diff options
| author | Yuantian Tang <andy.tang@nxp.com> | 2020-08-17 16:22:04 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-10-02 14:53:37 -0600 |
| commit | 564a7eed3f349f3cff412759c8bf7f8e77edb3c9 (patch) | |
| tree | 475f1148326b6d29ae0e876e11a56b35a22f8d35 /drivers/ata/ahci_qoriq.c | |
| parent | 6cd32a44f080347e193dea56cd986282361b7007 (diff) | |
ahci: qoriq: enable acpi support in qoriq ahci driver
This patch enables ACPI support in qoriq ahci driver.
Signed-off-by: Udit Kumar <udit.kumar@nxp.com>
Signed-off-by: Yuantian Tang <andy.tang@nxp.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/ata/ahci_qoriq.c')
| -rw-r--r-- | drivers/ata/ahci_qoriq.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/ata/ahci_qoriq.c b/drivers/ata/ahci_qoriq.c index a330307d3201..5b46fc9aeb4a 100644 --- a/drivers/ata/ahci_qoriq.c +++ b/drivers/ata/ahci_qoriq.c @@ -6,6 +6,7 @@ * Tang Yuantian <Yuantian.Tang@freescale.com> */ +#include <linux/acpi.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/pm.h> @@ -80,6 +81,12 @@ static const struct of_device_id ahci_qoriq_of_match[] = { }; MODULE_DEVICE_TABLE(of, ahci_qoriq_of_match); +static const struct acpi_device_id ahci_qoriq_acpi_match[] = { + {"NXP0004", .driver_data = (kernel_ulong_t)AHCI_LX2160A}, + { } +}; +MODULE_DEVICE_TABLE(acpi, ahci_qoriq_acpi_match); + static int ahci_qoriq_hardreset(struct ata_link *link, unsigned int *class, unsigned long deadline) { @@ -255,6 +262,7 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv) static int ahci_qoriq_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; + const struct acpi_device_id *acpi_id; struct device *dev = &pdev->dev; struct ahci_host_priv *hpriv; struct ahci_qoriq_priv *qoriq_priv; @@ -267,14 +275,18 @@ static int ahci_qoriq_probe(struct platform_device *pdev) return PTR_ERR(hpriv); of_id = of_match_node(ahci_qoriq_of_match, np); - if (!of_id) + acpi_id = acpi_match_device(ahci_qoriq_acpi_match, &pdev->dev); + if (!(of_id || acpi_id)) return -ENODEV; qoriq_priv = devm_kzalloc(dev, sizeof(*qoriq_priv), GFP_KERNEL); if (!qoriq_priv) return -ENOMEM; - qoriq_priv->type = (enum ahci_qoriq_type)of_id->data; + if (of_id) + qoriq_priv->type = (enum ahci_qoriq_type)of_id->data; + else + qoriq_priv->type = (enum ahci_qoriq_type)acpi_id->driver_data; if (unlikely(!ecc_initialized)) { res = platform_get_resource_byname(pdev, @@ -288,7 +300,8 @@ static int ahci_qoriq_probe(struct platform_device *pdev) } } - qoriq_priv->is_dmacoherent = of_dma_is_coherent(np); + if (device_get_dma_attr(&pdev->dev) == DEV_DMA_COHERENT) + qoriq_priv->is_dmacoherent = true; rc = ahci_platform_enable_resources(hpriv); if (rc) @@ -354,6 +367,7 @@ static struct platform_driver ahci_qoriq_driver = { .driver = { .name = DRV_NAME, .of_match_table = ahci_qoriq_of_match, + .acpi_match_table = ahci_qoriq_acpi_match, .pm = &ahci_qoriq_pm_ops, }, }; |