[5/7] phy: qcom-ufs: Cleanup clock and regulator initialization

Message ID	1476766145-27583-6-git-send-email-vivek.gautam@codeaurora.org (mailing list archive)
State	Superseded, archived
Headers	show Return-Path: <linux-scsi-owner@kernel.org> sender: vivek.gautam@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id CA27C617FD; Tue, 18 Oct 2016 04:49:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.1 smtp.codeaurora.org CA27C617FD From: Vivek Gautam <vivek.gautam@codeaurora.org> To: kishon@ti.com, jejb@linux.vnet.ibm.com, vinholikatti@gmail.com, martin.petersen@oracle.com, linux-kernel@vger.kernel.org Cc: subhashj@codeaurora.org, linux-scsi@vger.kernel.org, linux-arm-msm@vger.kernel.org, Vivek Gautam <vivek.gautam@codeaurora.org> Subject: [PATCH 5/7] phy: qcom-ufs: Cleanup clock and regulator initialization Date: Tue, 18 Oct 2016 10:19:03 +0530 Message-Id: <1476766145-27583-6-git-send-email-vivek.gautam@codeaurora.org> In-Reply-To: <1476766145-27583-1-git-send-email-vivek.gautam@codeaurora.org> References: <1476766145-27583-1-git-send-email-vivek.gautam@codeaurora.org> Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk

diff --git a/drivers/phy/phy-qcom-ufs-i.h b/drivers/phy/phy-qcom-ufs-i.h index 2bd5ce4..69e836d 100644 --- a/drivers/phy/phy-qcom-ufs-i.h +++ b/drivers/phy/phy-qcom-ufs-i.h @@ -142,10 +142,8 @@ struct ufs_qcom_phy *get_ufs_qcom_phy(struct phy *generic_phy); int ufs_qcom_phy_power_on(struct phy *generic_phy); int ufs_qcom_phy_power_off(struct phy *generic_phy); int ufs_qcom_phy_exit(struct phy *generic_phy); -int ufs_qcom_phy_init_clks(struct phy *generic_phy, - struct ufs_qcom_phy *phy_common); -int ufs_qcom_phy_init_vregulators(struct phy *generic_phy, - struct ufs_qcom_phy *phy_common); +int ufs_qcom_phy_init_clks(struct ufs_qcom_phy *phy_common); +int ufs_qcom_phy_init_vregulators(struct ufs_qcom_phy *phy_common); int ufs_qcom_phy_remove(struct phy *generic_phy, struct ufs_qcom_phy *ufs_qcom_phy); struct phy *ufs_qcom_phy_generic_probe(struct platform_device *pdev, diff --git a/drivers/phy/phy-qcom-ufs-qmp-14nm.c b/drivers/phy/phy-qcom-ufs-qmp-14nm.c index a305016..55fecbb 100644 --- a/drivers/phy/phy-qcom-ufs-qmp-14nm.c +++ b/drivers/phy/phy-qcom-ufs-qmp-14nm.c @@ -48,14 +48,14 @@ static int ufs_qcom_phy_qmp_14nm_init(struct phy *generic_phy) struct ufs_qcom_phy *phy_common = &phy->common_cfg; int err; - err = ufs_qcom_phy_init_clks(generic_phy, phy_common); + err = ufs_qcom_phy_init_clks(phy_common); if (err) { dev_err(phy_common->dev, "%s: ufs_qcom_phy_init_clks() failed %d\n", __func__, err); goto out; } - err = ufs_qcom_phy_init_vregulators(generic_phy, phy_common); + err = ufs_qcom_phy_init_vregulators(phy_common); if (err) { dev_err(phy_common->dev, "%s: ufs_qcom_phy_init_vregulators() failed %d\n", __func__, err); diff --git a/drivers/phy/phy-qcom-ufs-qmp-20nm.c b/drivers/phy/phy-qcom-ufs-qmp-20nm.c index 2db1fbb..9a2f53d 100644 --- a/drivers/phy/phy-qcom-ufs-qmp-20nm.c +++ b/drivers/phy/phy-qcom-ufs-qmp-20nm.c @@ -67,14 +67,14 @@ static int ufs_qcom_phy_qmp_20nm_init(struct phy *generic_phy) struct ufs_qcom_phy *phy_common = &phy->common_cfg; int err = 0; - err = ufs_qcom_phy_init_clks(generic_phy, phy_common); + err = ufs_qcom_phy_init_clks(phy_common); if (err) { dev_err(phy_common->dev, "%s: ufs_qcom_phy_init_clks() failed %d\n", __func__, err); goto out; } - err = ufs_qcom_phy_init_vregulators(generic_phy, phy_common); + err = ufs_qcom_phy_init_vregulators(phy_common); if (err) { dev_err(phy_common->dev, "%s: ufs_qcom_phy_init_vregulators() failed %d\n", __func__, err); diff --git a/drivers/phy/phy-qcom-ufs.c b/drivers/phy/phy-qcom-ufs.c index b8f9286..3a87e88 100644 --- a/drivers/phy/phy-qcom-ufs.c +++ b/drivers/phy/phy-qcom-ufs.c @@ -22,9 +22,9 @@ #define VDDP_REF_CLK_MIN_UV 1200000 #define VDDP_REF_CLK_MAX_UV 1200000 -static int __ufs_qcom_phy_init_vreg(struct phy *, struct ufs_qcom_phy_vreg *, +static int __ufs_qcom_phy_init_vreg(struct device *, struct ufs_qcom_phy_vreg *, const char *, bool); -static int ufs_qcom_phy_init_vreg(struct phy *, struct ufs_qcom_phy_vreg *, +static int ufs_qcom_phy_init_vreg(struct device *, struct ufs_qcom_phy_vreg *, const char *); static int ufs_qcom_phy_base_init(struct platform_device *pdev, struct ufs_qcom_phy *phy_common); @@ -154,13 +154,11 @@ int ufs_qcom_phy_base_init(struct platform_device *pdev, return 0; } -static int __ufs_qcom_phy_clk_get(struct phy *phy, +static int __ufs_qcom_phy_clk_get(struct device *dev, const char *name, struct clk **clk_out, bool err_print) { struct clk *clk; int err = 0; - struct ufs_qcom_phy *ufs_qcom_phy = get_ufs_qcom_phy(phy); - struct device *dev = ufs_qcom_phy->dev; clk = devm_clk_get(dev, name); if (IS_ERR(clk)) { @@ -175,40 +173,38 @@ static int __ufs_qcom_phy_clk_get(struct phy *phy, } static -int ufs_qcom_phy_clk_get(struct phy *phy, +int ufs_qcom_phy_clk_get(struct device *dev, const char *name, struct clk **clk_out) { - return __ufs_qcom_phy_clk_get(phy, name, clk_out, true); + return __ufs_qcom_phy_clk_get(dev, name, clk_out, true); } int -ufs_qcom_phy_init_clks(struct phy *generic_phy, - struct ufs_qcom_phy *phy_common) +ufs_qcom_phy_init_clks(struct ufs_qcom_phy *phy_common) { int err; - struct ufs_qcom_phy *phy = get_ufs_qcom_phy(generic_phy); - err = ufs_qcom_phy_clk_get(generic_phy, "tx_iface_clk", + err = ufs_qcom_phy_clk_get(phy_common->dev, "tx_iface_clk", &phy_common->tx_iface_clk); /* * tx_iface_clk does not exist in newer version of ufs-phy HW, * so don't return error if it is not found */ if (err) - dev_dbg(phy->dev, "%s: failed to get tx_iface_clk\n", + dev_dbg(phy_common->dev, "%s: failed to get tx_iface_clk\n", __func__); - err = ufs_qcom_phy_clk_get(generic_phy, "rx_iface_clk", + err = ufs_qcom_phy_clk_get(phy_common->dev, "rx_iface_clk", &phy_common->rx_iface_clk); /* * rx_iface_clk does not exist in newer version of ufs-phy HW, * so don't return error if it is not found */ if (err) - dev_dbg(phy->dev, "%s: failed to get rx_iface_clk\n", + dev_dbg(phy_common->dev, "%s: failed to get rx_iface_clk\n", __func__); - err = ufs_qcom_phy_clk_get(generic_phy, "ref_clk_src", + err = ufs_qcom_phy_clk_get(phy_common->dev, "ref_clk_src", &phy_common->ref_clk_src); if (err) goto out; @@ -217,10 +213,10 @@ ufs_qcom_phy_init_clks(struct phy *generic_phy, * "ref_clk_parent" is optional hence don't abort init if it's not * found. */ - __ufs_qcom_phy_clk_get(generic_phy, "ref_clk_parent", + __ufs_qcom_phy_clk_get(phy_common->dev, "ref_clk_parent", &phy_common->ref_clk_parent, false); - err = ufs_qcom_phy_clk_get(generic_phy, "ref_clk", + err = ufs_qcom_phy_clk_get(phy_common->dev, "ref_clk", &phy_common->ref_clk); out: @@ -229,36 +225,33 @@ out: EXPORT_SYMBOL_GPL(ufs_qcom_phy_init_clks); int -ufs_qcom_phy_init_vregulators(struct phy *generic_phy, - struct ufs_qcom_phy *phy_common) +ufs_qcom_phy_init_vregulators(struct ufs_qcom_phy *phy_common) { int err; - err = ufs_qcom_phy_init_vreg(generic_phy, &phy_common->vdda_pll, + err = ufs_qcom_phy_init_vreg(phy_common->dev, &phy_common->vdda_pll, "vdda-pll"); if (err) goto out; - err = ufs_qcom_phy_init_vreg(generic_phy, &phy_common->vdda_phy, + err = ufs_qcom_phy_init_vreg(phy_common->dev, &phy_common->vdda_phy, "vdda-phy"); if (err) goto out; /* vddp-ref-clk-* properties are optional */ - __ufs_qcom_phy_init_vreg(generic_phy, &phy_common->vddp_ref_clk, + __ufs_qcom_phy_init_vreg(phy_common->dev, &phy_common->vddp_ref_clk, "vddp-ref-clk", true); out: return err; } EXPORT_SYMBOL_GPL(ufs_qcom_phy_init_vregulators); -static int __ufs_qcom_phy_init_vreg(struct phy *phy, +static int __ufs_qcom_phy_init_vreg(struct device *dev, struct ufs_qcom_phy_vreg *vreg, const char *name, bool optional) { int err = 0; - struct ufs_qcom_phy *ufs_qcom_phy = get_ufs_qcom_phy(phy); - struct device *dev = ufs_qcom_phy->dev; char prop_name[MAX_PROP_NAME]; @@ -317,14 +310,14 @@ out: return err; } -static int ufs_qcom_phy_init_vreg(struct phy *phy, +static int ufs_qcom_phy_init_vreg(struct device *dev, struct ufs_qcom_phy_vreg *vreg, const char *name) { - return __ufs_qcom_phy_init_vreg(phy, vreg, name, false); + return __ufs_qcom_phy_init_vreg(dev, vreg, name, false); } static -int ufs_qcom_phy_cfg_vreg(struct phy *phy, +int ufs_qcom_phy_cfg_vreg(struct device *dev, struct ufs_qcom_phy_vreg *vreg, bool on) { int ret = 0; @@ -332,8 +325,6 @@ int ufs_qcom_phy_cfg_vreg(struct phy *phy, const char *name = vreg->name; int min_uV; int uA_load; - struct ufs_qcom_phy *ufs_qcom_phy = get_ufs_qcom_phy(phy); - struct device *dev = ufs_qcom_phy->dev; if (regulator_count_voltages(reg) > 0) { min_uV = on ? vreg->min_uV : 0; @@ -362,17 +353,15 @@ out: } static -int ufs_qcom_phy_enable_vreg(struct phy *phy, +int ufs_qcom_phy_enable_vreg(struct device *dev, struct ufs_qcom_phy_vreg *vreg) { - struct ufs_qcom_phy *ufs_qcom_phy = get_ufs_qcom_phy(phy); - struct device *dev = ufs_qcom_phy->dev; int ret = 0; if (!vreg || vreg->enabled) goto out; - ret = ufs_qcom_phy_cfg_vreg(phy, vreg, true); + ret = ufs_qcom_phy_cfg_vreg(dev, vreg, true); if (ret) { dev_err(dev, "%s: ufs_qcom_phy_cfg_vreg() failed, err=%d\n", __func__, ret); @@ -444,11 +433,9 @@ out: EXPORT_SYMBOL_GPL(ufs_qcom_phy_enable_ref_clk); static -int ufs_qcom_phy_disable_vreg(struct phy *phy, +int ufs_qcom_phy_disable_vreg(struct device *dev, struct ufs_qcom_phy_vreg *vreg) { - struct ufs_qcom_phy *ufs_qcom_phy = get_ufs_qcom_phy(phy); - struct device *dev = ufs_qcom_phy->dev; int ret = 0; if (!vreg || !vreg->enabled || vreg->is_always_on) @@ -458,7 +445,7 @@ int ufs_qcom_phy_disable_vreg(struct phy *phy, if (!ret) { /* ignore errors on applying disable config */ - ufs_qcom_phy_cfg_vreg(phy, vreg, false); + ufs_qcom_phy_cfg_vreg(dev, vreg, false); vreg->enabled = false; } else { dev_err(dev, "%s: %s disable failed, err=%d\n", @@ -677,7 +664,7 @@ int ufs_qcom_phy_power_on(struct phy *generic_phy) struct device *dev = phy_common->dev; int err; - err = ufs_qcom_phy_enable_vreg(generic_phy, &phy_common->vdda_phy); + err = ufs_qcom_phy_enable_vreg(dev, &phy_common->vdda_phy); if (err) { dev_err(dev, "%s enable vdda_phy failed, err=%d\n", __func__, err); @@ -687,7 +674,7 @@ int ufs_qcom_phy_power_on(struct phy *generic_phy) phy_common->phy_spec_ops->power_control(phy_common, true); /* vdda_pll also enables ref clock LDOs so enable it first */ - err = ufs_qcom_phy_enable_vreg(generic_phy, &phy_common->vdda_pll); + err = ufs_qcom_phy_enable_vreg(dev, &phy_common->vdda_pll); if (err) { dev_err(dev, "%s enable vdda_pll failed, err=%d\n", __func__, err); @@ -703,7 +690,7 @@ int ufs_qcom_phy_power_on(struct phy *generic_phy) /* enable device PHY ref_clk pad rail */ if (phy_common->vddp_ref_clk.reg) { - err = ufs_qcom_phy_enable_vreg(generic_phy, + err = ufs_qcom_phy_enable_vreg(dev, &phy_common->vddp_ref_clk); if (err) { dev_err(dev, "%s enable vddp_ref_clk failed, err=%d\n", @@ -718,9 +705,9 @@ int ufs_qcom_phy_power_on(struct phy *generic_phy) out_disable_ref_clk: ufs_qcom_phy_disable_ref_clk(generic_phy); out_disable_pll: - ufs_qcom_phy_disable_vreg(generic_phy, &phy_common->vdda_pll); + ufs_qcom_phy_disable_vreg(dev, &phy_common->vdda_pll); out_disable_phy: - ufs_qcom_phy_disable_vreg(generic_phy, &phy_common->vdda_phy); + ufs_qcom_phy_disable_vreg(dev, &phy_common->vdda_phy); out: return err; } @@ -733,12 +720,12 @@ int ufs_qcom_phy_power_off(struct phy *generic_phy) phy_common->phy_spec_ops->power_control(phy_common, false); if (phy_common->vddp_ref_clk.reg) - ufs_qcom_phy_disable_vreg(generic_phy, + ufs_qcom_phy_disable_vreg(phy_common->dev, &phy_common->vddp_ref_clk); ufs_qcom_phy_disable_ref_clk(generic_phy); - ufs_qcom_phy_disable_vreg(generic_phy, &phy_common->vdda_pll); - ufs_qcom_phy_disable_vreg(generic_phy, &phy_common->vdda_phy); + ufs_qcom_phy_disable_vreg(phy_common->dev, &phy_common->vdda_pll); + ufs_qcom_phy_disable_vreg(phy_common->dev, &phy_common->vdda_phy); phy_common->is_powered_on = false; return 0;

[5/7] phy: qcom-ufs: Cleanup clock and regulator initialization

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Patch