Commit ada9ecc3 authored by Vadim Pasternak's avatar Vadim Pasternak Committed by Hans de Goede
Browse files

platform: mellanox: mlx-platform: Get interrupt line through ACPI 



Add support for getting system interrupt line from ACPI table.

Signed-off-by: default avatarVadim Pasternak <vadimp@nvidia.com>
Reviewed-by: default avatarMichael Shych <michaelsh@nvidia.com>
Reviewed-by: default avatarHans de Goede <hdegoede@redhat.com>
Reviewed-by: default avatarIlpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230822113451.13785-13-vadimp@nvidia.com


Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
parent 1316e0af

drivers/platform/x86/mlx-platform.c

+11 −2
Original line number Diff line number Diff line
@@ -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;