From ea08eeccae9297f7aabd2ef7f0c2517ac4549acc Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:18:26 +0000
Subject: [PATCH] write in 30M
---
kernel/drivers/regulator/ltc3676.c | 88 ++++++-------------------------------------
1 files changed, 13 insertions(+), 75 deletions(-)
diff --git a/kernel/drivers/regulator/ltc3676.c b/kernel/drivers/regulator/ltc3676.c
index 9dec160..eb3d6be 100644
--- a/kernel/drivers/regulator/ltc3676.c
+++ b/kernel/drivers/regulator/ltc3676.c
@@ -1,15 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2016 Gateworks Corporation, Inc. All Rights Reserved.
- *
- * 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.
- *
- * 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.
- *
*/
#include <linux/i2c.h>
#include <linux/init.h>
@@ -230,7 +221,7 @@
#define LTC3676_FIXED_REG(_id, _name, _en_reg, _en_bit) \
LTC3676_REG(_id, _name, fixed, LTC3676_ ## _en_reg, _en_bit, 0, 0)
-static struct regulator_desc ltc3676_regulators[LTC3676_NUM_REGULATORS] = {
+static const struct regulator_desc ltc3676_regulators[LTC3676_NUM_REGULATORS] = {
LTC3676_LINEAR_REG(SW1, sw1, BUCK1, DVB1A),
LTC3676_LINEAR_REG(SW2, sw2, BUCK2, DVB2A),
LTC3676_LINEAR_REG(SW3, sw3, BUCK3, DVB3A),
@@ -241,61 +232,10 @@
LTC3676_FIXED_REG(LDO4, ldo4, LDOB, 2),
};
-static bool ltc3676_writeable_reg(struct device *dev, unsigned int reg)
+static bool ltc3676_readable_writeable_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
- case LTC3676_IRQSTAT:
- case LTC3676_BUCK1:
- case LTC3676_BUCK2:
- case LTC3676_BUCK3:
- case LTC3676_BUCK4:
- case LTC3676_LDOA:
- case LTC3676_LDOB:
- case LTC3676_SQD1:
- case LTC3676_SQD2:
- case LTC3676_CNTRL:
- case LTC3676_DVB1A:
- case LTC3676_DVB1B:
- case LTC3676_DVB2A:
- case LTC3676_DVB2B:
- case LTC3676_DVB3A:
- case LTC3676_DVB3B:
- case LTC3676_DVB4A:
- case LTC3676_DVB4B:
- case LTC3676_MSKIRQ:
- case LTC3676_MSKPG:
- case LTC3676_USER:
- case LTC3676_HRST:
- case LTC3676_CLIRQ:
- return true;
- }
- return false;
-}
-
-static bool ltc3676_readable_reg(struct device *dev, unsigned int reg)
-{
- switch (reg) {
- case LTC3676_IRQSTAT:
- case LTC3676_BUCK1:
- case LTC3676_BUCK2:
- case LTC3676_BUCK3:
- case LTC3676_BUCK4:
- case LTC3676_LDOA:
- case LTC3676_LDOB:
- case LTC3676_SQD1:
- case LTC3676_SQD2:
- case LTC3676_CNTRL:
- case LTC3676_DVB1A:
- case LTC3676_DVB1B:
- case LTC3676_DVB2A:
- case LTC3676_DVB2B:
- case LTC3676_DVB3A:
- case LTC3676_DVB3B:
- case LTC3676_DVB4A:
- case LTC3676_DVB4B:
- case LTC3676_MSKIRQ:
- case LTC3676_MSKPG:
- case LTC3676_USER:
+ case LTC3676_BUCK1 ... LTC3676_IRQSTAT:
case LTC3676_HRST:
case LTC3676_CLIRQ:
return true;
@@ -306,9 +246,7 @@
static bool ltc3676_volatile_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
- case LTC3676_IRQSTAT:
- case LTC3676_PGSTATL:
- case LTC3676_PGSTATRT:
+ case LTC3676_IRQSTAT ... LTC3676_PGSTATRT:
return true;
}
return false;
@@ -317,11 +255,12 @@
static const struct regmap_config ltc3676_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
- .writeable_reg = ltc3676_writeable_reg,
- .readable_reg = ltc3676_readable_reg,
+ .writeable_reg = ltc3676_readable_writeable_reg,
+ .readable_reg = ltc3676_readable_writeable_reg,
.volatile_reg = ltc3676_volatile_reg,
.max_register = LTC3676_CLIRQ,
- .use_single_rw = true,
+ .use_single_read = true,
+ .use_single_write = true,
.cache_type = REGCACHE_RBTREE,
};
@@ -356,8 +295,7 @@
return IRQ_HANDLED;
}
-static int ltc3676_regulator_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int ltc3676_regulator_probe(struct i2c_client *client)
{
struct device *dev = &client->dev;
struct regulator_init_data *init_data = dev_get_platdata(dev);
@@ -424,7 +362,7 @@
};
MODULE_DEVICE_TABLE(i2c, ltc3676_i2c_id);
-static const struct of_device_id ltc3676_of_match[] = {
+static const struct of_device_id __maybe_unused ltc3676_of_match[] = {
{ .compatible = "lltc,ltc3676" },
{ },
};
@@ -435,11 +373,11 @@
.name = DRIVER_NAME,
.of_match_table = of_match_ptr(ltc3676_of_match),
},
- .probe = ltc3676_regulator_probe,
+ .probe_new = ltc3676_regulator_probe,
.id_table = ltc3676_i2c_id,
};
module_i2c_driver(ltc3676_driver);
MODULE_AUTHOR("Tim Harvey <tharvey@gateworks.com>");
-MODULE_DESCRIPTION("Regulator driver for Linear Technology LTC1376");
+MODULE_DESCRIPTION("Regulator driver for Linear Technology LTC3676");
MODULE_LICENSE("GPL v2");
--
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