mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-08-05 16:54:27 +00:00
cdd30ebb1b
Clean up the existing export namespace code along the same lines of
commit 33def8498f ("treewide: Convert macro and uses of __section(foo)
to __section("foo")") and for the same reason, it is not desired for the
namespace argument to be a macro expansion itself.
Scripted using
git grep -l -e MODULE_IMPORT_NS -e EXPORT_SYMBOL_NS | while read file;
do
awk -i inplace '
/^#define EXPORT_SYMBOL_NS/ {
gsub(/__stringify\(ns\)/, "ns");
print;
next;
}
/^#define MODULE_IMPORT_NS/ {
gsub(/__stringify\(ns\)/, "ns");
print;
next;
}
/MODULE_IMPORT_NS/ {
$0 = gensub(/MODULE_IMPORT_NS\(([^)]*)\)/, "MODULE_IMPORT_NS(\"\\1\")", "g");
}
/EXPORT_SYMBOL_NS/ {
if ($0 ~ /(EXPORT_SYMBOL_NS[^(]*)\(([^,]+),/) {
if ($0 !~ /(EXPORT_SYMBOL_NS[^(]*)\(([^,]+), ([^)]+)\)/ &&
$0 !~ /(EXPORT_SYMBOL_NS[^(]*)\(\)/ &&
$0 !~ /^my/) {
getline line;
gsub(/[[:space:]]*\\$/, "");
gsub(/[[:space:]]/, "", line);
$0 = $0 " " line;
}
$0 = gensub(/(EXPORT_SYMBOL_NS[^(]*)\(([^,]+), ([^)]+)\)/,
"\\1(\\2, \"\\3\")", "g");
}
}
{ print }' $file;
done
Requested-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://mail.google.com/mail/u/2/#inbox/FMfcgzQXKWgMmjdFwwdsfgxzKpVHWPlc
Acked-by: Greg KH <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
148 lines
3.9 KiB
C
148 lines
3.9 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Hardware monitoring driver for Vicor PLI1209BC Digital Supervisor
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*
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* Copyright (c) 2022 9elements GmbH
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*/
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#include <linux/delay.h>
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#include <linux/i2c.h>
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#include <linux/module.h>
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#include <linux/pmbus.h>
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#include <linux/regulator/driver.h>
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#include "pmbus.h"
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/*
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* The capability command is only supported at page 0. Probing the device while
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* the page register is set to 1 will falsely enable PEC support. Disable
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* capability probing accordingly, since the PLI1209BC does not have any
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* additional capabilities.
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*/
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static struct pmbus_platform_data pli1209bc_plat_data = {
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.flags = PMBUS_NO_CAPABILITY,
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};
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static int pli1209bc_read_word_data(struct i2c_client *client, int page,
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int phase, int reg)
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{
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int data;
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switch (reg) {
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/* PMBUS_READ_POUT uses a direct format with R=0 */
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case PMBUS_READ_POUT:
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data = pmbus_read_word_data(client, page, phase, reg);
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if (data < 0)
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return data;
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data = sign_extend32(data, 15) * 10;
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return clamp_val(data, -32768, 32767) & 0xffff;
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/*
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* PMBUS_READ_VOUT and PMBUS_READ_TEMPERATURE_1 return invalid data
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* when the BCM is turned off. Since it is not possible to return
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* ENODATA error, return zero instead.
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*/
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case PMBUS_READ_VOUT:
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case PMBUS_READ_TEMPERATURE_1:
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data = pmbus_read_word_data(client, page, phase,
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PMBUS_STATUS_WORD);
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if (data < 0)
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return data;
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if (data & PB_STATUS_POWER_GOOD_N)
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return 0;
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return pmbus_read_word_data(client, page, phase, reg);
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default:
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return -ENODATA;
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}
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}
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#if IS_ENABLED(CONFIG_SENSORS_PLI1209BC_REGULATOR)
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static const struct regulator_desc pli1209bc_reg_desc = {
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.name = "vout2",
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.id = 1,
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.of_match = of_match_ptr("vout2"),
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.regulators_node = of_match_ptr("regulators"),
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.ops = &pmbus_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.owner = THIS_MODULE,
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};
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#endif
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static struct pmbus_driver_info pli1209bc_info = {
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.pages = 2,
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.format[PSC_VOLTAGE_IN] = direct,
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.format[PSC_VOLTAGE_OUT] = direct,
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.format[PSC_CURRENT_IN] = direct,
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.format[PSC_CURRENT_OUT] = direct,
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.format[PSC_POWER] = direct,
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.format[PSC_TEMPERATURE] = direct,
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.m[PSC_VOLTAGE_IN] = 1,
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.b[PSC_VOLTAGE_IN] = 0,
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.R[PSC_VOLTAGE_IN] = 1,
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.m[PSC_VOLTAGE_OUT] = 1,
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.b[PSC_VOLTAGE_OUT] = 0,
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.R[PSC_VOLTAGE_OUT] = 1,
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.m[PSC_CURRENT_IN] = 1,
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.b[PSC_CURRENT_IN] = 0,
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.R[PSC_CURRENT_IN] = 3,
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.m[PSC_CURRENT_OUT] = 1,
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.b[PSC_CURRENT_OUT] = 0,
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.R[PSC_CURRENT_OUT] = 2,
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.m[PSC_POWER] = 1,
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.b[PSC_POWER] = 0,
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.R[PSC_POWER] = 1,
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.m[PSC_TEMPERATURE] = 1,
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.b[PSC_TEMPERATURE] = 0,
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.R[PSC_TEMPERATURE] = 0,
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/*
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* Page 0 sums up all attributes except voltage readings.
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* The pli1209 digital supervisor only contains a single BCM, making
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* page 0 redundant.
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*/
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.func[1] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT
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| PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT
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| PMBUS_HAVE_PIN | PMBUS_HAVE_POUT
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| PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP
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| PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_STATUS_INPUT,
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.read_word_data = pli1209bc_read_word_data,
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.write_delay = 250,
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#if IS_ENABLED(CONFIG_SENSORS_PLI1209BC_REGULATOR)
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.num_regulators = 1,
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.reg_desc = &pli1209bc_reg_desc,
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#endif
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};
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static int pli1209bc_probe(struct i2c_client *client)
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{
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client->dev.platform_data = &pli1209bc_plat_data;
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return pmbus_do_probe(client, &pli1209bc_info);
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}
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static const struct i2c_device_id pli1209bc_id[] = {
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{"pli1209bc"},
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{}
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};
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MODULE_DEVICE_TABLE(i2c, pli1209bc_id);
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#ifdef CONFIG_OF
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static const struct of_device_id pli1209bc_of_match[] = {
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{ .compatible = "vicor,pli1209bc" },
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{ },
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};
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MODULE_DEVICE_TABLE(of, pli1209bc_of_match);
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#endif
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static struct i2c_driver pli1209bc_driver = {
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.driver = {
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.name = "pli1209bc",
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.of_match_table = of_match_ptr(pli1209bc_of_match),
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},
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.probe = pli1209bc_probe,
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.id_table = pli1209bc_id,
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};
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module_i2c_driver(pli1209bc_driver);
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MODULE_AUTHOR("Marcello Sylvester Bauer <sylv@sylv.io>");
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MODULE_DESCRIPTION("PMBus driver for Vicor PLI1209BC");
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MODULE_LICENSE("GPL");
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MODULE_IMPORT_NS("PMBUS");
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