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/mmc/core/debugfs.c | 91 +++++----------------------------------------
1 files changed, 10 insertions(+), 81 deletions(-)
diff --git a/kernel/drivers/mmc/core/debugfs.c b/kernel/drivers/mmc/core/debugfs.c
index 4ee261d..9ec84c8 100644
--- a/kernel/drivers/mmc/core/debugfs.c
+++ b/kernel/drivers/mmc/core/debugfs.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Debugfs support for hosts and cards
*
* Copyright (C) 2008 Atmel Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/moduleparam.h>
#include <linux/export.h>
@@ -222,32 +219,7 @@
return 0;
}
-DEFINE_SIMPLE_ATTRIBUTE(mmc_clock_fops, mmc_clock_opt_get, mmc_clock_opt_set,
- "%llu\n");
-
-static int mmc_max_clock_opt_get(void *data, u64 *val)
-{
- struct mmc_host *host = data;
-
- *val = host->f_max;
-
- return 0;
-}
-
-static int mmc_max_clock_opt_set(void *data, u64 val)
-{
- struct mmc_host *host = data;
-
- /* We need this check due to input value is u64 */
- if (val != 0 && (val > UHS_SDR104_MAX_DTR || val < host->f_min))
- return -EINVAL;
-
- host->f_max = (unsigned int) val;
-
- return 0;
-}
-
-DEFINE_DEBUGFS_ATTRIBUTE(mmc_max_clock_fops, mmc_max_clock_opt_get, mmc_max_clock_opt_set,
+DEFINE_DEBUGFS_ATTRIBUTE(mmc_clock_fops, mmc_clock_opt_get, mmc_clock_opt_set,
"%llu\n");
void mmc_add_host_debugfs(struct mmc_host *host)
@@ -255,48 +227,21 @@
struct dentry *root;
root = debugfs_create_dir(mmc_hostname(host), NULL);
- if (IS_ERR(root))
- /* Don't complain -- debugfs just isn't enabled */
- return;
- if (!root)
- /* Complain -- debugfs is enabled, but it failed to
- * create the directory. */
- goto err_root;
-
host->debugfs_root = root;
- if (!debugfs_create_file("ios", S_IRUSR, root, host, &mmc_ios_fops))
- goto err_node;
-
- if (!debugfs_create_x32("caps", S_IRUSR, root, &host->caps))
- goto err_node;
-
- if (!debugfs_create_x32("caps2", S_IRUSR, root, &host->caps2))
- goto err_node;
-
- if (!debugfs_create_file("clock", S_IRUSR | S_IWUSR, root, host,
- &mmc_clock_fops))
- goto err_node;
-
- debugfs_create_file_unsafe("max_clock", S_IRUSR | S_IWUSR, root, host,
- &mmc_max_clock_fops);
+ debugfs_create_file("ios", S_IRUSR, root, host, &mmc_ios_fops);
+ debugfs_create_x32("caps", S_IRUSR, root, &host->caps);
+ debugfs_create_x32("caps2", S_IRUSR, root, &host->caps2);
+ debugfs_create_file_unsafe("clock", S_IRUSR | S_IWUSR, root, host,
+ &mmc_clock_fops);
#ifdef CONFIG_FAIL_MMC_REQUEST
if (fail_request)
setup_fault_attr(&fail_default_attr, fail_request);
host->fail_mmc_request = fail_default_attr;
- if (IS_ERR(fault_create_debugfs_attr("fail_mmc_request",
- root,
- &host->fail_mmc_request)))
- goto err_node;
+ fault_create_debugfs_attr("fail_mmc_request", root,
+ &host->fail_mmc_request);
#endif
- return;
-
-err_node:
- debugfs_remove_recursive(root);
- host->debugfs_root = NULL;
-err_root:
- dev_err(&host->class_dev, "failed to initialize debugfs\n");
}
void mmc_remove_host_debugfs(struct mmc_host *host)
@@ -313,25 +258,9 @@
return;
root = debugfs_create_dir(mmc_card_id(card), host->debugfs_root);
- if (IS_ERR(root))
- /* Don't complain -- debugfs just isn't enabled */
- return;
- if (!root)
- /* Complain -- debugfs is enabled, but it failed to
- * create the directory. */
- goto err;
-
card->debugfs_root = root;
- if (!debugfs_create_x32("state", S_IRUSR, root, &card->state))
- goto err;
-
- return;
-
-err:
- debugfs_remove_recursive(root);
- card->debugfs_root = NULL;
- dev_err(&card->dev, "failed to initialize debugfs\n");
+ debugfs_create_x32("state", S_IRUSR, root, &card->state);
}
void mmc_remove_card_debugfs(struct mmc_card *card)
--
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