From 50a212ec906f7524620675f0c57357691c26c81f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 16 Oct 2024 01:20:19 +0000
Subject: [PATCH] 修改GPIO导出默认初始值
---
kernel/drivers/mtd/nand/raw/omap_elm.c | 42 ++++++++++++++++++------------------------
1 files changed, 18 insertions(+), 24 deletions(-)
diff --git a/kernel/drivers/mtd/nand/raw/omap_elm.c b/kernel/drivers/mtd/nand/raw/omap_elm.c
index 6736777..dad17fa 100644
--- a/kernel/drivers/mtd/nand/raw/omap_elm.c
+++ b/kernel/drivers/mtd/nand/raw/omap_elm.c
@@ -1,18 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Error Location Module
*
- * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
+ * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/
*/
#define DRIVER_NAME "omap-elm"
@@ -184,17 +174,17 @@
switch (info->bch_type) {
case BCH8_ECC:
/* syndrome fragment 0 = ecc[9-12B] */
- val = cpu_to_be32(*(u32 *) &ecc[9]);
+ val = (__force u32)cpu_to_be32(*(u32 *)&ecc[9]);
elm_write_reg(info, offset, val);
/* syndrome fragment 1 = ecc[5-8B] */
offset += 4;
- val = cpu_to_be32(*(u32 *) &ecc[5]);
+ val = (__force u32)cpu_to_be32(*(u32 *)&ecc[5]);
elm_write_reg(info, offset, val);
/* syndrome fragment 2 = ecc[1-4B] */
offset += 4;
- val = cpu_to_be32(*(u32 *) &ecc[1]);
+ val = (__force u32)cpu_to_be32(*(u32 *)&ecc[1]);
elm_write_reg(info, offset, val);
/* syndrome fragment 3 = ecc[0B] */
@@ -204,35 +194,35 @@
break;
case BCH4_ECC:
/* syndrome fragment 0 = ecc[20-52b] bits */
- val = (cpu_to_be32(*(u32 *) &ecc[3]) >> 4) |
+ val = ((__force u32)cpu_to_be32(*(u32 *)&ecc[3]) >> 4) |
((ecc[2] & 0xf) << 28);
elm_write_reg(info, offset, val);
/* syndrome fragment 1 = ecc[0-20b] bits */
offset += 4;
- val = cpu_to_be32(*(u32 *) &ecc[0]) >> 12;
+ val = (__force u32)cpu_to_be32(*(u32 *)&ecc[0]) >> 12;
elm_write_reg(info, offset, val);
break;
case BCH16_ECC:
- val = cpu_to_be32(*(u32 *) &ecc[22]);
+ val = (__force u32)cpu_to_be32(*(u32 *)&ecc[22]);
elm_write_reg(info, offset, val);
offset += 4;
- val = cpu_to_be32(*(u32 *) &ecc[18]);
+ val = (__force u32)cpu_to_be32(*(u32 *)&ecc[18]);
elm_write_reg(info, offset, val);
offset += 4;
- val = cpu_to_be32(*(u32 *) &ecc[14]);
+ val = (__force u32)cpu_to_be32(*(u32 *)&ecc[14]);
elm_write_reg(info, offset, val);
offset += 4;
- val = cpu_to_be32(*(u32 *) &ecc[10]);
+ val = (__force u32)cpu_to_be32(*(u32 *)&ecc[10]);
elm_write_reg(info, offset, val);
offset += 4;
- val = cpu_to_be32(*(u32 *) &ecc[6]);
+ val = (__force u32)cpu_to_be32(*(u32 *)&ecc[6]);
elm_write_reg(info, offset, val);
offset += 4;
- val = cpu_to_be32(*(u32 *) &ecc[2]);
+ val = (__force u32)cpu_to_be32(*(u32 *)&ecc[2]);
elm_write_reg(info, offset, val);
offset += 4;
- val = cpu_to_be32(*(u32 *) &ecc[0]) >> 16;
+ val = (__force u32)cpu_to_be32(*(u32 *)&ecc[0]) >> 16;
elm_write_reg(info, offset, val);
break;
default:
@@ -466,11 +456,13 @@
ELM_SYNDROME_FRAGMENT_5 + offset);
regs->elm_syndrome_fragment_4[i] = elm_read_reg(info,
ELM_SYNDROME_FRAGMENT_4 + offset);
+ fallthrough;
case BCH8_ECC:
regs->elm_syndrome_fragment_3[i] = elm_read_reg(info,
ELM_SYNDROME_FRAGMENT_3 + offset);
regs->elm_syndrome_fragment_2[i] = elm_read_reg(info,
ELM_SYNDROME_FRAGMENT_2 + offset);
+ fallthrough;
case BCH4_ECC:
regs->elm_syndrome_fragment_1[i] = elm_read_reg(info,
ELM_SYNDROME_FRAGMENT_1 + offset);
@@ -512,11 +504,13 @@
regs->elm_syndrome_fragment_5[i]);
elm_write_reg(info, ELM_SYNDROME_FRAGMENT_4 + offset,
regs->elm_syndrome_fragment_4[i]);
+ fallthrough;
case BCH8_ECC:
elm_write_reg(info, ELM_SYNDROME_FRAGMENT_3 + offset,
regs->elm_syndrome_fragment_3[i]);
elm_write_reg(info, ELM_SYNDROME_FRAGMENT_2 + offset,
regs->elm_syndrome_fragment_2[i]);
+ fallthrough;
case BCH4_ECC:
elm_write_reg(info, ELM_SYNDROME_FRAGMENT_1 + offset,
regs->elm_syndrome_fragment_1[i]);
--
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