target/linux/mediatek/patches-5.4/0301-mtd-mtk-ecc-move-mtk-ecc-header-file-to-include-mtd.patch

   1 From a2479dc254ebe31c84fbcfda73f35e2321576494 Mon Sep 17 00:00:00 2001
   2 From: Xiangsheng Hou <xiangsheng.hou@mediatek.com>
   3 Date: Tue, 19 Mar 2019 13:57:38 +0800
   4 Subject: [PATCH 1/6] mtd: mtk ecc: move mtk ecc header file to include/mtd
   5
   6 Change-Id: I8dc1d30e21b40d68ef5efd9587012f82970156a5
   7 Signed-off-by: Xiangsheng Hou <xiangsheng.hou@mediatek.com>
   8 ---
   9  drivers/mtd/nand/raw/mtk_ecc.c                        | 3 +--
  10  drivers/mtd/nand/raw/mtk_nand.c                       | 2 +-
  11  {drivers/mtd/nand/raw => include/linux/mtd}/mtk_ecc.h | 0
  12  3 files changed, 2 insertions(+), 3 deletions(-)
  13  rename {drivers/mtd/nand/raw => include/linux/mtd}/mtk_ecc.h (100%)
  14
  15 --- a/drivers/mtd/nand/raw/mtk_ecc.c
  16 +++ b/drivers/mtd/nand/raw/mtk_ecc.c
  17 @@ -23,8 +23,7 @@
  18  #include <linux/of.h>
  19  #include <linux/of_platform.h>
  20  #include <linux/mutex.h>
  21 -
  22 -#include "mtk_ecc.h"
  23 +#include <linux/mtd/mtk_ecc.h>
  24
  25  #define ECC_IDLE_MASK          BIT(0)
  26  #define ECC_IRQ_EN             BIT(0)
  27 --- a/drivers/mtd/nand/raw/mtk_nand.c
  28 +++ b/drivers/mtd/nand/raw/mtk_nand.c
  29 @@ -25,7 +25,7 @@
  30  #include <linux/iopoll.h>
  31  #include <linux/of.h>
  32  #include <linux/of_device.h>
  33 -#include "mtk_ecc.h"
  34 +#include <linux/mtd/mtk_ecc.h>
  35
  36  /* NAND controller register definition */
  37  #define NFI_CNFG               (0x00)
  38 --- /dev/null
  39 +++ b/include/linux/mtd/mtk_ecc.h
  40 @@ -0,0 +1,49 @@
  41 +/*
  42 + * MTK SDG1 ECC controller
  43 + *
  44 + * Copyright (c) 2016 Mediatek
  45 + * Authors:    Xiaolei Li              <xiaolei.li@mediatek.com>
  46 + *             Jorge Ramirez-Ortiz     <jorge.ramirez-ortiz@linaro.org>
  47 + * This program is free software; you can redistribute it and/or modify it
  48 + * under the terms of the GNU General Public License version 2 as published
  49 + * by the Free Software Foundation.
  50 + */
  51 +
  52 +#ifndef __DRIVERS_MTD_NAND_MTK_ECC_H__
  53 +#define __DRIVERS_MTD_NAND_MTK_ECC_H__
  54 +
  55 +#include <linux/types.h>
  56 +
  57 +enum mtk_ecc_mode {ECC_DMA_MODE = 0, ECC_NFI_MODE = 1};
  58 +enum mtk_ecc_operation {ECC_ENCODE, ECC_DECODE};
  59 +
  60 +struct device_node;
  61 +struct mtk_ecc;
  62 +
  63 +struct mtk_ecc_stats {
  64 +       u32 corrected;
  65 +       u32 bitflips;
  66 +       u32 failed;
  67 +};
  68 +
  69 +struct mtk_ecc_config {
  70 +       enum mtk_ecc_operation op;
  71 +       enum mtk_ecc_mode mode;
  72 +       dma_addr_t addr;
  73 +       u32 strength;
  74 +       u32 sectors;
  75 +       u32 len;
  76 +};
  77 +
  78 +int mtk_ecc_encode(struct mtk_ecc *, struct mtk_ecc_config *, u8 *, u32);
  79 +void mtk_ecc_get_stats(struct mtk_ecc *, struct mtk_ecc_stats *, int);
  80 +int mtk_ecc_wait_done(struct mtk_ecc *, enum mtk_ecc_operation);
  81 +int mtk_ecc_enable(struct mtk_ecc *, struct mtk_ecc_config *);
  82 +void mtk_ecc_disable(struct mtk_ecc *);
  83 +void mtk_ecc_adjust_strength(struct mtk_ecc *ecc, u32 *p);
  84 +unsigned int mtk_ecc_get_parity_bits(struct mtk_ecc *ecc);
  85 +
  86 +struct mtk_ecc *of_mtk_ecc_get(struct device_node *);
  87 +void mtk_ecc_release(struct mtk_ecc *);
  88 +
  89 +#endif
  90 --- a/drivers/mtd/nand/raw/mtk_ecc.h
  91 +++ /dev/null
  92 @@ -1,47 +0,0 @@
  93 -/* SPDX-License-Identifier: GPL-2.0 OR MIT */
  94 -/*
  95 - * MTK SDG1 ECC controller
  96 - *
  97 - * Copyright (c) 2016 Mediatek
  98 - * Authors:    Xiaolei Li              <xiaolei.li@mediatek.com>
  99 - *             Jorge Ramirez-Ortiz     <jorge.ramirez-ortiz@linaro.org>
 100 - */
 101 -
 102 -#ifndef __DRIVERS_MTD_NAND_MTK_ECC_H__
 103 -#define __DRIVERS_MTD_NAND_MTK_ECC_H__
 104 -
 105 -#include <linux/types.h>
 106 -
 107 -enum mtk_ecc_mode {ECC_DMA_MODE = 0, ECC_NFI_MODE = 1};
 108 -enum mtk_ecc_operation {ECC_ENCODE, ECC_DECODE};
 109 -
 110 -struct device_node;
 111 -struct mtk_ecc;
 112 -
 113 -struct mtk_ecc_stats {
 114 -       u32 corrected;
 115 -       u32 bitflips;
 116 -       u32 failed;
 117 -};
 118 -
 119 -struct mtk_ecc_config {
 120 -       enum mtk_ecc_operation op;
 121 -       enum mtk_ecc_mode mode;
 122 -       dma_addr_t addr;
 123 -       u32 strength;
 124 -       u32 sectors;
 125 -       u32 len;
 126 -};
 127 -
 128 -int mtk_ecc_encode(struct mtk_ecc *, struct mtk_ecc_config *, u8 *, u32);
 129 -void mtk_ecc_get_stats(struct mtk_ecc *, struct mtk_ecc_stats *, int);
 130 -int mtk_ecc_wait_done(struct mtk_ecc *, enum mtk_ecc_operation);
 131 -int mtk_ecc_enable(struct mtk_ecc *, struct mtk_ecc_config *);
 132 -void mtk_ecc_disable(struct mtk_ecc *);
 133 -void mtk_ecc_adjust_strength(struct mtk_ecc *ecc, u32 *p);
 134 -unsigned int mtk_ecc_get_parity_bits(struct mtk_ecc *ecc);
 135 -
 136 -struct mtk_ecc *of_mtk_ecc_get(struct device_node *);
 137 -void mtk_ecc_release(struct mtk_ecc *);
 138 -
 139 -#endif