Messages in this thread | | | Date | Tue, 24 Jul 2012 09:21:34 +0800 | From | wwang <> | Subject | Re: [PATCH 1/3] drivers/misc: Add realtek card reader core driver |
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Hi Borislav:
Realtek card reader supports not only SDMMC card, but also Memory stick. This part is the common code, so it is located in drivers/misc. There is also SDMMC-relevant code under CONFIG_MMC. And in the future, Memstick-relevant code will be added under CONFIG_MEMSTICK.
BR, wwang
于 2012年07月24日 00:33, Borislav Petkov 写道: > On Mon, Jul 23, 2012 at 05:42:38PM +0800, wei_wang@realsil.com.cn wrote: >> From: Wei WANG <wei_wang@realsil.com.cn> >> >> Realtek card reader core driver is the bus driver for Realtek >> driver-based card reader, which supplies adapter layer to >> be used by lower-level pci/usb card reader and upper-level >> sdmmc/memstick host driver. >> >> Signed-off-by: Wei WANG <wei_wang@realsil.com.cn> >> --- >> Documentation/misc-devices/realtek_cr.txt | 27 ++ >> drivers/misc/Kconfig | 1 + >> drivers/misc/Makefile | 1 + >> drivers/misc/realtek_cr/Kconfig | 26 ++ >> drivers/misc/realtek_cr/Makefile | 7 + >> drivers/misc/realtek_cr/core/Kconfig | 6 + >> drivers/misc/realtek_cr/core/Makefile | 1 + >> drivers/misc/realtek_cr/core/rtsx_core.c | 492 +++++++++++++++++++++++++++++ >> include/linux/rtsx_core.h | 183 +++++++++++ >> 9 files changed, 744 insertions(+) >> create mode 100644 Documentation/misc-devices/realtek_cr.txt >> create mode 100644 drivers/misc/realtek_cr/Kconfig >> create mode 100644 drivers/misc/realtek_cr/Makefile >> create mode 100644 drivers/misc/realtek_cr/core/Kconfig >> create mode 100644 drivers/misc/realtek_cr/core/Makefile >> create mode 100644 drivers/misc/realtek_cr/core/rtsx_core.c >> create mode 100644 include/linux/rtsx_core.h >> >> diff --git a/Documentation/misc-devices/realtek_cr.txt b/Documentation/misc-devices/realtek_cr.txt >> new file mode 100644 >> index 0000000..b4e6fbe >> --- /dev/null >> +++ b/Documentation/misc-devices/realtek_cr.txt >> @@ -0,0 +1,27 @@ >> +Realtek Driver-based Card Reader >> +================================ >> + >> +Supported chips: >> +RTS5209 >> +RTS5229 >> + >> +Contact Email: >> +pc_sw_linux@realsil.com.cn >> + >> + >> +Description >> +----------- >> + >> +Realtek driver-based card reader supports access to many types of memory cards, >> +such as Memory Stick, Memory Stick Pro, Secure Digital and MultiMediaCard. >> + >> + >> +udev rules >> +---------- >> + >> +In order to modprobe Realtek SD/MMC interface driver automatically, the following rule >> +should be added to the udev rules file: >> + >> +SUBSYSTEM=="rtsx_cr", ENV{RTSX_CARD_TYPE}=="SD", RUN+="/sbin/modprobe -bv rtsx_sdmmc" >> + >> +Typically, we may edit /lib/udev/rules.d/80-drivers.rules and copy the rule into it in Ubuntu. >> diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig >> index 2661f6e..09ce905 100644 >> --- a/drivers/misc/Kconfig >> +++ b/drivers/misc/Kconfig >> @@ -517,4 +517,5 @@ source "drivers/misc/lis3lv02d/Kconfig" >> source "drivers/misc/carma/Kconfig" >> source "drivers/misc/altera-stapl/Kconfig" >> source "drivers/misc/mei/Kconfig" >> +source "drivers/misc/realtek_cr/Kconfig" >> endmenu >> diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile >> index 456972f..c09f147 100644 >> --- a/drivers/misc/Makefile >> +++ b/drivers/misc/Makefile >> @@ -51,3 +51,4 @@ obj-y += carma/ >> obj-$(CONFIG_USB_SWITCH_FSA9480) += fsa9480.o >> obj-$(CONFIG_ALTERA_STAPL) +=altera-stapl/ >> obj-$(CONFIG_INTEL_MEI) += mei/ >> +obj-$(CONFIG_REALTEK_CR_SUPPORT) += realtek_cr/ >> diff --git a/drivers/misc/realtek_cr/Kconfig b/drivers/misc/realtek_cr/Kconfig >> new file mode 100644 >> index 0000000..303d98a >> --- /dev/null >> +++ b/drivers/misc/realtek_cr/Kconfig >> @@ -0,0 +1,26 @@ >> +# >> +# Realtek driver-based card reader >> +# >> + >> +menuconfig REALTEK_CR_SUPPORT >> + tristate "Realtek driver-based card reader" >> + help >> + Realtek driver-based card reader supports access to many types of >> + memory cards, such as Memory Stick, Memory Stick Pro, Secure Digital >> + and MultiMediaCard. >> + >> + If you want to use Realtek driver-based card reader, enable this >> + option and other options below. >> + >> +config REALTEK_CR_DEBUG >> + bool "Realtek driver-based card reader debugging" >> + depends on REALTEK_CR_SUPPORT != n >> + help >> + This is an option for use by developers; most people should >> + say N here. This enables Realtek card reader driver debugging. >> + >> +if REALTEK_CR_SUPPORT >> + >> +source "drivers/misc/realtek_cr/core/Kconfig" >> + >> +endif > Ok, maybe I'm a newbie here but this is a card reader driver and AFAICT > it should be placed under CONFIG_MMC. Why is it under drivers/misc? >
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