diff options
Diffstat (limited to 'drivers/platform')
-rw-r--r-- | drivers/platform/x86/Kconfig | 10 | ||||
-rw-r--r-- | drivers/platform/x86/Makefile | 2 | ||||
-rw-r--r-- | drivers/platform/x86/serial-multi-instantiate.c (renamed from drivers/platform/x86/i2c-multi-instantiate.c) | 91 |
3 files changed, 51 insertions, 52 deletions
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index 24deeeb29af2..2e656909a866 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -990,16 +990,16 @@ 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 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 <hdegoede@redhat.com> */ @@ -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 <hdegoede@redhat.com>"); MODULE_LICENSE("GPL"); |