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scsi: ufs: Reduce power management code duplication 

Move the dev_get_drvdata() calls into the ufshcd_{system,runtime}_*()
functions. Remove ufshcd_runtime_idle() since it is empty. This patch does
not change any functionality.

Link: https://lore.kernel.org/r/20210722033439.26550-3-bvanassche@acm.org
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Stanley Chu <stanley.chu@mediatek.com>
Cc: Can Guo <cang@codeaurora.org>
Cc: Asutosh Das <asutoshd@codeaurora.org>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Daejun Park <daejun7.park@samsung.com>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Bart Van Assche 2021-07-21 20:34:23 -07:00 committed by Martin K. Petersen
parent d3d9c45702
commit f1ecbe1e54
12 changed files with 41 additions and 196 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/scsi/ufs/cdns-pltfrm.c
View File

@ -318,11 +318,8 @@ static int cdns_ufs_pltfrm_remove(struct platform_device *pdev)
}
static const struct dev_pm_ops cdns_ufs_dev_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,
SET_SYSTEM_SLEEP_PM_OPS(ufshcd_system_suspend, ufshcd_system_resume)
SET_RUNTIME_PM_OPS(ufshcd_runtime_suspend, ufshcd_runtime_resume, NULL)
.prepare = ufshcd_suspend_prepare,
.complete = ufshcd_resume_complete,
};

32
drivers/scsi/ufs/tc-dwc-g210-pci.c
View File

@ -23,31 +23,6 @@ static int tc_type = TC_G210_INV;
module_param(tc_type, int, 0);
MODULE_PARM_DESC(tc_type, "Test Chip Type (20 = 20-bit, 40 = 40-bit)");
static int tc_dwc_g210_pci_suspend(struct device *dev)
{
return ufshcd_system_suspend(dev_get_drvdata(dev));
}
static int tc_dwc_g210_pci_resume(struct device *dev)
{
return ufshcd_system_resume(dev_get_drvdata(dev));
}
static int tc_dwc_g210_pci_runtime_suspend(struct device *dev)
{
return ufshcd_runtime_suspend(dev_get_drvdata(dev));
}
static int tc_dwc_g210_pci_runtime_resume(struct device *dev)
{
return ufshcd_runtime_resume(dev_get_drvdata(dev));
}
static int tc_dwc_g210_pci_runtime_idle(struct device *dev)
{
return ufshcd_runtime_idle(dev_get_drvdata(dev));
}
/*
* struct ufs_hba_dwc_vops - UFS DWC specific variant operations
*/
@ -143,11 +118,8 @@ tc_dwc_g210_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
}
static const struct dev_pm_ops tc_dwc_g210_pci_pm_ops = {
.suspend = tc_dwc_g210_pci_suspend,
.resume = tc_dwc_g210_pci_resume,
.runtime_suspend = tc_dwc_g210_pci_runtime_suspend,
.runtime_resume = tc_dwc_g210_pci_runtime_resume,
.runtime_idle = tc_dwc_g210_pci_runtime_idle,
SET_SYSTEM_SLEEP_PM_OPS(ufshcd_system_suspend, ufshcd_system_resume)
SET_RUNTIME_PM_OPS(ufshcd_runtime_suspend, ufshcd_runtime_resume, NULL)
.prepare = ufshcd_suspend_prepare,
.complete = ufshcd_resume_complete,
};

7
drivers/scsi/ufs/tc-dwc-g210-pltfrm.c
View File

@ -84,11 +84,8 @@ static int tc_dwc_g210_pltfm_remove(struct platform_device *pdev)
}
static const struct dev_pm_ops tc_dwc_g210_pltfm_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,
SET_SYSTEM_SLEEP_PM_OPS(ufshcd_system_suspend, ufshcd_system_resume)
SET_RUNTIME_PM_OPS(ufshcd_runtime_suspend, ufshcd_runtime_resume, NULL)
};
static struct platform_driver tc_dwc_g210_pltfm_driver = {

7
drivers/scsi/ufs/ufs-exynos.c
View File

@ -1287,11 +1287,8 @@ static const struct of_device_id exynos_ufs_of_match[] = {
};
static const struct dev_pm_ops exynos_ufs_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,
SET_SYSTEM_SLEEP_PM_OPS(ufshcd_system_suspend, ufshcd_system_resume)
SET_RUNTIME_PM_OPS(ufshcd_runtime_suspend, ufshcd_runtime_resume, NULL)
.prepare = ufshcd_suspend_prepare,
.complete = ufshcd_resume_complete,
};

7
drivers/scsi/ufs/ufs-hisi.c
View File

@ -572,11 +572,8 @@ static int ufs_hisi_remove(struct platform_device *pdev)
}
static const struct dev_pm_ops ufs_hisi_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,
SET_SYSTEM_SLEEP_PM_OPS(ufshcd_system_suspend, ufshcd_system_resume)
SET_RUNTIME_PM_OPS(ufshcd_runtime_suspend, ufshcd_runtime_resume, NULL)
.prepare = ufshcd_suspend_prepare,
.complete = ufshcd_resume_complete,
};

7
drivers/scsi/ufs/ufs-mediatek.c
View File

@ -1140,11 +1140,8 @@ static int ufs_mtk_remove(struct platform_device *pdev)
}
static const struct dev_pm_ops ufs_mtk_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,
SET_SYSTEM_SLEEP_PM_OPS(ufshcd_system_suspend, ufshcd_system_resume)
SET_RUNTIME_PM_OPS(ufshcd_runtime_suspend, ufshcd_runtime_resume, NULL)
.prepare = ufshcd_suspend_prepare,
.complete = ufshcd_resume_complete,
};

7
drivers/scsi/ufs/ufs-qcom.c
View File

@ -1546,11 +1546,8 @@ 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,
.runtime_suspend = ufshcd_pltfrm_runtime_suspend,
.runtime_resume = ufshcd_pltfrm_runtime_resume,
.runtime_idle = ufshcd_pltfrm_runtime_idle,
SET_SYSTEM_SLEEP_PM_OPS(ufshcd_system_suspend, ufshcd_system_resume)
SET_RUNTIME_PM_OPS(ufshcd_runtime_suspend, ufshcd_runtime_resume, NULL)
.prepare = ufshcd_suspend_prepare,
.complete = ufshcd_resume_complete,
};

48
drivers/scsi/ufs/ufshcd-pci.c
View File

@ -385,48 +385,6 @@ static struct ufs_hba_variant_ops ufs_intel_lkf_hba_vops = {
.device_reset = ufs_intel_device_reset,
};
#ifdef CONFIG_PM_SLEEP
/**
* ufshcd_pci_suspend - suspend power management function
* @dev: pointer to PCI device handle
*
* Returns 0 if successful
* Returns non-zero otherwise
*/
static int ufshcd_pci_suspend(struct device *dev)
{
return ufshcd_system_suspend(dev_get_drvdata(dev));
}
/**
* ufshcd_pci_resume - resume power management function
* @dev: pointer to PCI device handle
*
* Returns 0 if successful
* Returns non-zero otherwise
*/
static int ufshcd_pci_resume(struct device *dev)
{
return ufshcd_system_resume(dev_get_drvdata(dev));
}
#endif /* !CONFIG_PM_SLEEP */
#ifdef CONFIG_PM
static int ufshcd_pci_runtime_suspend(struct device *dev)
{
return ufshcd_runtime_suspend(dev_get_drvdata(dev));
}
static int ufshcd_pci_runtime_resume(struct device *dev)
{
return ufshcd_runtime_resume(dev_get_drvdata(dev));
}
static int ufshcd_pci_runtime_idle(struct device *dev)
{
return ufshcd_runtime_idle(dev_get_drvdata(dev));
}
#endif /* !CONFIG_PM */
/**
* ufshcd_pci_shutdown - main function to put the controller in reset state
* @pdev: pointer to PCI device handle
@ -510,10 +468,8 @@ ufshcd_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
}
static const struct dev_pm_ops ufshcd_pci_pm_ops = {
SET_RUNTIME_PM_OPS(ufshcd_pci_runtime_suspend,
ufshcd_pci_runtime_resume,
ufshcd_pci_runtime_idle)
SET_SYSTEM_SLEEP_PM_OPS(ufshcd_pci_suspend, ufshcd_pci_resume)
SET_SYSTEM_SLEEP_PM_OPS(ufshcd_system_suspend, ufshcd_system_resume)
SET_RUNTIME_PM_OPS(ufshcd_runtime_suspend, ufshcd_runtime_resume, NULL)
#ifdef CONFIG_PM_SLEEP
.prepare = ufshcd_suspend_prepare,
.complete = ufshcd_resume_complete,

47
drivers/scsi/ufs/ufshcd-pltfrm.c
View File

@ -170,53 +170,6 @@ out:
return err;
}
#ifdef CONFIG_PM
/**
* ufshcd_pltfrm_suspend - suspend power management function
* @dev: pointer to device handle
*
* Returns 0 if successful
* Returns non-zero otherwise
*/
int ufshcd_pltfrm_suspend(struct device *dev)
{
return ufshcd_system_suspend(dev_get_drvdata(dev));
}
EXPORT_SYMBOL_GPL(ufshcd_pltfrm_suspend);
/**
* ufshcd_pltfrm_resume - resume power management function
* @dev: pointer to device handle
*
* Returns 0 if successful
* Returns non-zero otherwise
*/
int ufshcd_pltfrm_resume(struct device *dev)
{
return ufshcd_system_resume(dev_get_drvdata(dev));
}
EXPORT_SYMBOL_GPL(ufshcd_pltfrm_resume);
int ufshcd_pltfrm_runtime_suspend(struct device *dev)
{
return ufshcd_runtime_suspend(dev_get_drvdata(dev));
}
EXPORT_SYMBOL_GPL(ufshcd_pltfrm_runtime_suspend);
int ufshcd_pltfrm_runtime_resume(struct device *dev)
{
return ufshcd_runtime_resume(dev_get_drvdata(dev));
}
EXPORT_SYMBOL_GPL(ufshcd_pltfrm_runtime_resume);
int ufshcd_pltfrm_runtime_idle(struct device *dev)
{
return ufshcd_runtime_idle(dev_get_drvdata(dev));
}
EXPORT_SYMBOL_GPL(ufshcd_pltfrm_runtime_idle);
#endif /* CONFIG_PM */
void ufshcd_pltfrm_shutdown(struct platform_device *pdev)
{
ufshcd_shutdown((struct ufs_hba *)platform_get_drvdata(pdev));

18
drivers/scsi/ufs/ufshcd-pltfrm.h
View File

@ -33,22 +33,4 @@ int ufshcd_pltfrm_init(struct platform_device *pdev,
const struct ufs_hba_variant_ops *vops);
void ufshcd_pltfrm_shutdown(struct platform_device *pdev);
#ifdef CONFIG_PM
int ufshcd_pltfrm_suspend(struct device *dev);
int ufshcd_pltfrm_resume(struct device *dev);
int ufshcd_pltfrm_runtime_suspend(struct device *dev);
int ufshcd_pltfrm_runtime_resume(struct device *dev);
int ufshcd_pltfrm_runtime_idle(struct device *dev);
#else /* !CONFIG_PM */
#define ufshcd_pltfrm_suspend NULL
#define ufshcd_pltfrm_resume NULL
#define ufshcd_pltfrm_runtime_suspend NULL
#define ufshcd_pltfrm_runtime_resume NULL
#define ufshcd_pltfrm_runtime_idle NULL
#endif /* CONFIG_PM */
#endif /* UFSHCD_PLTFRM_H_ */

41
drivers/scsi/ufs/ufshcd.c
View File

@ -9278,15 +9278,17 @@ out:
}
/**
* ufshcd_system_suspend - system suspend routine
* @hba: per adapter instance
* ufshcd_system_suspend - system suspend callback
* @dev: Device associated with the UFS controller.
*
* Check the description of ufshcd_suspend() function for more details.
* Executed before putting the system into a sleep state in which the contents
* of main memory are preserved.
*
* Returns 0 for success and non-zero for failure
*/
int ufshcd_system_suspend(struct ufs_hba *hba)
int ufshcd_system_suspend(struct device *dev)
{
struct ufs_hba *hba = dev_get_drvdata(dev);
int ret = 0;
ktime_t start = ktime_get();
@ -9303,16 +9305,19 @@ out:
EXPORT_SYMBOL(ufshcd_system_suspend);
/**
* ufshcd_system_resume - system resume routine
* @hba: per adapter instance
* ufshcd_system_resume - system resume callback
* @dev: Device associated with the UFS controller.
*
* Executed after waking the system up from a sleep state in which the contents
* of main memory were preserved.
*
* Returns 0 for success and non-zero for failure
*/
int ufshcd_system_resume(struct ufs_hba *hba)
int ufshcd_system_resume(struct device *dev)
{
int ret = 0;
struct ufs_hba *hba = dev_get_drvdata(dev);
ktime_t start = ktime_get();
int ret = 0;
if (pm_runtime_suspended(hba->dev))
goto out;
@ -9329,15 +9334,16 @@ out:
EXPORT_SYMBOL(ufshcd_system_resume);
/**
* ufshcd_runtime_suspend - runtime suspend routine
* @hba: per adapter instance
* ufshcd_runtime_suspend - runtime suspend callback
* @dev: Device associated with the UFS controller.
*
* Check the description of ufshcd_suspend() function for more details.
*
* Returns 0 for success and non-zero for failure
*/
int ufshcd_runtime_suspend(struct ufs_hba *hba)
int ufshcd_runtime_suspend(struct device *dev)
{
struct ufs_hba *hba = dev_get_drvdata(dev);
int ret;
ktime_t start = ktime_get();
@ -9352,7 +9358,7 @@ EXPORT_SYMBOL(ufshcd_runtime_suspend);
/**
* ufshcd_runtime_resume - runtime resume routine
* @hba: per adapter instance
* @dev: Device associated with the UFS controller.
*
* This function basically brings controller
* to active state. Following operations are done in this function:
@ -9360,8 +9366,9 @@ EXPORT_SYMBOL(ufshcd_runtime_suspend);
* 1. Turn on all the controller related clocks
* 2. Turn ON VCC rail
*/
int ufshcd_runtime_resume(struct ufs_hba *hba)
int ufshcd_runtime_resume(struct device *dev)
{
struct ufs_hba *hba = dev_get_drvdata(dev);
int ret;
ktime_t start = ktime_get();
@ -9374,12 +9381,6 @@ int ufshcd_runtime_resume(struct ufs_hba *hba)
}
EXPORT_SYMBOL(ufshcd_runtime_resume);
int ufshcd_runtime_idle(struct ufs_hba *hba)
{
return 0;
}
EXPORT_SYMBOL(ufshcd_runtime_idle);
/**
* ufshcd_shutdown - shutdown routine
* @hba: per adapter instance

9
drivers/scsi/ufs/ufshcd.h
View File

@ -1030,11 +1030,10 @@ static inline u8 ufshcd_wb_get_query_index(struct ufs_hba *hba)
return 0;
}
extern int ufshcd_runtime_suspend(struct ufs_hba *hba);
extern int ufshcd_runtime_resume(struct ufs_hba *hba);
extern int ufshcd_runtime_idle(struct ufs_hba *hba);
extern int ufshcd_system_suspend(struct ufs_hba *hba);
extern int ufshcd_system_resume(struct ufs_hba *hba);
extern int ufshcd_runtime_suspend(struct device *dev);
extern int ufshcd_runtime_resume(struct device *dev);
extern int ufshcd_system_suspend(struct device *dev);
extern int ufshcd_system_resume(struct device *dev);
extern int ufshcd_shutdown(struct ufs_hba *hba);
extern int ufshcd_dme_configure_adapt(struct ufs_hba *hba,
int agreed_gear,