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/linux/drivers/media/i2c/
H A Dlm3560.c124 static int lm3560_mode_ctrl(struct lm3560_flash *flash) in lm3560_mode_ctrl() argument
128 switch (flash->led_mode) { in lm3560_mode_ctrl()
130 rval = regmap_update_bits(flash->regmap, in lm3560_mode_ctrl()
134 rval = regmap_update_bits(flash->regmap, in lm3560_mode_ctrl()
138 rval = regmap_update_bits(flash->regmap, in lm3560_mode_ctrl()
146 static int lm3560_enable_ctrl(struct lm3560_flash *flash, in lm3560_enable_ctrl() argument
153 rval = regmap_update_bits(flash->regmap, in lm3560_enable_ctrl()
156 rval = regmap_update_bits(flash->regmap, in lm3560_enable_ctrl()
160 rval = regmap_update_bits(flash->regmap, in lm3560_enable_ctrl()
163 rval = regmap_update_bits(flash->regmap, in lm3560_enable_ctrl()
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/linux/drivers/mtd/devices/
H A Dsst25l.c67 static int sst25l_status(struct sst25l_flash *flash, int *status) in sst25l_status() argument
83 err = spi_sync(flash->spi, &m); in sst25l_status()
91 static int sst25l_write_enable(struct sst25l_flash *flash, int enable) in sst25l_write_enable() argument
97 err = spi_write(flash->spi, command, 1); in sst25l_write_enable()
102 err = spi_write(flash->spi, command, 1); in sst25l_write_enable()
108 err = spi_write(flash->spi, command, 2); in sst25l_write_enable()
113 err = sst25l_status(flash, &status); in sst25l_write_enable()
123 static int sst25l_wait_till_ready(struct sst25l_flash *flash) in sst25l_wait_till_ready() argument
130 err = sst25l_status(flash, &status); in sst25l_wait_till_ready()
142 static int sst25l_erase_sector(struct sst25l_flash *flash, uint32_t offset) in sst25l_erase_sector() argument
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H A Dmchp23k256.c41 static void mchp23k256_addr2cmd(struct mchp23k256_flash *flash, in mchp23k256_addr2cmd() argument
51 for (i = flash->caps->addr_width; i > 0; i--, addr >>= 8) in mchp23k256_addr2cmd()
55 static int mchp23k256_cmdsz(struct mchp23k256_flash *flash) in mchp23k256_cmdsz() argument
57 return 1 + flash->caps->addr_width; in mchp23k256_cmdsz()
63 struct mchp23k256_flash *flash = to_mchp23k256_flash(mtd); in mchp23k256_write() local
71 cmd_len = mchp23k256_cmdsz(flash); in mchp23k256_write()
74 mchp23k256_addr2cmd(flash, to, command); in mchp23k256_write()
84 mutex_lock(&flash->lock); in mchp23k256_write()
86 ret = spi_sync(flash->spi, &message); in mchp23k256_write()
88 mutex_unlock(&flash->lock); in mchp23k256_write()
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H A Dspear_smi.c178 struct spear_snor_flash *flash[MAX_NUM_FLASH_CHIP]; member
420 get_sector_erase_cmd(struct spear_snor_flash *flash, u32 offset) in get_sector_erase_cmd() argument
425 x[0] = flash->erase_cmd; in get_sector_erase_cmd()
496 struct spear_snor_flash *flash = get_flash_data(mtd); in spear_mtd_erase() local
501 if (!flash || !dev) in spear_mtd_erase()
504 bank = flash->bank; in spear_mtd_erase()
513 mutex_lock(&flash->lock); in spear_mtd_erase()
517 command = get_sector_erase_cmd(flash, addr); in spear_mtd_erase()
521 mutex_unlock(&flash->lock); in spear_mtd_erase()
528 mutex_unlock(&flash->lock); in spear_mtd_erase()
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/linux/drivers/sbus/char/
H A Dflash.c31 } flash; variable
40 if (flash.read_base == flash.write_base) { in flash_mmap()
41 addr = flash.read_base; in flash_mmap()
42 size = flash.read_size; in flash_mmap()
50 addr = flash.read_base; in flash_mmap()
51 size = flash.read_size; in flash_mmap()
53 addr = flash.write_base; in flash_mmap()
54 size = flash.write_size; in flash_mmap()
87 if (file->f_pos > flash.read_size) in flash_llseek()
88 file->f_pos = flash.read_size; in flash_llseek()
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/linux/Documentation/ABI/testing/
H A Dsysfs-class-led-flash6 Set the brightness of this LED in the flash strobe mode, in
7 microamperes. The file is created only for the flash LED devices
8 that support setting flash brightness.
18 Maximum brightness level for this LED in the flash strobe mode,
26 Hardware timeout for flash, in microseconds. The flash strobe
28 of the strobe. The file is created only for the flash LED
29 devices that support setting flash timeout.
36 Maximum flash timeout for this LED, in microseconds.
43 Flash strobe state. When written with 1 it triggers flash strobe
44 and when written with 0 it turns the flash off.
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H A Dsysfs-bus-spi-devices-spi-nor5 Description: (RO) The JEDEC ID of the SPI NOR flash as reported by the
6 flash device.
8 The attribute is not present if the flash doesn't support
16 Description: (RO) Manufacturer of the SPI NOR flash.
18 The attribute is not present if the flash device isn't
26 Description: (RO) Part name of the SPI NOR flash.
36 Description: (RO) This attribute is only present if the SPI NOR flash
39 If present, it contains the complete SFDP (serial flash
40 discoverable parameters) binary data of the flash.
/linux/Documentation/leds/
H A Dleds-class-flash.rst5 Some LED devices provide two modes - torch and flash. In the LED subsystem
8 by default and the flash ones only if a driver declares it by setting
11 In order to enable the support for flash LEDs CONFIG_LEDS_CLASS_FLASH symbol
15 Following sysfs attributes are exposed for controlling flash LED devices:
16 (see Documentation/ABI/testing/sysfs-class-led-flash)
26 V4L2 flash wrapper for flash LEDs
37 flash device, e.g. an I2C device
41 LED flash class device to wrap
43 LED flash class device representing indicator LED associated with
49 defines the source of the flash LED strobe -
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/linux/drivers/net/ethernet/brocade/bna/
H A Dbfa_ioc.c3033 bfa_flash_cb(struct bfa_flash *flash) in bfa_flash_cb() argument
3035 flash->op_busy = 0; in bfa_flash_cb()
3036 if (flash->cbfn) in bfa_flash_cb()
3037 flash->cbfn(flash->cbarg, flash->status); in bfa_flash_cb()
3043 struct bfa_flash *flash = cbarg; in bfa_flash_notify() local
3048 if (flash->op_busy) { in bfa_flash_notify()
3049 flash->status = BFA_STATUS_IOC_FAILURE; in bfa_flash_notify()
3050 flash->cbfn(flash->cbarg, flash->status); in bfa_flash_notify()
3051 flash->op_busy = 0; in bfa_flash_notify()
3063 bfa_flash_write_send(struct bfa_flash *flash) in bfa_flash_write_send() argument
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/linux/Documentation/networking/devlink/
H A Ddevlink-flash.rst9 The ``devlink-flash`` API allows updating device firmware. It replaces the
10 older ``ethtool-flash`` mechanism, and doesn't require taking any
11 networking locks in the kernel to perform the flash update. Example use::
13 $ devlink dev flash pci/0000:05:00.0 file flash-boot.bin
22 The ``devlink-flash`` command allows optionally specifying a mask indicating
23 how the device should handle subsections of flash components when updating.
51 memory on the board, e.g. flash. Some devices store only basic firmware on
57 disk, or automatically flash a new image from disk. The ``fw_load_policy``
66 Drivers are expected to implement ``devlink-flash`` and ``devlink-info``
91 # Find out which FW flash we want to use for this NIC
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/linux/drivers/leds/flash/
H A Dleds-mt6360.c78 struct led_classdev_flash flash; member
160 container_of(lcdev, struct mt6360_led, flash.led_cdev); in mt6360_torch_brightness_set()
224 container_of(fl_cdev, struct mt6360_led, flash); in _mt6360_flash_brightness_set()
237 container_of(fl_cdev, struct mt6360_led, flash); in mt6360_strobe_set()
313 container_of(fl_cdev, struct mt6360_led, flash); in mt6360_strobe_get()
326 container_of(fl_cdev, struct mt6360_led, flash); in mt6360_timeout_set()
343 container_of(fl_cdev, struct mt6360_led, flash); in mt6360_fault_get()
429 struct led_classdev_flash *flash = &led->flash; in mt6360_flash_init_default_state() local
453 flash->led_cdev.brightness = flash->led_cdev.max_brightness; in mt6360_flash_init_default_state()
456 flash->led_cdev.brightness = in mt6360_flash_init_default_state()
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H A Dleds-mt6370-flash.c71 struct led_classdev_flash flash; member
89 struct mt6370_led *led = to_mt6370_led(lcdev, flash.led_cdev); in mt6370_torch_brightness_set()
166 struct mt6370_led *led = to_mt6370_led(fl_cdev, flash); in _mt6370_flash_brightness_set()
197 struct mt6370_led *led = to_mt6370_led(fl_cdev, flash); in mt6370_strobe_set()
262 struct mt6370_led *led = to_mt6370_led(fl_cdev, flash); in mt6370_strobe_get()
274 struct mt6370_led *led = to_mt6370_led(fl_cdev, flash); in mt6370_timeout_set()
284 struct mt6370_led *led = to_mt6370_led(fl_cdev, flash); in mt6370_fault_get()
346 struct led_classdev_flash *flash = v4l2_flash->fled_cdev; in mt6370_flash_external_strobe_set() local
347 struct mt6370_led *led = to_mt6370_led(flash, flash); in mt6370_flash_external_strobe_set()
379 lcdev = &led->flash.led_cdev; in mt6370_init_v4l2_flash_config()
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H A Dleds-sy7802.c89 struct led_classdev_flash flash; member
111 struct sy7802_led *led = container_of(lcdev, struct sy7802_led, flash.led_cdev); in sy7802_torch_brightness_set()
175 struct sy7802_led *led = container_of(fl_cdev, struct sy7802_led, flash); in sy7802_flash_brightness_set()
196 struct sy7802_led *led = container_of(fl_cdev, struct sy7802_led, flash); in sy7802_strobe_set()
240 struct sy7802_led *led = container_of(fl_cdev, struct sy7802_led, flash); in sy7802_strobe_get()
252 struct sy7802_led *led = container_of(fl_cdev, struct sy7802_led, flash); in sy7802_timeout_set()
262 struct sy7802_led *led = container_of(fl_cdev, struct sy7802_led, flash); in sy7802_fault_get()
325 ret = devm_led_classdev_flash_register_ext(dev, &led->flash, &init_data); in sy7802_led_register()
337 struct led_classdev_flash *flash = &led->flash; in sy7802_init_flash_properties() local
338 struct led_classdev *lcdev = &flash->led_cdev; in sy7802_init_flash_properties()
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/linux/drivers/mtd/chips/
H A DKconfig6 tristate "Detect flash chips by Common Flash Interface (CFI) probe"
11 AMD and other flash manufactures that provides a universal method
12 for probing the capabilities of flash devices. If you wish to
18 tristate "Detect non-CFI AMD/JEDEC-compatible flash chips"
22 This option enables JEDEC-style probing of flash chips which are not
24 CFI-targeted flash drivers for any chips which are identified which
36 If you need to specify a specific endianness for access to flash
38 support for only specific arrangements of flash chips, say 'Y'. This
128 bool "Support 1-chip flash interleave" if MTD_CFI_GEOMETRY
131 If your flash chips are not interleaved - i.e. you only have one
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/linux/drivers/firmware/microchip/
H A Dmpfs-auto-update.c82 struct mtd_info *flash; member
116 erase_size = round_up(erase_size, (u64)priv->flash->erasesize); in mpfs_auto_update_prepare()
127 priv->size_per_bitstream = priv->flash->size - SZ_1K - SZ_1M; in mpfs_auto_update_prepare()
202 size_t erase_size = round_up(AUTO_UPDATE_DIRECTORY_SIZE, (u64)priv->flash->erasesize); in mpfs_auto_update_set_image_address()
221 ret = mtd_read(priv->flash, AUTO_UPDATE_DIRECTORY_BASE, erase_size, &bytes_read, in mpfs_auto_update_set_image_address()
233 ret = mtd_erase(priv->flash, &erase); in mpfs_auto_update_set_image_address()
249 ret = mtd_write(priv->flash, 0x0, erase_size, &bytes_written, (u_char *)buffer); in mpfs_auto_update_set_image_address()
271 erase_size = round_up(erase_size, (u64)priv->flash->erasesize); in mpfs_auto_update_write_bitstream()
301 erase.len = round_up(size, (size_t)priv->flash->erasesize); in mpfs_auto_update_write_bitstream()
305 ret = mtd_erase(priv->flash, &erase); in mpfs_auto_update_write_bitstream()
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/linux/Documentation/devicetree/bindings/leds/
H A Dleds-lm3601x.txt3 The LM3601X are ultra-small LED flash drivers that
18 Required properties for flash LED child nodes:
20 - flash-max-microamp : Range from 11mA - 1.5A
21 - flash-max-timeout-us : Range from 40ms - 1600ms
44 flash-max-microamp = <1500000>;
45 flash-max-timeout-us = <1600000>;
/linux/drivers/scsi/aic94xx/
H A Daic94xx_sds.c556 d = asd_read_reg_byte(asd_ha, asd_ha->hw_prof.flash.bar); in asd_poll_flash()
557 d ^= asd_read_reg_byte(asd_ha, asd_ha->hw_prof.flash.bar); in asd_poll_flash()
572 asd_write_reg_byte(asd_ha, asd_ha->hw_prof.flash.bar, FLASH_RESET); in asd_reset_flash()
581 asd_read_reg_string(asd_ha, buffer, asd_ha->hw_prof.flash.bar+offs, in asd_read_flash_seg()
603 asd_ha->hw_prof.flash.dir_offs = v; in asd_find_flash_dir()
620 &asd_ha->hw_prof.flash.bar)) { in asd_flash_getid()
625 asd_ha->hw_prof.flash.present = 1; in asd_flash_getid()
626 asd_ha->hw_prof.flash.wide = reg & FLASHW ? 1 : 0; in asd_flash_getid()
1091 reg = asd_ha->hw_prof.flash.bar; in asd_verify_flash_seg()
1121 reg = asd_ha->hw_prof.flash.bar; in asd_write_flash_seg()
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/linux/arch/arm64/boot/dts/freescale/
H A Dfsl-ls1088a-qds.dts24 flash@0 {
32 flash@1 {
42 flash@2 {
116 flash@0,0 {
117 compatible = "cfi-flash";
149 s25fs512s0: flash@0 {
159 s25fs512s1: flash@1 {
/linux/drivers/mtd/parsers/
H A DKconfig33 command line. Multiple flash resources are supported for hardware where
34 different kinds of flash memory are available.
57 1 flash resource (mtd-id "sa1100"), with 1 single writable partition:
60 Same flash, but 2 named partitions, the first one being read-only:
72 flash memory node, as described in
90 Northstar architecture. Linksys commonly uses fixed flash layout with
109 The ARM Firmware Suite allows the user to divide flash devices into
125 TP-Link home routers use flash partitions to store various data. Info
126 about flash space layout is stored in a partitions table using a
146 tristate "Sharp SL Series NAND flash partition parser"
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/linux/Documentation/driver-api/mtd/
H A Dspi-intel.rst5 Many Intel CPUs like Baytrail and Braswell include SPI serial flash host
7 Since contents of the SPI serial flash is crucial for machine to function,
11 Not all manufacturers protect the SPI serial flash, mainly because it
15 flash, if certain protection bits are not set and locked. If it finds
17 partial overwrites. By default the driver exposes SPI serial flash
21 Please keep in mind that overwriting the BIOS image on SPI serial flash
32 serial flash. Distros like Debian and Fedora have this prepackaged with
63 7) Erase the SPI serial flash. After this step, do not reboot the
73 9) Verify that the new content of the SPI serial flash matches the new
/linux/drivers/mtd/maps/
H A Dpxa2xx-flash.c46 struct flash_platform_data *flash = dev_get_platdata(&pdev->dev); in pxa2xx_flash_probe() local
58 info->map.name = flash->name; in pxa2xx_flash_probe()
59 info->map.bankwidth = flash->width; in pxa2xx_flash_probe()
83 info->mtd = do_map_probe(flash->map_name, &info->map); in pxa2xx_flash_probe()
94 mtd_device_parse_register(info->mtd, probes, NULL, flash->parts, in pxa2xx_flash_probe()
95 flash->nr_parts); in pxa2xx_flash_probe()
/linux/Documentation/arch/arm/sa1100/
H A Dassabet.rst52 you need to have RedBoot installed in your flash memory. A known to work
75 To initialize the flash directory::
85 Writing a kernel image into flash
97 To write it to flash::
113 Now the kernel can be retrieved from flash like this::
121 The ramdisk image could be stored into flash as well, but there are better
122 solutions for on-flash filesystems as mentioned below.
129 convenient way to store a writable filesystem into flash. JFFS2 is used in
130 conjunction with the MTD layer which is responsible for low-level flash
147 Now we must know the size of the unallocated flash::
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/linux/arch/powerpc/boot/dts/fsl/
H A Dgef_sbc610.dts31 ranges = <0 0 0xff000000 0x01000000 // 16MB Boot flash
40 /* flash@0,0 is a mirror of part of the memory in flash@1,0
41 flash@0,0 {
42 compatible = "gef,sbc610-firmware-mirror", "cfi-flash";
56 flash@1,0 {
57 compatible = "gef,sbc610-paged-flash", "cfi-flash";
/linux/arch/arm/boot/dts/gemini/
H A Dgemini-wbd111.dts46 /* Conflict with TVC and extended parallel flash */
52 /* Conflict with TVC and extended parallel flash */
58 /* Conflict with TVC and extended parallel flash */
64 /* Conflict with TVC and extended parallel flash */
85 flash@30000000 {
87 /* 8MB of flash */
/linux/drivers/net/ethernet/intel/ice/
H A Dice_nvm.c86 if (read_shadow_ram && ((offset + inlen) > (hw->flash.sr_words * 2u))) { in ice_read_flat_nvm()
247 if (hw->flash.blank_nvm_mode) in ice_acquire_nvm()
261 if (hw->flash.blank_nvm_mode) in ice_release_nvm()
281 struct ice_bank_info *banks = &hw->flash.banks; in ice_get_flash_bank_offset()
416 sr_copy = roundup(hw->flash.banks.active_css_hdr_len, 32); in ice_read_nvm_sr_copy()
419 sr_copy = roundup(hw->flash.banks.inactive_css_hdr_len, 32); in ice_read_nvm_sr_copy()
671 orom_data = vzalloc(hw->flash.banks.orom_size); in ice_get_orom_civd_data()
676 orom_data, hw->flash.banks.orom_size); in ice_get_orom_civd_data()
684 for (offset = 0; (offset + 512) <= hw->flash.banks.orom_size; offset += 512) { in ice_get_orom_civd_data()
894 hw->flash.flash_size = max_size; in ice_discover_flash_size()
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