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This pull request contains the following core changes:

Browse source 
General changes:
    * Unconfuse get_unmapped_area and point/unpoint driver methods
    * New partition parser: sharpslpart
    * Kill GENERIC_IO
    * Various fixes
 
 NAND changes:
    * Add a flag to mark NANDs that require 3 address cycles to encode a
      page address
    * Set a default ECC/free layout when NAND_ECC_NONE is requested
    * Fix a bug in panic_nand_write()
    * Another batch of cleanups for the denali driver
    * Fix PM support in the atmel driver
    * Remove support for platform data in the omap driver
    * Fix subpage write in the omap driver
    * Fix irq handling in the mtk driver
    * Change link order of mtk_ecc and mtk_nand drivers to speed up boot
      time
    * Change log level of ECC error messages in the mxc driver
    * Patch the pxa3xx driver to support Armada 8k platforms
    * Add BAM DMA support to the qcom driver
    * Convert gpio-nand to the GPIO desc API
    * Fix ECC handling in the mt29f driver
 
 SPI-NOR changes:
    * Introduce system power management support
    * New mechanism to select the proper .quad_enable() hook by JEDEC ID,
      when needed, instead of only by manufacturer ID
    * Add support to new memory parts from Gigadevice, Winbond, Macronix and
      Everspin
    * Maintainance for Cadence, Intel, Mediatek and STM32 drivers
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Merge tag 'for-linus-20171120' of git://git.infradead.org/linux-mtd

Pull MTD updates from Richard Weinberger:
 "General changes:
   -  Unconfuse get_unmapped_area and point/unpoint driver methods
   -  New partition parser: sharpslpart
   -  Kill GENERIC_IO
   -  Various fixes

  NAND changes:
   -  Add a flag to mark NANDs that require 3 address cycles to encode a
      page address
   -  Set a default ECC/free layout when NAND_ECC_NONE is requested
   -  Fix a bug in panic_nand_write()
   -  Another batch of cleanups for the denali driver
   -  Fix PM support in the atmel driver
   -  Remove support for platform data in the omap driver
   -  Fix subpage write in the omap driver
   -  Fix irq handling in the mtk driver
   -  Change link order of mtk_ecc and mtk_nand drivers to speed up boot
      time
   -  Change log level of ECC error messages in the mxc driver
   -  Patch the pxa3xx driver to support Armada 8k platforms
   -  Add BAM DMA support to the qcom driver
   -  Convert gpio-nand to the GPIO desc API
   -  Fix ECC handling in the mt29f driver

  SPI-NOR changes:
   -  Introduce system power management support
   -  New mechanism to select the proper .quad_enable() hook by JEDEC
      ID, when needed, instead of only by manufacturer ID
   -  Add support to new memory parts from Gigadevice, Winbond, Macronix
      and Everspin
   -  Maintainance for Cadence, Intel, Mediatek and STM32 drivers"

*  tag 'for-linus-20171120' of git://git.infradead.org/linux-mtd: (85 commits)
  mtd: Avoid probe failures when mtd->dbg.dfs_dir is invalid
  mtd: sharpslpart: Add sharpslpart partition parser
  mtd: Add sanity checks in mtd_write/read_oob()
  mtd: remove the get_unmapped_area method
  mtd: implement mtd_get_unmapped_area() using the point method
  mtd: chips/map_rom.c: implement point and unpoint methods
  mtd: chips/map_ram.c: implement point and unpoint methods
  mtd: mtdram: properly handle the phys argument in the point method
  mtd: mtdswap: fix spelling mistake: 'TRESHOLD' -> 'THRESHOLD'
  mtd: slram: use memremap() instead of ioremap()
  kconfig: kill off GENERIC_IO option
  mtd: Fix C++ comment in include/linux/mtd/mtd.h
  mtd: constify mtd_partition
  mtd: plat-ram: Replace manual resource management by devm
  mtd: nand: Fix writing mtdoops to nand flash.
  mtd: intel-spi: Add Intel Lewisburg PCH SPI super SKU PCI ID
  mtd: nand: mtk: fix infinite ECC decode IRQ issue
  mtd: spi-nor: Add support for mr25h128
  mtd: nand: mtk: change the compile sequence of mtk_nand.o and mtk_ecc.o
  mtd: spi-nor: enable 4B opcodes for mx66l51235l
  ...
This commit is contained in:
Linus Torvalds 2017-11-22 20:46:06 -10:00
commit 14b661ebb6
67 changed files with 1650 additions and 756 deletions
Download patch file Download diff file Expand all files Collapse all files

6
include/linux/mtd/mtd.h
View file

@ -267,7 +267,7 @@ struct mtd_info {
*/
unsigned int bitflip_threshold;
// Kernel-only stuff starts here.
/* Kernel-only stuff starts here. */
const char *name;
int index;
@ -297,10 +297,6 @@ struct mtd_info {
int (*_point) (struct mtd_info *mtd, loff_t from, size_t len,
size_t *retlen, void **virt, resource_size_t *phys);
int (*_unpoint) (struct mtd_info *mtd, loff_t from, size_t len);
unsigned long (*_get_unmapped_area) (struct mtd_info *mtd,
unsigned long len,
unsigned long offset,
unsigned long flags);
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,

5
include/linux/mtd/nand-gpio.h
View file

@ -5,11 +5,6 @@
#include <linux/mtd/rawnand.h>
struct gpio_nand_platdata {
int gpio_nce;
int gpio_nwp;
int gpio_cle;
int gpio_ale;
int gpio_rdy;
void (*adjust_parts)(struct gpio_nand_platdata *, size_t);
struct mtd_partition *parts;
unsigned int num_parts;

3
include/linux/mtd/rawnand.h
View file

@ -177,6 +177,9 @@ enum nand_ecc_algo {
*/
#define NAND_NEED_SCRAMBLING 0x00002000
/* Device needs 3rd row address cycle */
#define NAND_ROW_ADDR_3 0x00004000
/* Options valid for Samsung large page devices */
#define NAND_SAMSUNG_LP_OPTIONS NAND_CACHEPRG

10
include/linux/mtd/spi-nor.h
View file

@ -231,11 +231,18 @@ enum spi_nor_option_flags {
SNOR_F_USE_CLSR = BIT(5),
};
/**
* struct flash_info - Forward declaration of a structure used internally by
* spi_nor_scan()
*/
struct flash_info;
/**
* struct spi_nor - Structure for defining a the SPI NOR layer
* @mtd: point to a mtd_info structure
* @lock: the lock for the read/write/erase/lock/unlock operations
* @dev: point to a spi device, or a spi nor controller device.
* @info: spi-nor part JDEC MFR id and other info
* @page_size: the page size of the SPI NOR
* @addr_width: number of address bytes
* @erase_opcode: the opcode for erasing a sector
@ -262,6 +269,7 @@ enum spi_nor_option_flags {
* @flash_lock: [FLASH-SPECIFIC] lock a region of the SPI NOR
* @flash_unlock: [FLASH-SPECIFIC] unlock a region of the SPI NOR
* @flash_is_locked: [FLASH-SPECIFIC] check if a region of the SPI NOR is
* @quad_enable: [FLASH-SPECIFIC] enables SPI NOR quad mode
* completely locked
* @priv: the private data
*/
@ -269,6 +277,7 @@ struct spi_nor {
struct mtd_info mtd;
struct mutex lock;
struct device *dev;
const struct flash_info *info;
u32 page_size;
u8 addr_width;
u8 erase_opcode;
@ -296,6 +305,7 @@ struct spi_nor {
int (*flash_lock)(struct spi_nor *nor, loff_t ofs, uint64_t len);
int (*flash_unlock)(struct spi_nor *nor, loff_t ofs, uint64_t len);
int (*flash_is_locked)(struct spi_nor *nor, loff_t ofs, uint64_t len);
int (*quad_enable)(struct spi_nor *nor);
void *priv;
};