On 18/05/23 01:31, Bart Van Assche wrote: > All UFS host drivers call ufshcd_shutdown(). Hence, instead of calling > ufshcd_shutdown() from the host driver .shutdown() callback, inline that > function into ufshcd_wl_shutdown(). > > Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx> Reviewed-by: Adrian Hunter <adrian.hunter@xxxxxxxxx> > --- > drivers/ufs/core/ufshcd.c | 23 +++++------------------ > drivers/ufs/host/cdns-pltfrm.c | 1 - > drivers/ufs/host/tc-dwc-g210-pci.c | 10 ---------- > drivers/ufs/host/tc-dwc-g210-pltfrm.c | 1 - > drivers/ufs/host/ufs-exynos.c | 1 - > drivers/ufs/host/ufs-hisi.c | 1 - > drivers/ufs/host/ufs-mediatek.c | 1 - > drivers/ufs/host/ufs-qcom.c | 1 - > drivers/ufs/host/ufs-sprd.c | 1 - > drivers/ufs/host/ufshcd-pci.c | 10 ---------- > drivers/ufs/host/ufshcd-pltfrm.c | 6 ------ > drivers/ufs/host/ufshcd-pltfrm.h | 1 - > include/ufs/ufshcd.h | 1 - > 13 files changed, 5 insertions(+), 53 deletions(-) > > diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c > index 0f426d46d91e..7ee150d67d49 100644 > --- a/drivers/ufs/core/ufshcd.c > +++ b/drivers/ufs/core/ufshcd.c > @@ -9933,9 +9933,7 @@ EXPORT_SYMBOL(ufshcd_runtime_resume); > static void ufshcd_wl_shutdown(struct device *dev) > { > struct scsi_device *sdev = to_scsi_device(dev); > - struct ufs_hba *hba; > - > - hba = shost_priv(sdev->host); > + struct ufs_hba *hba = shost_priv(sdev->host); > > down(&hba->host_sem); > hba->shutting_down = true; > @@ -9950,27 +9948,16 @@ static void ufshcd_wl_shutdown(struct device *dev) > scsi_device_quiesce(sdev); > } > __ufshcd_wl_suspend(hba, UFS_SHUTDOWN_PM); > -} > > -/** > - * ufshcd_shutdown - shutdown routine > - * @hba: per adapter instance > - * > - * This function would turn off both UFS device and UFS hba > - * regulators. It would also disable clocks. > - * > - * Returns 0 always to allow force shutdown even in case of errors. > - */ > -int ufshcd_shutdown(struct ufs_hba *hba) > -{ > + /* > + * Next, turn off the UFS controller and the UFS regulators. Disable > + * clocks. > + */ > if (ufshcd_is_ufs_dev_poweroff(hba) && ufshcd_is_link_off(hba)) > ufshcd_suspend(hba); > > hba->is_powered = false; > - /* allow force shutdown even in case of errors */ > - return 0; > } > -EXPORT_SYMBOL(ufshcd_shutdown); > > /** > * ufshcd_remove - de-allocate SCSI host and host memory space > diff --git a/drivers/ufs/host/cdns-pltfrm.c b/drivers/ufs/host/cdns-pltfrm.c > index e05c0ae64eea..26761425a76c 100644 > --- a/drivers/ufs/host/cdns-pltfrm.c > +++ b/drivers/ufs/host/cdns-pltfrm.c > @@ -328,7 +328,6 @@ static const struct dev_pm_ops cdns_ufs_dev_pm_ops = { > static struct platform_driver cdns_ufs_pltfrm_driver = { > .probe = cdns_ufs_pltfrm_probe, > .remove = cdns_ufs_pltfrm_remove, > - .shutdown = ufshcd_pltfrm_shutdown, > .driver = { > .name = "cdns-ufshcd", > .pm = &cdns_ufs_dev_pm_ops, > diff --git a/drivers/ufs/host/tc-dwc-g210-pci.c b/drivers/ufs/host/tc-dwc-g210-pci.c > index 92b8ad4b58fe..f96fe5855841 100644 > --- a/drivers/ufs/host/tc-dwc-g210-pci.c > +++ b/drivers/ufs/host/tc-dwc-g210-pci.c > @@ -32,15 +32,6 @@ static struct ufs_hba_variant_ops tc_dwc_g210_pci_hba_vops = { > .link_startup_notify = ufshcd_dwc_link_startup_notify, > }; > > -/** > - * tc_dwc_g210_pci_shutdown - main function to put the controller in reset state > - * @pdev: pointer to PCI device handle > - */ > -static void tc_dwc_g210_pci_shutdown(struct pci_dev *pdev) > -{ > - ufshcd_shutdown((struct ufs_hba *)pci_get_drvdata(pdev)); > -} > - > /** > * tc_dwc_g210_pci_remove - de-allocate PCI/SCSI host and host memory space > * data structure memory > @@ -137,7 +128,6 @@ static struct pci_driver tc_dwc_g210_pci_driver = { > .id_table = tc_dwc_g210_pci_tbl, > .probe = tc_dwc_g210_pci_probe, > .remove = tc_dwc_g210_pci_remove, > - .shutdown = tc_dwc_g210_pci_shutdown, > .driver = { > .pm = &tc_dwc_g210_pci_pm_ops > }, > diff --git a/drivers/ufs/host/tc-dwc-g210-pltfrm.c b/drivers/ufs/host/tc-dwc-g210-pltfrm.c > index f15a84d0c176..4d5389dd9585 100644 > --- a/drivers/ufs/host/tc-dwc-g210-pltfrm.c > +++ b/drivers/ufs/host/tc-dwc-g210-pltfrm.c > @@ -92,7 +92,6 @@ static const struct dev_pm_ops tc_dwc_g210_pltfm_pm_ops = { > static struct platform_driver tc_dwc_g210_pltfm_driver = { > .probe = tc_dwc_g210_pltfm_probe, > .remove = tc_dwc_g210_pltfm_remove, > - .shutdown = ufshcd_pltfrm_shutdown, > .driver = { > .name = "tc-dwc-g210-pltfm", > .pm = &tc_dwc_g210_pltfm_pm_ops, > diff --git a/drivers/ufs/host/ufs-exynos.c b/drivers/ufs/host/ufs-exynos.c > index 0bf5390739e1..f41056f57fd7 100644 > --- a/drivers/ufs/host/ufs-exynos.c > +++ b/drivers/ufs/host/ufs-exynos.c > @@ -1757,7 +1757,6 @@ static const struct dev_pm_ops exynos_ufs_pm_ops = { > static struct platform_driver exynos_ufs_pltform = { > .probe = exynos_ufs_probe, > .remove = exynos_ufs_remove, > - .shutdown = ufshcd_pltfrm_shutdown, > .driver = { > .name = "exynos-ufshc", > .pm = &exynos_ufs_pm_ops, > diff --git a/drivers/ufs/host/ufs-hisi.c b/drivers/ufs/host/ufs-hisi.c > index 4c423eba8aa9..18b72e2e68c1 100644 > --- a/drivers/ufs/host/ufs-hisi.c > +++ b/drivers/ufs/host/ufs-hisi.c > @@ -593,7 +593,6 @@ static const struct dev_pm_ops ufs_hisi_pm_ops = { > static struct platform_driver ufs_hisi_pltform = { > .probe = ufs_hisi_probe, > .remove = ufs_hisi_remove, > - .shutdown = ufshcd_pltfrm_shutdown, > .driver = { > .name = "ufshcd-hisi", > .pm = &ufs_hisi_pm_ops, > diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c > index a054810e321d..33b301649757 100644 > --- a/drivers/ufs/host/ufs-mediatek.c > +++ b/drivers/ufs/host/ufs-mediatek.c > @@ -1647,7 +1647,6 @@ static const struct dev_pm_ops ufs_mtk_pm_ops = { > static struct platform_driver ufs_mtk_pltform = { > .probe = ufs_mtk_probe, > .remove = ufs_mtk_remove, > - .shutdown = ufshcd_pltfrm_shutdown, > .driver = { > .name = "ufshcd-mtk", > .pm = &ufs_mtk_pm_ops, > diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c > index 82d02e7f3b4f..059de74dfea3 100644 > --- a/drivers/ufs/host/ufs-qcom.c > +++ b/drivers/ufs/host/ufs-qcom.c > @@ -1723,7 +1723,6 @@ static const struct dev_pm_ops ufs_qcom_pm_ops = { > 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, > diff --git a/drivers/ufs/host/ufs-sprd.c b/drivers/ufs/host/ufs-sprd.c > index 051f3f40d92c..2bad75dd6d58 100644 > --- a/drivers/ufs/host/ufs-sprd.c > +++ b/drivers/ufs/host/ufs-sprd.c > @@ -444,7 +444,6 @@ static const struct dev_pm_ops ufs_sprd_pm_ops = { > static struct platform_driver ufs_sprd_pltform = { > .probe = ufs_sprd_probe, > .remove = ufs_sprd_remove, > - .shutdown = ufshcd_pltfrm_shutdown, > .driver = { > .name = "ufshcd-sprd", > .pm = &ufs_sprd_pm_ops, > diff --git a/drivers/ufs/host/ufshcd-pci.c b/drivers/ufs/host/ufshcd-pci.c > index 9c911787f84c..38276dac8e52 100644 > --- a/drivers/ufs/host/ufshcd-pci.c > +++ b/drivers/ufs/host/ufshcd-pci.c > @@ -504,15 +504,6 @@ static int ufshcd_pci_restore(struct device *dev) > } > #endif > > -/** > - * ufshcd_pci_shutdown - main function to put the controller in reset state > - * @pdev: pointer to PCI device handle > - */ > -static void ufshcd_pci_shutdown(struct pci_dev *pdev) > -{ > - ufshcd_shutdown((struct ufs_hba *)pci_get_drvdata(pdev)); > -} > - > /** > * ufshcd_pci_remove - de-allocate PCI/SCSI host and host memory space > * data structure memory > @@ -618,7 +609,6 @@ static struct pci_driver ufshcd_pci_driver = { > .id_table = ufshcd_pci_tbl, > .probe = ufshcd_pci_probe, > .remove = ufshcd_pci_remove, > - .shutdown = ufshcd_pci_shutdown, > .driver = { > .pm = &ufshcd_pci_pm_ops > }, > diff --git a/drivers/ufs/host/ufshcd-pltfrm.c b/drivers/ufs/host/ufshcd-pltfrm.c > index 5739ff007828..0b7430033047 100644 > --- a/drivers/ufs/host/ufshcd-pltfrm.c > +++ b/drivers/ufs/host/ufshcd-pltfrm.c > @@ -190,12 +190,6 @@ static int ufshcd_parse_regulator_info(struct ufs_hba *hba) > return err; > } > > -void ufshcd_pltfrm_shutdown(struct platform_device *pdev) > -{ > - ufshcd_shutdown((struct ufs_hba *)platform_get_drvdata(pdev)); > -} > -EXPORT_SYMBOL_GPL(ufshcd_pltfrm_shutdown); > - > static void ufshcd_init_lanes_per_dir(struct ufs_hba *hba) > { > struct device *dev = hba->dev; > diff --git a/drivers/ufs/host/ufshcd-pltfrm.h b/drivers/ufs/host/ufshcd-pltfrm.h > index 2e4ba2bfbcad..2df108f4ac13 100644 > --- a/drivers/ufs/host/ufshcd-pltfrm.h > +++ b/drivers/ufs/host/ufshcd-pltfrm.h > @@ -31,7 +31,6 @@ int ufshcd_get_pwr_dev_param(const struct ufs_dev_params *dev_param, > void ufshcd_init_pwr_dev_param(struct ufs_dev_params *dev_param); > int ufshcd_pltfrm_init(struct platform_device *pdev, > const struct ufs_hba_variant_ops *vops); > -void ufshcd_pltfrm_shutdown(struct platform_device *pdev); > int ufshcd_populate_vreg(struct device *dev, const char *name, > struct ufs_vreg **out_vreg); > > diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h > index f7553293ba98..db2e669985d5 100644 > --- a/include/ufs/ufshcd.h > +++ b/include/ufs/ufshcd.h > @@ -1277,7 +1277,6 @@ extern int ufshcd_system_freeze(struct device *dev); > extern int ufshcd_system_thaw(struct device *dev); > extern int ufshcd_system_restore(struct device *dev); > #endif > -extern int ufshcd_shutdown(struct ufs_hba *hba); > > extern int ufshcd_dme_configure_adapt(struct ufs_hba *hba, > int agreed_gear, >