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84 lines
2.5 KiB
Diff
84 lines
2.5 KiB
Diff
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From 8f0baa717e7854b795567678415bc7173d66bc13 Mon Sep 17 00:00:00 2001
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From: Peng Ma <peng.ma@nxp.com>
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Date: Wed, 15 May 2019 05:45:35 +0000
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Subject: [PATCH] ahci: qoriq: enable acpi support in qoriq ahci driver
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This patch enables ACPI support in qoriq ahci driver.
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Signed-off-by: Udit Kumar <udit.kumar@nxp.com>
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Signed-off-by: Peng Ma <peng.ma@nxp.com>
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---
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drivers/ata/ahci_qoriq.c | 20 +++++++++++++++++---
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1 file changed, 17 insertions(+), 3 deletions(-)
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--- a/drivers/ata/ahci_qoriq.c
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+++ b/drivers/ata/ahci_qoriq.c
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@@ -6,6 +6,7 @@
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* Tang Yuantian <Yuantian.Tang@freescale.com>
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*/
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+#include <linux/acpi.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/pm.h>
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@@ -80,6 +81,12 @@ static const struct of_device_id ahci_qo
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};
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MODULE_DEVICE_TABLE(of, ahci_qoriq_of_match);
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+static const struct acpi_device_id ahci_qoriq_acpi_match[] = {
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+ {"NXP0004", .driver_data = (kernel_ulong_t)AHCI_LX2160A},
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+ { }
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+};
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+MODULE_DEVICE_TABLE(acpi, ahci_qoriq_acpi_match);
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+
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static int ahci_qoriq_hardreset(struct ata_link *link, unsigned int *class,
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unsigned long deadline)
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{
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@@ -255,6 +262,7 @@ static int ahci_qoriq_phy_init(struct ah
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static int ahci_qoriq_probe(struct platform_device *pdev)
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{
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struct device_node *np = pdev->dev.of_node;
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+ const struct acpi_device_id *acpi_id;
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struct device *dev = &pdev->dev;
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struct ahci_host_priv *hpriv;
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struct ahci_qoriq_priv *qoriq_priv;
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@@ -267,14 +275,18 @@ static int ahci_qoriq_probe(struct platf
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return PTR_ERR(hpriv);
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of_id = of_match_node(ahci_qoriq_of_match, np);
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- if (!of_id)
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+ acpi_id = acpi_match_device(ahci_qoriq_acpi_match, &pdev->dev);
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+ if (!(of_id || acpi_id))
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return -ENODEV;
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qoriq_priv = devm_kzalloc(dev, sizeof(*qoriq_priv), GFP_KERNEL);
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if (!qoriq_priv)
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return -ENOMEM;
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- qoriq_priv->type = (enum ahci_qoriq_type)of_id->data;
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+ if (of_id)
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+ qoriq_priv->type = (enum ahci_qoriq_type)of_id->data;
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+ else
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+ qoriq_priv->type = (enum ahci_qoriq_type)acpi_id->driver_data;
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if (unlikely(!ecc_initialized)) {
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res = platform_get_resource_byname(pdev,
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@@ -288,7 +300,8 @@ static int ahci_qoriq_probe(struct platf
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}
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}
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- qoriq_priv->is_dmacoherent = of_dma_is_coherent(np);
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+ if (device_get_dma_attr(&pdev->dev) == DEV_DMA_COHERENT)
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+ qoriq_priv->is_dmacoherent = true;
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rc = ahci_platform_enable_resources(hpriv);
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if (rc)
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@@ -354,6 +367,7 @@ static struct platform_driver ahci_qoriq
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.driver = {
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.name = DRV_NAME,
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.of_match_table = ahci_qoriq_of_match,
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+ .acpi_match_table = ahci_qoriq_acpi_match,
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.pm = &ahci_qoriq_pm_ops,
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},
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};
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