AuxXxilium/linux_dsm_epyc7002
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cc21d0b4b6
linux_dsm_epyc7002/drivers/i2c/busses
History
Wolfram Sang cc21d0b4b6 i2c: rcar: init new messages in irq 
Setting up new messages was done in process context while handling a
message was in interrupt context. Because of the HW design, this IP core
is sensitive to timing, so the context switches were too expensive. Move
this setup to interrupt context as well.

In my test setup, this fixed the occasional 'data byte sent twice' issue
which a number of people have seen. It also fixes to send REP_START
after a read message which was wrongly send as a STOP + START sequence
before.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2015-11-30 14:21:29 +01:00
..
i2c-acorn.c i2c: acorn: is tristate and should use module.h 2014-01-24 18:21:11 +01:00
i2c-ali15x3.c i2c: remove FSF address 2014-11-07 18:35:33 +01:00
i2c-ali1535.c i2c: remove FSF address 2014-11-07 18:35:33 +01:00
i2c-ali1563.c i2c: ali1563: fix checkpatch.pl issues 2014-05-22 10:09:21 +02:00
i2c-amd756-s4882.c i2c: remove FSF address 2014-11-07 18:35:33 +01:00
i2c-amd756.c i2c: remove FSF address 2014-11-07 18:35:33 +01:00
i2c-amd8111.c i2c: remove DEFINE_PCI_DEVICE_TABLE macro 2014-03-13 09:44:59 +01:00
i2c-at91.c i2c: at91: manage unexpected RXRDY flag when starting a transfer 2015-10-26 15:44:59 +01:00
i2c-au1550.c i2c: au1550: Convert to devm_kzalloc and devm_ioremap_resource 2015-10-23 23:31:11 +02:00
i2c-axxia.c i2c: axxia: Add bus recovery functionality 2015-06-03 00:40:16 +09:00
i2c-bcm2835.c i2c: busses: i2c-bcm2835: limits cdiv to allowed values 2015-06-23 19:55:19 +02:00
i2c-bcm-iproc.c i2c: iproc: Add suspend/resume support 2015-06-03 03:04:53 +09:00
i2c-bcm-kona.c i2c: busses: drop owner assignment from platform_drivers 2014-10-20 16:20:37 +02:00
i2c-bfin-twi.c i2c: Fix typo in i2c-bfin-twi.c 2015-07-31 13:32:31 +02:00
i2c-brcmstb.c i2c: brcmstb: Add Broadcom settop SoC i2c controller driver 2015-06-10 22:02:57 +09:00
i2c-cadence.c i2c: cadence: set THIS_MODULE to the owner of the adapter 2015-08-10 08:37:38 +02:00
i2c-cbus-gpio.c i2c: busses: drop owner assignment from platform_drivers 2014-10-20 16:20:37 +02:00
i2c-cpm.c i2c: cpm: make use of the new infrastructure for quirks 2015-03-13 15:10:54 +01:00
i2c-cros-ec-tunnel.c mfd: cros_ec: Use a zero-length array for command data 2015-06-15 13:18:19 +01:00
i2c-davinci.c i2c: davinci: Optimize clock generation on Keystone SoC 2015-10-20 17:05:16 +02:00
i2c-designware-baytrail.c i2c: designware-baytrail: baytrail_i2c_acquire() might sleep 2015-03-07 01:08:26 +01:00
i2c-designware-core.c i2c: designware: Move common probe code into i2c_dw_probe() 2015-10-15 14:09:37 +02:00
i2c-designware-core.h i2c: designware: Move common probe code into i2c_dw_probe() 2015-10-15 14:09:37 +02:00
i2c-designware-pcidrv.c i2c: add ACPI support for I2C mux ports 2015-10-25 15:49:46 +01:00
i2c-designware-platdrv.c Merge branch 'i2c/for-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2015-11-10 11:58:25 -08:00
i2c-digicolor.c i2c: digicolor: remove duplicate include 2015-04-23 19:35:32 +02:00
i2c-diolan-u2c.c i2c: remove unnecessary OOM messages 2014-06-02 19:24:33 +02:00
i2c-dln2.c i2c: dln2: set the device tree node of the adapter 2015-03-27 16:56:21 +01:00
i2c-efm32.c i2c: busses: drop owner assignment from platform_drivers 2014-10-20 16:20:37 +02:00
i2c-eg20t.c i2c: remove FSF address 2014-11-07 18:35:33 +01:00
i2c-elektor.c i2c: remove FSF address 2014-11-07 18:35:33 +01:00
i2c-emev2.c i2c: emev2: add driver 2015-08-10 08:37:29 +02:00
i2c-exynos5.c Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
i2c-gpio.c i2c: busses: drop owner assignment from platform_drivers 2014-10-20 16:20:37 +02:00
i2c-highlander.c i2c: busses: drop owner assignment from platform_drivers 2014-10-20 16:20:37 +02:00
i2c-hix5hd2.c i2c: hix5hd2: Fix modalias to make module auto-loading work 2015-05-12 18:09:33 +02:00
i2c-hydra.c i2c: remove FSF address 2014-11-07 18:35:33 +01:00
i2c-i801.c i2c: i801: add Intel Lewisburg device IDs 2015-11-20 16:22:21 +01:00
i2c-ibm_iic.c i2c: ibm-iic: Fix module autoload for OF platform driver 2015-10-20 18:14:01 +02:00
i2c-ibm_iic.h i2c-ibm_iic: Whitespace cleanup 2008-01-27 18:14:45 +01:00
i2c-img-scb.c i2c: img-scb: verify support for requested bit rate 2015-10-10 08:40:11 +01:00
i2c-imx.c i2c: imx: fix a compiling error 2015-11-20 15:58:22 +01:00
i2c-iop3xx.c i2c: busses: drop owner assignment from platform_drivers 2014-10-20 16:20:37 +02:00
i2c-iop3xx.h i2c: remove FSF address 2014-11-07 18:35:33 +01:00
i2c-isch.c Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
i2c-ismt.c Merge branch 'i2c/for-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2015-11-10 11:58:25 -08:00
i2c-jz4780.c i2c: jz4780: Fix return value if probe fails 2015-07-09 22:17:31 +02:00
i2c-kempld.c i2c: busses: drop owner assignment from platform_drivers 2014-10-20 16:20:37 +02:00
i2c-lpc2k.c i2c: lpc2k: add driver 2015-08-24 14:05:18 +02:00
i2c-meson.c i2c: meson: Fix module autoload for OF platform driver 2015-10-20 18:14:36 +02:00
i2c-mpc.c i2c: mpc: Fix ISR return value 2015-03-27 16:53:41 +01:00
i2c-mt65xx.c i2c: mediatek: add i2c resume support 2015-10-23 21:58:32 +02:00
i2c-mv64xxx.c i2c: mv64xxx: really allow I2C offloading 2015-10-22 14:47:45 +02:00
i2c-mxs.c i2c: constify platform_device_id 2015-05-12 18:27:48 +02:00
i2c-nforce2-s4985.c i2c: remove FSF address 2014-11-07 18:35:33 +01:00
i2c-nforce2.c i2c: remove FSF address 2014-11-07 18:35:33 +01:00
i2c-nomadik.c i2c: nomadik: match status to return type of read_i2c 2015-03-15 10:51:13 +01:00
i2c-ocores.c i2c: ocores: support big-endian register layout 2015-10-20 17:47:45 +02:00
i2c-octeon.c i2c: octeon: remove unused signal handling 2015-06-17 14:50:03 +02:00
i2c-omap.c i2c: omap: fix cleanup regression 2015-08-10 08:37:33 +02:00
i2c-opal.c i2c: opal: Update quirk flags to do write-then-anything 2015-03-14 12:08:21 +01:00
i2c-parport-light.c Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
i2c-parport.c i2c: parport: start using pr_fmt 2015-08-10 08:37:28 +02:00
i2c-parport.h i2c: parport: Add VCT-jig adapter 2015-08-10 08:37:34 +02:00
i2c-pasemi.c i2c: remove FSF address 2014-11-07 18:35:33 +01:00
i2c-pca-isa.c i2c: remove FSF address 2014-11-07 18:35:33 +01:00
i2c-pca-platform.c i2c: pca-platform: fix broken email address 2015-04-23 19:35:30 +02:00
i2c-piix4.c i2c-piix4: Use Macro for AMD CZ SMBus device ID 2015-06-16 08:58:06 +02:00
i2c-pmcmsp.c i2c: pmcmsp: make use of the new infrastructure for quirks 2015-03-13 15:10:58 +01:00
i2c-pnx.c Merge branch 'i2c/for-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2015-11-10 11:58:25 -08:00
i2c-powermac.c i2c: powermac: make use of the new infrastructure for quirks 2015-03-13 15:10:57 +01:00
i2c-puv3.c i2c: busses: drop owner assignment from platform_drivers 2014-10-20 16:20:37 +02:00
i2c-pxa-pci.c i2c: remove DEFINE_PCI_DEVICE_TABLE macro 2014-03-13 09:44:59 +01:00
i2c-pxa.c i2c: pxa: Add support for pxa910/988 & new configuration features 2015-10-25 09:36:43 +01:00
i2c-qup.c i2c: qup: make use of the new infrastructure for quirks 2015-03-13 15:10:53 +01:00
i2c-rcar.c i2c: rcar: init new messages in irq 2015-11-30 14:21:29 +01:00
i2c-riic.c i2c: busses: drop owner assignment from platform_drivers 2014-10-20 16:20:37 +02:00
i2c-rk3x.c i2c: rk3x: Fix module autoload for OF platform driver 2015-10-20 18:15:03 +02:00
i2c-robotfuzz-osif.c i2c: Add bus driver for for OSIF USB i2c device. 2014-01-13 13:56:56 +01:00
i2c-s3c2410.c i2c: s3c2410: enable RuntimePM before registering to the core 2015-10-15 14:26:07 +02:00
i2c-scmi.c i2c: delete non-required instances of include <linux/init.h> 2014-01-24 18:24:31 +01:00
i2c-sh7760.c i2c: busses: drop owner assignment from platform_drivers 2014-10-20 16:20:37 +02:00
i2c-sh_mobile.c i2c: sh_mobile: add support for r8a7795 (R-Car H3) 2015-10-20 18:10:20 +02:00
i2c-sibyte.c i2c: remove FSF address 2014-11-07 18:35:33 +01:00
i2c-simtec.c Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
i2c-sirf.c i2c: sirf: tune the divider to make i2c bus freq more accurate 2015-10-23 22:48:45 +02:00
i2c-sis96x.c i2c: remove FSF address 2014-11-07 18:35:33 +01:00
i2c-sis630.c i2c: remove FSF address 2014-11-07 18:35:33 +01:00
i2c-sis5595.c i2c: remove FSF address 2014-11-07 18:35:33 +01:00
i2c-st.c i2c: st: add include for pinctrl 2015-04-23 19:35:33 +02:00
i2c-stu300.c i2c: stu300: Fix module autoload for OF platform driver 2015-10-20 18:15:39 +02:00
i2c-sun6i-p2wi.c i2c: busses: drop owner assignment from platform_drivers 2014-10-20 16:20:37 +02:00
i2c-taos-evm.c i2c: remove FSF address 2014-11-07 18:35:33 +01:00
i2c-tegra.c i2c: tegra: drop duplicated code for assigning algo 2015-10-20 17:38:19 +02:00
i2c-tiny-usb.c i2c: i2c-tiny-usb: Remove RobotFuzz USB vendor:product ID 2014-01-13 13:56:52 +01:00
i2c-uniphier-f.c i2c: uniphier_f: add UniPhier FIFO-builtin I2C driver 2015-10-23 21:55:46 +02:00
i2c-uniphier.c i2c: uniphier: add UniPhier FIFO-less I2C driver 2015-10-23 21:55:45 +02:00
i2c-versatile.c i2c: busses: drop owner assignment from platform_drivers 2014-10-20 16:20:37 +02:00
i2c-via.c i2c: remove FSF address 2014-11-07 18:35:33 +01:00
i2c-viapro.c i2c: remove FSF address 2014-11-07 18:35:33 +01:00
i2c-viperboard.c i2c: viperboard: clean up inconsistent indenting 2015-08-10 08:37:38 +02:00
i2c-wmt.c i2c: wmt: match return type of wait_for_completion_timeout 2015-03-15 10:29:53 +01:00
i2c-xgene-slimpro.c i2c: xgene-slimpro: dma_mapping_error() doesn't return an error code 2015-08-24 14:23:31 +02:00
i2c-xiic.c i2c: xiic: Prevent concurrent running of the IRQ handler and __xiic_start_xfer() 2015-11-20 16:15:35 +01:00
i2c-xlp9xx.c i2c: xlp9xx: Driver for Netlogic XLP9XX/5XX I2C controller 2015-04-10 18:59:49 +02:00
i2c-xlr.c i2c: busses: drop owner assignment from platform_drivers 2014-10-20 16:20:37 +02:00
Kconfig i2c: i801: add Intel Lewisburg device IDs 2015-11-20 16:22:21 +01:00
Makefile i2c: uniphier_f: add UniPhier FIFO-builtin I2C driver 2015-10-23 21:55:46 +02:00
scx200_acb.c Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00