AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/drivers/mmc/core
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Shawn Lin 4f25580fb8 mmc: core: changes frequency to hs_max_dtr when selecting hs400es 
Per JESD84-B51 P49, Host need to change frequency to <=52MHz
after setting HS_TIMING to 0x1, and host may changes frequency
to <= 200MHz after setting HS_TIMING to 0x3. That means the card
expects the clock rate to increase from the current used f_init
(which is less than 400KHz, but still being less than 52MHz) to
52MHz, otherwise we find some eMMC devices significantly report
failure when sending status.

Reported-by: Xiao Yao <xiaoyao@rock-chips.com>
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-10-10 14:01:15 +02:00
..
bus.c mmc: core: implement enhanced strobe support 2016-07-25 10:34:05 +02:00
bus.h mmc: rename dev_to_mmc_card() to mmc_dev_to_card() 2010-10-23 21:11:12 +08:00
core.c mmc: core: don't try to switch block size for dual rate mode 2016-09-26 21:31:34 +02:00
core.h mmc: fix mmc_{un,}register_pm_notifier prototypes 2015-12-22 11:32:09 +01:00
debugfs.c mmc: debugfs: add HS400 enhanced strobe description 2016-07-25 10:34:06 +02:00
host.c mmc: core: expose MMC_CAP2_NO_* to dt 2016-07-25 10:34:49 +02:00
host.h mmc: host: Add facility to support re-tuning 2015-06-01 09:06:53 +02:00
Kconfig mmc: pwrseq: convert to proper platform device 2016-05-02 10:33:30 +02:00
Makefile mmc: pwrseq: convert to proper platform device 2016-05-02 10:33:30 +02:00
mmc_ops.c mmc: mmc: fix switch timeout issue caused by jiffies precision 2016-07-25 10:34:09 +02:00
mmc_ops.h mmc: core: Convert __mmc_switch() into an internal core function 2015-10-26 15:59:54 +01:00
mmc.c mmc: core: changes frequency to hs_max_dtr when selecting hs400es 2016-10-10 14:01:15 +02:00
pwrseq_emmc.c mmc: pwrseq: convert to proper platform device 2016-05-02 10:33:30 +02:00
pwrseq_simple.c mmc: pwrseq-simple: Add an optional post-power-on-delay 2016-09-26 21:31:07 +02:00
pwrseq.c mmc: pwrseq: convert to proper platform device 2016-05-02 10:33:30 +02:00
pwrseq.h mmc: pwrseq: convert to proper platform device 2016-05-02 10:33:30 +02:00
quirks.c mmc: core: Disable HPI for certain Hynix eMMC cards 2016-07-25 10:34:12 +02:00
sd_ops.c mmc: remove unnecessary assignment statements before return 2016-02-29 11:02:47 +01:00
sd_ops.h mmc: add erase, secure erase, trim and secure trim operations 2010-08-12 08:43:30 -07:00
sd.c mmc: sd: Export SD Status via “ssr” device attribute 2016-09-26 21:31:09 +02:00
sd.h mmc: drop the speed mode of card's state 2014-05-12 18:05:53 -04:00
sdio_bus.c mmc: enable MMC/SD/SDIO device to suspend/resume asynchronously 2015-12-22 11:32:16 +01:00
sdio_bus.h mmc: basic SDIO device model 2007-09-23 19:45:31 +02:00
sdio_cis.c mmc: sdio: fall back to SDIO 1.0 for broken 1.1 cards 2016-05-16 11:31:27 +02:00
sdio_cis.h sdio: split up common and function CIS parsing 2007-09-23 20:44:22 +02:00
sdio_io.c mmc: sdio: deploy error handling instead of triggering BUG_ON 2016-09-26 21:31:15 +02:00
sdio_irq.c mmc: core: Remove MMC_CLKGATE 2015-10-26 16:00:09 +01:00
sdio_ops.c mmc: sdio: deploy error handling instead of triggering BUG_ON 2016-09-26 21:31:15 +02:00
sdio_ops.h mmc: Add mmc_is_io_op helper function 2015-10-26 16:00:01 +01:00
sdio.c mmc: core: remove redundant memset of sdio_read_cccr 2016-03-17 14:54:41 +01:00
slot-gpio.c mmc: slot-gpio: Allow host driver to provide isr for card-detect interrupts 2015-01-19 09:56:29 +01:00
slot-gpio.h mmc: slot-gpio: Make mmc_gpio_alloc() available for MMC core 2015-01-19 09:56:17 +01:00