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linux/drivers/spi
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Jan Kiszka e51e9b9304 spi: pxa2xx: Prepare for edge-triggered interrupts 
When using the a device with edge-triggered interrupts, such as MSIs,
the interrupt handler has to ensure that there is a point in time during
its execution where all interrupts sources are silent so that a new
event can trigger a new interrupt again.

This is achieved here by disabling all interrupt sources for a moment
before processing them according to the status register. If a new
interrupt should have arrived after we read the status, it will now
re-trigger the interrupt, even in edge mode.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Mark Brown <broonie@kernel.org>
2017-01-23 18:09:37 +00:00
..
Kconfig
Merge remote-tracking branches 'spi/topic/orion', 'spi/topic/pxa2xx', 'spi/topic/rspi' and 'spi/topic/s3c64xx' into spi-next
2016-12-12 15:54:17 +00:00
Makefile
Merge remote-tracking branches 'spi/topic/fsl-lpspi', 'spi/topic/imx', 'spi/topic/jcore' and 'spi/topic/omap' into spi-next
2016-12-12 15:54:14 +00:00
spi-adi-v3.c
…
spi-altera.c
…
spi-armada-3700.c
spi: Add support for Armada 3700 SPI Controller
2016-12-08 16:05:34 +00:00
spi-ath79.c
spi: ath79: Fix module autoload for OF registration
2016-11-23 16:42:46 +00:00
spi-atmel.c
Merge remote-tracking branches 'spi/topic/armada', 'spi/topic/ath79', 'spi/topic/atmel' and 'spi/topic/axi' into spi-next
2016-12-12 15:54:05 +00:00
spi-au1550.c
spi: au1550: Simplify au1550_spi_setupxfer()
2015-09-16 20:54:54 +01:00
spi-axi-spi-engine.c
spi: spi-axi: Fix module autoload
2016-11-23 16:42:08 +00:00
spi-bcm53xx.c
spi: bcm53xx: add spi_flash_read callback for MMIO-based reads
2016-04-18 13:53:46 +01:00
spi-bcm53xx.h
…
spi-bcm63xx-hsspi.c
…
spi-bcm63xx.c
Merge remote-tracking branches 'spi/topic/bcm63xx', 'spi/topic/butterfly', 'spi/topic/cadence' and 'spi/topic/davinci' into spi-next
2016-01-11 16:48:30 +00:00
spi-bcm2835.c
spi: bcm2835: Remove unnecessary workaround to call gpio_set_value
2016-02-15 20:43:39 +00:00
spi-bcm2835aux.c
Merge remote-tracking branches 'spi/topic/acpi', 'spi/topic/axi-engine', 'spi/topic/bcm2835' and 'spi/topic/bcm2835aux' into spi-next
2016-03-11 14:28:25 +07:00
spi-bcm-qspi.c
spi: iproc-qspi: Add Broadcom iProc SoCs support
2016-09-24 20:03:25 +01:00
spi-bcm-qspi.h
spi: iproc-qspi: Add Broadcom iProc SoCs support
2016-09-24 20:03:25 +01:00
spi-bfin5xx.c
spi: spi-bfin5xx: Remove deprecated create_singlethread_workqueue
2016-07-03 14:14:31 +02:00
spi-bfin-sport.c
spi: spi-bfin-sport: Remove deprecated create_singlethread_workqueue
2016-07-03 14:24:31 +02:00
spi-bitbang-txrx.h
…
spi-bitbang.c
spi: bitbang: switch to the generic implementation of transfer_one_message
2015-10-05 14:55:56 +01:00
spi-brcmstb-qspi.c
spi: brcmstb-qspi: Broadcom settop platform driver
2016-09-14 18:03:32 +01:00
spi-butterfly.c
spi: butterfly: use new parport device model
2015-12-02 19:38:16 +00:00
spi-cadence.c
spi: cadence: mark pm functions __maybe_unused
2016-04-18 10:58:49 +01:00
spi-cavium-octeon.c
spi: octeon: Split driver into Octeon specific and common parts
2016-07-24 21:54:29 +01:00
spi-cavium-thunderx.c
spi: spi-cavium-thunderx: Add missing clk_disable_unprepare()
2016-08-24 12:37:43 +01:00
spi-cavium.c
spi: octeon: Split driver into Octeon specific and common parts
2016-07-24 21:54:29 +01:00
spi-cavium.h
spi: octeon: Add ThunderX driver
2016-08-19 16:24:39 +01:00
spi-clps711x.c
spi: clps711x: Driver refactor
2016-07-07 11:44:43 +02:00
spi-coldfire-qspi.c
spi: spi-coldfire-qspi: enable RuntimePM before registering to the core
2015-10-12 17:02:08 +01:00
spi-davinci.c
spi: davinci: Use dma_request_chan() for requesting DMA channel
2016-04-29 18:15:15 +01:00
spi-dln2.c
spi: Drop duplicate code to set master->dev.parent
2016-04-26 11:56:09 +01:00
spi-dw-mid.c
spi: dw-mid: switch to new dmaengine_terminate_* API
2016-02-05 17:41:49 +00:00
spi-dw-mmio.c
spi: dw-mmio: remove message which is handled by core
2016-02-05 17:41:49 +00:00
spi-dw-pci.c
spi: dw-pci: Spelling s/paltforms/platforms/g
2016-05-11 18:26:19 +01:00
spi-dw.c
spi: dw: Set GPIO_SS flag to toggle Slave Select on GPIO CS
2016-10-11 12:29:04 +02:00
spi-dw.h
spi: dw: fix multiple slaves with different baudrates
2016-09-06 11:53:50 +01:00
spi-efm32.c
…
spi-ep93xx.c
spi: spi-ep93xx: Fix the PTR_ERR() argument
2016-05-24 16:54:50 +01:00
spi-falcon.c
…
spi-fsl-cpm.c
QE: Move QE from arch/powerpc to drivers/soc
2015-12-22 17:12:56 -06:00
spi-fsl-cpm.h
…
spi-fsl-dspi.c
Merge remote-tracking branches 'spi/topic/delay', 'spi/topic/dw', 'spi/topic/fsl-dspi' and 'spi/topic/fsl-espi' into spi-next
2016-12-12 15:54:09 +00:00
spi-fsl-espi.c
spi: fsl-espi: fix ioread16/iowrite16 endianness
2016-12-01 18:50:59 +00:00
spi-fsl-lib.c
…
spi-fsl-lib.h
spi: fsl-espi: separate fsl-espi from fsl-lib completely
2016-11-14 11:21:48 +00:00
spi-fsl-lpspi.c
spi: fsl-lpspi: quit reading rx fifo under error condition
2016-12-05 11:45:03 +00:00
spi-fsl-spi.c
spi: fsl-(e)spi: Fix checking return value of devm_ioremap_resource
2015-08-30 12:14:36 +01:00
spi-fsl-spi.h
…
spi-gpio.c
…
spi-img-spfi.c
spi: img-spfi: Remove spi_master_put in img_spfi_remove()
2016-07-27 19:00:16 +01:00
spi-imx.c
spi: imx: set spi_bus_clk for mx21 and mx27
2016-11-02 09:30:43 -06:00
spi-iproc-qspi.c
spi: iproc-qspi: Add Broadcom iProc SoCs support
2016-09-24 20:03:25 +01:00
spi-jcore.c
spi: jcore: Fix module autoload for OF registration
2016-11-23 16:42:20 +00:00
spi-lm70llp.c
spi: lm70llp: remove printk
2015-12-07 20:09:09 +00:00
spi-loopback-test.c
spi: loopback-test: mark rx_ranges_cmp() static
2016-09-01 20:54:54 +01:00
spi-lp8841-rtc.c
spi: lp-8841: return correct error code from probe
2016-02-26 11:06:38 +09:00
spi-meson-spifc.c
spi: meson: Add GXBB compatible
2016-09-12 20:11:39 +01:00
spi-mpc52xx-psc.c
spi: spi-mpc52xx-psc: Remove deprecated create_singlethread_workqueue
2016-07-03 14:23:25 +02:00
spi-mpc52xx.c
…
spi-mpc512x-psc.c
spi: mpc512x: Call mpc512x_psc_spi_transfer_setup() unconditionally
2015-09-17 12:33:31 +01:00
spi-mt65xx.c
spi: mediatek: remove spi_master_put in mtk_spi_remove()
2016-07-27 19:00:16 +01:00
spi-mxs.c
…
spi-nuc900.c
…
spi-oc-tiny.c
spi: oc-tiny: Use of_property_read_u32 instead of open-coding it
2015-09-16 19:16:01 +01:00
spi-omap2-mcspi.c
spi: omap2-mcspi: Remove redundant return value check of platform_get_resource()
2016-10-24 16:08:30 +01:00
spi-omap-100k.c
spi: omap-100k: Rely on validations done by spi core
2015-09-17 12:34:20 +01:00
spi-omap-uwire.c
spi: omap-uwire: Remove needless bits_per_word and speed_hz tests
2015-09-17 12:33:58 +01:00
spi-orion.c
spi: mvebu: fix baudrate calculation for armada variant
2016-12-08 17:54:51 +00:00
spi-pic32-sqi.c
spi: pic32-sqi: use list_move_tail and list_move
2016-08-08 11:56:40 +01:00
spi-pic32.c
spi: pic32: fixup wait_for_completion_timeout return handling
2016-07-24 21:49:16 +01:00
spi-pl022.c
spi: pl022: Remove obsolete struct pl022 members from kerneldoc
2016-02-17 12:08:55 +00:00
spi-ppc4xx.c
spi: bitbang: Replace spinlock by mutex
2015-09-17 12:13:40 +01:00
spi-pxa2xx-dma.c
spi: pxa2xx: Remove pointer to chip data from driver data
2016-09-12 20:01:27 +01:00
spi-pxa2xx-pci.c
spi: pxa2xx-pci: Enable DMA for Intel Merrifield
2017-01-04 18:36:41 +00:00
spi-pxa2xx.c
spi: pxa2xx: Prepare for edge-triggered interrupts
2017-01-23 18:09:37 +00:00
spi-pxa2xx.h
spi: spi-pxa2xx: Remove unused macro
2016-11-14 13:52:04 +00:00
spi-qup.c
Merge remote-tracking branches 'spi/topic/octeon', 'spi/topic/pic32-sqi', 'spi/topic/pxa2xx' and 'spi/topic/qup' into spi-next
2016-09-30 09:14:14 -07:00
spi-rb4xx.c
…
spi-rockchip.c
Merge remote-tracking branches 'spi/topic/pxa2xx', 'spi/topic/rockchip', 'spi/topic/s3c64xx', 'spi/topic/sh' and 'spi/topic/sh-msiof' into spi-next
2016-07-24 22:08:25 +01:00
spi-rspi.c
spi: rspi: avoid uninitialized variable access
2016-11-09 13:05:19 +00:00
spi-s3c24xx-fiq.h
…
spi-s3c24xx-fiq.S
…
spi-s3c24xx.c
spi: bitbang: Replace spinlock by mutex
2015-09-17 12:13:40 +01:00
spi-s3c64xx.c
spi: s3c64xx: restore removed comments
2016-07-14 17:28:32 +01:00
spi-sc18is602.c
spi: sc18is602: Change gpiod_set_value to gpiod_set_value_cansleep
2016-09-29 11:01:36 -07:00
spi-sh-hspi.c
…
spi-sh-msiof.c
spi: sh-msiof: Add support for R-Car M3-W
2016-11-21 18:30:36 +00:00
spi-sh-sci.c
…
spi-sh.c
spi: spi-sh: Remove deprecated create_singlethread_workqueue
2016-07-11 19:32:38 +01:00
spi-sirf.c
…
spi-st-ssc4.c
spi: st-ssc4: Fix misuse of devm_gpio_request/devm_gpio_free APIs
2016-09-14 16:05:35 +01:00
spi-sun4i.c
spi: sun4i: Allow transfers larger than FIFO size
2016-10-29 12:11:30 -06:00
spi-sun6i.c
spi: sun6i: Support Allwinner H3 SPI controller
2016-11-02 14:59:09 -06:00
spi-tegra20-sflash.c
…
spi-tegra20-slink.c
…
spi-tegra114.c
…
spi-test.h
spi: loopback: added additional non-power of 2 transfer lengthes
2015-12-13 20:10:15 +00:00
spi-ti-qspi.c
spi: spi-ti-qspi: reinit of completion variable
2016-11-15 18:37:01 +00:00
spi-tle62x0.c
spi: Drop owner assignment from spi_drivers
2015-10-28 10:30:17 +09:00
spi-topcliff-pch.c
spi: spi-topcliff-pch: Remove some dead code
2016-11-21 19:24:49 +00:00
spi-txx9.c
spi: spi-txx9: Add missing clock (un)prepare calls for CCF
2016-08-18 19:10:39 +01:00
spi-xcomm.c
…
spi-xilinx.c
spi: xilinx: Return IRQ_NONE if no interrupts were detected
2016-07-15 11:45:00 +01:00
spi-xlp.c
spi: xlp: Fix module autoload for OF registration
2016-11-23 16:42:32 +00:00
spi-xtensa-xtfpga.c
spi: xtensa-xtfpga: fix register endianness
2015-09-22 09:30:10 -07:00
spi-zynqmp-gqspi.c
spi: zynqmp: disable clocks in error paths
2016-05-04 14:21:03 +01:00
spi.c
Merge remote-tracking branches 'spi/topic/delay', 'spi/topic/dw', 'spi/topic/fsl-dspi' and 'spi/topic/fsl-espi' into spi-next
2016-12-12 15:54:09 +00:00
spidev.c
spi: spidev: Add device to spidev device tree compatibility list
2016-10-21 12:09:57 +01:00