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https://github.com/edk2-porting/linux-next.git
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scsi: ufs: creates wrapper functions for vops
In order to simplify the code a set of wrapper functions is created to test and call each of the variant operations. Reviewed-by: Akinobu Mita <akinobu.mita@gmail.com> Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org> Reviewed-by: Gilad Broner <gbroner@codeaurora.org> Signed-off-by: Yaniv Gardi <ygardi@codeaurora.org> Tested-by: Alim Akhtar <alim.akhtar@samsung.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Yaniv Gardi
Martin K. Petersen
parent
1ce5898af5
commit
0263bcd0e8
@ -1049,6 +1049,5 @@ static const struct ufs_hba_variant_ops ufs_hba_qcom_vops = {
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.suspend = ufs_qcom_suspend,
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.resume = ufs_qcom_resume,
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};
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EXPORT_SYMBOL(ufs_hba_qcom_vops);
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MODULE_LICENSE("GPL v2");
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@ -271,10 +271,8 @@ static inline u32 ufshcd_get_intr_mask(struct ufs_hba *hba)
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*/
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static inline u32 ufshcd_get_ufs_version(struct ufs_hba *hba)
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{
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if (hba->quirks & UFSHCD_QUIRK_BROKEN_UFS_HCI_VERSION) {
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if (hba->vops && hba->vops->get_ufs_hci_version)
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return hba->vops->get_ufs_hci_version(hba);
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}
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if (hba->quirks & UFSHCD_QUIRK_BROKEN_UFS_HCI_VERSION)
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return ufshcd_vops_get_ufs_hci_version(hba);
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return ufshcd_readl(hba, REG_UFS_VERSION);
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}
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@ -2473,9 +2471,8 @@ static int ufshcd_change_power_mode(struct ufs_hba *hba,
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dev_err(hba->dev,
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"%s: power mode change failed %d\n", __func__, ret);
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} else {
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if (hba->vops && hba->vops->pwr_change_notify)
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hba->vops->pwr_change_notify(hba,
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POST_CHANGE, NULL, pwr_mode);
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ufshcd_vops_pwr_change_notify(hba, POST_CHANGE, NULL,
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pwr_mode);
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memcpy(&hba->pwr_info, pwr_mode,
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sizeof(struct ufs_pa_layer_attr));
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@ -2495,10 +2492,10 @@ static int ufshcd_config_pwr_mode(struct ufs_hba *hba,
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struct ufs_pa_layer_attr final_params = { 0 };
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int ret;
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if (hba->vops && hba->vops->pwr_change_notify)
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hba->vops->pwr_change_notify(hba,
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PRE_CHANGE, desired_pwr_mode, &final_params);
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else
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ret = ufshcd_vops_pwr_change_notify(hba, PRE_CHANGE,
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desired_pwr_mode, &final_params);
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if (ret)
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memcpy(&final_params, desired_pwr_mode, sizeof(final_params));
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ret = ufshcd_change_power_mode(hba, &final_params);
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@ -2647,8 +2644,7 @@ static int ufshcd_hba_enable(struct ufs_hba *hba)
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/* UniPro link is disabled at this point */
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ufshcd_set_link_off(hba);
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if (hba->vops && hba->vops->hce_enable_notify)
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hba->vops->hce_enable_notify(hba, PRE_CHANGE);
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ufshcd_vops_hce_enable_notify(hba, PRE_CHANGE);
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/* start controller initialization sequence */
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ufshcd_hba_start(hba);
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@ -2681,8 +2677,7 @@ static int ufshcd_hba_enable(struct ufs_hba *hba)
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/* enable UIC related interrupts */
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ufshcd_enable_intr(hba, UFSHCD_UIC_MASK);
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if (hba->vops && hba->vops->hce_enable_notify)
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hba->vops->hce_enable_notify(hba, POST_CHANGE);
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ufshcd_vops_hce_enable_notify(hba, POST_CHANGE);
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return 0;
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}
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@ -2735,8 +2730,7 @@ static int ufshcd_link_startup(struct ufs_hba *hba)
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int retries = DME_LINKSTARTUP_RETRIES;
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do {
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if (hba->vops && hba->vops->link_startup_notify)
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hba->vops->link_startup_notify(hba, PRE_CHANGE);
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ufshcd_vops_link_startup_notify(hba, PRE_CHANGE);
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ret = ufshcd_dme_link_startup(hba);
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@ -2767,11 +2761,9 @@ static int ufshcd_link_startup(struct ufs_hba *hba)
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}
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/* Include any host controller configuration via UIC commands */
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if (hba->vops && hba->vops->link_startup_notify) {
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ret = hba->vops->link_startup_notify(hba, POST_CHANGE);
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if (ret)
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goto out;
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}
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ret = ufshcd_vops_link_startup_notify(hba, POST_CHANGE);
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if (ret)
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goto out;
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ret = ufshcd_make_hba_operational(hba);
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out:
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@ -4578,8 +4570,7 @@ static int __ufshcd_setup_clocks(struct ufs_hba *hba, bool on,
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}
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}
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if (hba->vops && hba->vops->setup_clocks)
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ret = hba->vops->setup_clocks(hba, on);
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ret = ufshcd_vops_setup_clocks(hba, on);
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out:
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if (ret) {
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list_for_each_entry(clki, head, list) {
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@ -4645,27 +4636,22 @@ static int ufshcd_variant_hba_init(struct ufs_hba *hba)
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if (!hba->vops)
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goto out;
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if (hba->vops->init) {
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err = hba->vops->init(hba);
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if (err)
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goto out;
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}
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err = ufshcd_vops_init(hba);
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if (err)
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goto out;
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if (hba->vops->setup_regulators) {
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err = hba->vops->setup_regulators(hba, true);
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if (err)
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goto out_exit;
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}
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err = ufshcd_vops_setup_regulators(hba, true);
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if (err)
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goto out_exit;
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goto out;
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out_exit:
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if (hba->vops->exit)
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hba->vops->exit(hba);
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ufshcd_vops_exit(hba);
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out:
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if (err)
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dev_err(hba->dev, "%s: variant %s init failed err %d\n",
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__func__, hba->vops ? hba->vops->name : "", err);
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__func__, ufshcd_get_var_name(hba), err);
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return err;
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}
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@ -4674,14 +4660,11 @@ static void ufshcd_variant_hba_exit(struct ufs_hba *hba)
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if (!hba->vops)
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return;
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if (hba->vops->setup_clocks)
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hba->vops->setup_clocks(hba, false);
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ufshcd_vops_setup_clocks(hba, false);
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if (hba->vops->setup_regulators)
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hba->vops->setup_regulators(hba, false);
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ufshcd_vops_setup_regulators(hba, false);
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if (hba->vops->exit)
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hba->vops->exit(hba);
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ufshcd_vops_exit(hba);
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}
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static int ufshcd_hba_init(struct ufs_hba *hba)
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@ -5058,17 +5041,13 @@ disable_clks:
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* vendor specific host controller register space call them before the
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* host clocks are ON.
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*/
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if (hba->vops && hba->vops->suspend) {
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ret = hba->vops->suspend(hba, pm_op);
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if (ret)
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goto set_link_active;
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}
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ret = ufshcd_vops_suspend(hba, pm_op);
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if (ret)
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goto set_link_active;
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if (hba->vops && hba->vops->setup_clocks) {
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ret = hba->vops->setup_clocks(hba, false);
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if (ret)
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goto vops_resume;
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}
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ret = ufshcd_vops_setup_clocks(hba, false);
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if (ret)
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goto vops_resume;
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if (!ufshcd_is_link_active(hba))
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ufshcd_setup_clocks(hba, false);
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@ -5079,7 +5058,7 @@ disable_clks:
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hba->clk_gating.state = CLKS_OFF;
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/*
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* Disable the host irq as host controller as there won't be any
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* host controller trasanction expected till resume.
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* host controller transaction expected till resume.
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*/
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ufshcd_disable_irq(hba);
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/* Put the host controller in low power mode if possible */
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@ -5087,8 +5066,7 @@ disable_clks:
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goto out;
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vops_resume:
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if (hba->vops && hba->vops->resume)
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hba->vops->resume(hba, pm_op);
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ufshcd_vops_resume(hba, pm_op);
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set_link_active:
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ufshcd_vreg_set_hpm(hba);
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if (ufshcd_is_link_hibern8(hba) && !ufshcd_uic_hibern8_exit(hba))
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@ -5144,11 +5122,9 @@ static int ufshcd_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
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* vendor specific host controller register space call them when the
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* host clocks are ON.
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*/
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if (hba->vops && hba->vops->resume) {
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ret = hba->vops->resume(hba, pm_op);
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if (ret)
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goto disable_vreg;
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}
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ret = ufshcd_vops_resume(hba, pm_op);
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if (ret)
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goto disable_vreg;
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if (ufshcd_is_link_hibern8(hba)) {
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ret = ufshcd_uic_hibern8_exit(hba);
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@ -5189,8 +5165,7 @@ static int ufshcd_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
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set_old_link_state:
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ufshcd_link_state_transition(hba, old_link_state, 0);
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vendor_suspend:
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if (hba->vops && hba->vops->suspend)
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hba->vops->suspend(hba, pm_op);
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ufshcd_vops_suspend(hba, pm_op);
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disable_vreg:
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ufshcd_vreg_set_lpm(hba);
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disable_irq_and_vops_clks:
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@ -5463,8 +5438,7 @@ static int ufshcd_scale_clks(struct ufs_hba *hba, bool scale_up)
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dev_dbg(hba->dev, "%s: clk: %s, rate: %lu\n", __func__,
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clki->name, clk_get_rate(clki->clk));
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}
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if (hba->vops->clk_scale_notify)
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hba->vops->clk_scale_notify(hba);
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ufshcd_vops_clk_scale_notify(hba);
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out:
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return ret;
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}
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@ -674,4 +674,102 @@ static inline int ufshcd_dme_peer_get(struct ufs_hba *hba,
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int ufshcd_hold(struct ufs_hba *hba, bool async);
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void ufshcd_release(struct ufs_hba *hba);
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/* Wrapper functions for safely calling variant operations */
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static inline const char *ufshcd_get_var_name(struct ufs_hba *hba)
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{
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if (hba->vops)
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return hba->vops->name;
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return "";
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}
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static inline int ufshcd_vops_init(struct ufs_hba *hba)
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{
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if (hba->vops && hba->vops->init)
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return hba->vops->init(hba);
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return 0;
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}
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static inline void ufshcd_vops_exit(struct ufs_hba *hba)
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{
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if (hba->vops && hba->vops->exit)
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return hba->vops->exit(hba);
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}
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static inline u32 ufshcd_vops_get_ufs_hci_version(struct ufs_hba *hba)
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{
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if (hba->vops && hba->vops->get_ufs_hci_version)
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return hba->vops->get_ufs_hci_version(hba);
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return ufshcd_readl(hba, REG_UFS_VERSION);
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}
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static inline void ufshcd_vops_clk_scale_notify(struct ufs_hba *hba)
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{
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if (hba->vops && hba->vops->clk_scale_notify)
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return hba->vops->clk_scale_notify(hba);
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}
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static inline int ufshcd_vops_setup_clocks(struct ufs_hba *hba, bool on)
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{
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if (hba->vops && hba->vops->setup_clocks)
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return hba->vops->setup_clocks(hba, on);
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return 0;
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}
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static inline int ufshcd_vops_setup_regulators(struct ufs_hba *hba, bool status)
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{
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if (hba->vops && hba->vops->setup_regulators)
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return hba->vops->setup_regulators(hba, status);
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return 0;
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}
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static inline int ufshcd_vops_hce_enable_notify(struct ufs_hba *hba,
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bool status)
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{
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if (hba->vops && hba->vops->hce_enable_notify)
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return hba->vops->hce_enable_notify(hba, status);
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return 0;
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}
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static inline int ufshcd_vops_link_startup_notify(struct ufs_hba *hba,
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bool status)
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{
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if (hba->vops && hba->vops->link_startup_notify)
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return hba->vops->link_startup_notify(hba, status);
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return 0;
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}
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static inline int ufshcd_vops_pwr_change_notify(struct ufs_hba *hba,
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bool status,
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struct ufs_pa_layer_attr *dev_max_params,
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struct ufs_pa_layer_attr *dev_req_params)
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{
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if (hba->vops && hba->vops->pwr_change_notify)
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return hba->vops->pwr_change_notify(hba, status,
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dev_max_params, dev_req_params);
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return -ENOTSUPP;
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}
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static inline int ufshcd_vops_suspend(struct ufs_hba *hba, enum ufs_pm_op op)
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{
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if (hba->vops && hba->vops->suspend)
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return hba->vops->suspend(hba, op);
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return 0;
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}
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static inline int ufshcd_vops_resume(struct ufs_hba *hba, enum ufs_pm_op op)
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{
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if (hba->vops && hba->vops->resume)
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return hba->vops->resume(hba, op);
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return 0;
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}
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#endif /* End of Header */
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