbers.

   - Quite a few DT schema conversions.

   - Support for multiple SPI devices on a bus in ACPI systems.

   - Big overhaul of the PXA2xx SPI driver.

   - Support for AMD AMDI0062, Intel Raptor Lake, Mediatek MT7986 and
     MT8186, nVidia Tegra210 and Tegra234, Renesas RZ/V2L, Tesla FSD and
     Sunplus SP7021"

[ And this is obviously where that spi change that snuck into the
  regulator tree _should_ have been :^]

* tag 'spi-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (124 commits)
  spi: fsi: Implement a timeout for polling status
  spi: Fix erroneous sgs value with min_t()
  spi: tegra20: Use of_device_get_match_data()
  spi: mediatek: add ipm design support for MT7986
  spi: Add compatible for MT7986
  spi: sun4i: fix typos in comments
  spi: mediatek: support tick_delay without enhance_timing
  spi: Update clock-names property for arm pl022
  spi: rockchip-sfc: fix platform_get_irq.cocci warning
  spi: s3c64xx: Add spi port configuration for Tesla FSD SoC
  spi: dt-bindings: samsung: Add fsd spi compatible
  spi: topcliff-pch: Prevent usage of potentially stale DMA device
  spi: tegra210-quad: combined sequence mode
  spi: tegra210-quad: add acpi support
  spi: npcm-fiu: Fix typo ("npxm")
  spi: Fix Tegra QSPI example
  spi: qup: replace spin_lock_irqsave by spin_lock in hard IRQ
  spi: cadence: fix platform_get_irq.cocci warning
  spi: Update NXP Flexspi maintainer details
  dt-bindings: mfd: maxim,max77802: Convert to dtschema
  ...
2022-03-21 18:33:57 -07:00
Linus Torvalds
d6ccf45113 regulator: Updates for v5.18
Quite a quiet release for the regulator API, mainly a few new drivers
 plus a lot of fixes for the Raspberry Pi panel driver.  There's also a
 SPI commit in here which I managed to apply to the wrong tree and then
 didn't notice until there were too many commits on top of it, sorry
 about that.
 
  - Make it easier to use the virtual consumer test driver with DT
    systems.
  - Substantial overhaul providing various fixes and robustness
    improvements for the Raspberry Pi panel driver.
  - Support for Qualcomm PMX65 and SDX65, Richtek RT5190A, and Texas
    Instruments TPS62864x
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Merge tag 'regulator-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "Quite a quiet release for the regulator API, mainly a few new drivers
  plus a lot of fixes for the Raspberry Pi panel driver.

  There's also a SPI commit in here which I managed to apply to the
  wrong tree and then didn't notice until there were too many commits on
  top of it, sorry about that.

   - Make it easier to use the virtual consumer test driver with DT
     systems.

   - Substantial overhaul providing various fixes and robustness
     improvements for the Raspberry Pi panel driver.

   - Support for Qualcomm PMX65 and SDX65, Richtek RT5190A, and Texas
     Instruments TPS62864x"

* tag 'regulator-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (26 commits)
  regulator: qcom-rpmh: Add support for SDX65
  regulator: dt-bindings: Add PMX65 compatibles
  regulator: vctrl: Use min() instead of doing it manually
  regulator: rt5190a: Add support for Richtek RT5190A PMIC
  regulator: Add bindings for Richtek RT5190A PMIC
  regulator: Convert TPS62360 binding to json-schema
  regulator: cleanup comments
  regulator: virtual: add devicetree support
  regulator: virtual: warn against production use
  regulator: virtual: use dev_err_probe()
  regulator: tps62864: Fix bindings for SW property
  regulator: Add support for TPS6286x
  regulator: Add bindings for TPS62864x
  regulator/rpi-panel-attiny: Use two transactions for I2C read
  regulator/rpi-panel-attiny: Use the regmap cache
  regulator: rpi-panel: Remove get_brightness hook
  regulator: rpi-panel: Add GPIO control for panel and touch resets
  regulator: rpi-panel: Convert to drive lines directly
  regulator: rpi-panel: Ensure the backlight is off during probe.
  regulator: rpi-panel: Serialise operations.
  ...
2022-03-21 18:27:05 -07:00
Miquel Raynal
4e371d9965 SPI NOR core changes:
- move vendor specific code out of the core into vendor drivers.
 - unify all function and object names in the vendor modules.
 - make setup() callback optional to improve readability.
 - skip erase logic when the SPI_NOR_NO_ERASE flag is set at flash
   declaration.
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Merge tag 'spi-nor/for-5.18' into mtd/next

SPI NOR core changes:
- move vendor specific code out of the core into vendor drivers.
- unify all function and object names in the vendor modules.
- make setup() callback optional to improve readability.
- skip erase logic when the SPI_NOR_NO_ERASE flag is set at flash
  declaration.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2022-03-18 20:14:42 +01:00
Eddie James
89b35e3f28
spi: fsi: Implement a timeout for polling status
The data transfer routines must poll the status register to
determine when more data can be shifted in or out. If the hardware
gets into a bad state, these polling loops may never exit. Prevent
this by returning an error if a timeout is exceeded.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20220317211426.38940-1-eajames@linux.ibm.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-03-18 16:05:08 +00:00
Biju Das
ebc4cb43ea
spi: Fix erroneous sgs value with min_t()
While computing sgs in spi_map_buf(), the data type
used in min_t() for max_seg_size is 'unsigned int' where
as that of ctlr->max_dma_len is 'size_t'.

min_t(unsigned int,x,y) gives wrong results if one of x/y is
'size_t'

Consider the below examples on a 64-bit machine (ie size_t is
64-bits, and unsigned int is 32-bit).
    case 1) min_t(unsigned int, 5, 0x100000001);
    case 2) min_t(size_t, 5, 0x100000001);

Case 1 returns '1', where as case 2 returns '5'. As you can see
the result from case 1 is wrong.

This patch fixes the above issue by using the data type of the
parameters that are used in min_t with maximum data length.

Fixes: commit 1a4e53d2fc ("spi: Fix invalid sgs value")
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Suggested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220316175317.465-1-biju.das.jz@bp.renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-03-17 17:59:54 +00:00
Mark Brown
2d2c73318b
spi: Get sgs size fix into branch
Dependency for patch to be applied.
2022-03-17 17:59:22 +00:00
Minghao Chi
c9839acfcb
spi: tegra20: Use of_device_get_match_data()
Use of_device_get_match_data() to simplify the code.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Link: https://lore.kernel.org/r/20220315023138.2118293-1-chi.minghao@zte.com.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-03-16 16:39:36 +00:00
Mark Brown
62cb1cfed6
fix typos in comments
Merge series from Julia Lawall <Julia.Lawall@inria.fr>:

Various spelling mistakes in comments.
Detected with the help of Coccinelle.

---

 drivers/base/devres.c                               |    4 ++--
 drivers/clk/qcom/gcc-sm6125.c                       |    2 +-
 drivers/clk/ti/clkctrl.c                            |    2 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c              |    4 ++--
 drivers/gpu/drm/amd/display/dc/bios/command_table.c |    6 +++---
 drivers/gpu/drm/amd/pm/amdgpu_pm.c                  |    2 +-
 drivers/gpu/drm/bridge/analogix/analogix_dp_core.c  |    4 ++--
 drivers/gpu/drm/sti/sti_gdp.c                       |    2 +-
 drivers/infiniband/hw/qib/qib_iba7220.c             |    4 ++--
 drivers/leds/leds-pca963x.c                         |    2 +-
 drivers/media/i2c/ov5695.c                          |    2 +-
 drivers/mfd/rohm-bd9576.c                           |    2 +-
 drivers/mtd/ubi/block.c                             |    2 +-
 drivers/net/can/usb/ucan.c                          |    4 ++--
 drivers/net/ethernet/packetengines/yellowfin.c      |    2 +-
 drivers/net/wireless/ath/ath6kl/htc_mbox.c          |    2 +-
 drivers/net/wireless/cisco/airo.c                   |    2 +-
 drivers/net/wireless/mediatek/mt76/mt7915/init.c    |    2 +-
 drivers/net/wireless/realtek/rtlwifi/rtl8821ae/dm.c |    6 +++---
 drivers/platform/x86/uv_sysfs.c                     |    2 +-
 drivers/s390/crypto/pkey_api.c                      |    2 +-
 drivers/scsi/aic7xxx/aicasm/aicasm.c                |    2 +-
 drivers/scsi/elx/libefc_sli/sli4.c                  |    2 +-
 drivers/scsi/lpfc/lpfc_mbox.c                       |    2 +-
 drivers/scsi/qla2xxx/qla_gs.c                       |    2 +-
 drivers/spi/spi-sun4i.c                             |    2 +-
 drivers/staging/rtl8723bs/core/rtw_mlme.c           |    2 +-
 drivers/usb/gadget/udc/snps_udc_core.c              |    2 +-
 fs/kernfs/file.c                                    |    2 +-
 kernel/events/core.c                                |    2 +-
 30 files changed, 39 insertions(+), 39 deletions(-)
2022-03-15 13:38:55 +00:00
Leilk Liu
7e963fb2a3
spi: mediatek: add ipm design support for MT7986
this patch add the support of ipm design.

Signed-off-by: Leilk Liu <leilk.liu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220315032411.2826-4-leilk.liu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-03-15 12:04:31 +00:00
Julia Lawall
2002c13243
spi: sun4i: fix typos in comments
Various spelling mistakes in comments.
Detected with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Link: https://lore.kernel.org/r/20220314115354.144023-22-Julia.Lawall@inria.fr
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-03-15 12:03:58 +00:00
Leilk Liu
03b1be379d
spi: mediatek: support tick_delay without enhance_timing
this patch support tick_delay bit[31:30] without enhance_timing feature.

Fixes: f84d866ab43f("spi: mediatek: add tick_delay support")
Signed-off-by: Leilk Liu <leilk.liu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220315032411.2826-2-leilk.liu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-03-15 12:03:53 +00:00
Yihao Han
2cfdf0b444
spi: rockchip-sfc: fix platform_get_irq.cocci warning
Remove dev_err() messages after platform_get_irq*() failures.
platform_get_irq() already prints an error.

Generated by: scripts/coccinelle/api/platform_get_irq.cocci

Signed-off-by: Yihao Han <hanyihao@vivo.com>
Link: https://lore.kernel.org/r/20220310094806.13734-1-hanyihao@vivo.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-03-10 12:17:56 +00:00
Linus Torvalds
1db333d9a5 spi: Fix for v5.17
One fix for type conversion issues when working out maximum
 scatter/gather segment sizes which caused problems for some systems
 which where the limits overflow due to the type conversion.
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Merge tag 'spi-fix-v5.17-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fix from Mark Brown:
 "One fix for type conversion issues when working out maximum
  scatter/gather segment sizes.

  It caused problems for some systems where the limits overflow
  due to the type conversion"

* tag 'spi-fix-v5.17-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: Fix invalid sgs value
2022-03-10 04:15:09 -08:00
Mark Brown
87fee8d091
spi: Tesla FSD support
Merge series from Alim Akhtar:

This series adds support for the SPI controller in the Tesla FSD SoC,
also pulling in:

   git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git ib-mfd-spi-dt-v5.18

from the MFD tree which has dependencies for the DT bindings.
2022-03-08 20:07:09 +00:00
Alim Akhtar
4ebb15a157
spi: s3c64xx: Add spi port configuration for Tesla FSD SoC
Add compatible and port configuration for spi controller
for Tesla Full Self-Driving SoC.

Cc: linux-fsd@tesla.com
Signed-off-by: Aswani Reddy <aswani.reddy@samsung.com>
Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Andi Shyti <andi@etezian.org>
Link: https://lore.kernel.org/r/20220308121640.27344-2-alim.akhtar@samsung.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-03-08 17:25:38 +00:00
Mark Brown
c8a7fae594
Tegra QUAD SPI combined sequence mode
Merge series from Krishna Yarlagadda <kyarlagadda@nvidia.com>:

Add ACPI support for Tegra210 QUAD SPI driver Support new Tegra194
feature, combined sequence mode.
2022-03-08 17:19:24 +00:00
Andy Shevchenko
80ab9012bb
spi: topcliff-pch: Prevent usage of potentially stale DMA device
DMA device is expected to be available while SPI transfer is ongoing.

Prevent usage of potentially stale DMA device by keeping reference
count till the end of the transfer.

Fixes: 4d986ffa03 ("spi: add missing pci_dev_put() before return")
Reported-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220307173740.80996-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-03-08 12:28:07 +00:00
Krishna Yarlagadda
1b8342cc4a
spi: tegra210-quad: combined sequence mode
Add combined sequence mode supported by Tegra QSPI controller.
For commands which contain cmd, addr, data parts to it, controller
can accept all 3 transfers at once and avoid interrupt for each
transfer. This would improve read & write performance.

Signed-off-by: Krishna Yarlagadda <kyarlagadda@nvidia.com>
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20220307165519.38380-3-kyarlagadda@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-03-08 12:28:05 +00:00
Krishna Yarlagadda
75a1b44a54
spi: tegra210-quad: add acpi support
Add ACPI ID for Tegra QUAD SPI. Switch to common device property calls.
Skip clock calls that are not updated in ACPI boot.
Runtime PM support is not yet enabled with ACPI boot.

Signed-off-by: Krishna Yarlagadda <kyarlagadda@nvidia.com>
Link: https://lore.kernel.org/r/20220307165519.38380-2-kyarlagadda@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-03-08 12:28:04 +00:00
Biju Das
1a4e53d2fc
spi: Fix invalid sgs value
max_seg_size is unsigned int and it can have a value up to 2^32
(for eg:-RZ_DMAC driver sets dma_set_max_seg_size as U32_MAX)
When this value is used in min_t() as an integer type, it becomes
-1 and the value of sgs becomes 0.

Fix this issue by replacing the 'int' data type with 'unsigned int'
in min_t().

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20220307184843.9994-1-biju.das.jz@bp.renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-03-08 12:27:33 +00:00
Jonathan Neuschäfer
b15e3bc769
spi: npcm-fiu: Fix typo ("npxm")
The platform is called NPCM, not NPXM.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20220306142312.109017-1-j.neuschaefer@gmx.net
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-03-07 13:16:58 +00:00
Xingbang Liu
fa0f3db49e
spi: qup: replace spin_lock_irqsave by spin_lock in hard IRQ
The code has been in a irq-disabled context since it is hard IRQ. There
is no necessity to do it again.

Signed-off-by: Xingbang Liu <liu.airalert@gmail.com>
Link: https://lore.kernel.org/r/20220302071521.6638-1-liu.airalert@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-03-07 13:16:08 +00:00
Yihao Han
c59dbc642d
spi: cadence: fix platform_get_irq.cocci warning
Remove dev_err() messages after platform_get_irq*() failures.
platform_get_irq() already prints an error.

Generated by: scripts/coccinelle/api/platform_get_irq.cocci

Signed-off-by: Yihao Han <hanyihao@vivo.com>
Link: https://lore.kernel.org/r/20220303125054.3574-1-hanyihao@vivo.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-03-07 13:16:07 +00:00
Krzysztof Kozlowski
7db7a24657 spi: s3c64xx: Allow controller-data to be optional
The Samsung SoC SPI driver requires to provide controller-data node
for each of SPI peripheral device nodes.  Make this controller-data node
optional, so DTS could be simpler.

Suggested-by: Rob Herring <robh@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Andi Shyti <andi@etezian.org>
Reviwed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220124082347.32747-5-krzysztof.kozlowski@canonical.com
2022-03-07 12:55:36 +00:00
Minghao Chi (CGEL ZTE)
dc8fea13f9
spi: Use of_device_get_match_data()
Use of_device_get_match_data() to simplify the code.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi (CGEL ZTE) <chi.minghao@zte.com.cn>
Link: https://lore.kernel.org/r/20220303092131.2060044-1-chi.minghao@zte.com.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-03-03 12:48:39 +00:00
Jiasheng Jiang
13262fc26c
spi: spi-zynqmp-gqspi: Handle error for dma_set_mask
As the potential failure of the dma_set_mask(),
it should be better to check it and return error
if fails.

Fixes: 126bdb606f ("spi: spi-zynqmp-gqspi: return -ENOMEM if dma_map_single fails")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20220302092051.121343-1-jiasheng@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-03-02 13:45:36 +00:00
Yun Zhou
6bb477df04
spi: use specific last_cs instead of last_cs_enable
Commit d40f0b6f2e instroduced last_cs_enable to avoid setting
chipselect if it's not necessary, but it also introduces a bug. The
chipselect may not be set correctly on multi-device SPI busses. The
reason is that we can't judge the chipselect by bool last_cs_enable,
since chipselect may be modified after other devices were accessed.

So we should record the specific state of chipselect in case of
confusion.

Signed-off-by: Yun Zhou <yun.zhou@windriver.com>
Link: https://lore.kernel.org/r/20220217141234.72737-1-yun.zhou@windriver.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-02-28 13:36:16 +00:00
Andy Shevchenko
fcaaf76ed5
spi: pxa2xx-pci: Constify struct pxa_spi_info variables
Now when there are no dynamical changes required, we may
constify struct pxa_spi_info variables.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220225172350.69797-11-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-02-28 12:10:27 +00:00
Andy Shevchenko
ba8d1353d9
spi: pxa2xx-pci: Drop temporary storage use for a handful of members
Instead of using temporary storage, assign the values directly
to the corresponding struct pxa2xx_spi_controller members.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220225172350.69797-10-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-02-28 12:10:26 +00:00
Andy Shevchenko
c3f4fc096b
spi: pxa2xx-pci: Extract pxa2xx_spi_pci_clk_register()
Extract pxa2xx_spi_pci_clk_register() from ->probe() in order to reuse it
later on for getting rid of max_clk_rate temporary storage.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220225172350.69797-9-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-02-28 12:10:25 +00:00
Andy Shevchenko
cb50f3f32a
spi: pxa2xx-pci: Drop unneeded checks in lpss_spi_setup()
All of the LPSS devices are using DMA and set the parameters up,
hence no need to test for that.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220225172350.69797-8-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-02-28 12:10:24 +00:00
Andy Shevchenko
7e425c3c3d
spi: pxa2xx-pci: Replace enum with direct use of PCI IDs
Instead of creating an abstraction on top of PCI IDs, just use them directly.
The corresponding enum can be dropped.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220225172350.69797-7-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-02-28 12:10:23 +00:00
Andy Shevchenko
03f8e04e9f
spi: pxa2xx-pci: Move max_clk_rate assignment to ->setup()
Move max_clk_rate to the corresponding ->setup() function to unify
with the rest.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220225172350.69797-6-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-02-28 12:10:22 +00:00
Andy Shevchenko
bd2e24de10
spi: pxa2xx-pci: Move dma_burst_size assignment to ->setup()
Instead of using conditional, move dma_burst_size to the corresponding
->setup() function.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220225172350.69797-5-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-02-28 12:10:21 +00:00
Andy Shevchenko
108607ce4e
spi: pxa2xx-pci: Move port_id assignment to ->setup()
Instead of using conditional, move port_id to the corresponding
->setup() functions.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220225172350.69797-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-02-28 12:10:20 +00:00
Andy Shevchenko
1d9d62959f
spi: pxa2xx-pci: Drop redundant NULL check in ->probe()
Since all platforms are using ->setup() function, drop unneeded check.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220225172350.69797-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-02-28 12:10:19 +00:00
Andy Shevchenko
71ea0e3ac7
spi: pxa2xx-pci: Refactor Quark X1000 to use ->setup()
Refactor Quark X1000 handling code to use ->setup() instead of using
the configuration data structure directly.

It will allow to refactor further to avoid intermediate storage for
the used configuration parameters.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220225172350.69797-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-02-28 12:10:18 +00:00
Andy Shevchenko
78e27f970f
spi: pxa2xx-pci: Refactor CE4100 to use ->setup()
Refactor CE4100 handling code to use ->setup() instead of spreading
potentially confusing conditional.

Besides that, it will allow to refactor further to avoid intermediate
storage for the used configuration parameters.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220225172350.69797-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-02-28 12:10:17 +00:00
Linus Torvalds
4b23c6ecef spi: Fixes for v5.17
A few small driver specific fixes.
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Merge tag 'spi-fix-v5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A few small driver specific fixes"

* tag 'spi-fix-v5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: rockchip: terminate dma transmission when slave abort
  spi: rockchip: Fix error in getting num-cs property
  spi: spi-zynq-qspi: Fix a NULL pointer dereference in zynq_qspi_exec_mem_op()
2022-02-25 12:37:41 -08:00
Mark Brown
952b4b70ab
Tegra QUAD SPI ACPI & device support
Merge series from Krishna Yarlagadda <kyarlagadda@nvidia.com>:

Add ACPI support for Tegra210 QUAD SPI driver and a new compatilbe.
2022-02-24 22:55:45 +00:00
Krishna Yarlagadda
ea23f0e148
spi: tegra210-quad: add new chips to compatible
Add support for Tegra234 and soc data to select capabilities.

Signed-off-by: Krishna Yarlagadda <kyarlagadda@nvidia.com>
Link: https://lore.kernel.org/r/20220222175611.58051-4-kyarlagadda@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-02-24 20:22:32 +00:00
Krishna Yarlagadda
ac982578e7
spi: tegra210-quad: use device_reset method
Use device_reset api to replace duplicate code in driver to call
reset_control_get api with reset handle.

Signed-off-by: Krishna Yarlagadda <kyarlagadda@nvidia.com>
Link: https://lore.kernel.org/r/20220222175611.58051-2-kyarlagadda@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-02-24 20:21:53 +00:00