mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
synced 2025-01-04 04:02:26 +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>
101 lines
2.5 KiB
C
101 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Hardware monitoring driver for Maxim MAX15301
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*
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* Copyright (c) 2021 Flextronics International Sweden AB
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*
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* Even though the specification does not specifically mention it,
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* extensive empirical testing has revealed that auto-detection of
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* limit-registers will fail in a random fashion unless the delay
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* parameter is set to above about 80us. The default delay is set
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* to 100us to include some safety margin.
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/err.h>
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#include <linux/slab.h>
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#include <linux/i2c.h>
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#include <linux/ktime.h>
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#include <linux/delay.h>
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#include <linux/pmbus.h>
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#include "pmbus.h"
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static const struct i2c_device_id max15301_id[] = {
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{ "bmr461" },
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{ "max15301" },
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{}
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};
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MODULE_DEVICE_TABLE(i2c, max15301_id);
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struct max15301_data {
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int id;
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struct pmbus_driver_info info;
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};
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#define to_max15301_data(x) container_of(x, struct max15301_data, info)
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#define MAX15301_WAIT_TIME 100 /* us */
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static ushort delay = MAX15301_WAIT_TIME;
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module_param(delay, ushort, 0644);
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MODULE_PARM_DESC(delay, "Delay between chip accesses in us");
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static struct max15301_data max15301_data = {
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.info = {
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.pages = 1,
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.func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
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| PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT
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| PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2
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| PMBUS_HAVE_STATUS_TEMP
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| PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT,
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}
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};
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static int max15301_probe(struct i2c_client *client)
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{
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int status;
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u8 device_id[I2C_SMBUS_BLOCK_MAX + 1];
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const struct i2c_device_id *mid;
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struct pmbus_driver_info *info = &max15301_data.info;
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if (!i2c_check_functionality(client->adapter,
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I2C_FUNC_SMBUS_READ_BYTE_DATA
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| I2C_FUNC_SMBUS_BLOCK_DATA))
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return -ENODEV;
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status = i2c_smbus_read_block_data(client, PMBUS_IC_DEVICE_ID, device_id);
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if (status < 0) {
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dev_err(&client->dev, "Failed to read Device Id\n");
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return status;
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}
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for (mid = max15301_id; mid->name[0]; mid++) {
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if (!strncasecmp(mid->name, device_id, strlen(mid->name)))
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break;
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}
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if (!mid->name[0]) {
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dev_err(&client->dev, "Unsupported device\n");
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return -ENODEV;
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}
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info->access_delay = delay;
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return pmbus_do_probe(client, info);
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}
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static struct i2c_driver max15301_driver = {
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.driver = {
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.name = "max15301",
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},
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.probe = max15301_probe,
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.id_table = max15301_id,
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};
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module_i2c_driver(max15301_driver);
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MODULE_AUTHOR("Erik Rosen <erik.rosen@metormote.com>");
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MODULE_DESCRIPTION("PMBus driver for Maxim MAX15301");
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MODULE_LICENSE("GPL");
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MODULE_IMPORT_NS("PMBUS");
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