From patchwork Sun Aug 20 12:49:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 13358790 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AC3E5EE49AB for ; Sun, 20 Aug 2023 12:54:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231180AbjHTMyB (ORCPT ); Sun, 20 Aug 2023 08:54:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48704 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231200AbjHTMx5 (ORCPT ); Sun, 20 Aug 2023 08:53:57 -0400 Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id E0C484239; Sun, 20 Aug 2023 05:49:19 -0700 (PDT) X-IronPort-AV: E=Sophos;i="6.01,188,1684767600"; d="scan'208";a="177088866" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie6.idc.renesas.com with ESMTP; 20 Aug 2023 21:49:18 +0900 Received: from localhost.localdomain (unknown [10.226.92.18]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 364064001DDB; Sun, 20 Aug 2023 21:49:15 +0900 (JST) From: Biju Das To: Eric Tremblay , Jean Delvare , Guenter Roeck Cc: Biju Das , linux-hwmon@vger.kernel.org, Geert Uytterhoeven , Andy Shevchenko , linux-renesas-soc@vger.kernel.org Subject: [PATCH 1/2] hwmon: tmp513: Convert enum->pointer for data in the match tables Date: Sun, 20 Aug 2023 13:49:09 +0100 Message-Id: <20230820124910.71526-2-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230820124910.71526-1-biju.das.jz@bp.renesas.com> References: <20230820124910.71526-1-biju.das.jz@bp.renesas.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org Convert enum->pointer for data in the match tables, so that device_get_match_data() can do match against OF/ACPI/I2C tables, once i2c bus type match support added to it. Introduce struct tmp51x_info with encum chips and replace enum chips with struct *tmp51x_info in struct lm85_data. Replace enum->struct *tmp51x_info for data in the match table. Simplify the probe() by replacing device_get_match_data() and ID lookup for retrieving data by i2c_get_match_data(). Signed-off-by: Biju Das --- drivers/hwmon/tmp513.c | 43 ++++++++++++++++++++++-------------------- 1 file changed, 23 insertions(+), 20 deletions(-) diff --git a/drivers/hwmon/tmp513.c b/drivers/hwmon/tmp513.c index 7db5d0fc24a4..22f6000bc50a 100644 --- a/drivers/hwmon/tmp513.c +++ b/drivers/hwmon/tmp513.c @@ -156,6 +156,10 @@ enum tmp51x_ids { tmp512, tmp513 }; +struct tmp51x_info { + enum tmp51x_ids id; +}; + struct tmp51x_data { u16 shunt_config; u16 pga_gain; @@ -169,7 +173,7 @@ struct tmp51x_data { u32 curr_lsb_ua; u32 pwr_lsb_uw; - enum tmp51x_ids id; + const struct tmp51x_info *info; struct regmap *regmap; }; @@ -434,7 +438,7 @@ static umode_t tmp51x_is_visible(const void *_data, switch (type) { case hwmon_temp: - if (data->id == tmp512 && channel == 4) + if (data->info->id == tmp512 && channel == 4) return 0; switch (attr) { case hwmon_temp_input: @@ -585,7 +589,7 @@ static int tmp51x_init(struct tmp51x_data *data) if (ret < 0) return ret; - if (data->id == tmp513) { + if (data->info->id == tmp513) { ret = regmap_write(data->regmap, TMP513_N_FACTOR_3, data->nfactor[2] << 8); if (ret < 0) @@ -600,22 +604,24 @@ static int tmp51x_init(struct tmp51x_data *data) return regmap_read(data->regmap, TMP51X_STATUS, ®val); } +static const struct tmp51x_info tmp512_info = { + .id = tmp512, +}; + +static const struct tmp51x_info tmp513_info = { + .id = tmp513, +}; + static const struct i2c_device_id tmp51x_id[] = { - { "tmp512", tmp512 }, - { "tmp513", tmp513 }, + { "tmp512", (kernel_ulong_t)&tmp512_info }, + { "tmp513", (kernel_ulong_t)&tmp513_info }, { } }; MODULE_DEVICE_TABLE(i2c, tmp51x_id); static const struct of_device_id tmp51x_of_match[] = { - { - .compatible = "ti,tmp512", - .data = (void *)tmp512 - }, - { - .compatible = "ti,tmp513", - .data = (void *)tmp513 - }, + { .compatible = "ti,tmp512", .data = &tmp512_info }, + { .compatible = "ti,tmp513", .data = &tmp513_info }, { }, }; MODULE_DEVICE_TABLE(of, tmp51x_of_match); @@ -674,9 +680,9 @@ static int tmp51x_read_properties(struct device *dev, struct tmp51x_data *data) return ret; ret = device_property_read_u32_array(dev, "ti,nfactor", nfactor, - (data->id == tmp513) ? 3 : 2); + (data->info->id == tmp513) ? 3 : 2); if (ret >= 0) - memcpy(data->nfactor, nfactor, (data->id == tmp513) ? 3 : 2); + memcpy(data->nfactor, nfactor, (data->info->id == tmp513) ? 3 : 2); // Check if shunt value is compatible with pga-gain if (data->shunt_uohms > data->pga_gain * 40 * 1000 * 1000) { @@ -698,7 +704,7 @@ static void tmp51x_use_default(struct tmp51x_data *data) static int tmp51x_configure(struct device *dev, struct tmp51x_data *data) { data->shunt_config = TMP51X_SHUNT_CONFIG_DEFAULT; - data->temp_config = (data->id == tmp513) ? + data->temp_config = (data->info->id == tmp513) ? TMP513_TEMP_CONFIG_DEFAULT : TMP512_TEMP_CONFIG_DEFAULT; if (dev->of_node) @@ -720,10 +726,7 @@ static int tmp51x_probe(struct i2c_client *client) if (!data) return -ENOMEM; - if (client->dev.of_node) - data->id = (uintptr_t)device_get_match_data(&client->dev); - else - data->id = i2c_match_id(tmp51x_id, client)->driver_data; + data->info = i2c_get_match_data(client); ret = tmp51x_configure(dev, data); if (ret < 0) {