[PATCH v7 05/14] usb: dwc3: use the phy bulk API to get phys

[Chunfeng Yun]

Get a group of phys by the phy bulk API

Signed-off-by: Chunfeng Yun <chunfeng.yun at mediatek.com>
Reviewed-by: Weijie Gao <weijie.gao at mediatek.com>
---
v7: use new API of phy bulk

v6: add Reviewed-by Weijie

v5: no changes

v4: new patch
---
 drivers/usb/dwc3/core.c         | 87 ++++++---------------------------
 drivers/usb/dwc3/dwc3-generic.c |  7 ++-
 include/dwc3-uboot.h            | 11 ++---
 3 files changed, 24 insertions(+), 81 deletions(-)

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 4ec3f6df6a..a8982bdc09 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -838,87 +838,32 @@ MODULE_LICENSE("GPL v2");
 MODULE_DESCRIPTION("DesignWare USB3 DRD Controller Driver");
 
 #if CONFIG_IS_ENABLED(PHY) && CONFIG_IS_ENABLED(DM_USB)
-int dwc3_setup_phy(struct udevice *dev, struct phy **array, int *num_phys)
+int dwc3_setup_phy(struct udevice *dev, struct phy_bulk *phys)
 {
-	int i, ret, count;
-	struct phy *usb_phys;
-
-	/* Return if no phy declared */
-	if (!dev_read_prop(dev, "phys", NULL))
-		return 0;
-	count = dev_count_phandle_with_args(dev, "phys", "#phy-cells");
-	if (count <= 0)
-		return count;
-
-	usb_phys = devm_kcalloc(dev, count, sizeof(struct phy),
-				GFP_KERNEL);
-	if (!usb_phys)
-		return -ENOMEM;
-
-	for (i = 0; i < count; i++) {
-		ret = generic_phy_get_by_index(dev, i, &usb_phys[i]);
-		if (ret && ret != -ENOENT) {
-			pr_err("Failed to get USB PHY%d for %s\n",
-			       i, dev->name);
-			return ret;
-		}
-	}
-
-	for (i = 0; i < count; i++) {
-		ret = generic_phy_init(&usb_phys[i]);
-		if (ret) {
-			pr_err("Can't init USB PHY%d for %s\n",
-			       i, dev->name);
-			goto phys_init_err;
-		}
-	}
-
-	for (i = 0; i < count; i++) {
-		ret = generic_phy_power_on(&usb_phys[i]);
-		if (ret) {
-			pr_err("Can't power USB PHY%d for %s\n",
-			       i, dev->name);
-			goto phys_poweron_err;
-		}
-	}
-
-	*array = usb_phys;
-	*num_phys =  count;
-	return 0;
-
-phys_poweron_err:
-	for (i = count - 1; i >= 0; i--)
-		generic_phy_power_off(&usb_phys[i]);
+	int ret;
 
-	for (i = 0; i < count; i++)
-		generic_phy_exit(&usb_phys[i]);
+	ret = generic_phy_get_bulk(dev, phys);
+	if (ret)
+		return ret;
 
-	return ret;
+	ret = generic_phy_init_bulk(phys);
+	if (ret)
+		return ret;
 
-phys_init_err:
-	for (; i >= 0; i--)
-		generic_phy_exit(&usb_phys[i]);
+	ret = generic_phy_power_on_bulk(phys);
+	if (ret)
+		generic_phy_exit_bulk(phys);
 
 	return ret;
 }
 
-int dwc3_shutdown_phy(struct udevice *dev, struct phy *usb_phys, int num_phys)
+int dwc3_shutdown_phy(struct udevice *dev, struct phy_bulk *phys)
 {
-	int i, ret;
-
-	for (i = 0; i < num_phys; i++) {
-		if (!generic_phy_valid(&usb_phys[i]))
-			continue;
-
-		ret = generic_phy_power_off(&usb_phys[i]);
-		ret |= generic_phy_exit(&usb_phys[i]);
-		if (ret) {
-			pr_err("Can't shutdown USB PHY%d for %s\n",
-			       i, dev->name);
-		}
-	}
+	int ret;
 
-	return 0;
+	ret = generic_phy_power_off_bulk(phys);
+	ret |= generic_phy_exit_bulk(phys);
+	return ret;
 }
 #endif
 
diff --git a/drivers/usb/dwc3/dwc3-generic.c b/drivers/usb/dwc3/dwc3-generic.c
index febcfc0f54..eabd53a36d 100644
--- a/drivers/usb/dwc3/dwc3-generic.c
+++ b/drivers/usb/dwc3/dwc3-generic.c
@@ -33,8 +33,7 @@ struct dwc3_generic_plat {
 struct dwc3_generic_priv {
 	void *base;
 	struct dwc3 dwc3;
-	struct phy *phys;
-	int num_phys;
+	struct phy_bulk phys;
 };
 
 struct dwc3_generic_host_priv {
@@ -56,7 +55,7 @@ static int dwc3_generic_probe(struct udevice *dev,
 	dwc3_of_parse(dwc3);
 #endif
 
-	rc = dwc3_setup_phy(dev, &priv->phys, &priv->num_phys);
+	rc = dwc3_setup_phy(dev, &priv->phys);
 	if (rc)
 		return rc;
 
@@ -79,7 +78,7 @@ static int dwc3_generic_remove(struct udevice *dev,
 	struct dwc3 *dwc3 = &priv->dwc3;
 
 	dwc3_remove(dwc3);
-	dwc3_shutdown_phy(dev, priv->phys, priv->num_phys);
+	dwc3_shutdown_phy(dev, &priv->phys);
 	unmap_physmem(dwc3->regs, MAP_NOCACHE);
 
 	return 0;
diff --git a/include/dwc3-uboot.h b/include/dwc3-uboot.h
index 3c9e204cf0..ce835fd1b2 100644
--- a/include/dwc3-uboot.h
+++ b/include/dwc3-uboot.h
@@ -9,6 +9,7 @@
 #ifndef __DWC3_UBOOT_H_
 #define __DWC3_UBOOT_H_
 
+#include <generic-phy.h>
 #include <linux/usb/otg.h>
 #include <linux/usb/phy.h>
 
@@ -43,17 +44,15 @@ void dwc3_uboot_handle_interrupt(int index);
 
 struct phy;
 #if CONFIG_IS_ENABLED(PHY) && CONFIG_IS_ENABLED(DM_USB)
-int dwc3_setup_phy(struct udevice *dev, struct phy **array, int *num_phys);
-int dwc3_shutdown_phy(struct udevice *dev, struct phy *usb_phys, int num_phys);
+int dwc3_setup_phy(struct udevice *dev, struct phy_bulk *phys);
+int dwc3_shutdown_phy(struct udevice *dev, struct phy_bulk *phys);
 #else
-static inline int dwc3_setup_phy(struct udevice *dev, struct phy **array,
-				 int *num_phys)
+static inline int dwc3_setup_phy(struct udevice *dev, struct phy_bulk *phys)
 {
 	return -ENOTSUPP;
 }
 
-static inline int dwc3_shutdown_phy(struct udevice *dev, struct phy *usb_phys,
-				    int num_phys)
+static inline int dwc3_shutdown_phy(struct udevice *dev, struct phy_bulk *phys)
 {
 	return -ENOTSUPP;
 }
-- 
2.25.1