diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/815-sata-0001-ahci-qoriq-enable-acpi-support-in-qoriq-ahci-driver.patch')
-rw-r--r-- | target/linux/layerscape/patches-5.4/815-sata-0001-ahci-qoriq-enable-acpi-support-in-qoriq-ahci-driver.patch | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/815-sata-0001-ahci-qoriq-enable-acpi-support-in-qoriq-ahci-driver.patch b/target/linux/layerscape/patches-5.4/815-sata-0001-ahci-qoriq-enable-acpi-support-in-qoriq-ahci-driver.patch new file mode 100644 index 0000000000..74d75d0077 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/815-sata-0001-ahci-qoriq-enable-acpi-support-in-qoriq-ahci-driver.patch @@ -0,0 +1,83 @@ +From 8f0baa717e7854b795567678415bc7173d66bc13 Mon Sep 17 00:00:00 2001 +From: Peng Ma <peng.ma@nxp.com> +Date: Wed, 15 May 2019 05:45:35 +0000 +Subject: [PATCH] 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: Peng Ma <peng.ma@nxp.com> +--- + drivers/ata/ahci_qoriq.c | 20 +++++++++++++++++--- + 1 file changed, 17 insertions(+), 3 deletions(-) + +--- 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_qo + }; + 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 ah + 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 platf + 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 platf + } + } + +- 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 = { + .name = DRV_NAME, + .of_match_table = ahci_qoriq_of_match, ++ .acpi_match_table = ahci_qoriq_acpi_match, + .pm = &ahci_qoriq_pm_ops, + }, + }; |