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Chris Packham c90acce3cb spi: fsl-espi: Only process interrupts for expected events 
[ Upstream commit b867eef4cf ]

The SPIE register contains counts for the TX FIFO so any time the irq
handler was invoked we would attempt to process the RX/TX fifos. Use the
SPIM value to mask the events so that we only process interrupts that
were expected.

This was a latent issue exposed by commit 3282a3da25 ("powerpc/64:
Implement soft interrupt replay in C").

Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Link: https://lore.kernel.org/r/20200904002812.7300-1-chris.packham@alliedtelesis.co.nz
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-10-14 09:51:08 +02:00
..
Kconfig
spi: Prevent adding devices below an unregistering controller
2020-08-26 10:29:55 +02:00
Makefile
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
spi-adi-v3.c
…
spi-altera.c
spi: altera: Consolidate TX/RX data register access
2017-08-16 11:53:31 +01:00
spi-armada-3700.c
spi: a3700: Clear DATA_OUT when performing a read
2018-04-26 11:02:07 +02:00
spi-ath79.c
spi/ath79: Fix checkpatch warnings
2017-07-17 12:09:38 +01:00
spi-atmel.c
spi: atmel: fix handling of cs_change set on non-last xfer
2020-01-17 19:45:52 +01:00
spi-au1550.c
…
spi-axi-spi-engine.c
spi: spi-axi: fix potential use-after-free after deregistration
2017-12-10 13:40:39 +01:00
spi-bcm53xx.c
…
spi-bcm53xx.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
spi-bcm63xx-hsspi.c
Merge remote-tracking branches 'spi/topic/altera', 'spi/topic/at79', 'spi/topic/bcm-qspi', 'spi/topic/bcm63xx' and 'spi/topic/bcm63xx-hspi' into spi-next
2017-09-04 15:51:14 +01:00
spi-bcm63xx.c
spi/bcm63xx: fix error return code in bcm63xx_spi_probe()
2017-08-08 11:36:35 +01:00
spi-bcm2835.c
spi: bcm2835: Fix controller unregister order
2020-06-20 10:25:03 +02:00
spi-bcm2835aux.c
spi: bcm2835aux: Fix controller unregister order
2020-06-20 10:25:01 +02:00
spi-bcm-qspi.c
spi: bcm-qspi: when tx/rx buffer is NULL set to 0
2020-06-20 10:25:01 +02:00
spi-bcm-qspi.h
…
spi-bfin5xx.c
…
spi-bfin-sport.c
…
spi-bitbang-txrx.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
spi-bitbang.c
spi: bitbang: Fix NULL pointer dereference in spi_unregister_master
2019-07-10 09:54:31 +02:00
spi-brcmstb-qspi.c
…
spi-butterfly.c
…
spi-cadence.c
spi: cadence: Correct initialisation of runtime PM
2020-01-27 14:46:12 +01:00
spi-cavium-octeon.c
…
spi-cavium-thunderx.c
spi: spi-cavium-thunderx: Add missing pci_release_regions()
2020-01-12 12:11:53 +01:00
spi-cavium.c
…
spi-cavium.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
spi-clps711x.c
…
spi-coldfire-qspi.c
…
spi-davinci.c
spi: davinci: fix a NULL pointer dereference
2018-09-09 19:55:52 +02:00
spi-dln2.c
…
spi-dw-mid.c
spi: dw: Return any value retrieved from the dma_transfer callback
2020-06-20 10:25:14 +02:00
spi-dw-mmio.c
…
spi-dw-pci.c
…
spi-dw.c
spi: dw: Return any value retrieved from the dma_transfer callback
2020-06-20 10:25:14 +02:00
spi-dw.h
spi: spi-dw: Add lock protect dw_spi rx/tx to prevent concurrent calls
2020-02-05 14:18:06 +00:00
spi-efm32.c
…
spi-ep93xx.c
spi: spi-ep93xx: Use dma_data_direction for ep93xx_spi_dma_{finish,prepare}
2018-11-13 11:14:52 -08:00
spi-falcon.c
spi: spi-falcon: drop check of boot select
2017-09-01 11:33:22 +01:00
spi-fsl-cpm.c
…
spi-fsl-cpm.h
…
spi-fsl-dspi.c
spi: spi-fsl-dspi: Exit the ISR with IRQ_NONE when it's not ours
2020-07-29 07:42:52 +02:00
spi-fsl-espi.c
spi: fsl-espi: Only process interrupts for expected events
2020-10-14 09:51:08 +02:00
spi-fsl-lib.c
…
spi-fsl-lib.h
…
spi-fsl-lpspi.c
spi: fsl-lpspi: Prevent FIFO under/overrun by default
2019-11-24 08:23:28 +01:00
spi-fsl-spi.c
spi: spi-fsl-spi: call spi_finalize_current_message() at the end
2020-01-27 14:46:35 +01:00
spi-fsl-spi.h
…
spi-gpio.c
…
spi-img-spfi.c
spi: img-spfi: fix potential double release
2019-12-31 12:37:22 +01:00
spi-imx.c
spi: imx: mx51-ecspi: Move some initialisation to prepare_message hook.
2018-12-29 13:39:11 +01:00
spi-iproc-qspi.c
…
spi-jcore.c
…
spi-lantiq-ssc.c
spi: lantiq: fix: Rx overflow error in full duplex mode
2020-08-21 09:48:04 +02:00
spi-lm70llp.c
…
spi-loopback-test.c
spi: spi-loopback-test: Fix out-of-bounds read
2020-09-23 10:46:33 +02:00
spi-lp8841-rtc.c
…
spi-meson-spicc.c
spi: meson-spicc: Fix error handling in meson_spicc_probe()
2018-08-03 07:50:38 +02:00
spi-meson-spifc.c
…
spi-mpc52xx-psc.c
…
spi-mpc52xx.c
…
spi-mpc512x-psc.c
…
spi-mt65xx.c
spi: mediatek: use correct SPI_CFG2_REG MACRO
2020-07-29 07:42:55 +02:00
spi-mxs.c
…
spi-nuc900.c
…
spi-oc-tiny.c
…
spi-omap2-mcspi.c
spi: omap2-mcspi: Fix DMA and FIFO event trigger size mismatch
2019-12-01 09:14:14 +01:00
spi-omap-100k.c
…
spi-omap-uwire.c
…
spi-orion.c
spi: Convert to using %pOF instead of full_name
2017-07-19 11:56:23 +01:00
spi-pic32-sqi.c
…
spi-pic32.c
spi: pic32: Use proper enum in dmaengine_prep_slave_rg
2019-11-20 18:00:22 +01:00
spi-pl022.c
spi: pl022: constify amba_id
2017-08-23 17:12:05 +01:00
spi-ppc4xx.c
…
spi-pxa2xx-dma.c
…
spi-pxa2xx-pci.c
…
spi-pxa2xx.c
spi: pxa2xx: Apply CS clk quirk to BXT
2020-06-20 10:25:07 +02:00
spi-pxa2xx.h
spi: pxa2xx: Allow 64-bit DMA
2018-05-22 18:53:56 +02:00
spi-qup.c
spi: qup: call spi_qup_pm_resume_runtime before suspending
2020-04-02 16:34:11 +02:00
spi-rb4xx.c
…
spi-rockchip.c
spi: rockchip: initialize dma_slave_config properly
2019-11-24 08:23:33 +01:00
spi-rspi.c
spi: rspi: Fix sequencer reset during initialization
2019-05-31 06:47:35 -07:00
spi-s3c24xx-fiq.h
…
spi-s3c24xx-fiq.S
…
spi-s3c24xx.c
…
spi-s3c64xx.c
spi: spi-s3c64xx: Fix system resume support
2018-08-03 07:50:20 +02:00
spi-sc18is602.c
…
spi-sh-hspi.c
…
spi-sh-msiof.c
spi: sh-msiof: fix deferred probing
2019-12-01 09:13:21 +01:00
spi-sh-sci.c
…
spi-sh.c
spi: spi-sh: fix error return code in spi_sh_probe()
2017-08-09 17:18:06 +01:00
spi-sirf.c
spi: sirf: fix spelling mistake: "registerred" -> "registered"
2017-06-28 20:02:52 +01:00
spi-slave-system-control.c
spi: slave: Add SPI slave handler controlling system state
2017-05-26 13:12:19 +01:00
spi-slave-time.c
spi: slave: Add SPI slave handler reporting uptime at previous message
2017-05-26 13:12:04 +01:00
spi-st-ssc4.c
spi: st-ssc4: add missed pm_runtime_disable
2019-12-31 12:37:45 +01:00
spi-stm32.c
spi: stm32: fix stm32_spi_prepare_mbr in case of odd clk_rate
2020-09-03 11:22:29 +02:00
spi-sun4i.c
spi: sun4i: disable clocks in the remove function
2018-02-25 11:08:02 +01:00
spi-sun6i.c
spi: spi-sun6i: sun6i_spi_transfer_one(): fix setting of clock rate
2020-07-22 09:22:24 +02:00
spi-tegra20-sflash.c
spi: tegra20-sflash: explicitly request exclusive reset control
2017-07-19 17:06:31 +01:00
spi-tegra20-slink.c
spi: tegra20-slink: add missed clk_unprepare
2019-12-31 12:37:42 +01:00
spi-tegra114.c
spi: tegra114: configure dma burst size to fifo trig level
2020-01-27 14:46:28 +01:00
spi-test.h
…
spi-ti-qspi.c
spi: ti-qspi: Fix mmap read when more than one CS in use
2019-03-23 14:35:19 +01:00
spi-tle62x0.c
…
spi-topcliff-pch.c
spi/topcliff_pch: Fix potential NULL dereference on allocation error
2020-01-27 14:46:14 +01:00
spi-txx9.c
…
spi-xcomm.c
…
spi-xilinx.c
spi: xilinx: Detect stall with Unknown commands
2017-12-29 17:53:47 +01:00
spi-xlp.c
spi: xlp: fix error return code in xlp_spi_probe()
2017-08-08 11:36:07 +01:00
spi-xtensa-xtfpga.c
…
spi-zynqmp-gqspi.c
spi/zynqmp: remove entry that causes a cs glitch
2020-04-02 16:34:13 +02:00
spi.c
spi: Fix memory leak on splited transfers
2020-09-23 10:46:34 +02:00
spidev.c
spi: spidev: Align buffers for DMA
2020-08-21 09:48:15 +02:00