diff options
Diffstat (limited to 'drivers/scsi/ufs/ufs-qcom.c')
-rw-r--r-- | drivers/scsi/ufs/ufs-qcom.c | 62 |
1 files changed, 61 insertions, 1 deletions
diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c index 329ac846befe..b275a9a3b4d5 100644 --- a/drivers/scsi/ufs/ufs-qcom.c +++ b/drivers/scsi/ufs/ufs-qcom.c @@ -19,6 +19,7 @@ #include <linux/phy/phy-qcom-ufs.h> #include "ufshcd.h" +#include "ufshcd-pltfrm.h" #include "unipro.h" #include "ufs-qcom.h" #include "ufshci.h" @@ -1036,7 +1037,7 @@ void ufs_qcom_clk_scale_notify(struct ufs_hba *hba) * The variant operations configure the necessary controller and PHY * handshake during initialization. */ -static const struct ufs_hba_variant_ops ufs_hba_qcom_vops = { +static struct ufs_hba_variant_ops ufs_hba_qcom_vops = { .name = "qcom", .init = ufs_qcom_init, .exit = ufs_qcom_exit, @@ -1050,4 +1051,63 @@ static const struct ufs_hba_variant_ops ufs_hba_qcom_vops = { .resume = ufs_qcom_resume, }; +/** + * ufs_qcom_probe - probe routine of the driver + * @pdev: pointer to Platform device handle + * + * Return zero for success and non-zero for failure + */ +static int ufs_qcom_probe(struct platform_device *pdev) +{ + int err; + struct device *dev = &pdev->dev; + + /* Perform generic probe */ + err = ufshcd_pltfrm_init(pdev, &ufs_hba_qcom_vops); + if (err) + dev_err(dev, "ufshcd_pltfrm_init() failed %d\n", err); + + return err; +} + +/** + * ufs_qcom_remove - set driver_data of the device to NULL + * @pdev: pointer to platform device handle + * + * Always return 0 + */ +static int ufs_qcom_remove(struct platform_device *pdev) +{ + struct ufs_hba *hba = platform_get_drvdata(pdev); + + pm_runtime_get_sync(&(pdev)->dev); + ufshcd_remove(hba); + return 0; +} + +static const struct of_device_id ufs_qcom_of_match[] = { + { .compatible = "qcom,ufshc"}, + {}, +}; + +static const struct dev_pm_ops ufs_qcom_pm_ops = { + .suspend = ufshcd_pltfrm_suspend, + .resume = ufshcd_pltfrm_resume, + .runtime_suspend = ufshcd_pltfrm_runtime_suspend, + .runtime_resume = ufshcd_pltfrm_runtime_resume, + .runtime_idle = ufshcd_pltfrm_runtime_idle, +}; + +static struct platform_driver ufs_qcom_pltform = { + .probe = ufs_qcom_probe, + .remove = ufs_qcom_remove, + .shutdown = ufshcd_pltfrm_shutdown, + .driver = { + .name = "ufshcd-qcom", + .pm = &ufs_qcom_pm_ops, + .of_match_table = of_match_ptr(ufs_qcom_of_match), + }, +}; +module_platform_driver(ufs_qcom_pltform); + MODULE_LICENSE("GPL v2"); |