From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 698CCC43444 for ; Mon, 7 Jan 2019 06:35:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2F6B520859 for ; Mon, 7 Jan 2019 06:35:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="lLIiG3vQ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726459AbfAGGfQ (ORCPT ); Mon, 7 Jan 2019 01:35:16 -0500 Received: from mail-pl1-f194.google.com ([209.85.214.194]:34575 "EHLO mail-pl1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725535AbfAGGfP (ORCPT ); Mon, 7 Jan 2019 01:35:15 -0500 Received: by mail-pl1-f194.google.com with SMTP id w4so20409820plz.1; Sun, 06 Jan 2019 22:35:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=mIbqUppx7dXtchBf+xYJZ6LmFQeVAzEnWphgzqCFBIc=; b=lLIiG3vQ+ceANz0tsx8FfDHkhwPb3NF9M9lobp66tRCxZE2q0EJvYr9qrl9Oq3mf6S P2l5vrq7paD4IpVHw6/90BRhq+S7zG4edW2otTcm0bigLCKWmkeZRWlWJmsKoDihn1P8 4gybR+apGqzJiCSZUPhhObYDR8lRDZni+haX0aBYVccOH3t8d7edbnl7mvkbhBl+1W9T 3J/oIs+gzIDjMaGKXu/XLp8adGGBLf6iGLZBAZ0/NW1mjOXZnlwShHd4V3CSpekIvQQd wuwPQOksbx7YhDsm91OFr0G4Q7D6VFat9chz3aMItemUxa8rGE2bI4cm0ssWtFxjfc0p Ewow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:subject:to:cc:references:from:message-id :date:user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=mIbqUppx7dXtchBf+xYJZ6LmFQeVAzEnWphgzqCFBIc=; b=Wuyarmj+ROTPFOncJVRD6eRbBTcQY9IbwqKvfZ+mGVIwd/4P4cro1n5viehkwlujYZ Zfsxai1TADuJm472Td7DaChLFzOz4NjQU6Mq9MMbtuZJ6xnEzdqqtdStjNUIBb6ytZ+H zHffK9cfsHqizCbVZyEbUXylwjD4OqncrDfto8Bdsne1fJamgITUJc39QUAUhAv+Wbxz Norao/g3KNg9E+3hXvU2YBXixFgckGSFFdEWhB8etXvskEneHKg6hGnSx6R9atyi+dKP 8dT6Zrd/rac9tx0n0XrN+9ONI26FetSKC66JGCYP5DGtqEeG3rbU/2Khw5UR5kS8hMtW l5vA== X-Gm-Message-State: AJcUuke7ZpJ+5RaMw3miIRfSGLmHdH4tJdmjor41KEsgrc24zBhnn81i auBNU+bmB2SxurZPIIwkON5icEKI X-Google-Smtp-Source: ALg8bN75VpWo4HOmpQ0AOP2x+osoYj5Y29CZhTzWMfpxDIDgPO0WTYDQLADShAIDA0WjMazrc+s/5Q== X-Received: by 2002:a17:902:780c:: with SMTP id p12mr58764861pll.197.1546842914887; Sun, 06 Jan 2019 22:35:14 -0800 (PST) Received: from server.roeck-us.net ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id x26sm97346946pfn.50.2019.01.06.22.35.13 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 06 Jan 2019 22:35:14 -0800 (PST) Subject: Re: [PATCH 4/4] pmbus (dps650ab): add power supply driver To: "Liu, Xiaoting" Cc: "jdelvare@suse.com" , "openbmc@lists.ozlabs.org" , "linux-kernel@vger.kernel.org" , "linux-hwmon@vger.kernel.org" , "Yang, Shunyong" , "Wang, Dongsheng" References: <20190105170847.GA14962@roeck-us.net> From: Guenter Roeck Message-ID: <60d19f7a-8977-fa64-f7ca-5b5940f16bb2@roeck-us.net> Date: Sun, 6 Jan 2019 22:35:12 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 1/6/19 10:25 PM, Liu, Xiaoting wrote: > Hi Guenter Roeck, > > Thanks for your apply, we will drop this patch and add the structpmbus_device_info in PMBus.c. > NP. Make sure though that the auto-detection finds all properties. If it does, there is really no reason to have an extra driver. Thanks, Guenter > Thanks, > Xiaoting. > > On 2019/1/6 1:08, Guenter Roeck wrote: >> On Fri, Jan 04, 2019 at 05:05:27PM +0800, Xiaoting Liu wrote: >>> The Delta dps650ab provides main power and standby power to server. >>> dps650ab can be detected by MFR_ID and MFR_MODEL referring to >>> manufacturer's feedback. This patch adds driver to moniter power >>> supply status. >>> >> Another comment: The subject should be something like >> hwmon: (pmbus) Add driver for DPS650AB power supply >> >> Additional comments inline below. >> >> Thanks, >> Guenter >>> Signed-off-by: Xiaoting Liu >>> --- >>> drivers/hwmon/pmbus/Kconfig | 10 +++++ >>> drivers/hwmon/pmbus/Makefile | 1 + >>> drivers/hwmon/pmbus/dps650ab.c | 100 +++++++++++++++++++++++++++++++++++++++++ >>> drivers/hwmon/pmbus/pmbus.c | 3 ++ >>> 4 files changed, 114 insertions(+) >>> >>> -- >>> 1.8.3.1 >>> >>> >>> diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig >>> index 629cb45f8557..de4638396592 100644 >>> --- a/drivers/hwmon/pmbus/Kconfig >>> +++ b/drivers/hwmon/pmbus/Kconfig >>> @@ -184,4 +184,14 @@ config SENSORS_ZL6100 >>> This driver can also be built as a module. If so, the module will >>> be called zl6100. >>> >>> +config SENSORS_DPS650AB >>> + tristate "Delta DPS650AB" >>> + default n >>> + help >>> + If you say yes here you get hardware monitoring support for the >>> + Delta DPS650AB controller. >>> + >>> + This driver can also be built as a module. If so, the module will >>> + be called dps650ab. >>> + >> Ahplabetic order, please. >> >>> endif # PMBUS >>> diff --git a/drivers/hwmon/pmbus/Makefile b/drivers/hwmon/pmbus/Makefile >>> index ea0e39518c21..414818230a26 100644 >>> --- a/drivers/hwmon/pmbus/Makefile >>> +++ b/drivers/hwmon/pmbus/Makefile >>> @@ -21,3 +21,4 @@ obj-$(CONFIG_SENSORS_TPS53679) += tps53679.o >>> obj-$(CONFIG_SENSORS_UCD9000) += ucd9000.o >>> obj-$(CONFIG_SENSORS_UCD9200) += ucd9200.o >>> obj-$(CONFIG_SENSORS_ZL6100) += zl6100.o >>> +obj-$(CONFIG_SENSORS_DPS650AB) += dps650ab.o >> Alphabetic order, please. >> >>> diff --git a/drivers/hwmon/pmbus/dps650ab.c b/drivers/hwmon/pmbus/dps650ab.c >>> new file mode 100644 >>> index 000000000000..3c300e621f5a >>> --- /dev/null >>> +++ b/drivers/hwmon/pmbus/dps650ab.c >>> @@ -0,0 +1,100 @@ >>> +// SPDX-License-Identifier: GPL-2.0 >>> +/* >>> + * Hardware monitoring driver for DELTA DPS650AB >>> + * >>> + * Copyright (c) 2018 Huaxintong Semiconductor Technology Co., Ltd. >>> + */ >>> + >>> +#include >>> +#include >>> +#include >>> +#include >>> +#include >>> +#include "pmbus.h" >>> + >>> +#define DPS650AB_MFR_ID "DELTA" >>> +#define DPS650AB_MFR_MODEL "DPS-650AB-16 A" >>> + >>> +static int dps650ab_probe(struct i2c_client *client, >>> + const struct i2c_device_id *id) >>> +{ >>> + struct pmbus_driver_info *info; >>> + u8 buf[I2C_SMBUS_BLOCK_MAX]; >>> + int ret; >>> + >>> + memset(buf, 0, I2C_SMBUS_BLOCK_MAX); >>> + >>> + if (!i2c_check_functionality(client->adapter, >>> + I2C_FUNC_SMBUS_READ_BYTE_DATA >>> + | I2C_FUNC_SMBUS_READ_WORD_DATA >>> + | I2C_FUNC_SMBUS_READ_BLOCK_DATA)) >>> + return -ENODEV; >>> + >>> + ret = i2c_smbus_read_block_data(client, PMBUS_MFR_ID, buf); >>> + if (ret < 0) { >>> + dev_err(&client->dev, "Failed to read PMBUS_MFR_ID\n"); >>> + return ret; >>> + } >>> + >>> + if (strncmp(buf, DPS650AB_MFR_ID, strlen(DPS650AB_MFR_ID))) { >>> + dev_err(&client->dev, "DPS650AB_MFR_ID unrecognised\n"); >>> + return -ENODEV; >>> + } >>> + >>> + ret = i2c_smbus_read_block_data(client, PMBUS_MFR_MODEL, buf); >>> + if (ret < 0) { >>> + dev_err(&client->dev, "Failed to read PMBUS_MFR_MODEL\n"); >>> + return ret; >>> + } >>> + >>> + if (strncmp(buf, DPS650AB_MFR_MODEL, strlen(DPS650AB_MFR_MODEL))) { >>> + dev_err(&client->dev, "DPS650AB_MFR_MODEL unrecognised\n"); >>> + return -ENODEV; >>> + } >>> + >>> + info = devm_kzalloc(&client->dev, sizeof(*info), GFP_KERNEL); >>> + if (!info) >>> + return -ENOMEM; >>> + >>> + info->pages = 1; >>> + info->format[PSC_VOLTAGE_IN] = linear; >>> + info->format[PSC_VOLTAGE_OUT] = linear; >>> + info->format[PSC_CURRENT_IN] = linear; >>> + info->format[PSC_CURRENT_OUT] = linear; >>> + info->format[PSC_POWER] = linear; >>> + info->format[PSC_TEMPERATURE] = linear; >>> + >>> + info->func[0] = PMBUS_HAVE_VIN >>> + | PMBUS_HAVE_IIN | PMBUS_HAVE_PIN >>> + | PMBUS_HAVE_STATUS_INPUT >>> + | PMBUS_HAVE_POUT | PMBUS_HAVE_FAN12 >>> + | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT >>> + | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT >>> + | PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2 >>> + | PMBUS_HAVE_STATUS_TEMP; >>> + info->func[1] = info->func[0]; >>> + >>> + return pmbus_do_probe(client, id, info); >>> +} >>> + >>> +static const struct i2c_device_id dps650ab_id[] = { >>> + {"dps650ab", 1}, >>> + {} >>> +}; >>> + >>> +MODULE_DEVICE_TABLE(i2c, dps650ab_id); >>> + >>> +static struct i2c_driver dps650ab_driver = { >>> + .driver = { >>> + .name = "dps650ab", >>> + }, >>> + .probe = dps650ab_probe, >>> + .remove = pmbus_do_remove, >>> + .id_table = dps650ab_id, >>> +}; >>> + >>> +module_i2c_driver(dps650ab_driver); >>> + >>> +MODULE_AUTHOR("Liuxiaoting >> +MODULE_DESCRIPTION("PMBus driver for DPS650AB"); >>> +MODULE_LICENSE("GPL v2"); >>> diff --git a/drivers/hwmon/pmbus/pmbus.c b/drivers/hwmon/pmbus/pmbus.c >>> index aa4cf9636e99..930e8a3e2366 100644 >>> --- a/drivers/hwmon/pmbus/pmbus.c >>> +++ b/drivers/hwmon/pmbus/pmbus.c >>> @@ -204,6 +204,8 @@ static int pmbus_probe(struct i2c_client *client, >>> static const struct pmbus_device_info sgd009_pmbus_info = { >>> 1, PMBUS_SKIP_STATUS_CHECK}; >>> static const struct pmbus_device_info pmbus_info = {0, 0}; >>> +static const struct pmbus_device_info dps650ab_pmbus_info = { >>> + 1, PMBUS_SKIP_STATUS_CHECK}; >>> /* >>> * Use driver_data to set the number of pages supported by the chip. >>> */ >>> @@ -227,6 +229,7 @@ static int pmbus_probe(struct i2c_client *client, >>> {"tps544c20", (kernel_ulong_t)&default_pmbus_info}, >>> {"tps544c25", (kernel_ulong_t)&default_pmbus_info}, >>> {"udt020", (kernel_ulong_t)&default_pmbus_info}, >>> + {"dps650ab", (kernel_ulong_t)&dps650ab_pmbus_info}, >>> {} >>> }; > > > > > > This email is intended only for the named addressee. 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