diff options
| author | Vadim Pasternak <vadimp@nvidia.com> | 2023-08-22 11:34:47 +0000 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2023-08-23 17:31:29 +0200 |
| commit | ada9ecc33842ec89bb091c0967673c5de3357429 (patch) | |
| tree | c043850683c53a32172153c9ad832f03eff81fe8 /drivers/platform | |
| parent | 1316e0af2dc08591bed4715e887a1dbf46efd29b (diff) | |
platform: mellanox: mlx-platform: Get interrupt line through ACPI
Add support for getting system interrupt line from ACPI table.
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: Michael Shych <michaelsh@nvidia.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230822113451.13785-13-vadimp@nvidia.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/x86/mlx-platform.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/platform/x86/mlx-platform.c b/drivers/platform/x86/mlx-platform.c index 7a15b918bf6e..c81debeeaf15 100644 --- a/drivers/platform/x86/mlx-platform.c +++ b/drivers/platform/x86/mlx-platform.c @@ -343,6 +343,7 @@ * @hotplug_resources: system hotplug resources * @hotplug_resources_size: size of system hotplug resources * @hi2c_main_init_status: init status of I2C main bus + * @irq_fpga: FPGA IRQ number */ struct mlxplat_priv { struct platform_device *pdev_i2c; @@ -356,6 +357,7 @@ struct mlxplat_priv { struct resource *hotplug_resources; unsigned int hotplug_resources_size; u8 i2c_main_init_status; + int irq_fpga; }; static struct platform_device *mlxplat_dev; @@ -6188,6 +6190,8 @@ static int mlxplat_post_init(struct mlxplat_priv *priv) /* Add hotplug driver */ if (mlxplat_hotplug) { mlxplat_hotplug->regmap = priv->regmap; + if (priv->irq_fpga) + mlxplat_hotplug->irq = priv->irq_fpga; priv->pdev_hotplug = platform_device_register_resndata(&mlxplat_dev->dev, "mlxreg-hotplug", PLATFORM_DEVID_NONE, @@ -6398,11 +6402,15 @@ static int mlxplat_probe(struct platform_device *pdev) struct resource *hotplug_resources = NULL; struct acpi_device *acpi_dev; struct mlxplat_priv *priv; - int i, err; + int irq_fpga = 0, i, err; acpi_dev = ACPI_COMPANION(&pdev->dev); - if (acpi_dev) + if (acpi_dev) { + irq_fpga = acpi_dev_gpio_irq_get(acpi_dev, 0); + if (irq_fpga < 0) + return -ENODEV; mlxplat_dev = pdev; + } err = mlxplat_pre_init(&hotplug_resources, &hotplug_resources_size); if (err) @@ -6417,6 +6425,7 @@ static int mlxplat_probe(struct platform_device *pdev) platform_set_drvdata(mlxplat_dev, priv); priv->hotplug_resources = hotplug_resources; priv->hotplug_resources_size = hotplug_resources_size; + priv->irq_fpga = irq_fpga; if (!mlxplat_regmap_config) mlxplat_regmap_config = &mlxplat_mlxcpld_regmap_config; |