From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/drivers/mtd/lpddr/lpddr_cmds.c | 45 ++++++++++++++++++++++++++++++---------------
1 files changed, 30 insertions(+), 15 deletions(-)
diff --git a/kernel/drivers/mtd/lpddr/lpddr_cmds.c b/kernel/drivers/mtd/lpddr/lpddr_cmds.c
index 947bb71..ee063ba 100644
--- a/kernel/drivers/mtd/lpddr/lpddr_cmds.c
+++ b/kernel/drivers/mtd/lpddr/lpddr_cmds.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* LPDDR flash memory device operations. This module provides read, write,
* erase, lock/unlock support for LPDDR flash memories
@@ -5,20 +6,6 @@
* (C) 2008 Vasiliy Leonenko <vasiliy.leonenko@gmail.com>
* Many thanks to Roman Borisov for initial enabling
*
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
* TODO:
* Implement VPP management
* Implement XIP support
@@ -106,6 +93,34 @@
return mtd;
}
EXPORT_SYMBOL(lpddr_cmdset);
+
+static void print_drs_error(unsigned int dsr)
+{
+ int prog_status = (dsr & DSR_RPS) >> 8;
+
+ if (!(dsr & DSR_AVAILABLE))
+ pr_notice("DSR.15: (0) Device not Available\n");
+ if ((prog_status & 0x03) == 0x03)
+ pr_notice("DSR.9,8: (11) Attempt to program invalid half with 41h command\n");
+ else if (prog_status & 0x02)
+ pr_notice("DSR.9,8: (10) Object Mode Program attempt in region with Control Mode data\n");
+ else if (prog_status & 0x01)
+ pr_notice("DSR.9,8: (01) Program attempt in region with Object Mode data\n");
+ if (!(dsr & DSR_READY_STATUS))
+ pr_notice("DSR.7: (0) Device is Busy\n");
+ if (dsr & DSR_ESS)
+ pr_notice("DSR.6: (1) Erase Suspended\n");
+ if (dsr & DSR_ERASE_STATUS)
+ pr_notice("DSR.5: (1) Erase/Blank check error\n");
+ if (dsr & DSR_PROGRAM_STATUS)
+ pr_notice("DSR.4: (1) Program Error\n");
+ if (dsr & DSR_VPPS)
+ pr_notice("DSR.3: (1) Vpp low detect, operation aborted\n");
+ if (dsr & DSR_PSS)
+ pr_notice("DSR.2: (1) Program suspended\n");
+ if (dsr & DSR_DPS)
+ pr_notice("DSR.1: (1) Aborted Erase/Program attempt on locked block\n");
+}
static int wait_for_ready(struct map_info *map, struct flchip *chip,
unsigned int chip_op_time)
@@ -317,7 +332,7 @@
/* Only if there's no operation suspended... */
if (mode == FL_READY && chip->oldstate == FL_READY)
return 0;
-
+ fallthrough;
default:
sleep:
set_current_state(TASK_UNINTERRUPTIBLE);
--
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