From patchwork Sat May 2 09:35:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Wunderlich X-Patchwork-Id: 244825 List-Id: U-Boot discussion From: frank.wunderlich at gmail.com (Frank Wunderlich) Date: Sat, 2 May 2020 11:35:13 +0200 Subject: [PATCH v8 05/14] usb: dwc3: use the phy bulk API to get phys In-Reply-To: <20200502093522.3568-1-frank-w@public-files.de> References: <20200502093522.3568-1-frank-w@public-files.de> Message-ID: <20200502093522.3568-6-frank-w@public-files.de> From: Chunfeng Yun Get a group of phys by the phy bulk API Signed-off-by: Chunfeng Yun Signed-off-by: Frank Wunderlich Reviewed-by: Weijie Gao --- v8: fix build-error for xilinx-board 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 ++- drivers/usb/host/xhci-dwc3.c | 7 ++- include/dwc3-uboot.h | 11 ++--- 4 files changed, 27 insertions(+), 85 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/drivers/usb/host/xhci-dwc3.c b/drivers/usb/host/xhci-dwc3.c index 9fcfa39d4b..563db1a426 100644 --- a/drivers/usb/host/xhci-dwc3.c +++ b/drivers/usb/host/xhci-dwc3.c @@ -19,8 +19,7 @@ #include struct xhci_dwc3_platdata { - struct phy *usb_phys; - int num_phys; + struct phy_bulk *usb_phys; }; void dwc3_set_mode(struct dwc3 *dwc3_reg, u32 mode) @@ -125,7 +124,7 @@ static int xhci_dwc3_probe(struct udevice *dev) hcor = (struct xhci_hcor *)((uintptr_t)hccr + HC_LENGTH(xhci_readl(&(hccr)->cr_capbase))); - ret = dwc3_setup_phy(dev, &plat->usb_phys, &plat->num_phys); + ret = dwc3_setup_phy(dev, plat->usb_phys); if (ret && (ret != -ENOTSUPP)) return ret; @@ -168,7 +167,7 @@ static int xhci_dwc3_remove(struct udevice *dev) { struct xhci_dwc3_platdata *plat = dev_get_platdata(dev); - dwc3_shutdown_phy(dev, plat->usb_phys, plat->num_phys); + dwc3_shutdown_phy(dev, plat->usb_phys); return xhci_deregister(dev); } 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 #include #include @@ -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; }