[GIT PULL] SPI updates for v4.21

From: Mark Brown
Date: Mon Dec 24 2018 - 14:10:54 EST

The following changes since commit 7566ec393f4161572ba6f11ad5171fd5d59b0fbd:

Linux 4.20-rc7 (2018-12-16 15:46:55 -0800)

are available in the Git repository at:

https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git tags/spi-v4.21

for you to fetch changes up to 74ff666bd7ba2da563f99f2a8af7bf9f20008bc9:

Merge remote-tracking branches 'spi/topic/mem' and 'spi/topic/mtd' into spi-next (2018-12-20 16:01:30 +0000)

spi: Updates for v4.21

The main thing this release has been a lot of work on the integration
with SPI NOR flashes, there's been some specific support for a while for
controller features designed to make them perform better but it's not
worked out as well as hoped so the interface has been redesigned in a
way that will hopefully do better - it's already been adopted by a
number of additional controllers so things are looking good. Otherwise
most of the work has been driver specific:

- Support for better integration with NOR flashes from Boris Brezillon
and Yogesh Narayan Gaur plus usage of it in several drivers.
- A big cleanup of the Rockchip driver from Emil Renner Berthing.
- Lots of performance improvements for bcm2835 from Lukas Wunner.
- Slave mode support for pxa2xx from Lubomir Rintel.
- Support for Macronix MXIC, Mediatek MT7629 and MT8183, NPCM PSPI,
and Renesas r8a77470.

Alok Chauhan (2):
spi: spi-geni-qcom: fix nitpicks
spi: spi-geni-qcom: Simplify probe function

Arnd Bergmann (1):
mtd: atmel-quadspi: disallow building on ebsa110

Boris Brezillon (4):
spi: spi-mem: Add missing word in the SPI_MEM_DATA_OUT description
spi: spi-mem: Add SPI_MEM_NO_DATA to the spi_mem_data_dir enum
spi: spi-mem: Split spi_mem_exec_op() code
spi: spi-mem: Add a new API to support direct mapping

Chuanhua Han (1):
spi: spi-fsl-dspi: use IRQF_SHARED mode to request IRQ

Clark Wang (4):
spi: lpspi: Replace all "master" with "controller"
spi: lpspi: Add slave mode support
spi: lpspi: Let watermark change with send data length
doc: lpspi: Document DT bindings for LPSPI slave mode

Colin Ian King (1):
spi: npcm: fix u32 csgpio being checked for less than zero

Dan Carpenter (1):
spi: npcm: Fix an error code in the probe function

Emil Renner Berthing (14):
spi: rockchip: make spi_enable_chip take bool
spi: rockchip: use designated init for dma config
spi: rockchip: always use SPI mode
spi: rockchip: use atomic_t state
spi: rockchip: disable spi on error
spi: rockchip: read transfer info directly
spi: rockchip: don't store dma channels twice
spi: rockchip: remove master pointer from dev data
spi: rockchip: simplify use_dma logic
spi: rockchip: set min/max speed
spi: rockchip: precompute rx sample delay
spi: rockchip: use irq rather than polling
spi: rockchip: support 4bit words
spi: rockchip: support lsb-first mode

Fabrizio Castro (2):
spi: rspi: Add r8a77470 to the compatible list
spi: sh-msiof: Add r8a774c0 support

Fredrik Ternerot (1):
spi: pl022: Handle cs_change for last transfer

Hoan Nguyen An (1):
spi: sh-msiof: Reduce the number of times write to and perform the transmission from FIFO

Jarkko Nikula (1):
spi: pxa2xx: Remove LPSS private register restoring during resume

Jay Fang (1):
spi: dw-mmio: add ACPI support

Keiji Hayashibara (2):
spi: uniphier: fix incorrect property items
spi: uniphier: re-add addressing properties

Leilk Liu (4):
spi: mediatek: Add bindings for mediatek MT8183 soc platform
spi: mediatek: add spi support for mt8183 IC
spi: mediatek: Add bindings for mediatek MT7629 soc platform
spi: mediatek: add spi support for mt7629 IC

Linus Walleij (1):
spi: gpio: Support 3WIRE high-impedance turn-around

Lubomir Rintel (7):
spi: pxa2xx: dt-bindings: Add spi-slave property
spi: Deal with slaves that return from transfer_one() unfinished
spi: pxa2xx: Add slave mode support
spi: pxa2xx: dt-bindings: Add ready GPIO signal
spi: pxa2xx: Add ready signal
spi: pxa2xx: Deal with the leftover garbage in TXFIFO
spi: pxa2xx: Fix '"CONFIG_OF" is not defined' warning

Lukas Wunner (10):
spi: bcm2835: Avoid finishing transfer prematurely in IRQ mode
spi: bcm2835: Fix book-keeping of DMA termination
spi: bcm2835: Fix race on DMA termination
spi: bcm2835: Drop unused code for native Chip Select
spi: bcm2835: Document struct bcm2835_spi
spi: bcm2835: Overcome sglist entry length limitation
spi: bcm2835: Unbreak the build of esoteric configs
spi: bcm2835: Polish transfer of DMA prologue
spi: bcm2835: Speed up FIFO access if fill level is known
spi: bcm2835: Synchronize with callback on DMA termination

Mark Brown (9):
Merge branch 'spi-4.20' into spi-4.21 for uniphier DT
spi: Fix core transfer waits after slave support
Merge branch 'spi-4.20' into spi-4.21 for bcm stuff.
Merge branch 'for-4.20' of https://git.kernel.org/.../broonie/spi into spi-4.21
spi: Fix formatting of header block
Merge branch 'topic/3wire-gpio' of https://git.kernel.org/.../broonie/spi into spi-4.21 mode conflict
Merge branch 'spi-4.20' into spi-linus
Merge branch 'spi-4.21' into spi-next
Merge remote-tracking branches 'spi/topic/mem' and 'spi/topic/mtd' into spi-next

Mason Yang (2):
spi: Add MXIC controller driver
dt-binding: spi: Document Macronix controller bindings

Olof Johansson (1):
spi: npcm: Fix uninitialized variable warning

Piotr Bugalski (6):
mtd: spi-nor: atmel-quaspi: Typo fix
mtd: spi-nor: atmel-quadspi: Add spi-mem support to atmel-quadspi
mtd: spi-nor: atmel-quadspi: Use spi-mem interface for atmel-quadspi driver
mtd: spi-nor: atmel-quadspi: Remove unused code from atmel-quadspi driver
spi: Add QuadSPI driver for Atmel SAMA5D2
dt-bindings: spi: QuadSPI driver for Atmel SAMA5D2

Radu Pirea (1):
spi: at91-usart: add power management support

Randy Dunlap (1):
spi: fix spi-at91-usart.c build errors when PINCTRL is not set

Rob Herring (1):
spi: Use of_node_name_eq for node name comparisons

Stefan Wahren (1):
spi: bcm2835: make license text and module license match

Tomer Maimon (4):
dt-binding: spi: add NPCM PSPI controller documentation
spi: npcm: add NPCM PSPI controller driver
spi: npcm: Modify pspi send function
spi: Update NPCM PSPI controller documentation

Uwe Kleine-König (5):
spi: imx: add a device specific prepare_message callback
spi: imx: mx51-ecspi: Move some initialisation to prepare_message hook.
spi: imx: style fixes
spi: imx: rename config callback and add useful parameters
spi: imx: drop useless member speed_hz from driver data struct

Vignesh R (2):
spi: omap-spi: Add compatible for AM654 SoC
spi: Kconfig: Enable McSPI driver for K3 platforms

Wolfram Sang (3):
spi: spi-sh-msiof: simplify getting .driver_data
spi: spi-zynqmp-gqspi: simplify getting .driver_data
spi: spi-rspi: simplify getting .driver_data

Yogesh Narayan Gaur (2):
spi: add support for octal mode I/O data transfer
spi: spi-mem: add support for octal mode I/O data transfer

kbuild test robot (1):
spi: npcm: fix platform_no_drv_owner.cocci warnings

.../bindings/{mtd => spi}/atmel-quadspi.txt | 0
.../devicetree/bindings/spi/nuvoton,npcm-pspi.txt | 43 ++
Documentation/devicetree/bindings/spi/omap-spi.txt | 1 +
Documentation/devicetree/bindings/spi/sh-msiof.txt | 1 +
.../devicetree/bindings/spi/spi-fsl-lpspi.txt | 4 +
.../devicetree/bindings/spi/spi-mt65xx.txt | 2 +
Documentation/devicetree/bindings/spi/spi-mxic.txt | 34 ++
.../devicetree/bindings/spi/spi-pxa2xx.txt | 3 +
Documentation/devicetree/bindings/spi/spi-rspi.txt | 1 +
.../devicetree/bindings/spi/spi-uniphier.txt | 4 +
drivers/mtd/spi-nor/Kconfig | 9 -
drivers/mtd/spi-nor/Makefile | 1 -
drivers/spi/Kconfig | 24 +-
drivers/spi/Makefile | 3 +
drivers/{mtd/spi-nor => spi}/atmel-quadspi.c | 528 +++++-------------
drivers/spi/spi-at91-usart.c | 62 +++
drivers/spi/spi-bcm2835.c | 496 ++++++++++++-----
drivers/spi/spi-bcm2835aux.c | 2 +-
drivers/spi/spi-dw-mmio.c | 8 +
drivers/spi/spi-dw.c | 1 +
drivers/spi/spi-fsl-dspi.c | 4 +-
drivers/spi/spi-fsl-lpspi.c | 202 ++++---
drivers/spi/spi-geni-qcom.c | 64 +--
drivers/spi/spi-gpio.c | 24 +-
drivers/spi/spi-imx.c | 156 ++++--
drivers/spi/spi-mem.c | 278 ++++++++-
drivers/spi/spi-mt65xx.c | 12 +
drivers/spi/spi-mxic.c | 619 +++++++++++++++++++++
drivers/spi/spi-npcm-pspi.c | 495 ++++++++++++++++
drivers/spi/spi-pl022.c | 14 +-
drivers/spi/spi-pxa2xx.c | 109 +++-
drivers/spi/spi-pxa2xx.h | 3 +
drivers/spi/spi-rockchip.c | 579 +++++++++----------
drivers/spi/spi-rspi.c | 6 +-
drivers/spi/spi-sh-msiof.c | 16 +-
drivers/spi/spi-zynqmp-gqspi.c | 6 +-
drivers/spi/spi.c | 84 ++-
include/linux/spi/pxa2xx_spi.h | 1 +
include/linux/spi/spi-mem.h | 84 ++-
include/linux/spi/spi.h | 5 +-
40 files changed, 2885 insertions(+), 1103 deletions(-)
rename Documentation/devicetree/bindings/{mtd => spi}/atmel-quadspi.txt (100%)
create mode 100644 Documentation/devicetree/bindings/spi/nuvoton,npcm-pspi.txt
create mode 100644 Documentation/devicetree/bindings/spi/spi-mxic.txt
rename drivers/{mtd/spi-nor => spi}/atmel-quadspi.c (53%)
create mode 100644 drivers/spi/spi-mxic.c
create mode 100644 drivers/spi/spi-npcm-pspi.c

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