From patchwork Wed Apr 20 09:41:27 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hui Wang X-Patchwork-Id: 1619433 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=canonical.com header.i=@canonical.com header.a=rsa-sha256 header.s=20210705 header.b=fszgD882; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ubuntu.com (client-ip=91.189.94.19; helo=huckleberry.canonical.com; envelope-from=kernel-team-bounces@lists.ubuntu.com; receiver=) Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by bilbo.ozlabs.org (Postfix) with ESMTPS id 4KjwgS5zf8z9sG0 for ; 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bh=cxjHMGPCQHGK2156oemZ5yskHvpURqxiykVrXG+4Tys=; h=From:To:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=fszgD882kHZT0sROtKtiFoF3gd64JV3mtK8wiQyZXcmFWB3IfqNl+Hs3zimRCVSlj LMdulpEKG867+1y4fHf2jpa5CueMf2rR910whT4O00U/tsnQC4LEgN47l6xrcznPq9 olVwy0LnpxtYZ4hCT+Nh0JQ+QVrmQC3qqKL2sdornY3q6DxIYZOw0v2ZoPJHFeOduP lxL4PlOLU15dDCyAyNIgbuX6q9XTW81urFhFu/91EcbgvZpjam7h3jMwJzQ8l/8+If c8Jd5q8oNAWzNhz4UHl6zGo9UMcrtCnrPQmgDpnHw2n82qeuh+EniT7/4TSGiNjkkV Ptq2Wr4418YTQ== From: Hui Wang To: kernel-team@lists.ubuntu.com Subject: [SRU][OEM-5.17][PATCH 05/10] platform/x86: i2c-multi-instantiate: Rename it for a generic serial driver name Date: Wed, 20 Apr 2022 17:41:27 +0800 Message-Id: <20220420094132.7732-6-hui.wang@canonical.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220420094132.7732-1-hui.wang@canonical.com> References: <20220420094132.7732-1-hui.wang@canonical.com> MIME-Version: 1.0 X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.20 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" From: Lucas Tanure BugLink: https://bugs.launchpad.net/bugs/1965496 Rename I2C multi instantiate driver to serial-multi-instantiate for upcoming addition of SPI support Signed-off-by: Lucas Tanure Signed-off-by: Stefan Binding Link: https://lore.kernel.org/r/20220121172431.6876-6-sbinding@opensource.cirrus.com Reviewed-by: Hans de Goede Signed-off-by: Hans de Goede (cherry picked from commit 5e63b2ea3dfbab9307e197004a3c5ee4e1442582) Signed-off-by: Hui Wang --- MAINTAINERS | 4 +- drivers/acpi/scan.c | 13 +-- drivers/platform/x86/Kconfig | 10 +- drivers/platform/x86/Makefile | 2 +- ...stantiate.c => serial-multi-instantiate.c} | 91 +++++++++---------- 5 files changed, 60 insertions(+), 60 deletions(-) rename drivers/platform/x86/{i2c-multi-instantiate.c => serial-multi-instantiate.c} (51%) diff --git a/MAINTAINERS b/MAINTAINERS index 52ec8efef938..fc056d7f73fa 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -401,11 +401,11 @@ L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained F: drivers/acpi/arm64 -ACPI I2C MULTI INSTANTIATE DRIVER +ACPI SERIAL MULTI INSTANTIATE DRIVER M: Hans de Goede L: platform-driver-x86@vger.kernel.org S: Maintained -F: drivers/platform/x86/i2c-multi-instantiate.c +F: drivers/platform/x86/serial-multi-instantiate.c ACPI PCC(Platform Communication Channel) MAILBOX DRIVER M: Sudeep Holla diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 8b2e5ef15559..96dbd47657f6 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1734,12 +1734,13 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device) bool is_serial_bus_slave = false; static const struct acpi_device_id ignore_serial_bus_ids[] = { /* - * These devices have multiple I2cSerialBus resources and an i2c-client - * must be instantiated for each, each with its own i2c_device_id. - * Normally we only instantiate an i2c-client for the first resource, - * using the ACPI HID as id. These special cases are handled by the - * drivers/platform/x86/i2c-multi-instantiate.c driver, which knows - * which i2c_device_id to use for each resource. + * These devices have multiple SerialBus resources and a client + * device must be instantiated for each of them, each with + * its own device id. + * Normally we only instantiate one client device for the first + * resource, using the ACPI HID as id. These special cases are handled + * by the drivers/platform/x86/serial-multi-instantiate.c driver, which + * knows which client device id to use for each resource. */ {"BSG1160", }, {"BSG2150", }, diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index af453a5dbf0c..53c2cde229cf 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -1004,16 +1004,16 @@ config TOPSTAR_LAPTOP If you have a Topstar laptop, say Y or M here. -config I2C_MULTI_INSTANTIATE - tristate "I2C multi instantiate pseudo device driver" +config SERIAL_MULTI_INSTANTIATE + tristate "Serial bus multi instantiate pseudo device driver" depends on I2C && ACPI help - Some ACPI-based systems list multiple i2c-devices in a single ACPI - firmware-node. This driver will instantiate separate i2c-clients + Some ACPI-based systems list multiple devices in a single ACPI + firmware-node. This driver will instantiate separate clients for each device in the firmware-node. To compile this driver as a module, choose M here: the module - will be called i2c-multi-instantiate. + will be called serial-multi-instantiate. config MLX_PLATFORM tristate "Mellanox Technologies platform support" diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile index c12a9b044fd8..9527088bba7f 100644 --- a/drivers/platform/x86/Makefile +++ b/drivers/platform/x86/Makefile @@ -110,7 +110,7 @@ obj-$(CONFIG_TOPSTAR_LAPTOP) += topstar-laptop.o # Platform drivers obj-$(CONFIG_FW_ATTR_CLASS) += firmware_attributes_class.o -obj-$(CONFIG_I2C_MULTI_INSTANTIATE) += i2c-multi-instantiate.o +obj-$(CONFIG_SERIAL_MULTI_INSTANTIATE) += serial-multi-instantiate.o obj-$(CONFIG_MLX_PLATFORM) += mlx-platform.o obj-$(CONFIG_TOUCHSCREEN_DMI) += touchscreen_dmi.o obj-$(CONFIG_WIRELESS_HOTKEY) += wireless-hotkey.o diff --git a/drivers/platform/x86/i2c-multi-instantiate.c b/drivers/platform/x86/serial-multi-instantiate.c similarity index 51% rename from drivers/platform/x86/i2c-multi-instantiate.c rename to drivers/platform/x86/serial-multi-instantiate.c index 4956a1df5b90..9af5bcd466d1 100644 --- a/drivers/platform/x86/i2c-multi-instantiate.c +++ b/drivers/platform/x86/serial-multi-instantiate.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0+ /* - * I2C multi-instantiate driver, pseudo driver to instantiate multiple - * i2c-clients from a single fwnode. + * Serial multi-instantiate driver, pseudo driver to instantiate multiple + * client devices from a single fwnode. * * Copyright 2018 Hans de Goede */ @@ -21,29 +21,29 @@ #define IRQ_RESOURCE_GPIO 1 #define IRQ_RESOURCE_APIC 2 -struct i2c_inst_data { +struct smi_instance { const char *type; unsigned int flags; int irq_idx; }; -struct i2c_multi_inst_data { - int num_clients; - struct i2c_client *clients[]; +struct smi { + int i2c_num; + struct i2c_client *i2c_devs[]; }; -static int i2c_multi_inst_probe(struct platform_device *pdev) +static int smi_probe(struct platform_device *pdev) { - struct i2c_multi_inst_data *multi; - const struct i2c_inst_data *inst_data; struct i2c_board_info board_info = {}; + const struct smi_instance *inst; struct device *dev = &pdev->dev; struct acpi_device *adev; + struct smi *smi; char name[32]; int i, ret; - inst_data = device_get_match_data(dev); - if (!inst_data) { + inst = device_get_match_data(dev); + if (!inst) { dev_err(dev, "Error ACPI match data is missing\n"); return -ENODEV; } @@ -55,33 +55,32 @@ static int i2c_multi_inst_probe(struct platform_device *pdev) if (ret < 0) return ret; - multi = devm_kmalloc(dev, struct_size(multi, clients, ret), GFP_KERNEL); - if (!multi) + smi = devm_kmalloc(dev, struct_size(smi, i2c_devs, ret), GFP_KERNEL); + if (!smi) return -ENOMEM; - multi->num_clients = ret; + smi->i2c_num = ret; - for (i = 0; i < multi->num_clients && inst_data[i].type; i++) { + for (i = 0; i < smi->i2c_num && inst[i].type; i++) { memset(&board_info, 0, sizeof(board_info)); - strlcpy(board_info.type, inst_data[i].type, I2C_NAME_SIZE); - snprintf(name, sizeof(name), "%s-%s.%d", dev_name(dev), - inst_data[i].type, i); + strlcpy(board_info.type, inst[i].type, I2C_NAME_SIZE); + snprintf(name, sizeof(name), "%s-%s.%d", dev_name(dev), inst[i].type, i); board_info.dev_name = name; - switch (inst_data[i].flags & IRQ_RESOURCE_TYPE) { + switch (inst[i].flags & IRQ_RESOURCE_TYPE) { case IRQ_RESOURCE_GPIO: - ret = acpi_dev_gpio_irq_get(adev, inst_data[i].irq_idx); + ret = acpi_dev_gpio_irq_get(adev, inst[i].irq_idx); if (ret < 0) { dev_err(dev, "Error requesting irq at index %d: %d\n", - inst_data[i].irq_idx, ret); + inst[i].irq_idx, ret); goto error; } board_info.irq = ret; break; case IRQ_RESOURCE_APIC: - ret = platform_get_irq(pdev, inst_data[i].irq_idx); + ret = platform_get_irq(pdev, inst[i].irq_idx); if (ret < 0) { dev_dbg(dev, "Error requesting irq at index %d: %d\n", - inst_data[i].irq_idx, ret); + inst[i].irq_idx, ret); goto error; } board_info.irq = ret; @@ -90,48 +89,48 @@ static int i2c_multi_inst_probe(struct platform_device *pdev) board_info.irq = 0; break; } - multi->clients[i] = i2c_acpi_new_device(dev, i, &board_info); - if (IS_ERR(multi->clients[i])) { - ret = dev_err_probe(dev, PTR_ERR(multi->clients[i]), + smi->i2c_devs[i] = i2c_acpi_new_device(dev, i, &board_info); + if (IS_ERR(smi->i2c_devs[i])) { + ret = dev_err_probe(dev, PTR_ERR(smi->i2c_devs[i]), "Error creating i2c-client, idx %d\n", i); goto error; } } - if (i < multi->num_clients) { + if (i < smi->i2c_num) { dev_err(dev, "Error finding driver, idx %d\n", i); ret = -ENODEV; goto error; } - platform_set_drvdata(pdev, multi); + platform_set_drvdata(pdev, smi); return 0; error: while (--i >= 0) - i2c_unregister_device(multi->clients[i]); + i2c_unregister_device(smi->i2c_devs[i]); return ret; } -static int i2c_multi_inst_remove(struct platform_device *pdev) +static int smi_remove(struct platform_device *pdev) { - struct i2c_multi_inst_data *multi = platform_get_drvdata(pdev); + struct smi *smi = platform_get_drvdata(pdev); int i; - for (i = 0; i < multi->num_clients; i++) - i2c_unregister_device(multi->clients[i]); + for (i = 0; i < smi->i2c_num; i++) + i2c_unregister_device(smi->i2c_devs[i]); return 0; } -static const struct i2c_inst_data bsg1160_data[] = { +static const struct smi_instance bsg1160_data[] = { { "bmc150_accel", IRQ_RESOURCE_GPIO, 0 }, { "bmc150_magn" }, { "bmg160" }, {} }; -static const struct i2c_inst_data bsg2150_data[] = { +static const struct smi_instance bsg2150_data[] = { { "bmc150_accel", IRQ_RESOURCE_GPIO, 0 }, { "bmc150_magn" }, /* The resources describe a 3th client, but it is not really there. */ @@ -139,7 +138,7 @@ static const struct i2c_inst_data bsg2150_data[] = { {} }; -static const struct i2c_inst_data int3515_data[] = { +static const struct smi_instance int3515_data[] = { { "tps6598x", IRQ_RESOURCE_APIC, 0 }, { "tps6598x", IRQ_RESOURCE_APIC, 1 }, { "tps6598x", IRQ_RESOURCE_APIC, 2 }, @@ -148,27 +147,27 @@ static const struct i2c_inst_data int3515_data[] = { }; /* - * Note new device-ids must also be added to i2c_multi_instantiate_ids in + * Note new device-ids must also be added to ignore_serial_bus_ids in * drivers/acpi/scan.c: acpi_device_enumeration_by_parent(). */ -static const struct acpi_device_id i2c_multi_inst_acpi_ids[] = { +static const struct acpi_device_id smi_acpi_ids[] = { { "BSG1160", (unsigned long)bsg1160_data }, { "BSG2150", (unsigned long)bsg2150_data }, { "INT3515", (unsigned long)int3515_data }, { } }; -MODULE_DEVICE_TABLE(acpi, i2c_multi_inst_acpi_ids); +MODULE_DEVICE_TABLE(acpi, smi_acpi_ids); -static struct platform_driver i2c_multi_inst_driver = { +static struct platform_driver smi_driver = { .driver = { - .name = "I2C multi instantiate pseudo device driver", - .acpi_match_table = i2c_multi_inst_acpi_ids, + .name = "Serial bus multi instantiate pseudo device driver", + .acpi_match_table = smi_acpi_ids, }, - .probe = i2c_multi_inst_probe, - .remove = i2c_multi_inst_remove, + .probe = smi_probe, + .remove = smi_remove, }; -module_platform_driver(i2c_multi_inst_driver); +module_platform_driver(smi_driver); -MODULE_DESCRIPTION("I2C multi instantiate pseudo device driver"); +MODULE_DESCRIPTION("Serial multi instantiate pseudo device driver"); MODULE_AUTHOR("Hans de Goede "); MODULE_LICENSE("GPL");