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linux/drivers/spi
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Rafał Miłecki 940ec770c2
spi: bcm-qspi: switch back to reading flash using smaller chunks 
Fixing/optimizing bcm_qspi_bspi_read() performance introduced two
changes:
1) It added a loop to read all requested data using multiple BSPI ops.
2) It bumped max size of a single BSPI block request from 256 to 512 B.

The later change resulted in occasional BSPI timeouts causing a
regression.

For some unknown reason hardware doesn't always handle reads as expected
when using 512 B chunks. In such cases it may happen that BSPI returns
amount of requested bytes without the last 1-3 ones. It provides the
remaining bytes later but doesn't raise an interrupt until another LR
start.

Switching back to 256 B reads fixes that problem and regression.

Fixes: 345309fa7c0c ("spi: bcm-qspi: Fix bcm_qspi_bspi_read() performance")
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
2018-10-11 15:00:34 +01:00
..
internals.h
spi: Add an helper to flush the message queue
2018-04-23 15:48:18 +01:00
Kconfig
spi: add SPI controller driver for UniPhier SoC
2018-08-01 11:22:37 +01:00
Makefile
spi: add SPI controller driver for UniPhier SoC
2018-08-01 11:22:37 +01:00
spi-altera.c
spi: altera: Consolidate TX/RX data register access
2017-08-16 11:53:31 +01:00
spi-armada-3700.c
Merge remote-tracking branches 'spi/topic/a3700', 'spi/topic/atmel', 'spi/topic/bcm53xx', 'spi/topic/davinci' and 'spi/topic/dw' into spi-next
2018-01-26 17:57:24 +00:00
spi-ath79.c
spi: add flags parameter to txrx_word function pointers
2018-08-01 14:50:24 +01:00
spi-atmel.c
spi: spi-atmel: Use correct enum for DMA transfer direction
2018-03-28 10:42:48 +08:00
spi-au1550.c
…
spi-axi-spi-engine.c
spi: spi-axi: fix potential use-after-free after deregistration
2017-10-31 11:15:10 +00:00
spi-bcm63xx-hsspi.c
spi/bcm63xx-hspi: Enable the clock before calling clk_get_rate().
2018-04-26 12:41:22 +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-bcm2835aux.c
spi: bcm2835aux: ensure interrupts are enabled for shared handler
2018-05-04 08:09:02 +09:00
spi-bcm-qspi.c
spi: bcm-qspi: switch back to reading flash using smaller chunks
2018-10-11 15:00:34 +01:00
spi-bcm-qspi.h
…
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: spi-gpio: add SPI_3WIRE support
2018-08-01 14:50:28 +01:00
spi-brcmstb-qspi.c
…
spi-butterfly.c
spi: add flags parameter to txrx_word function pointers
2018-08-01 14:50:24 +01:00
spi-cadence.c
spi: cadence: Change usleep_range() to udelay(), for atomic context
2018-06-18 13:05:38 +01:00
spi-cavium-octeon.c
…
spi-cavium-thunderx.c
…
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
treewide: devm_kzalloc() -> devm_kcalloc()
2018-06-12 16:19:22 -07:00
spi-dln2.c
…
spi-dw-mid.c
spi: dw: Convert to generalized SPI controller API
2018-02-12 12:04:16 +00:00
spi-dw-mmio.c
spi: dw-mmio: add MSCC Ocelot support
2018-07-30 12:02:08 +01:00
spi-dw-pci.c
…
spi-dw.c
spi: dw: export dw_spi_set_cs
2018-07-30 12:02:07 +01:00
spi-dw.h
spi: dw: export dw_spi_set_cs
2018-07-30 12:02:07 +01:00
spi-efm32.c
…
spi-ep93xx.c
treewide: devm_kzalloc() -> devm_kcalloc()
2018-06-12 16:19:22 -07:00
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: fix broken DSPI_EOQ_MODE
2018-08-28 20:55:23 +01:00
spi-fsl-espi.c
spi: spi-fsl-espi: Log fifo counters on error
2018-07-26 15:43:09 +01:00
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: lpspi: Switch to SPDX identifier
2018-05-03 10:28:08 +09:00
spi-fsl-spi.c
Merge remote-tracking branches 'spi/topic/devprop', 'spi/topic/fsl', 'spi/topic/fsl-dspi', 'spi/topic/imx' and 'spi/topic/lantiq' into spi-next
2017-04-26 15:58:04 +01:00
spi-fsl-spi.h
…
spi-gpio.c
spi: gpio: Fix copy-and-paste error
2018-09-04 17:21:17 +01:00
spi-img-spfi.c
spi: img-spfi: Set device select bits for SPFI port state
2018-07-30 16:31:54 +01:00
spi-imx.c
spi: imx: Use the longuest possible burst size when in dynamic_burst
2018-07-24 15:58:35 +01:00
spi-iproc-qspi.c
…
spi-jcore.c
spi: jcore: disable ref_clk after getting its rate
2018-03-18 17:57:42 -07:00
spi-lantiq-ssc.c
Merge remote-tracking branches 'spi/topic/devprop', 'spi/topic/fsl', 'spi/topic/fsl-dspi', 'spi/topic/imx' and 'spi/topic/lantiq' into spi-next
2017-04-26 15:58:04 +01:00
spi-lm70llp.c
spi: add flags parameter to txrx_word function pointers
2018-08-01 14:50:24 +01:00
spi-loopback-test.c
spi: loopback-test: implement testing with no CS
2017-07-26 13:08:56 +01:00
spi-lp8841-rtc.c
…
spi-mem.c
spi: spi-mem: Extend the SPI mem interface to set a custom memory name
2018-08-02 15:35:41 +01:00
spi-meson-spicc.c
spi: meson-spicc: Fix error handling in meson_spicc_probe()
2018-05-02 05:59:21 +09:00
spi-meson-spifc.c
…
spi-mpc52xx-psc.c
…
spi-mpc52xx.c
spi: mpc52xx: Use gpio_is_valid()
2018-04-27 12:05:39 +01:00
spi-mpc512x-psc.c
…
spi-mt65xx.c
spi: mediatek: add spi support for mt2712 IC
2017-06-20 13:39:14 +01:00
spi-mxs.c
spi: mxs: Switch to SPDX identifier
2018-05-03 10:27:43 +09:00
spi-nuc900.c
…
spi-oc-tiny.c
treewide: devm_kzalloc() -> devm_kcalloc()
2018-06-12 16:19:22 -07:00
spi-omap2-mcspi.c
spi: omap2-mcspi: remove several redundant variables
2018-07-30 16:08:12 +01:00
spi-omap-100k.c
…
spi-omap-uwire.c
…
spi-orion.c
spi: orion: fix CS GPIO handling again
2018-06-19 13:06:51 +01:00
spi-pic32-sqi.c
…
spi-pic32.c
spi: pic32: fix spelling mistakes on macro names
2017-07-26 13:04:21 +01:00
spi-pl022.c
treewide: devm_kzalloc() -> devm_kcalloc()
2018-06-12 16:19:22 -07:00
spi-ppc4xx.c
spi/ppc4xx: Use kcalloc() in spi_ppc4xx_of_probe()
2017-01-17 18:34:25 +00:00
spi-pxa2xx-dma.c
spi: pxa2xx: Use core message processing loop
2018-04-17 17:11:30 +01:00
spi-pxa2xx-pci.c
spi: pca2xx-pci: Allow MSI
2017-01-23 18:09:37 +00:00
spi-pxa2xx.c
spi: pxa2xx: Add support for Intel Ice Lake
2018-06-28 12:50:33 +01:00
spi-pxa2xx.h
spi: pxa2xx: Allow 64-bit DMA
2018-04-24 16:10:12 +01:00
spi-qup.c
spi: qup: fix 64-bit build warning
2017-08-10 15:50:23 +01:00
spi-rb4xx.c
…
spi-rockchip.c
spi: rockchip: configure CTRLR1 according to size and data frame
2017-08-16 11:58:23 +01:00
spi-rspi.c
spi: rspi: Fix interrupted DMA transfers
2018-09-05 12:40:12 +01:00
spi-s3c24xx-fiq.h
…
spi-s3c24xx-fiq.S
…
spi-s3c24xx.c
…
spi-s3c64xx.c
spi: spi-s3c64xx: Fix system resume support
2018-05-17 13:27:08 +09:00
spi-sc18is602.c
spi: sc18is602: Add OF device ID table
2017-02-22 10:50:09 -08:00
spi-sh-hspi.c
…
spi-sh-msiof.c
spi: sh-msiof: Fix handling of write value for SISTR register
2018-09-05 12:39:57 +01:00
spi-sh-sci.c
spi: add flags parameter to txrx_word function pointers
2018-08-01 14:50:24 +01:00
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: account for const type of of_device_id.data
2018-01-03 11:38:46 +00:00
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-sprd-adi.c
spi: sprd: Add the support of restarting the system
2018-03-21 09:55:19 +08:00
spi-st-ssc4.c
spi: st-ssc4: whitespace cleanup
2017-05-26 12:41:07 +01:00
spi-stm32.c
spi: stm32: Fix error handling in stm32_spi_probe()
2018-04-17 11:46:23 +01:00
spi-sun4i.c
spi: sun4i: disable clocks in the remove function
2017-12-07 11:59:15 +00:00
spi-sun6i.c
spi: sun6i: disable/unprepare clocks on remove
2017-12-07 17:45:17 +00:00
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: explicitly enable/disable clock
2018-09-03 12:23:41 +01:00
spi-tegra114.c
spi: tegra114: correct register name in definition
2017-10-09 10:16:38 +01:00
spi-test.h
spi: loopback-test: add elapsed time check
2017-03-17 21:54:08 +00:00
spi-ti-qspi.c
spi: ti-qspi: Make sure res_mmap != NULL before dereferencing it
2018-05-17 13:36:00 +09:00
spi-tle62x0.c
…
spi-topcliff-pch.c
spi/topcliff-pch: Delete an error message for a failed memory allocation in pch_spi_set_tx()
2017-01-17 18:38:02 +00:00
spi-txx9.c
…
spi-uniphier.c
spi: uniphier: remove unnecessary include headers
2018-08-02 11:08:06 +01:00
spi-xcomm.c
…
spi-xilinx.c
spi: xilinx: Add support for xlnx,axi-quad-spi-1.00.a
2017-11-27 16:31:20 +00:00
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: add flags parameter to txrx_word function pointers
2018-08-01 14:50:24 +01:00
spi-zynqmp-gqspi.c
spi: simplify getting .drvdata
2018-04-20 17:53:20 +01:00
spi.c
spi: Fix double IDR allocation with DT aliases
2018-08-28 20:46:27 +01:00
spidev.c
Merge branch 'for-spi' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-07-08 10:41:53 -07:00