mmc: Driver for CB710/720 memory card reader (MMC part)

The code is divided in two parts. There is a virtual 'bus' driver
that handles PCI device and registers three new devices one per card
reader type. The other driver handles SD/MMC part of the reader.

Signed-off-by: Michał Mirosław <[email protected]>
Signed-off-by: Pierre Ossman <[email protected]>

MAINTAINERS

@@ -2105,6 +2105,15 @@ W:	http://sourceforge.net/projects/lpfcxxxx
 S:	Supported
 F:	drivers/scsi/lpfc/
 
+ENE CB710 FLASH CARD READER DRIVER
+P:	Michał Mirosław
+M:	[email protected]
+L:	[email protected]
+S:	Maintained
+F:	drivers/misc/cb710/
+F:	drivers/mmc/host/cb710-mmc.*
+F:	include/linux/cb710.h
+
 EPSON 1355 FRAMEBUFFER DRIVER
 P:	Christopher Hoover
 M:	[email protected]

drivers/misc/Kconfig

@@ -235,5 +235,6 @@ config ISL29003
 
 source "drivers/misc/c2port/Kconfig"
 source "drivers/misc/eeprom/Kconfig"
+source "drivers/misc/cb710/Kconfig"
 
 endif # MISC_DEVICES

drivers/misc/Makefile

@@ -21,3 +21,4 @@ obj-$(CONFIG_HP_ILO)		+= hpilo.o
 obj-$(CONFIG_ISL29003)		+= isl29003.o
 obj-$(CONFIG_C2PORT)		+= c2port/
 obj-y				+= eeprom/
+obj-y				+= cb710/

drivers/misc/cb710/Kconfig

@@ -0,0 +1,21 @@
+config CB710_CORE
+	tristate "ENE CB710/720 Flash memory card reader support"
+	depends on PCI
+	help
+	  This option enables support for PCI ENE CB710/720 Flash memory card
+	  reader found in some laptops (ie. some versions of HP Compaq nx9500).
+
+	  You will also have to select some flash card format drivers (MMC/SD,
+	  MemoryStick).
+
+	  This driver can also be built as a module. If so, the module
+	  will be called cb710.
+
+config CB710_DEBUG
+	bool "Enable driver debugging"
+	depends on CB710_CORE != n
+	default n
+	help
+	  This is an option for use by developers; most people should
+	  say N here.  This adds a lot of debugging output to dmesg.
+

drivers/misc/cb710/Makefile

@@ -0,0 +1,4 @@
+obj-$(CONFIG_CB710_CORE)	+= cb710.o
+
+cb710-y				:= core.o sgbuf2.o
+cb710-$(CONFIG_CB710_DEBUG)	+= debug.o