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93c23ae385
linux/drivers/mmc/host
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Douglas Anderson 93c23ae385 mmc: dw_mmc: Cleanup the DTO timer like the CTO one 
The recent CTO timer introduced in commit 03de19212e ("mmc: dw_mmc:
introduce timer for broken command transfer over scheme") was causing
observable problems due to race conditions.  Previous patches have
fixed those race conditions.

It can be observed that these same race conditions ought to be
theoretically possible with the DTO timer too though they are
massively less likely to happen because the data timeout is always set
to 0xffffff right now.  That means even at a 200 MHz card clock we
were arming the DTO timer for 94 ms:
  >>> (0xffffff * 1000. / 200000000) + 10
  93.886075

We always also were setting the DTO timer _after_ starting the
transfer, unlike how the old code was seting the CTO timer.

In any case, even though the DTO timer is much less likely to have
races, it still makes sense to add code to handle it _just in case_.

Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2017-11-02 15:20:41 +01:00
..
android-goldfish.c mmc: android-goldfish: remove logically dead code in goldfish_mmc_irq() 2017-08-30 14:01:23 +02:00
atmel-mci.c mmc: Convert timers to use timer_setup() 2017-11-02 15:20:28 +01:00
au1xmmc.c
bcm2835.c mmc: bcm2835: constify mmc_host_ops structures 2017-08-30 14:01:45 +02:00
bfin_sdh.c mmc: bfin_sdh: remove the MMC_DATA_STREAM flag 2016-02-29 11:02:59 +01:00
cavium-octeon.c mmc: cavium-octeon: Convert to use module_platform_driver 2017-08-30 15:03:38 +02:00
cavium-thunderx.c mmc: cavium: Fix use-after-free in of_platform_device_destroy 2017-09-08 15:38:22 +02:00
cavium.c mmc: cavium: catch all errors when getting regulators 2017-10-30 11:50:33 +01:00
cavium.h mmc: cavium: Add scatter-gather DMA support 2017-04-24 21:42:10 +02:00
cb710-mmc.c
cb710-mmc.h mmc: cb710: use to_platform_device() 2016-01-05 18:04:57 +01:00
davinci_mmc.c mmc: davinci: constify mmc_host_ops structures 2017-08-30 14:01:41 +02:00
dw_mmc-exynos.c mmc: dw_mmc: use the 'slot' instead of 'cur_slot' 2017-06-29 17:14:26 +02:00
dw_mmc-exynos.h
dw_mmc-k3.c mmc: dw_mmc-k3: make array hs_timing_cfg static 2017-10-30 11:46:01 +01:00
dw_mmc-pci.c mmc: dw_mmc: Remove the public dw_mmc header file 2017-02-13 13:19:59 +01:00
dw_mmc-pltfm.c mmc: dw_mmc: Remove the public dw_mmc header file 2017-02-13 13:19:59 +01:00
dw_mmc-pltfm.h
dw_mmc-rockchip.c mmc: dw_mmc-rockchip: parse rockchip, desired-num-phases from DT 2017-06-29 17:13:59 +02:00
dw_mmc-zx.c mmc: dw_mmc: zx: Initial support for ZX mmc controller 2017-02-13 13:20:03 +01:00
dw_mmc-zx.h mmc: dw_mmc: zx: Initial support for ZX mmc controller 2017-02-13 13:20:03 +01:00
dw_mmc.c mmc: dw_mmc: Cleanup the DTO timer like the CTO one 2017-11-02 15:20:41 +01:00
dw_mmc.h mmc: dw_mmc: correct outdated comment for use_dma 2017-10-30 11:45:55 +01:00
jz4740_mmc.c mmc: Convert timers to use timer_setup() 2017-11-02 15:20:28 +01:00
Kconfig mmc: meson-mx-sdio: Add a driver for the Amlogic Meson8 and Meson8b SoCs 2017-10-30 11:46:02 +01:00
Makefile mmc: meson-mx-sdio: Add a driver for the Amlogic Meson8 and Meson8b SoCs 2017-10-30 11:46:02 +01:00
meson-gx-mmc.c mmc: meson-gx-mmc: catch all errors when getting regulators 2017-10-30 11:50:34 +01:00
meson-mx-sdio.c mmc: Convert timers to use timer_setup() 2017-11-02 15:20:28 +01:00
mmc_spi.c mmc: use new core function mmc_get_dma_dir 2017-04-24 21:41:52 +02:00
mmci_qcom_dml.c scripts/spelling.txt: add "intialization" pattern and fix typo instances 2017-02-27 18:43:47 -08:00
mmci_qcom_dml.h
mmci.c mmc: mmci: catch all errors when getting regulators 2017-10-30 11:50:35 +01:00
mmci.h mmc: core/mmci: restore pre/post_req behaviour 2017-02-13 13:20:52 +01:00
moxart-mmc.c mmc: moxart: constify mmc_host_ops structures 2017-08-30 14:01:41 +02:00
mtk-sd.c mmc: mediatek: perfer to use rise edge latching for cmd line 2017-11-02 15:20:27 +01:00
mvsdio.c mmc: Convert timers to use timer_setup() 2017-11-02 15:20:28 +01:00
mvsdio.h
mxcmmc.c mmc: Convert timers to use timer_setup() 2017-11-02 15:20:28 +01:00
mxs-mmc.c mmc: mxs-mmc: Implement CMD23 support 2017-02-13 13:20:27 +01:00
of_mmc_spi.c mmc: of_mmc_spi: fix restricted cast warning of sparse 2017-08-30 14:01:45 +02:00
omap_hsmmc.c mmc: omap_hsmmc: catch all errors when getting regulators 2017-10-30 11:50:36 +01:00
omap.c mmc: Convert timers to use timer_setup() 2017-11-02 15:20:28 +01:00
pxamci.c mmc: Delete bounce buffer handling 2017-10-04 10:22:55 +02:00
pxamci.h
renesas_sdhi_core.c mmc: sdhi: use maximum width for the sdbuf register 2017-08-30 14:01:59 +02:00
renesas_sdhi_internal_dmac.c mmc: renesas_sdhi: implement R-Car Gen[123] fallback compatibility strings 2017-10-30 11:50:40 +01:00
renesas_sdhi_sys_dmac.c mmc: renesas_sdhi: implement R-Car Gen[123] fallback compatibility strings 2017-10-30 11:50:40 +01:00
renesas_sdhi.h mmc: tmio, renesas-sdhi: add max_{segs, blk_count} to tmio_mmc_data 2017-08-30 14:01:21 +02:00
rtsx_pci_sdmmc.c mmc: rtsx: fix tuning fail on gen3 PCI-Express 2017-10-30 11:45:53 +01:00
rtsx_usb_sdmmc.c mmc: rtsx_usb_sdmmc: make array 'width' static const 2017-08-30 14:01:27 +02:00
s3cmci.c mmc: s3cmci: constify mmc_host_ops structures 2017-08-30 14:01:40 +02:00
s3cmci.h mmc: s3cmci: Register cpufreq notifier only on S3C24xx 2016-07-25 10:34:46 +02:00
sdhci_f_sdh30.c mmc: sdhci-pltfm: Drop define for SDHCI_PLTFM_PMOPS 2016-07-29 11:29:04 +02:00
sdhci-acpi.c mmc: sdhci-acpi: Fix voltage switch for some Intel host controllers 2017-11-02 15:20:28 +01:00
sdhci-bcm-kona.c mmc: sdhci-bcm-kona: constify sdhci_pltfm_data and sdhci_ops structures 2017-08-30 14:01:52 +02:00
sdhci-brcmstb.c mmc: sdhci: enable/disable the clock in sdhci_pltfm_suspend/resume 2017-08-30 15:03:44 +02:00
sdhci-cadence.c mmc: sdhci-cadence: use bitfield access macros for cleanup 2017-10-30 11:50:32 +01:00
sdhci-cns3xxx.c mmc: sdhci-pltfm: Drop define for SDHCI_PLTFM_PMOPS 2016-07-29 11:29:04 +02:00
sdhci-dove.c mmc: sdhci-pltfm: Drop define for SDHCI_PLTFM_PMOPS 2016-07-29 11:29:04 +02:00
sdhci-esdhc-imx.c mmc: sdhci-esdhc-imx: Remove the ENGcm07207 workaround 2017-06-20 10:30:34 +02:00
sdhci-esdhc.h mmc: sdhci-of-esdhc: support ESDHC_CAPABILITIES_1 accessing 2017-08-30 15:03:36 +02:00
sdhci-iproc.c mmc: sdhci-iproc: suppress spurious interrupt with Multiblock read 2017-05-22 18:18:04 +02:00
sdhci-msm.c mmc: sdhci-msm: fix x86 build error 2017-10-30 11:46:04 +01:00
sdhci-of-arasan.c mmc: sdhci-of-arasan: constify sdhci_pltfm_data and sdhci_ops structures 2017-08-30 14:01:53 +02:00
sdhci-of-at91.c mmc: sdhci-of-at91: make function sdhci_at91_set_uhs_signaling static 2017-10-30 11:46:01 +01:00
sdhci-of-esdhc.c mmc: sdhci-of-esdhc: disable SD clock for clock value 0 2017-10-30 11:40:09 +01:00
sdhci-of-hlwd.c mmc: sdhci-pltfm: Drop define for SDHCI_PLTFM_PMOPS 2016-07-29 11:29:04 +02:00
sdhci-omap.c mmc: sdhci-omap: make three functions static, fixes warnings 2017-10-02 08:18:11 +02:00
sdhci-pci-core.c mmc: sdhci-pci: Tidy o2micro definitions 2017-10-30 11:50:41 +01:00
sdhci-pci-data.c mmc: sdhci-pci: Use ACPI DSM to get driver strength for some Intel devices 2017-04-24 21:41:28 +02:00
sdhci-pci-o2micro.c mmc: sdhci-pci: Tidy o2micro definitions 2017-10-30 11:50:41 +01:00
sdhci-pci.h mmc: sdhci-pci: Tidy o2micro definitions 2017-10-30 11:50:41 +01:00
sdhci-pic32.c mmc: sdhci: constify sdhci_pltfm_data structures 2017-08-30 14:01:51 +02:00
sdhci-pltfm.c mmc: sdhci-pltfm: export sdhci_pltfm_suspend/resume 2017-08-30 15:03:45 +02:00
sdhci-pltfm.h mmc: sdhci-pltfm: export sdhci_pltfm_suspend/resume 2017-08-30 15:03:45 +02:00
sdhci-pxav2.c mmc: sdhci-pxav2: switch to managed clk and sdhci_pltfm_unregister() 2017-08-30 15:03:44 +02:00
sdhci-pxav3.c mmc: sdhci: constify sdhci_pltfm_data structures 2017-08-30 14:01:51 +02:00
sdhci-s3c.c mmc: sdhci-s3c: Fix driver data for Exynos4 SoCs 2017-10-30 11:46:00 +01:00
sdhci-sirf.c mmc: sdhci: enable/disable the clock in sdhci_pltfm_suspend/resume 2017-08-30 15:03:44 +02:00
sdhci-spear.c mmc: sdhci: Let drivers decide whether to use mmc_retune_needed() with pm 2017-04-24 21:41:26 +02:00
sdhci-st.c mmc: sdhci-st: explicitly request exclusive reset control 2017-08-30 14:01:37 +02:00
sdhci-tegra.c mmc: tegra: Mark 64 bit dma broken on Tegra186 2017-10-30 11:40:07 +01:00
sdhci-xenon-phy.c mmc: sdhci-xenon: Support HS400 Enhanced Strobe feature 2017-08-30 15:03:43 +02:00
sdhci-xenon.c mmc: sdhci-xenon: Fix clock resource by adding an optional bus clock 2017-10-04 10:50:36 +02:00
sdhci-xenon.h mmc: sdhci-xenon: Fix clock resource by adding an optional bus clock 2017-10-04 10:50:36 +02:00
sdhci.c mmc: Convert timers to use timer_setup() 2017-11-02 15:20:28 +01:00
sdhci.h mmc: sdhci: Add quirk to indicate MMC_RSP_136 has CRC 2017-08-30 15:03:43 +02:00
sdricoh_cs.c mmc: sdricoh_cs: constify mmc_host_ops structures 2017-08-30 14:01:44 +02:00
sh_mmcif.c mmc: sh_mmcif: constify mmc_host_ops structures 2017-08-30 14:01:42 +02:00
sunxi-mmc.c mmc: sunxi: drop superfluous error message 2017-10-30 11:46:03 +01:00
tifm_sd.c mmc: Convert timers to use timer_setup() 2017-11-02 15:20:28 +01:00
tmio_mmc_core.c mmc: tmio: Use common error handling code in tmio_mmc_host_probe() 2017-11-02 15:20:29 +01:00
tmio_mmc.c mmc: tmio: improve checkpatch cleanness 2017-06-20 10:30:50 +02:00
tmio_mmc.h mmc: tmio: no magic values when enabling DMA 2017-08-30 14:01:25 +02:00
toshsd.c mmc: toshsd: constify mmc_host_ops structures 2017-08-30 14:01:42 +02:00
toshsd.h
usdhi6rol0.c mmc: usdhi6rol0: catch all errors when getting regulators 2017-10-30 11:50:37 +01:00
ushc.c mmc: ushc: fix NULL-deref at probe 2017-03-16 15:31:27 +01:00
via-sdmmc.c mmc: Convert timers to use timer_setup() 2017-11-02 15:20:28 +01:00
vub300.c mmc: vub300: Use common code in __download_offload_pseudocode() 2017-11-02 15:20:29 +01:00
wbsd.c mmc: Convert timers to use timer_setup() 2017-11-02 15:20:28 +01:00
wbsd.h
wmt-sdmmc.c mmc: wmt-sdmmc: Handle return value of clk_prepare_enable 2017-08-30 14:01:55 +02:00