From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/hwmon/pmbus/pmbus.c | 98 +++++++++++++++++++++++++++----------------------
1 files changed, 54 insertions(+), 44 deletions(-)
diff --git a/kernel/drivers/hwmon/pmbus/pmbus.c b/kernel/drivers/hwmon/pmbus/pmbus.c
index 7688dab..20f1af9 100644
--- a/kernel/drivers/hwmon/pmbus/pmbus.c
+++ b/kernel/drivers/hwmon/pmbus/pmbus.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Hardware monitoring driver for PMBus devices
*
* Copyright (c) 2010, 2011 Ericsson AB.
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/kernel.h>
@@ -27,6 +14,13 @@
#include <linux/i2c.h>
#include <linux/pmbus.h>
#include "pmbus.h"
+
+struct pmbus_device_info {
+ int pages;
+ u32 flags;
+};
+
+static const struct i2c_device_id pmbus_id[];
/*
* Find sensor groups and status registers on each page.
@@ -110,10 +104,10 @@
int page;
for (page = 1; page < PMBUS_PAGES; page++) {
- if (pmbus_set_page(client, page) < 0)
+ if (pmbus_set_page(client, page, 0xff) < 0)
break;
}
- pmbus_set_page(client, 0);
+ pmbus_set_page(client, 0, 0xff);
info->pages = page;
} else {
info->pages = 1;
@@ -123,7 +117,7 @@
}
if (pmbus_check_byte_register(client, 0, PMBUS_VOUT_MODE)) {
- int vout_mode;
+ int vout_mode, i;
vout_mode = pmbus_read_byte_data(client, 0, PMBUS_VOUT_MODE);
if (vout_mode >= 0 && vout_mode != 0xff) {
@@ -132,7 +126,8 @@
break;
case 1:
info->format[PSC_VOLTAGE_OUT] = vid;
- info->vrm_version = vr11;
+ for (i = 0; i < info->pages; i++)
+ info->vrm_version[i] = vr11;
break;
case 2:
info->format[PSC_VOLTAGE_OUT] = direct;
@@ -166,19 +161,19 @@
return ret;
}
-static int pmbus_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int pmbus_probe(struct i2c_client *client)
{
struct pmbus_driver_info *info;
struct pmbus_platform_data *pdata = NULL;
struct device *dev = &client->dev;
+ struct pmbus_device_info *device_info;
info = devm_kzalloc(dev, sizeof(struct pmbus_driver_info), GFP_KERNEL);
if (!info)
return -ENOMEM;
- if (!strcmp(id->name, "dps460") || !strcmp(id->name, "dps800") ||
- !strcmp(id->name, "sgd009")) {
+ device_info = (struct pmbus_device_info *)i2c_match_id(pmbus_id, client)->driver_data;
+ if (device_info->flags & PMBUS_SKIP_STATUS_CHECK) {
pdata = devm_kzalloc(dev, sizeof(struct pmbus_platform_data),
GFP_KERNEL);
if (!pdata)
@@ -187,36 +182,51 @@
pdata->flags = PMBUS_SKIP_STATUS_CHECK;
}
- info->pages = id->driver_data;
+ info->pages = device_info->pages;
info->identify = pmbus_identify;
dev->platform_data = pdata;
- return pmbus_do_probe(client, id, info);
+ return pmbus_do_probe(client, info);
}
+
+static const struct pmbus_device_info pmbus_info_one = {
+ .pages = 1,
+ .flags = 0
+};
+static const struct pmbus_device_info pmbus_info_zero = {
+ .pages = 0,
+ .flags = 0
+};
+static const struct pmbus_device_info pmbus_info_one_skip = {
+ .pages = 1,
+ .flags = PMBUS_SKIP_STATUS_CHECK
+};
/*
* Use driver_data to set the number of pages supported by the chip.
*/
static const struct i2c_device_id pmbus_id[] = {
- {"adp4000", 1},
- {"bmr453", 1},
- {"bmr454", 1},
- {"dps460", 1},
- {"dps800", 1},
- {"mdt040", 1},
- {"ncp4200", 1},
- {"ncp4208", 1},
- {"pdt003", 1},
- {"pdt006", 1},
- {"pdt012", 1},
- {"pmbus", 0},
- {"sgd009", 1},
- {"tps40400", 1},
- {"tps544b20", 1},
- {"tps544b25", 1},
- {"tps544c20", 1},
- {"tps544c25", 1},
- {"udt020", 1},
+ {"adp4000", (kernel_ulong_t)&pmbus_info_one},
+ {"bmr453", (kernel_ulong_t)&pmbus_info_one},
+ {"bmr454", (kernel_ulong_t)&pmbus_info_one},
+ {"dps460", (kernel_ulong_t)&pmbus_info_one_skip},
+ {"dps650ab", (kernel_ulong_t)&pmbus_info_one_skip},
+ {"dps800", (kernel_ulong_t)&pmbus_info_one_skip},
+ {"max20796", (kernel_ulong_t)&pmbus_info_one},
+ {"mdt040", (kernel_ulong_t)&pmbus_info_one},
+ {"ncp4200", (kernel_ulong_t)&pmbus_info_one},
+ {"ncp4208", (kernel_ulong_t)&pmbus_info_one},
+ {"pdt003", (kernel_ulong_t)&pmbus_info_one},
+ {"pdt006", (kernel_ulong_t)&pmbus_info_one},
+ {"pdt012", (kernel_ulong_t)&pmbus_info_one},
+ {"pmbus", (kernel_ulong_t)&pmbus_info_zero},
+ {"sgd009", (kernel_ulong_t)&pmbus_info_one_skip},
+ {"tps40400", (kernel_ulong_t)&pmbus_info_one},
+ {"tps544b20", (kernel_ulong_t)&pmbus_info_one},
+ {"tps544b25", (kernel_ulong_t)&pmbus_info_one},
+ {"tps544c20", (kernel_ulong_t)&pmbus_info_one},
+ {"tps544c25", (kernel_ulong_t)&pmbus_info_one},
+ {"udt020", (kernel_ulong_t)&pmbus_info_one},
{}
};
@@ -227,7 +237,7 @@
.driver = {
.name = "pmbus",
},
- .probe = pmbus_probe,
+ .probe_new = pmbus_probe,
.remove = pmbus_do_remove,
.id_table = pmbus_id,
};
--
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