diff options
author | Warner Losh <imp@FreeBSD.org> | 2019-06-25 04:50:09 +0000 |
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committer | Warner Losh <imp@FreeBSD.org> | 2019-06-25 04:50:09 +0000 |
commit | f5a95d9a07941650493461c255408f5727d0638b (patch) | |
tree | ec681c8739341d8c1e8ff3b891e07a31c0fb3ace /sys/dev/nand/nand_if.m | |
parent | e861dab451869582008237a8c11e97348d2440ce (diff) | |
download | src-f5a95d9a0794.tar.gz src-f5a95d9a0794.zip |
Remove NAND and NANDFS support
NANDFS has been broken for years. Remove it. The NAND drivers that
remain are for ancient parts that are no longer relevant. They are
polled, have terrible performance and just for ancient arm
hardware. NAND parts have evolved significantly from this early work
and little to none of it would be relevant should someone need to
update to support raw nand. This code has been off by default for
years and has violated the vnode protocol leading to panics since it
was committed.
Numerous posts to arch@ and other locations have found no actual users
for this software.
Relnotes: Yes
No Objection From: arch@
Differential Revision: https://reviews.freebsd.org/D20745
Notes
Notes:
svn path=/head/; revision=349352
Diffstat (limited to 'sys/dev/nand/nand_if.m')
-rw-r--r-- | sys/dev/nand/nand_if.m | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/sys/dev/nand/nand_if.m b/sys/dev/nand/nand_if.m deleted file mode 100644 index 49c8879b6890..000000000000 --- a/sys/dev/nand/nand_if.m +++ /dev/null @@ -1,168 +0,0 @@ -#- -# Copyright (C) 2009-2012 Semihalf -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# 1. Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# 2. Redistributions in binary form must reproduce the above copyright -# notice, this list of conditions and the following disclaimer in the -# documentation and/or other materials provided with the distribution. -# -# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND -# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE -# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS -# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) -# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF -# SUCH DAMAGE. -# -# $FreeBSD$ - -# NAND chip interface description -# - -#include <sys/bus.h> -#include <dev/nand/nand.h> - -INTERFACE nand; - -CODE { - static int nand_method_not_supported(device_t dev) - { - return (ENOENT); - } -}; - -# Read NAND page -# -# Return values: -# 0: Success -# -METHOD int read_page { - device_t dev; - uint32_t page; - void* buf; - uint32_t len; - uint32_t offset; -}; - -# Program NAND page -# -# Return values: -# 0: Success -# -METHOD int program_page { - device_t dev; - uint32_t page; - void* buf; - uint32_t len; - uint32_t offset; -}; - -# Program NAND page interleaved -# -# Return values: -# 0: Success -# -METHOD int program_page_intlv { - device_t dev; - uint32_t page; - void* buf; - uint32_t len; - uint32_t offset; -} DEFAULT nand_method_not_supported; - -# Read NAND oob -# -# Return values: -# 0: Success -# -METHOD int read_oob { - device_t dev; - uint32_t page; - void* buf; - uint32_t len; - uint32_t offset; -}; - -# Program NAND oob -# -# Return values: -# 0: Success -# -METHOD int program_oob { - device_t dev; - uint32_t page; - void* buf; - uint32_t len; - uint32_t offset; -}; - -# Erase NAND block -# -# Return values: -# 0: Success -# -METHOD int erase_block { - device_t dev; - uint32_t block; -}; - -# Erase NAND block interleaved -# -# Return values: -# 0: Success -# -METHOD int erase_block_intlv { - device_t dev; - uint32_t block; -} DEFAULT nand_method_not_supported; - -# NAND get status -# -# Return values: -# 0: Success -# -METHOD int get_status { - device_t dev; - uint8_t *status; -}; - -# NAND check if block is bad -# -# Return values: -# 0: Success -# -METHOD int is_blk_bad { - device_t dev; - uint32_t block_number; - uint8_t *bad; -}; - -# NAND get ECC -# -# -METHOD int get_ecc { - device_t dev; - void *buf; - void *ecc; - int *needwrite; -}; - -# NAND correct ECC -# -# -METHOD int correct_ecc { - device_t dev; - void *buf; - void *readecc; - void *calcecc; -}; - |