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490ff95f8e
linux/drivers/mmc/core
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Ulf Hansson 490ff95f8e mmc: core: Convert to mmc_poll_for_busy() for HPI commands 
Rather than open coding the polling loop in mmc_interrupt_hpi(), let's
convert to use mmc_poll_for_busy().

Note that, moving to mmc_poll_for_busy() for HPI also improves the
behaviour according to below.

- Adds support for polling via the optional ->card_busy() host ops.
- Require R1_READY_FOR_DATA to be set in the CMD13 response before exiting
  the polling loop.
- Adds a throttling mechanism to avoid CPU hogging when polling.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Baolin Wang <baolin.wang7@gmail.com>
Tested-by: Ludovic Barre <ludovic.barre@st.com>
Reviewed-by: Ludovic Barre <ludovic.barre@st.com>
Link: https://lore.kernel.org/r/20200204085449.32585-11-ulf.hansson@linaro.org
2020-03-24 14:35:40 +01:00
..
block.c mmc: core: Enable re-use of mmc_blk_in_tran_state() 2020-03-24 14:35:39 +01:00
block.h
bus.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
bus.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
card.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00
core.c mmc: core: Convert to mmc_poll_for_busy() for erase/trim/discard 2020-03-24 14:35:40 +01:00
core.h mmc: core: Re-work HW reset for SDIO cards 2019-11-14 16:28:56 +01:00
debugfs.c MMC core: 2019-07-11 18:11:21 -07:00
host.c mmc: core: Remove mmc_gpiod_request_*(invert_gpio) 2019-12-18 13:37:07 +01:00
host.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile mmc: core: Move regulator helpers to separate file 2019-02-25 15:20:58 +01:00
mmc_ops.c mmc: core: Convert to mmc_poll_for_busy() for HPI commands 2020-03-24 14:35:40 +01:00
mmc_ops.h mmc: core: Convert to mmc_poll_for_busy() for HPI commands 2020-03-24 14:35:40 +01:00
mmc_test.c mmc: core: no need to check return value of debugfs_create functions 2019-06-17 13:30:49 +02:00
mmc.c mmc: core: Drop redundant in-parameter to __mmc_switch() 2020-03-24 14:35:39 +01:00
pwrseq_emmc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00
pwrseq_sd8787.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
pwrseq_simple.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00
pwrseq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00
pwrseq.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00
queue.c mmc: Add MMC host software queue support 2020-03-24 14:35:39 +01:00
queue.h mmc: stop abusing the request queue_lock pointer 2018-11-17 07:20:45 -07:00
quirks.h mmc: core: fix wl1251 sdio quirks 2019-11-15 09:59:19 +01:00
regulator.c mmc: core: Convert mmc_regulator_get_ocrmask() to static 2019-02-25 15:20:58 +01:00
sd_ops.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sd_ops.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sd.c mmc: core: Enable the MMC host software queue for the SD card 2020-03-24 14:35:39 +01:00
sd.h
sdio_bus.c mmc: core: Re-work HW reset for SDIO cards 2019-11-14 16:28:56 +01:00
sdio_bus.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sdio_cis.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sdio_cis.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sdio_io.c mmc: core: Add sdio_retune_hold_now() and sdio_retune_release() 2019-06-18 13:30:32 +02:00
sdio_irq.c mmc: core: Fixup processing of SDIO IRQs during system suspend/resume 2019-09-11 16:10:19 +02:00
sdio_ops.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sdio_ops.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sdio_uart.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sdio.c mmc: core: Re-work HW reset for SDIO cards 2019-11-14 16:28:56 +01:00
slot-gpio.c mmc: core: Remove mmc_gpiod_request_*(invert_gpio) 2019-12-18 13:37:07 +01:00
slot-gpio.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00