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linux/drivers/mmc/host
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Adrian Hunter 027fb89e61 mmc: sdhci-pci: Do not disable interrupts in sdhci_intel_set_power 
Disabling interrupts for even a millisecond can cause problems for some
devices. That can happen when Intel host controllers wait for the present
state to propagate.

The spin lock is not necessary here. Anything that is racing with changes
to the I/O state is already broken. The mmc core already provides
synchronization via "claiming" the host.

Although the spin lock probably should be removed from the code paths that
lead to this point, such a patch would touch too much code to be suitable
for stable trees. Consequently, for this patch, just drop the spin lock
while waiting.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org # v4.9+
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Ludovic Desroches <ludovic.desroches@microchip.com>
2017-03-23 09:24:42 +01:00
..
android-goldfish.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
atmel-mci.c
au1xmmc.c
bfin_sdh.c
cb710-mmc.c
cb710-mmc.h
davinci_mmc.c mmc: host: Include interrupt.h in mmc host drivers that depends on it 2017-02-13 13:20:01 +01:00
dw_mmc-exynos.c mmc: dw_mmc: Remove the public dw_mmc header file 2017-02-13 13:19:59 +01:00
dw_mmc-exynos.h
dw_mmc-k3.c mmc: dw_mmc: Remove the public dw_mmc header file 2017-02-13 13:19:59 +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: Remove the public dw_mmc header file 2017-02-13 13:19:59 +01:00
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: silent verbose log when calling from PM context 2017-02-13 13:20:53 +01:00
dw_mmc.h mmc: dw_mmc: Add fifo watermark alignment property 2017-02-13 13:20:02 +01:00
jz4740_mmc.c mmc: delete is_first_req parameter from pre-request callback 2016-11-29 09:05:27 +01:00
Kconfig mmc: dw_mmc: zx: Initial support for ZX mmc controller 2017-02-13 13:20:03 +01:00
Makefile mmc: dw_mmc: zx: Initial support for ZX mmc controller 2017-02-13 13:20:03 +01:00
meson-gx-mmc.c mmc: meson-gx: add support for HS400 mode 2017-02-14 09:10:58 +01:00
mmc_spi.c
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: core/mmci: restore pre/post_req behaviour 2017-02-13 13:20:52 +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: fix wait_for_completion_interruptible_timeout return variable type 2016-09-26 21:31:07 +02:00
mtk-sd.c mmc: mediatek: Fixed bug where clock frequency could be set wrong 2017-03-16 13:24:38 +01:00
mvsdio.c
mvsdio.h
mxcmmc.c
mxs-mmc.c mmc: mxs-mmc: Implement CMD23 support 2017-02-13 13:20:27 +01:00
of_mmc_spi.c
omap_hsmmc.c mmc: host: omap_hsmmc: avoid possible overflow of timeout value 2017-02-13 13:20:55 +01:00
omap.c mmc: omap: Don't use mmc_card_present() when validating for inserted card 2017-02-13 13:20:23 +01:00
pxamci.c
pxamci.h
rtsx_pci_sdmmc.c mmc: use empty initializer list to zero-clear structures 2017-02-13 13:19:54 +01:00
rtsx_usb_sdmmc.c mmc: use empty initializer list to zero-clear structures 2017-02-13 13:19:54 +01:00
s3cmci.c mmc: s3cmci: include linux/interrupt.h for tasklet_struct 2017-02-13 13:20:19 +01:00
s3cmci.h
sdhci_f_sdh30.c
sdhci-acpi.c mmc: sdhci-acpi: support deferred probe 2017-02-13 13:20:26 +01:00
sdhci-bcm-kona.c mmc: sdhci-bcm-kona: fix error return code in sdhci_bcm_kona_probe() 2016-09-26 21:31:08 +02:00
sdhci-brcmstb.c mmc: sdhci-brcmstb: Fix incorrect capability 2016-09-26 21:31:28 +02:00
sdhci-cadence.c mmc: sdhci-cadence: fix bit shift of read data from PHY port 2017-02-15 11:32:14 +01:00
sdhci-cns3xxx.c
sdhci-dove.c
sdhci-esdhc-imx.c mmc: sdhci-esdhc-imx: Correct two register accesses 2016-10-13 08:58:03 +02:00
sdhci-esdhc.h mmc: sdhci-of-esdhc: avoid clock glitch when frequency is changing 2017-02-13 13:20:15 +01:00
sdhci-iproc.c mmc: sdhci-iproc: Increase max_blk_size for bcm2835 2017-02-13 13:19:55 +01:00
sdhci-msm.c mmc: sdhci-msm: Remove unnecessary comments of CDC init sequence 2017-02-13 13:20:46 +01:00
sdhci-of-arasan.c mmc: sdhci-of-arasan: fix incorrect timeout clock 2017-03-14 16:06:52 +01:00
sdhci-of-at91.c mmc: sdhci-of-at91: Support external regulators 2017-03-16 15:24:28 +01:00
sdhci-of-esdhc.c mmc: sdhci-of-esdhc: avoid clock glitch when frequency is changing 2017-02-13 13:20:15 +01:00
sdhci-of-hlwd.c
sdhci-pci-core.c mmc: sdhci-pci: Do not disable interrupts in sdhci_intel_set_power 2017-03-23 09:24:42 +01:00
sdhci-pci-data.c
sdhci-pci-o2micro.c
sdhci-pci-o2micro.h
sdhci-pci.h mmc: sdhci-pci: Remove unused member cd_con_id 2017-02-13 13:20:06 +01:00
sdhci-pic32.c
sdhci-pltfm.c mmc: sdhci: Remove ->platform_init() callback as it's no longer used 2016-09-26 21:31:16 +02:00
sdhci-pltfm.h mmc: sdhci: remove unneeded (void *) casts in sdhci_(pltfm_)priv() 2016-11-29 09:01:00 +01:00
sdhci-pxav2.c
sdhci-pxav3.c mmc: sdhci: Rename sdhci_set_power() to sdhci_set_power_noreg() 2016-10-10 14:20:41 +02:00
sdhci-s3c.c mmc: sdhci-s3c: use the bitops API for bit operation 2017-02-13 13:20:36 +01:00
sdhci-sirf.c
sdhci-spear.c
sdhci-st.c
sdhci-tegra.c mmc: tegra: Mark 64-bit DMA broken on Tegra124 2016-09-26 21:31:23 +02:00
sdhci.c mmc: sdhci: Do not disable interrupts while waiting for clock 2017-03-23 09:24:04 +01:00
sdhci.h mmc: host: Include interrupt.h in mmc host drivers that depends on it 2017-02-13 13:20:01 +01:00
sdricoh_cs.c
sh_mmcif.c mmc: sh_mmcif: Remove unused clk_ctrl2_present from the platform data 2017-02-13 13:19:58 +01:00
sh_mobile_sdhi.c mmc: sh_mobile_sdhi: add support for 2 clocks 2017-02-13 13:20:41 +01:00
sunxi-mmc.c mmc: sunxi: Add more debug informations 2017-02-13 13:20:52 +01:00
tifm_sd.c
tmio_mmc_dma.c
tmio_mmc_pio.c mmc: tmio: discard obsolete SDIO irqs before enabling irqs 2017-02-13 13:20:35 +01:00
tmio_mmc.c
tmio_mmc.h mmc: tmio: discard obsolete SDIO irqs before enabling irqs 2017-02-13 13:20:35 +01:00
toshsd.c
toshsd.h
usdhi6rol0.c
ushc.c mmc: ushc: fix NULL-deref at probe 2017-03-16 15:31:27 +01:00
via-sdmmc.c mmc: host: Include interrupt.h in mmc host drivers that depends on it 2017-02-13 13:20:01 +01:00
vub300.c mmc: vub300: Don't use mmc_card_present() when validating for inserted card 2017-02-13 13:20:23 +01:00
wbsd.c mmc: wbsd: safer check if dma_addr is valid DMA address 2017-02-13 13:20:26 +01:00
wbsd.h
wmt-sdmmc.c mmc: host: Include interrupt.h in mmc host drivers that depends on it 2017-02-13 13:20:01 +01:00