linux/drivers/spi
Alexander Kochetkov ae0f18bef3
spi: spi-sun6i: enable autosuspend feature
If SPI is used for periodic polling any sensor, significant delays
sometimes appear. Switching on module clocks during resume lead to delays.
Enabling autosuspend mode causes the controller to not suspend between
SPI transfers and the delays disappear.

The commit also remove unnecessary call to pm_runtime_idle() used
to explicit put device to suspended state. Without pm_runtime_idle() PM
core will put device in the suspended state just after probe() returns.

Signed-off-by: Alexander Kochetkov <al.kochet@gmail.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20201019150343.2520-1-akochetkov@lintech.ru
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-10-26 23:29:05 +00:00
..
atmel-quadspi.c spi: atmel-quadspi: Use optimezed memcpy_fromio()/memcpy_toio() 2020-07-17 00:55:24 +01:00
internals.h
Kconfig ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
Makefile ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
spi-altera.c spi: altera: fix module autoload 2020-06-24 16:37:47 +01:00
spi-amd.c spi: spi-amd: Do not define 'struct acpi_device_id' when !CONFIG_ACPI 2020-07-17 16:38:56 +01:00
spi-ar934x.c spi: add driver for ar934x spi controller 2020-02-11 11:37:30 +00:00
spi-armada-3700.c spi: a3700: Remove a useless memset 2020-08-18 17:52:37 +01:00
spi-at91-usart.c spi: spi-at91-usart: Remove unused OF table 'struct of_device_id' 2020-07-17 16:38:54 +01:00
spi-ath79.c
spi-atmel.c sound updates for 5.10 2020-10-15 11:07:44 -07:00
spi-au1550.c
spi-axi-spi-engine.c spi: spi-axi-spi-engine: Access register after clock initialization 2020-04-09 18:46:53 +01:00
spi-bcm-qspi.c spi: bcm-qspi: Fix probe regression on iProc platforms 2020-09-24 12:09:46 +01:00
spi-bcm-qspi.h
spi-bcm63xx-hsspi.c spi: bcm63xx-hsspi: add reset support 2020-06-17 14:29:58 +01:00
spi-bcm63xx.c spi: bcm63xx-spi: add reset support 2020-06-17 14:29:58 +01:00
spi-bcm2835.c spi: bcm2835: Make polling_limit_us static 2020-09-15 16:48:38 +01:00
spi-bcm2835aux.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
spi-bitbang-txrx.h
spi-bitbang.c spi: spi-bitbang: Demote obvious misuse of kerneldoc to standard comment blocks 2020-07-17 16:38:45 +01:00
spi-brcmstb-qspi.c
spi-butterfly.c
spi-cadence-quadspi.c Merge remote-tracking branch 'spi/for-5.10' into spi-next 2020-10-09 16:01:22 +01:00
spi-cadence.c spi: cadence: Add SPI transfer delays 2020-10-09 16:00:47 +01:00
spi-cavium-octeon.c
spi-cavium-thunderx.c spi: spi-cavium-thunderx: flag controller as half duplex 2020-06-16 00:38:39 +01:00
spi-cavium.c
spi-cavium.h
spi-clps711x.c
spi-coldfire-qspi.c spi: coldfire-qspi: Use clk_prepare_enable and clk_disable_unprepare 2020-07-17 00:55:26 +01:00
spi-davinci.c Remove uninitialized_var() macro for v5.9-rc1 2020-08-04 13:49:43 -07:00
spi-dln2.c
spi-dw-bt1.c spi: dw: Add Baikal-T1 SPI Controller glue driver 2020-10-08 23:00:22 +01:00
spi-dw-core.c spi: dw: Add poll-based SPI transfers support 2020-10-08 23:00:21 +01:00
spi-dw-dma.c spi: dw: Add generic DW SSI status-check method 2020-10-08 23:00:18 +01:00
spi-dw-mmio.c spi: dw: Add DWC SSI capability 2020-10-08 23:00:06 +01:00
spi-dw-pci.c spi: dw: Add DWC SSI capability 2020-10-08 23:00:06 +01:00
spi-dw.h spi: dw: Introduce max mem-ops SPI bus frequency setting 2020-10-08 23:00:20 +01:00
spi-efm32.c spi: efm32: Convert to use GPIO descriptors 2020-03-27 15:52:23 +00:00
spi-ep93xx.c spi: spi-ep93xx: Fix API slippage 2020-07-17 16:38:47 +01:00
spi-falcon.c
spi-fsi.c spi: fsi: Check mux status before transfers 2020-09-17 19:31:43 +01:00
spi-fsl-cpm.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
spi-fsl-cpm.h
spi-fsl-dspi.c Merge remote-tracking branch 'spi/for-5.10' into spi-next 2020-10-09 16:01:22 +01:00
spi-fsl-espi.c Merge remote-tracking branch 'spi/for-5.10' into spi-next 2020-10-09 16:01:22 +01:00
spi-fsl-lib.c
spi-fsl-lib.h
spi-fsl-lpspi.c spi: lpspi: Remove CONFIG_PM_SLEEP ifdefery 2020-08-18 17:52:36 +01:00
spi-fsl-qspi.c spi: Fix SPI NOR and SPI NAND acronyms 2020-07-17 00:55:25 +01:00
spi-fsl-spi.c spi: fsl: add missing __iomem annotation 2020-07-01 23:21:26 +01:00
spi-fsl-spi.h
spi-geni-qcom.c spi: spi-geni-qcom: Don't wait to start 1st transfer if transmitting 2020-09-14 15:50:16 +01:00
spi-gpio.c
spi-hisi-sfc-v3xx.c spi: hisi-sfc-v3xx: fix spelling mistake "occured" -> "occurred" 2020-09-28 20:33:56 +01:00
spi-img-spfi.c spi: img-spfi: Convert to use GPIO descriptors 2020-07-01 23:21:29 +01:00
spi-imx.c Merge existing fixes from spi/for-5.10 2020-10-26 20:28:19 +00:00
spi-iproc-qspi.c
spi-jcore.c remove ioremap_nocache and devm_ioremap_nocache 2020-01-06 09:45:59 +01:00
spi-lantiq-ssc.c spi: lantiq: remove redundant irqsave and irqrestore in hardIRQ 2020-09-17 19:56:02 +01:00
spi-lm70llp.c
spi-loopback-test.c spi: spi-loopback-test: Fix out-of-bounds read 2020-09-02 19:38:24 +01:00
spi-lp8841-rtc.c
spi-mem.c spi: spi-mem: allow specifying a command's extension 2020-07-14 17:29:38 +01:00
spi-meson-spicc.c spi: spi-meson-spicc: Remove set but never used variable 'data' from meson_spicc_reset_fifo() 2020-07-17 16:38:48 +01:00
spi-meson-spifc.c spi: spi-meson-spifc: Fix misdocumenting of 'dev' in 'struct meson_spifc' 2020-07-17 16:38:48 +01:00
spi-mpc52xx-psc.c
spi-mpc52xx.c
spi-mpc512x-psc.c
spi-mt65xx.c spi: mediatek: add spi support for mt8192 IC 2020-07-22 01:56:00 +01:00
spi-mt7621.c
spi-mtk-nor.c spi: spi-mtk-nor: Add power management support 2020-10-06 15:53:47 +01:00
spi-mux.c spi: spi-mux: Simplify with dev_err_probe() 2020-09-08 18:19:27 +01:00
spi-mxic.c spi: spi-mem: allow specifying a command's extension 2020-07-14 17:29:38 +01:00
spi-mxs.c spi: mxs: Drop GPIO includes 2020-03-17 13:20:16 +00:00
spi-npcm-fiu.c spi: npcm-fiu: simplify the return expression of npcm_fiu_probe() 2020-09-22 01:04:19 +01:00
spi-npcm-pspi.c spi: npcm-pspi: Convert to use GPIO descriptors 2020-07-01 23:21:28 +01:00
spi-nxp-fspi.c spi: spi-nxp-fspi: Add ACPI support 2020-09-17 19:56:03 +01:00
spi-oc-tiny.c SPI SUBSYSTEM: Replace HTTP links with HTTPS ones 2020-07-09 22:41:11 +01:00
spi-omap-100k.c spi: omap-100k: Drop include 2020-07-14 17:38:46 +01:00
spi-omap-uwire.c spi: omap-uwire: Use clk_prepare_enable and clk_disable_unprepare 2020-07-15 15:58:33 +01:00
spi-omap2-mcspi.c spi: omap2-mcspi: Improve performance waiting for CHSTAT 2020-09-22 01:04:20 +01:00
spi-orion.c spi: Fix SPI NOR and SPI NAND acronyms 2020-07-17 00:55:25 +01:00
spi-pic32-sqi.c
spi-pic32.c spi: pic32: Retire dma_request_slave_channel_compat() 2019-11-22 19:53:41 +00:00
spi-pl022.c spi: spi-pl022: Provide missing struct attribute/function param docs 2020-07-17 16:38:50 +01:00
spi-ppc4xx.c spi: ppc4xx: Convert to use GPIO descriptors 2020-07-22 01:55:52 +01:00
spi-pxa2xx-dma.c
spi-pxa2xx-pci.c
spi-pxa2xx.c spi: spi-pxa2xx: Do not define 'struct acpi_device_id' when !CONFIG_ACPI 2020-07-17 16:38:55 +01:00
spi-pxa2xx.h
spi-qcom-qspi.c spi: spi-qcom-qspi: replace spin_lock_irqsave by spin_lock in hard IRQ 2020-09-14 15:50:10 +01:00
spi-qup.c spi: qup: remove redundant assignment to variable ret 2020-09-14 15:50:04 +01:00
spi-rb4xx.c spi: rb4xx: update driver to be device tree aware 2020-05-22 14:13:17 +01:00
spi-rockchip.c spi: rockchip: enable autosuspend feature 2020-10-26 23:29:04 +00:00
spi-rpc-if.c spi: add Renesas RPC-IF driver 2020-06-16 00:38:38 +01:00
spi-rspi.c spi: rspi: Fill in controller speed limits 2020-08-20 22:38:17 +01:00
spi-s3c24xx-regs.h ARM: s3c24xx: move regs-spi.h into spi driver 2020-08-19 21:40:14 +02:00
spi-s3c24xx.c ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
spi-s3c64xx.c spi: spi-s3c64xx: Turn on interrupts upon resume 2020-10-02 21:54:24 +01:00
spi-sc18is602.c spi: sc18is602: Fix a typo in MODULE_DESCRIPTION 2020-04-14 12:39:37 +01:00
spi-sh-hspi.c
spi-sh-msiof.c spi: spi-sh-msiof: Fix checkpatch error Complex macros should use () 2020-04-14 18:36:34 +01:00
spi-sh-sci.c
spi-sh.c
spi-sifive.c spi: sifive: disable clk when probe fails and remove 2019-11-04 13:26:11 +00:00
spi-sirf.c spi: sirf: Use dma_request_chan() instead dma_request_slave_channel() 2019-12-16 11:57:36 +00:00
spi-slave-mt27xx.c
spi-slave-system-control.c
spi-slave-time.c
spi-sprd-adi.c spi: sprd: Simplify with dev_err_probe() 2020-09-14 15:50:17 +01:00
spi-sprd.c spi: sprd: Simplify with dev_err_probe() 2020-09-14 15:50:17 +01:00
spi-st-ssc4.c spi: st-ssc4: add missed pm_runtime_disable 2019-11-18 12:59:11 +00:00
spi-stm32-qspi.c spi: stm32-qspi: Fix error path in case of -EPROBE_DEFER 2020-06-17 13:26:41 +01:00
spi-stm32.c Merge remote-tracking branch 'spi/for-5.10' into spi-next 2020-10-09 16:01:22 +01:00
spi-sun4i.c spi: sun4i: update max transfer size reported 2020-07-27 14:55:21 +01:00
spi-sun6i.c spi: spi-sun6i: enable autosuspend feature 2020-10-26 23:29:05 +00:00
spi-synquacer.c spi: synquacer: Simplify with dev_err_probe() 2020-09-08 18:19:29 +01:00
spi-tegra20-sflash.c spi: spi-tegra20-sflash: remove redundant irqsave and irqrestore in hardIRQ 2020-10-01 23:45:27 +01:00
spi-tegra20-slink.c spi: tegra20: Simplify with dev_err_probe() 2020-09-08 18:19:31 +01:00
spi-tegra114.c spi: tegra114: Simplify with dev_err_probe() 2020-09-08 18:19:30 +01:00
spi-test.h
spi-ti-qspi.c SPI SUBSYSTEM: Replace HTTP links with HTTPS ones 2020-07-09 22:41:11 +01:00
spi-tle62x0.c
spi-topcliff-pch.c spi/topcliff-pch: drop double zeroing 2020-09-21 17:56:38 +01:00
spi-txx9.c spi: txx9: Convert to use GPIO descriptors 2019-10-30 14:14:32 +00:00
spi-uniphier.c spi: uniphier: Use devm_platform_get_and_ioremap_resource() to simplify code 2020-05-11 18:17:52 +01:00
spi-xcomm.c
spi-xilinx.c spi: xilinx: Fix info message during probe 2020-09-17 19:56:01 +01:00
spi-xlp.c
spi-xtensa-xtfpga.c
spi-zynq-qspi.c spi: spi-zynq-qspi: Add description for 2 missing attributes/parameters 2020-07-17 16:38:51 +01:00
spi-zynqmp-gqspi.c spi: spi-zynqmp-gqspi: Fix incorrect indentation 2020-09-24 12:59:29 +01:00
spi.c spi: Fixes for v5.9 2020-09-11 11:35:55 -07:00
spidev.c spi: spidev: Remove redundant initialization of variable status 2020-09-09 16:27:46 +01:00