AuxXxilium/linux_dsm_epyc7002
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fdbad98dff
linux_dsm_epyc7002/drivers/mtd/nand
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Josh Wu fdbad98dff mtd: nand: teach write_page and write_page_raw return an error code 
There is an implemention of hardware ECC write page function which may return an
error indication.
For instance, using Atmel HW PMECC to write one page into a nand flash, the hardware
engine will compute the BCH ecc code for this page. so we need read a the
status register to theck whether the ecc code is generated.
But we cannot assume the status register always can be ready, for example,
incorrect hardware configuration or hardware issue, in such case we need
write_page() to return a error code.

Since the definition of 'write_page' function in struct nand_ecc_ctrl is 'void'.
So this patch will:
  1. add return 'int' value for 'write_page' function.
  2. to be consitent, add return 'int' value for 'write_page_raw' fuctions too.
  3. add code to test the return value, and if negative, indicate an
  error happend when write page with ECC.
  4. fix the compile warning in all impacted nand flash driver.

Note: I couldn't compile-test all of these easily, as some had ARCH dependencies.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2012-07-06 18:17:07 +01:00
..
gpmi-nand mtd: nand: teach write_page and write_page_raw return an error code 2012-07-06 18:17:07 +01:00
alauda.c mtd: driver _read() returns max_bitflips; mtd_read() returns -EUCLEAN 2012-05-13 23:14:23 -05:00
ams-delta.c mtd: ams-delta: fix request_mem_region() failure 2012-05-08 16:24:33 -05:00
atmel_nand_ecc.h [ARM] 5265/3: [AT91] Add copyright info 2008-09-21 23:01:18 +01:00
atmel_nand.c mtd: at91: extract hw ecc initialization to one function 2012-07-06 18:17:07 +01:00
au1550nd.c mtd: nand: kill NAND_NO_AUTOINCR option 2012-05-13 23:15:38 -05:00
autcpu12.c ARM: clps711x: Using a single definition for the PHYS and VIRT registers offset 2012-05-11 16:18:01 +02:00
bcm_umi_bch.c mtd: nand: teach write_page and write_page_raw return an error code 2012-07-06 18:17:07 +01:00
bcm_umi_nand.c mtd: nand: add 'oob_required' argument to NAND {read,write}_page interfaces 2012-05-13 23:20:00 -05:00
bf5xx_nand.c mtd: nand: teach write_page and write_page_raw return an error code 2012-07-06 18:17:07 +01:00
cafe_nand.c mtd: nand: teach write_page and write_page_raw return an error code 2012-07-06 18:17:07 +01:00
cmx270_nand.c mtd: do not use plain 0 as NULL 2012-03-27 00:53:20 +01:00
cs553x_nand.c mtd: nand: kill NAND_NO_AUTOINCR option 2012-05-13 23:15:38 -05:00
davinci_nand.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
denali.c mtd: nand: teach write_page and write_page_raw return an error code 2012-07-06 18:17:07 +01:00
denali.h mtd: denali: detect the number of banks 2011-05-25 02:02:12 +01:00
diskonchip.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
docg4.c mtd: nand: teach write_page and write_page_raw return an error code 2012-07-06 18:17:07 +01:00
fsl_elbc_nand.c mtd: nand: teach write_page and write_page_raw return an error code 2012-07-06 18:17:07 +01:00
fsl_ifc_nand.c mtd: nand: teach write_page and write_page_raw return an error code 2012-07-06 18:17:07 +01:00
fsl_upm.c mtd: convert drivers/mtd/* to use module_platform_driver() 2012-01-09 18:12:35 +00:00
fsmc_nand.c mtd: nand: add 'oob_required' argument to NAND {read,write}_page interfaces 2012-05-13 23:20:00 -05:00
gpio.c mtd: gpio-nand: add device tree bindings 2012-01-09 18:23:58 +00:00
h1910.c - More robust parsing especially of xattr data in JFFS2 2012-06-01 16:55:42 -07:00
jz4740_nand.c mtd: nand: fix incorrect ecc strength values 2012-05-13 23:10:28 -05:00
Kconfig mtd: nand: omap: add support for hardware BCH ecc 2012-05-13 23:25:51 -05:00
Makefile MTD merge for 3.4 2012-03-30 17:31:56 -07:00
mpc5121_nfc.c mtd: nand: kill NAND_NO_AUTOINCR option 2012-05-13 23:15:38 -05:00
mxc_nand.c mtd: mxc_nand: add i.MX53 support 2012-07-06 18:17:06 +01:00
nand_base.c mtd: nand: teach write_page and write_page_raw return an error code 2012-07-06 18:17:07 +01:00
nand_bbt.c mtd: nand: Use the mirror BBT descriptor when reading its version 2012-07-06 18:17:06 +01:00
nand_bch.c mtd: cleanup style on pr_debug messages 2011-09-11 15:02:16 +03:00
nand_bcm_umi.c mtd: add bcmring nand driver 2009-10-20 10:07:23 +09:00
nand_bcm_umi.h mtd: nand_bcm: fix hot spin and code duplication 2010-02-26 16:56:35 +00:00
nand_ecc.c mtd: spelling, capitalization, uniformity 2011-09-11 15:02:13 +03:00
nand_ids.c mtd: nand: kill NAND_NO_READRDY 2012-07-06 18:17:05 +01:00
nandsim.c mtd: nandsim: don't open code a do_div helper 2012-07-06 16:59:33 +01:00
ndfc.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
nomadik_nand.c mtd: introduce mtd_resume interface 2012-01-09 18:25:46 +00:00
nuc900_nand.c mtd: convert drivers/mtd/* to use module_platform_driver() 2012-01-09 18:12:35 +00:00
omap2.c mtd: nand: omap: add support for hardware BCH ecc 2012-05-13 23:25:51 -05:00
orion_nand.c arm-soc: clock driver changes 2012-05-26 12:42:29 -07:00
pasemi_nand.c mtd: nand: kill NAND_NO_AUTOINCR option 2012-05-13 23:15:38 -05:00
plat_nand.c mtd: add read_byte support to plat_nand 2012-05-13 23:16:53 -05:00
ppchameleonevb.c mtd: do not use plain 0 as NULL 2012-03-27 00:53:20 +01:00
pxa3xx_nand.c mtd: nand: teach write_page and write_page_raw return an error code 2012-07-06 18:17:07 +01:00
r852.c mtd: nand: remove 'sndcmd' parameter of 'read_oob/read_oob_raw' 2012-05-13 23:24:40 -05:00
r852.h mtd: r852: remove useless pci powerup/down from suspend/resume routines 2010-10-25 01:32:21 +01:00
rtc_from4.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
s3c2410.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
sh_flctl.c mtd: nand: teach write_page and write_page_raw return an error code 2012-07-06 18:17:07 +01:00
sharpsl.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
sm_common.c mtd: nand: kill NAND_NO_AUTOINCR option 2012-05-13 23:15:38 -05:00
sm_common.h mtd: sm_common: split smartmedia and xD table 2010-05-14 01:03:46 +01:00
socrates_nand.c mtd: convert drivers/mtd/* to use module_platform_driver() 2012-01-09 18:12:35 +00:00
spia.c mtd: convert remaining users to mtd_device_register() 2011-05-25 02:25:00 +01:00
tmio_nand.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
txx9ndfmc.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00