diff options
Diffstat (limited to 'drivers/scsi/ufs/ufs-qcom.c')
| -rw-r--r-- | drivers/scsi/ufs/ufs-qcom.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c index b4d1b5c22987..ee4b1da1e223 100644 --- a/drivers/scsi/ufs/ufs-qcom.c +++ b/drivers/scsi/ufs/ufs-qcom.c @@ -3,6 +3,7 @@ * Copyright (c) 2013-2016, Linux Foundation. All rights reserved. */ +#include <linux/acpi.h> #include <linux/time.h> #include <linux/of.h> #include <linux/platform_device.h> @@ -161,6 +162,9 @@ static int ufs_qcom_init_lane_clks(struct ufs_qcom_host *host) int err = 0; struct device *dev = host->hba->dev; + if (has_acpi_companion(dev)) + return 0; + err = ufs_qcom_host_clk_get(dev, "rx_lane0_sync_clk", &host->rx_l0_sync_clk, false); if (err) @@ -1127,9 +1131,13 @@ static int ufs_qcom_init(struct ufs_hba *hba) __func__, err); goto out_variant_clear; } else if (IS_ERR(host->generic_phy)) { - err = PTR_ERR(host->generic_phy); - dev_err(dev, "%s: PHY get failed %d\n", __func__, err); - goto out_variant_clear; + if (has_acpi_companion(dev)) { + host->generic_phy = NULL; + } else { + err = PTR_ERR(host->generic_phy); + dev_err(dev, "%s: PHY get failed %d\n", __func__, err); + goto out_variant_clear; + } } err = ufs_qcom_bus_register(host); @@ -1599,6 +1607,14 @@ static const struct of_device_id ufs_qcom_of_match[] = { }; MODULE_DEVICE_TABLE(of, ufs_qcom_of_match); +#ifdef CONFIG_ACPI +static const struct acpi_device_id ufs_qcom_acpi_match[] = { + { "QCOM24A5" }, + { }, +}; +MODULE_DEVICE_TABLE(acpi, ufs_qcom_acpi_match); +#endif + static const struct dev_pm_ops ufs_qcom_pm_ops = { .suspend = ufshcd_pltfrm_suspend, .resume = ufshcd_pltfrm_resume, @@ -1615,6 +1631,7 @@ static struct platform_driver ufs_qcom_pltform = { .name = "ufshcd-qcom", .pm = &ufs_qcom_pm_ops, .of_match_table = of_match_ptr(ufs_qcom_of_match), + .acpi_match_table = ACPI_PTR(ufs_qcom_acpi_match), }, }; module_platform_driver(ufs_qcom_pltform); |