F: Documentation/filesystems/9p.txt
F: fs/9p/
-A2232 SERIAL BOARD DRIVER
-S: Orphan
-F: drivers/staging/generic_serial/ser_a2232*
-
AACRAID SCSI RAID DRIVER
F: drivers/mfd/adp5520.c
F: drivers/video/backlight/adp5520_bl.c
F: drivers/leds/leds-adp5520.c
-F: drivers/gpio/adp5520-gpio.c
+F: drivers/gpio/gpio-adp5520.c
F: drivers/input/keyboard/adp5520-keys.c
ADP5588 QWERTY KEYPAD AND IO EXPANDER DRIVER (ADP5588/ADP5587)
W: http://wiki.analog.com/ADP5588
S: Supported
F: drivers/input/keyboard/adp5588-keys.c
-F: drivers/gpio/adp5588-gpio.c
+F: drivers/gpio/gpio-adp5588.c
ADP8860 BACKLIGHT DRIVER (ADP8860/ADP8861/ADP8863)
F: sound/soc/codecs/adav*
F: sound/soc/codecs/ad1*
F: sound/soc/codecs/ssm*
+F: sound/soc/codecs/sigmadsp.*
ANALOG DEVICES INC ASOC DRIVERS
S: Maintained
F: arch/arm/mach-prima2/
+F: drivers/dma/sirf-dma*
ARM/EBSA110 MACHINE SUPPORT
S: Odd Fixes
-F: arch/arm/mach-loki/
F: arch/arm/mach-kirkwood/
F: arch/arm/mach-mv78xx0/
F: arch/arm/mach-orion5x/
S: Maintained
F: arch/arm/mach-s5pv210/mach-aquila.c
F: arch/arm/mach-s5pv210/mach-goni.c
-F: arch/arm/mach-exynos4/mach-universal_c210.c
-F: arch/arm/mach-exynos4/mach-nuri.c
+F: arch/arm/mach-exynos/mach-universal_c210.c
+F: arch/arm/mach-exynos/mach-nuri.c
ARM/SAMSUNG S5P SERIES FIMC SUPPORT
S: Maintained
-F: arch/arm/plat-s5p/dev-tv.c
F: drivers/media/video/s5p-tv/
ARM/SHMOBILE ARM ARCHITECTURE
F: arch/arm/mach-shmobile/
F: drivers/sh/
-ARM/TELECHIPS ARM ARCHITECTURE
-S: Maintained
-F: arch/arm/plat-tcc/
-F: arch/arm/mach-tcc8k/
-
ARM/TECHNOLOGIC SYSTEMS TS7250 MACHINE SUPPORT
W: http://www.mcuos.com
S: Maintained
F: arch/arm/mach-w90x900/
-F: arch/arm/mach-nuc93x/
F: drivers/input/keyboard/w90p910_keypad.c
F: drivers/input/touchscreen/w90p910_ts.c
F: drivers/watchdog/nuc900_wdt.c
F: drivers/net/ethernet/nuvoton/w90p910_ether.c
F: drivers/mtd/nand/nuc900_nand.c
F: drivers/rtc/rtc-nuc900.c
-F: drivers/spi/spi_nuc900.c
+F: drivers/spi/spi-nuc900.c
F: drivers/usb/host/ehci-w90x900.c
F: drivers/video/nuc900fb.c
S: Maintained
F: arch/arm/mach-ux500/
F: drivers/dma/ste_dma40*
-F: drivers/mfd/ab3550*
F: drivers/mfd/abx500*
F: drivers/mfd/ab8500*
F: drivers/mfd/stmpe*
ATMEL SPI DRIVER
S: Supported
-F: drivers/spi/atmel_spi.*
+F: drivers/spi/spi-atmel.*
ATMEL USBA UDC DRIVER
B43 WIRELESS DRIVER
W: http://linuxwireless.org/en/users/Drivers/b43
S: Maintained
F: drivers/net/wireless/b43/
W: http://blackfin.uclinux.org
S: Supported
-F: drivers/tty/serial/bfin_5xx.c
+F: drivers/tty/serial/bfin_uart.c
BLACKFIN WATCHDOG DRIVER
S: Supported
-F: drivers/staging/brcm80211/
+F: drivers/net/wireless/brcm80211/
BROADCOM BNX2FC 10 GIGABIT FCOE DRIVER
S: Supported
F: drivers/scsi/bnx2fc/
+BROADCOM SPECIFIC AMBA DRIVER (BCMA)
+S: Maintained
+F: drivers/bcma/
+F: include/linux/bcma/
+
BROCADE BFA FC SCSI DRIVER
W: http://bu3sch.de/btgpio.php
S: Maintained
-F: drivers/gpio/bt8xxgpio.c
+F: drivers/gpio/gpio-bt8xx.c
BTRFS FILE SYSTEM
S: Maintained
F: sound/pci/oxygen/
+C6X ARCHITECTURE
+W: http://www.linux-c6x.org/wiki/index.php/Main_Page
+S: Maintained
+F: arch/c6x/
+
CACHEFILES: FS-CACHE BACKEND FOR CACHING ON MOUNTED FILESYSTEMS
T: git git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6.git
S: Maintained
F: Documentation/video4linux/cafe_ccic
-F: drivers/media/video/cafe_ccic*
+F: drivers/media/video/marvell-ccic/
CAIF NETWORK LAYER
CAN NETWORK LAYER
-W: http://developer.berlios.de/projects/socketcan/
+W: http://gitorious.org/linux-can
+T: git git://gitorious.org/linux-can/linux-can-next.git
S: Maintained
F: net/can/
F: include/linux/can.h
CAN NETWORK DRIVERS
-W: http://developer.berlios.de/projects/socketcan/
+W: http://gitorious.org/linux-can
+T: git git://gitorious.org/linux-can/linux-can-next.git
S: Maintained
F: drivers/net/can/
F: include/linux/can/dev.h
S: Maintained
F: drivers/platform/x86/compal-laptop.c
-COMPUTONE INTELLIPORT MULTIPORT CARD
-W: http://www.wittsend.com/computone.html
-S: Orphan
-F: Documentation/serial/computone.txt
-F: drivers/staging/tty/ip2/
-
CONEXANT ACCESSRUNNER USB DRIVER
S: Orphan
F: Documentation/networking/dmfe.txt
-F: drivers/net/ethernet/tulip/dmfe.c
+F: drivers/net/ethernet/dec/tulip/dmfe.c
DC390/AM53C974 SCSI driver
S: Maintained
F: drivers/usb/dwc3/
+DEVICE FREQUENCY (DEVFREQ)
+S: Maintained
+F: drivers/devfreq/
+
DEVICE NUMBER REGISTRY
W: http://lanana.org/docs/device-list/index.html
F: include/linux/device-mapper.h
F: include/linux/dm-*.h
-DIGI INTL. EPCA DRIVER
-W: http://www.digi.com
-S: Orphan
-F: Documentation/serial/digiepca.txt
-F: drivers/staging/tty/epca*
-F: drivers/staging/tty/digi*
-
DIOLAN U2C-12 I2C DRIVER
S: Supported
F: fs/dlm/
+DMA BUFFER SHARING FRAMEWORK
+S: Maintained
+F: drivers/base/dma-buf*
+F: include/linux/dma-buf*
+F: Documentation/dma-buf-sharing.txt
+T: git git://git.linaro.org/people/sumitsemwal/linux-dma-buf.git
+
DMA GENERIC OFFLOAD ENGINE SUBSYSTEM
DRM DRIVERS FOR EXYNOS
S: Supported
F: drivers/gpu/drm/exynos
ECRYPT FILE SYSTEM
-M: Dustin Kirkland <kirkland@canonical.com>
+M: Dustin Kirkland <dustin.kirkland@gazzang.com>
W: https://launchpad.net/ecryptfs
S: Supported
S: Maintained
F: drivers/platform/x86/fujitsu-laptop.c
+FUJITSU M-5MO LS CAMERA ISP DRIVER
+S: Maintained
+F: drivers/media/video/m5mols/
+F: include/media/m5mols.h
+
FUSE: FILESYSTEM IN USERSPACE
GPIO SUBSYSTEM
S: Maintained
T: git git://git.secretlab.ca/git/linux-2.6.git
F: Documentation/gpio.txt
S: Maintained
-F: drivers/net/greth*
+F: drivers/net/ethernet/aeroflex/
GSPCA FINEPIX SUBDRIVER
S: Maintained
F: fs/hugetlbfs/
+Hyper-V CORE AND DRIVERS
+S: Maintained
+F: drivers/hv/
+F: drivers/hid/hid-hyperv.c
+F: drivers/net/hyperv/
+F: drivers/staging/hv/
+
I2C/SMBUS STUB DRIVER
I2C SUBSYSTEM
W: http://i2c.wiki.kernel.org/
T: quilt kernel.org/pub/linux/kernel/people/jdelvare/linux-2.6/jdelvare-i2c/
IPWIRELESS DRIVER
-S: Maintained
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jikos/ipwireless_cs.git
+S: Odd Fixes
F: drivers/tty/ipwireless/
IPX NETWORK LAYER
KERNEL NFSD, SUNRPC, AND LOCKD SERVERS
W: http://nfs.sourceforge.net/
S: Supported
S: Supported
F: Documentation/security/keys-trusted-encrypted.txt
F: include/keys/encrypted-type.h
-F: security/keys/encrypted.c
-F: security/keys/encrypted.h
+F: security/keys/encrypted-keys/
KGDB / KDB /debug_core
W: http://www.penguinppc.org/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jwboyer/powerpc-4xx.git
+T: git git://git.infradead.org/users/jwboyer/powerpc-4xx.git
S: Maintained
F: arch/powerpc/platforms/40x/
F: arch/powerpc/platforms/44x/
LogFS
W: logfs.org
S: Maintained
F: drivers/video/matrox/matroxfb_*
F: include/linux/matroxfb.h
-MAX1668 TEMPERATURE SENSOR DRIVER
-S: Maintained
-F: Documentation/hwmon/max1668
-F: drivers/hwmon/max1668.c
-
MAX6650 HARDWARE MONITOR AND FAN CONTROLLER DRIVER
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git
S: Maintained
F: arch/arm/*omap*/
+F: drivers/i2c/busses/i2c-omap.c
+F: include/linux/i2c-omap.h
OMAP CLOCK FRAMEWORK SUPPORT
T: git git://openrisc.net/~jonas/linux
F: arch/openrisc
+OPENVSWITCH
+W: http://openvswitch.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/jesse/openvswitch.git
+S: Maintained
+F: net/openvswitch/
+
OPL4 DRIVER
S: Maintained
F: drivers/mtd/devices/phram.c
+PICOXCELL SUPPORT
+T: git git://github.com/jamieiles/linux-2.6-ji.git
+S: Supported
+F: arch/arm/mach-picoxcell
+F: drivers/*/picoxcell*
+F: drivers/*/*/picoxcell*
+
PIN CONTROL SUBSYSTEM
S: Maintained
-F: drivers/pinmux/
+F: drivers/pinctrl/
PKTCDVD DRIVER
PXA2xx/PXA3xx SUPPORT
+T: git git://github.com/hzhuang1/linux.git
+T: git git://git.linaro.org/people/ycmiao/pxa-linux.git
S: Maintained
F: arch/arm/mach-pxa/
F: drivers/pcmcia/pxa2xx*
-F: drivers/spi/pxa2xx*
+F: drivers/spi/spi-pxa2xx*
F: drivers/usb/gadget/pxa2*
F: include/sound/pxa2xx-lib.h
F: sound/arm/pxa*
F: sound/soc/pxa
-PXA168 SUPPORT
+MMP SUPPORT
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6.git
-S: Maintained
-
-PXA910 SUPPORT
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6.git
-S: Maintained
-
-MMP2 SUPPORT (aka ARMADA610)
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6.git
+T: git git://github.com/hzhuang1/linux.git
+T: git git://git.linaro.org/people/ycmiao/pxa-linux.git
S: Maintained
+F: arch/arm/mach-mmp/
PXA MMCI DRIVER
S: Orphan
F: drivers/scsi/qla4xxx/
QLOGIC QLA3XXX NETWORK DRIVER
S: Maintained
F: drivers/memstick/host/r592.*
-RISCOM8 DRIVER
-S: Orphan
-F: Documentation/serial/riscom8.txt
-F: drivers/staging/tty/riscom8*
-
ROCKETPORT DRIVER
P: Comtrol Corp.
W: http://www.comtrol.com
S: Supported
F: sound/soc/samsung
+SAMSUNG FRAMEBUFFER DRIVER
+S: Maintained
+F: drivers/video/s3c-fb.c
+
SERIAL DRIVERS
T: git git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc.git
S: Maintained
F: drivers/mmc/host/sdhci.*
+F: drivers/mmc/host/sdhci-pltfm.[ch]
SECURE DIGITAL HOST CONTROLLER INTERFACE, OPEN FIRMWARE BINDINGS (SDHCI-OF)
S: Maintained
-F: drivers/mmc/host/sdhci-of.*
+F: drivers/mmc/host/sdhci-pltfm.[ch]
SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) SAMSUNG DRIVER
SECURITY SUBSYSTEM
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security.git
W: http://security.wiki.kernel.org/
S: Supported
F: security/
SFC NETWORK DRIVER
S: Supported
Q: http://patchwork.kernel.org/project/linux-davinci/list/
S: Supported
F: arch/arm/mach-davinci
+F: drivers/i2c/busses/i2c-davinci.c
SIS 190 ETHERNET DRIVER
F: drivers/ssb/
F: include/linux/ssb/
-BROADCOM SPECIFIC AMBA DRIVER (BCMA)
-S: Maintained
-F: drivers/bcma/
-F: include/linux/bcma/
-
SONY VAIO CONTROL DEVICE DRIVER
W: http://www.st.com/spear
S: Maintained
F: arch/arm/mach-spear*/clock.c
-F: arch/arm/mach-spear*/include/mach/clkdev.h
F: arch/arm/plat-spear/clock.c
-F: arch/arm/plat-spear/include/plat/clkdev.h
F: arch/arm/plat-spear/include/plat/clock.h
SPEAR PAD MULTIPLEXING SUPPORT
F: arch/arm/mach-spear6xx/spear600.c
F: arch/arm/mach-spear6xx/spear600_evb.c
-SPECIALIX IO8+ MULTIPORT SERIAL CARD DRIVER
-S: Orphan
-F: Documentation/serial/specialix.txt
-F: drivers/staging/tty/specialix*
-
SPI SUBSYSTEM
STABLE BRANCH
+L: stable@vger.kernel.org
S: Maintained
STAGING SUBSYSTEM
S: Odd Fixes
F: drivers/staging/crystalhd/
-STAGING - CYPRESS WESTBRIDGE SUPPORT
-S: Odd Fixes
-F: drivers/staging/westbridge/
-
STAGING - ECHO CANCELLER
S: Odd Fixes
F: drivers/staging/frontier/
-STAGING - HYPER-V (MICROSOFT)
-S: Odd Fixes
-F: drivers/staging/hv/
-
STAGING - INDUSTRIAL IO
W: http://www.lirc.org/
S: Odd Fixes
-F: drivers/staging/lirc/
+F: drivers/staging/media/lirc/
STAGING - NVIDIA COMPLIANT EMBEDDED CONTROLLER INTERFACE (nvec)
STAGING - SOFTLOGIC 6x10 MPEG CODEC
S: Odd Fixes
-F: drivers/staging/solo6x10/
+F: drivers/staging/media/solo6x10/
STAGING - SPEAKUP CONSOLE SPEECH DRIVER
F: drivers/staging/winbond/
STAGING - XGI Z7,Z9,Z11 PCI DISPLAY DRIVER
S: Odd Fixes
F: drivers/staging/xgifb/
S: Maintained
F: net/ipv4/tcp_lp.c
+TEAM DRIVER
+S: Supported
+F: drivers/net/team/
+F: include/linux/if_team.h
+
TEGRA SUPPORT
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6.git
-F: drivers/tty/*
+F: drivers/tty/
F: drivers/tty/serial/serial_core.c
F: include/linux/serial_core.h
F: include/linux/serial.h
S: Maintained
-F: drivers/net/ethernet/tulip/
+F: drivers/net/ethernet/dec/tulip/
TUN/TAP driver
F: drivers/net/vmxnet3/
VMware PVSCSI driver
-M: Alok Kataria <akataria@vmware.com>
+M: Arvind Kumar <arvindkumar@vmware.com>
S: Maintained
F: Documentation/hwmon/wm83??
F: arch/arm/mach-s3c64xx/mach-crag6410*
F: drivers/leds/leds-wm83*.c
+F: drivers/hwmon/wm83??-hwmon.c
F: drivers/input/misc/wm831x-on.c
F: drivers/input/touchscreen/wm831x-ts.c
F: drivers/input/touchscreen/wm97*.c
struct mtd_erase_region_info *eraseregions;
/*
- * Erase is an asynchronous operation. Device drivers are supposed
- * to call instr->callback() whenever the operation completes, even
- * if it completes with a failure.
- * Callers are supposed to pass a callback function and wait for it
- * to be called before writing to the block.
+ * Do not call via these pointers, use corresponding mtd_*()
+ * wrappers instead.
*/
int (*erase) (struct mtd_info *mtd, struct erase_info *instr);
-
- /* This stuff for eXecute-In-Place */
- /* phys is optional and may be set to NULL */
int (*point) (struct mtd_info *mtd, loff_t from, size_t len,
- size_t *retlen, void **virt, resource_size_t *phys);
-
- /* We probably shouldn't allow XIP if the unpoint isn't a NULL */
+ size_t *retlen, void **virt, resource_size_t *phys);
void (*unpoint) (struct mtd_info *mtd, loff_t from, size_t len);
-
- /* Allow NOMMU mmap() to directly map the device (if not NULL)
- * - return the address to which the offset maps
- * - return -ENOSYS to indicate refusal to do the mapping
- */
unsigned long (*get_unmapped_area) (struct mtd_info *mtd,
unsigned long len,
unsigned long offset,
unsigned long flags);
-
- /* Backing device capabilities for this device
- * - provides mmap capabilities
- */
- struct backing_dev_info *backing_dev_info;
-
-
- int (*read) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
- int (*write) (struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf);
-
- /* In blackbox flight recorder like scenarios we want to make successful
- writes in interrupt context. panic_write() is only intended to be
- called when its known the kernel is about to panic and we need the
- write to succeed. Since the kernel is not going to be running for much
- longer, this function can break locks and delay to ensure the write
- succeeds (but not sleep). */
-
- int (*panic_write) (struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf);
-
+ int (*read) (struct mtd_info *mtd, loff_t from, size_t len,
+ size_t *retlen, u_char *buf);
+ int (*write) (struct mtd_info *mtd, loff_t to, size_t len,
+ size_t *retlen, const u_char *buf);
+ int (*panic_write) (struct mtd_info *mtd, loff_t to, size_t len,
+ size_t *retlen, const u_char *buf);
int (*read_oob) (struct mtd_info *mtd, loff_t from,
struct mtd_oob_ops *ops);
int (*write_oob) (struct mtd_info *mtd, loff_t to,
- struct mtd_oob_ops *ops);
-
- /*
- * Methods to access the protection register area, present in some
- * flash devices. The user data is one time programmable but the
- * factory data is read only.
- */
- int (*get_fact_prot_info) (struct mtd_info *mtd, struct otp_info *buf, size_t len);
- int (*read_fact_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
- int (*get_user_prot_info) (struct mtd_info *mtd, struct otp_info *buf, size_t len);
- int (*read_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
- int (*write_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
- int (*lock_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len);
-
- /* kvec-based read/write methods.
- NB: The 'count' parameter is the number of _vectors_, each of
- which contains an (ofs, len) tuple.
- */
- int (*writev) (struct mtd_info *mtd, const struct kvec *vecs, unsigned long count, loff_t to, size_t *retlen);
-
- /* Sync */
+ struct mtd_oob_ops *ops);
+ int (*get_fact_prot_info) (struct mtd_info *mtd, struct otp_info *buf,
+ size_t len);
+ int (*read_fact_prot_reg) (struct mtd_info *mtd, loff_t from,
+ size_t len, size_t *retlen, u_char *buf);
+ int (*get_user_prot_info) (struct mtd_info *mtd, struct otp_info *buf,
+ size_t len);
+ int (*read_user_prot_reg) (struct mtd_info *mtd, loff_t from,
+ size_t len, size_t *retlen, u_char *buf);
+ int (*write_user_prot_reg) (struct mtd_info *mtd, loff_t to, size_t len,
+ size_t *retlen, u_char *buf);
+ int (*lock_user_prot_reg) (struct mtd_info *mtd, loff_t from,
+ size_t len);
+ int (*writev) (struct mtd_info *mtd, const struct kvec *vecs,
+ unsigned long count, loff_t to, size_t *retlen);
void (*sync) (struct mtd_info *mtd);
-
- /* Chip-supported device locking */
int (*lock) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
int (*unlock) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
int (*is_locked) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
-
- /* Power Management functions */
+ int (*block_isbad) (struct mtd_info *mtd, loff_t ofs);
+ int (*block_markbad) (struct mtd_info *mtd, loff_t ofs);
int (*suspend) (struct mtd_info *mtd);
void (*resume) (struct mtd_info *mtd);
+ /*
+ * If the driver is something smart, like UBI, it may need to maintain
+ * its own reference counting. The below functions are only for driver.
+ */
+ int (*get_device) (struct mtd_info *mtd);
+ void (*put_device) (struct mtd_info *mtd);
- /* Bad block management functions */
- int (*block_isbad) (struct mtd_info *mtd, loff_t ofs);
- int (*block_markbad) (struct mtd_info *mtd, loff_t ofs);
+ /* Backing device capabilities for this device
+ * - provides mmap capabilities
+ */
+ struct backing_dev_info *backing_dev_info;
struct notifier_block reboot_notifier; /* default mode before reboot */
struct module *owner;
struct device dev;
int usecount;
-
- /* If the driver is something smart, like UBI, it may need to maintain
- * its own reference counting. The below functions are only for driver.
- * The driver may register its callbacks. These callbacks are not
- * supposed to be called by MTD users */
- int (*get_device) (struct mtd_info *mtd);
- void (*put_device) (struct mtd_info *mtd);
};
-static inline struct mtd_info *dev_to_mtd(struct device *dev)
+/*
+ * Erase is an asynchronous operation. Device drivers are supposed
+ * to call instr->callback() whenever the operation completes, even
+ * if it completes with a failure.
+ * Callers are supposed to pass a callback function and wait for it
+ * to be called before writing to the block.
+ */
+static inline int mtd_erase(struct mtd_info *mtd, struct erase_info *instr)
+{
+ return mtd->erase(mtd, instr);
+}
+
+/*
+ * This stuff for eXecute-In-Place. phys is optional and may be set to NULL.
+ */
+static inline int mtd_point(struct mtd_info *mtd, loff_t from, size_t len,
+ size_t *retlen, void **virt, resource_size_t *phys)
+{
+ *retlen = 0;
+ if (!mtd->point)
+ return -EOPNOTSUPP;
+ return mtd->point(mtd, from, len, retlen, virt, phys);
+}
+
+/* We probably shouldn't allow XIP if the unpoint isn't a NULL */
+static inline void mtd_unpoint(struct mtd_info *mtd, loff_t from, size_t len)
{
- return dev ? dev_get_drvdata(dev) : NULL;
+ return mtd->unpoint(mtd, from, len);
+}
+
+/*
+ * Allow NOMMU mmap() to directly map the device (if not NULL)
+ * - return the address to which the offset maps
+ * - return -ENOSYS to indicate refusal to do the mapping
+ */
+static inline unsigned long mtd_get_unmapped_area(struct mtd_info *mtd,
+ unsigned long len,
+ unsigned long offset,
+ unsigned long flags)
+{
+ if (!mtd->get_unmapped_area)
+ return -EOPNOTSUPP;
+ return mtd->get_unmapped_area(mtd, len, offset, flags);
+}
+
+static inline int mtd_read(struct mtd_info *mtd, loff_t from, size_t len,
+ size_t *retlen, u_char *buf)
+{
+ return mtd->read(mtd, from, len, retlen, buf);
+}
+
+static inline int mtd_write(struct mtd_info *mtd, loff_t to, size_t len,
+ size_t *retlen, const u_char *buf)
+{
+ *retlen = 0;
+ if (!mtd->write)
+ return -EROFS;
+ return mtd->write(mtd, to, len, retlen, buf);
+}
+
+/*
+ * In blackbox flight recorder like scenarios we want to make successful writes
+ * in interrupt context. panic_write() is only intended to be called when its
+ * known the kernel is about to panic and we need the write to succeed. Since
+ * the kernel is not going to be running for much longer, this function can
+ * break locks and delay to ensure the write succeeds (but not sleep).
+ */
+static inline int mtd_panic_write(struct mtd_info *mtd, loff_t to, size_t len,
+ size_t *retlen, const u_char *buf)
+{
+ *retlen = 0;
+ if (!mtd->panic_write)
+ return -EOPNOTSUPP;
+ return mtd->panic_write(mtd, to, len, retlen, buf);
+}
+
+static inline int mtd_read_oob(struct mtd_info *mtd, loff_t from,
+ struct mtd_oob_ops *ops)
+{
+ ops->retlen = ops->oobretlen = 0;
+ if (!mtd->read_oob)
+ return -EOPNOTSUPP;
+ return mtd->read_oob(mtd, from, ops);
+}
+
+static inline int mtd_write_oob(struct mtd_info *mtd, loff_t to,
+ struct mtd_oob_ops *ops)
+{
+ ops->retlen = ops->oobretlen = 0;
+ if (!mtd->write_oob)
+ return -EOPNOTSUPP;
+ return mtd->write_oob(mtd, to, ops);
+}
+
+/*
+ * Method to access the protection register area, present in some flash
+ * devices. The user data is one time programmable but the factory data is read
+ * only.
+ */
+static inline int mtd_get_fact_prot_info(struct mtd_info *mtd,
+ struct otp_info *buf, size_t len)
+{
+ if (!mtd->get_fact_prot_info)
+ return -EOPNOTSUPP;
+ return mtd->get_fact_prot_info(mtd, buf, len);
+}
+
+static inline int mtd_read_fact_prot_reg(struct mtd_info *mtd, loff_t from,
+ size_t len, size_t *retlen,
+ u_char *buf)
+{
+ *retlen = 0;
+ if (!mtd->read_fact_prot_reg)
+ return -EOPNOTSUPP;
+ return mtd->read_fact_prot_reg(mtd, from, len, retlen, buf);
+}
+
+static inline int mtd_get_user_prot_info(struct mtd_info *mtd,
+ struct otp_info *buf,
+ size_t len)
+{
+ if (!mtd->get_user_prot_info)
+ return -EOPNOTSUPP;
+ return mtd->get_user_prot_info(mtd, buf, len);
+}
+
+static inline int mtd_read_user_prot_reg(struct mtd_info *mtd, loff_t from,
+ size_t len, size_t *retlen,
+ u_char *buf)
+{
+ *retlen = 0;
+ if (!mtd->read_user_prot_reg)
+ return -EOPNOTSUPP;
+ return mtd->read_user_prot_reg(mtd, from, len, retlen, buf);
+}
+
+static inline int mtd_write_user_prot_reg(struct mtd_info *mtd, loff_t to,
+ size_t len, size_t *retlen,
+ u_char *buf)
+{
+ *retlen = 0;
+ if (!mtd->write_user_prot_reg)
+ return -EOPNOTSUPP;
+ return mtd->write_user_prot_reg(mtd, to, len, retlen, buf);
+}
+
+static inline int mtd_lock_user_prot_reg(struct mtd_info *mtd, loff_t from,
+ size_t len)
+{
+ if (!mtd->lock_user_prot_reg)
+ return -EOPNOTSUPP;
+ return mtd->lock_user_prot_reg(mtd, from, len);
+}
+
+int mtd_writev(struct mtd_info *mtd, const struct kvec *vecs,
+ unsigned long count, loff_t to, size_t *retlen);
+
+static inline void mtd_sync(struct mtd_info *mtd)
+{
+ if (mtd->sync)
+ mtd->sync(mtd);
+}
+
+/* Chip-supported device locking */
+static inline int mtd_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
+{
+ if (!mtd->lock)
+ return -EOPNOTSUPP;
+ return mtd->lock(mtd, ofs, len);
+}
+
+static inline int mtd_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
+{
+ if (!mtd->unlock)
+ return -EOPNOTSUPP;
+ return mtd->unlock(mtd, ofs, len);
+}
+
+static inline int mtd_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
+{
+ if (!mtd->is_locked)
+ return -EOPNOTSUPP;
+ return mtd->is_locked(mtd, ofs, len);
+}
+
+static inline int mtd_suspend(struct mtd_info *mtd)
+{
+ if (!mtd->suspend)
+ return -EOPNOTSUPP;
+ return mtd->suspend(mtd);
+}
+
+static inline void mtd_resume(struct mtd_info *mtd)
+{
+ if (mtd->resume)
+ mtd->resume(mtd);
+}
+
+static inline int mtd_block_isbad(struct mtd_info *mtd, loff_t ofs)
+{
+ if (!mtd->block_isbad)
- return -EOPNOTSUPP;
++ return 0;
+ return mtd->block_isbad(mtd, ofs);
+}
+
+static inline int mtd_block_markbad(struct mtd_info *mtd, loff_t ofs)
+{
+ if (!mtd->block_markbad)
+ return -EOPNOTSUPP;
+ return mtd->block_markbad(mtd, ofs);
}
static inline uint32_t mtd_div_by_eb(uint64_t sz, struct mtd_info *mtd)
return do_div(sz, mtd->writesize);
}
- return !!mtd->block_isbad;
+static inline int mtd_has_oob(const struct mtd_info *mtd)
+{
+ return mtd->read_oob && mtd->write_oob;
+}
+
+static inline int mtd_can_have_bb(const struct mtd_info *mtd)
+{
++ return 0;
+}
+
/* Kernel-side ioctl definitions */
struct mtd_partition;
extern void register_mtd_user (struct mtd_notifier *new);
extern int unregister_mtd_user (struct mtd_notifier *old);
-
-int default_mtd_writev(struct mtd_info *mtd, const struct kvec *vecs,
- unsigned long count, loff_t to, size_t *retlen);
-
-int default_mtd_readv(struct mtd_info *mtd, struct kvec *vecs,
- unsigned long count, loff_t from, size_t *retlen);
-
void *mtd_kmalloc_up_to(const struct mtd_info *mtd, size_t *size);
void mtd_erase_callback(struct erase_info *instr);
projects / linux.git / commitdiff