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Subject[PATCH v5 0/3] Add modules for realtek USB card reader
Date
From: Roger Tseng <rogerable@realtek.com>

This patchset adds modules to support Realtek USB vendor specific class flash
card reader: one base module in MFD subsystem and two host modules in both mmc
and memstick subsystems. The architecture is similar to rtsx_pci.

This work is done primarily to replace the staging driver: staging/rts5139,
which doesn't utilize mmc nor memstick subsystems. Once the patchset or its
revision is applied, we may need Greg's help to remove the staging one.

v2:
1. Fix potential buffer overflow in rtsx_usb_seq_write_register()
2. Remove unnecessary casting and messages
3. Revise coding style and white spaces

v3:
1. Fix MMC detection fail when under xhci
2. Minor change of pm_runtime behavior in rtsx_usb_ms to prevent some rare
freeze due to erroneous Memstick card(not MS-Pro)
3. Further revise coding style as suggested in the thread of v2
4. Using managed resources: devm_*
5. Change license from "GPL v2 and later" to "GPL v2"

v4:
1. Remove invocations to deprecated/removed mmc_suspend|resume_host APIs and
unnecessary platform device pm routines
2. Support CRC-ignored R1 response for CMD13 in response to commit:
a27fbf2f067b0cd6f172c8b696b9a44c58bfaa7a: mmc: add ignorance case for
CMD13 CRC error
3. Remove unnecessary #ifdef CONFIG_PM_RUNTIME

v5:
1. rtsx_usb_ms.c: adding header inclusion, removing unnecessary NULL checking,
and add cancel_work_sync in removal handler to wait possible pending
works.
(Changes only rtsx_usb_ms. Other files remain the same to v4)

Roger Tseng (3):
mfd: Add realtek USB card reader driver
mmc: Add realtek USB sdmmc host driver
memstick: Add realtek USB memstick host driver

drivers/memstick/host/Kconfig | 10 +
drivers/memstick/host/Makefile | 1 +
drivers/memstick/host/rtsx_usb_ms.c | 839 ++++++++++++++++++++
drivers/mfd/Kconfig | 10 +
drivers/mfd/Makefile | 1 +
drivers/mfd/rtsx_usb.c | 760 ++++++++++++++++++
drivers/mmc/host/Kconfig | 7 +
drivers/mmc/host/Makefile | 1 +
drivers/mmc/host/rtsx_usb_sdmmc.c | 1462 +++++++++++++++++++++++++++++++++++
include/linux/mfd/rtsx_usb.h | 628 +++++++++++++++
10 files changed, 3719 insertions(+)
create mode 100644 drivers/memstick/host/rtsx_usb_ms.c
create mode 100644 drivers/mfd/rtsx_usb.c
create mode 100644 drivers/mmc/host/rtsx_usb_sdmmc.c
create mode 100644 include/linux/mfd/rtsx_usb.h

--
1.8.2



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