V3
----
[01/11]: Set bit 24 and bit 28 of OCR within mmc_sd_get_cid(),
and only retry sending ACMD41 with bit 24 reset in case
signal voltage switch procedure fails.
[01/11]: Change (*rocr & 0x41000000) to ((*rocr & 0x41000000) ==
0x41000000) to check for both CCS and S18A to be set in
the response of ACMD41.
[01/11]: Change the condition if (err == -EAGAIN) to if (err), in
order to retry sending ACMD41 because of any error during
signal voltage switch procedure.
[01/11]: Add a new variable signal_voltage to struct mmc_ios,
which holds whether the request is to change to 1.8V or
3.3V signalling voltage.
[02/11]: Remove redundant code to find bus speed modes for SD2.0
and SD3.0 cards separately.
[02/11]: Change the variable names from uhs_* to sd3_* to make
them appropriate to the context of their usage.
[03/11]: Change variable names from *_set_drv_type to *_drv_type.
[03/11]: Set driver type even when the default driver type B is
used.
[03/11]: Clear bits 05-04 of Host Control 2 register before
setting the new driver strength.
[04/11]: Use sdhci_set_clock() to make sure the clock is stable
before re-enabling SD clock.
[05/11]: Initialize bus_speed and timing to 0 at the beginning of
sd_set_bus_speed_mode() to avoid compiler warning.
[06/11]: Initialize current_limit to 0 to avoid compiler warning.
[06/11]: Remove usage of get_max_current_180() and replace this
with MMC_CAP_MAX_CURRENT_*.
[06/11]: Set the current limit even for the default current limit
of 200mA.
[06/11]: Set the current limit only for SDR50, SDR104, and DDR50
UHS-I modes, otherwise set the default current limit.
[07/11]: Change mmc_*_ultrahighspeed() to mmc_sd_*_uhs().
[08/11]: Re-read Host Control 2 register before clearing
*_TUNED_CLK and *_EXEC_TUNING.
[08/11]: Make sdhci_execute_tuning() return 'int' rather than
'void' so that we can check for error conditions during
tuning failure.
[08/11]: Make sure to return 0 for controllers which provide
support for retuning even if tuning fails. For other
controllers, return error code.
[09/11]: Disable using Preset Value when a new card is inserted,
and enable its use only after a successfull UHS-I
initializaton.
[11/11]: Remove sdhci_start_retuning_timer() completely, and start
the re-tuning timer from within sdhci_execute_tuning()
the very first time it is executed.
V2
----
[01/12]: Make saved_abort_cmd part of struct sdhci_host rather
than global variable.
[01/12]: Clear SDHCI_USE_SDMA _iff_ SDHCI_USE_ADMA is set.
[01/12]: Set either Auto CMD23 or Auto CMD12, but not both, in
the Transfer Mode register.
[02/12]: Check host controller version before reading
SDHCI_CAPABILITIES_1.
[02/12]: Remove spinlock from sdhci_start_signal_voltage_switch
and use usleep_range() rather than mdelay().
[02/12]: Set S18R in OCR to 1 for all UHS-I modes.
[02/12]: NULL pointer check for start_signal_voltage_switch().
[02/12]: Set MMC_CAP_UHS_SDR50 if MMC_CAP_UHS_SDR104 is set.
[06/12]: Add checking for SDR25 in sd_set_bus_speed_mode().
[09/12]: Remove checking for MMC_SEND_TUNING_BLOCK within
sdhci_set_transfer_mode(), since cmd.data is set to
NULL inside sdhci_execute_tuning().
[11/12]: Correctly set clk to SDHCI_PROG_CLOCK_MODE when host
controller supports Programmable Clock Mode.
V1
----
The patches below add support for Host Controller v3.00 as per the
spec v3.00. It also adds support for UHS-I cards as per Physical
Layer Specification v3.01.
Thanks for review.
Regards,
Arindam
Arindam Nath (11):
[PATCH 01/11] mmc: sd: add support for signal voltage switch procedure
[PATCH 02/11] mmc: sd: query function modes for uhs cards
[PATCH 03/11] mmc: sd: add support for driver type selection
[PATCH 04/11] mmc: sdhci: reset sdclk before setting high speed enable
[PATCH 05/11] mmc: sd: add support for uhs bus speed mode selection
[PATCH 06/11] mmc: sd: set current limit for uhs cards
[PATCH 07/11] mmc: sd: report correct speed and capacity of uhs cards
[PATCH 08/11] mmc: sd: add support for tuning during uhs initialization
[PATCH 09/11] mmc: sdhci: enable preset value after uhs initialization
[PATCH 10/11] mmc: sdhci: add support for programmable clock mode
[PATCH 11/11] mmc: sdhci: add support for retuning mode 1
drivers/mmc/core/bus.c | 11 +-
drivers/mmc/core/core.c | 9 +
drivers/mmc/core/core.h | 1 +
drivers/mmc/core/sd.c | 405 ++++++++++++++++++++++++---
drivers/mmc/core/sd.h | 3 +-
drivers/mmc/core/sd_ops.c | 34 +++
drivers/mmc/core/sd_ops.h | 1 +
drivers/mmc/core/sdio.c | 3 +-
drivers/mmc/host/sdhci.c | 689 ++++++++++++++++++++++++++++++++++++++++++---
drivers/mmc/host/sdhci.h | 45 +++-
include/linux/mmc/card.h | 43 +++
include/linux/mmc/host.h | 36 +++
include/linux/mmc/mmc.h | 1 +
include/linux/mmc/sd.h | 1 +
include/linux/mmc/sdhci.h | 11 +
15 files changed, 1211 insertions(+), 82 deletions(-)
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