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Date: Sun, 06 Sep 2020 19:15:21 +0200
From: Paul Cercueil <paul@...pouillou.net>
To: Zhou Yanjie <zhouyanjie@...yeetech.com>
Cc: kishon@...com, vkoul@...nel.org, balbi@...nel.org,
gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
linux-kernel@...r.kernel.org, christophe.jaillet@...adoo.fr,
aric.pzqi@...enic.com, dongsheng.qiu@...enic.com,
rick.tyliu@...enic.com, yanfei.li@...enic.com,
sernia.zhou@...mail.com, zhenwenjin@...il.com
Subject: Re: [PATCH v2 1/1] USB: PHY: JZ4770: Use the generic PHY framework.
Le lun. 7 sept. 2020 à 1:06, Zhou Yanjie <zhouyanjie@...yeetech.com> a
écrit :
> Hi Paul,
>
> 在 2020/9/4 下午10:10, Paul Cercueil 写道:
>> Hi Zhou,
>>
>> Le lun. 31 août 2020 à 21:50, 周琰杰 (Zhou Yanjie)
>> <zhouyanjie@...yeetech.com> a écrit :
>>> Used the generic PHY framework API to create the PHY,
>>> and move the driver to driver/phy/ingenic.
>>>
>>> Tested-by: 周正 (Zhou Zheng) <sernia.zhou@...mail.com>
>>> Co-developed-by: 漆鹏振 (Qi Pengzhen) <aric.pzqi@...enic.com>
>>> Signed-off-by: 漆鹏振 (Qi Pengzhen) <aric.pzqi@...enic.com>
>>> Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@...yeetech.com>
>>> ---
>>>
>>> Notes:
>>> v1->v2:
>>> Fix bug, ".of_match_table =
>>> of_match_ptr(ingenic_usb_phy_of_matches)" is wrong
>>> and should be replaced with ".of_match_table =
>>> ingenic_usb_phy_of_matches".
>>>
>>> drivers/phy/Kconfig | 1 +
>>> drivers/phy/Makefile | 1 +
>>> drivers/phy/ingenic/Kconfig | 12 +
>>> drivers/phy/ingenic/Makefile | 2 +
>>> .../phy-jz4770.c => phy/ingenic/phy-ingenic-usb.c} | 256
>>> ++++++++++++---------
>>> drivers/usb/phy/Kconfig | 8 -
>>> drivers/usb/phy/Makefile | 1 -
>>> 7 files changed, 165 insertions(+), 116 deletions(-)
>>> create mode 100644 drivers/phy/ingenic/Kconfig
>>> create mode 100644 drivers/phy/ingenic/Makefile
>>> rename drivers/{usb/phy/phy-jz4770.c =>
>>> phy/ingenic/phy-ingenic-usb.c} (63%)
>>>
>>> diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
>>> index de9362c25c07..0534b0fdd057 100644
>>> --- a/drivers/phy/Kconfig
>>> +++ b/drivers/phy/Kconfig
>>> @@ -55,6 +55,7 @@ source "drivers/phy/broadcom/Kconfig"
>>> source "drivers/phy/cadence/Kconfig"
>>> source "drivers/phy/freescale/Kconfig"
>>> source "drivers/phy/hisilicon/Kconfig"
>>> +source "drivers/phy/ingenic/Kconfig"
>>> source "drivers/phy/lantiq/Kconfig"
>>> source "drivers/phy/marvell/Kconfig"
>>> source "drivers/phy/mediatek/Kconfig"
>>> diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile
>>> index c27408e4daae..ab24f0d20763 100644
>>> --- a/drivers/phy/Makefile
>>> +++ b/drivers/phy/Makefile
>>> @@ -14,6 +14,7 @@ obj-y += allwinner/ \
>>> cadence/ \
>>> freescale/ \
>>> hisilicon/ \
>>> + ingenic/ \
>>> intel/ \
>>> lantiq/ \
>>> marvell/ \
>>> diff --git a/drivers/phy/ingenic/Kconfig
>>> b/drivers/phy/ingenic/Kconfig
>>> new file mode 100644
>>> index 000000000000..b9581eae89dd
>>> --- /dev/null
>>> +++ b/drivers/phy/ingenic/Kconfig
>>> @@ -0,0 +1,12 @@
>>> +# SPDX-License-Identifier: GPL-2.0
>>> +#
>>> +# Phy drivers for Ingenic platforms
>>> +#
>>> +config PHY_INGENIC_USB
>>> + tristate "Ingenic SoCs USB PHY Driver"
>>> + depends on (MACH_INGENIC && MIPS) || COMPILE_TEST
>>
>> The original driver depends on MIPS || COMPILE_TEST, so you should
>> do the same, otherwise you change more than what the patch
>> description suggests.
>>
>
> Sure, I will change it in the next version.
>
>>> + depends on USB_SUPPORT
>>> + select GENERIC_PHY
>>> + help
>>> + This driver provides USB PHY support for the USB controller
>>> found
>>> + on the JZ-series and X-series SoCs from Ingenic.
>>> diff --git a/drivers/phy/ingenic/Makefile
>>> b/drivers/phy/ingenic/Makefile
>>> new file mode 100644
>>> index 000000000000..65d5ea00fc9d
>>> --- /dev/null
>>> +++ b/drivers/phy/ingenic/Makefile
>>> @@ -0,0 +1,2 @@
>>> +# SPDX-License-Identifier: GPL-2.0
>>> +obj-y += phy-ingenic-usb.o
>>> diff --git a/drivers/usb/phy/phy-jz4770.c
>>> b/drivers/phy/ingenic/phy-ingenic-usb.c
>>> similarity index 63%
>>> rename from drivers/usb/phy/phy-jz4770.c
>>> rename to drivers/phy/ingenic/phy-ingenic-usb.c
>>> index f6d3731581eb..86a95b498785 100644
>>> --- a/drivers/usb/phy/phy-jz4770.c
>>> +++ b/drivers/phy/ingenic/phy-ingenic-usb.c
>>> @@ -7,12 +7,12 @@
>>> */
>>>
>>> #include <linux/clk.h>
>>> +#include <linux/delay.h>
>>> #include <linux/io.h>
>>> #include <linux/module.h>
>>> #include <linux/platform_device.h>
>>> #include <linux/regulator/consumer.h>
>>> -#include <linux/usb/otg.h>
>>> -#include <linux/usb/phy.h>
>>> +#include <linux/phy/phy.h>
>>>
>>> /* OTGPHY register offsets */
>>> #define REG_USBPCR_OFFSET 0x00
>>> @@ -97,68 +97,49 @@ enum ingenic_usb_phy_version {
>>> struct ingenic_soc_info {
>>> enum ingenic_usb_phy_version version;
>>>
>>> - void (*usb_phy_init)(struct usb_phy *phy);
>>> + void (*usb_phy_init)(struct phy *phy);
>>> };
>>>
>>> -struct jz4770_phy {
>>> +struct ingenic_usb_phy {
>>> const struct ingenic_soc_info *soc_info;
>>>
>>> - struct usb_phy phy;
>>> - struct usb_otg otg;
>>> + struct phy *phy;
>>> struct device *dev;
>>> void __iomem *base;
>>> struct clk *clk;
>>> struct regulator *vcc_supply;
>>> };
>>>
>>> -static inline struct jz4770_phy *otg_to_jz4770_phy(struct usb_otg
>>> *otg)
>>> +static int ingenic_usb_phy_init(struct phy *phy)
>>> {
>>> - return container_of(otg, struct jz4770_phy, otg);
>>> -}
>>> -
>>> -static inline struct jz4770_phy *phy_to_jz4770_phy(struct usb_phy
>>> *phy)
>>> -{
>>> - return container_of(phy, struct jz4770_phy, phy);
>>> -}
>>> -
>>> -static int ingenic_usb_phy_set_peripheral(struct usb_otg *otg,
>>> - struct usb_gadget *gadget)
>>> -{
>>> - struct jz4770_phy *priv = otg_to_jz4770_phy(otg);
>>> - u32 reg;
>>> + struct ingenic_usb_phy *priv = phy_get_drvdata(phy);
>>> + int err;
>>>
>>> - if (priv->soc_info->version >= ID_X1000) {
>>> - reg = readl(priv->base + REG_USBPCR1_OFFSET);
>>> - reg |= USBPCR1_BVLD_REG;
>>> - writel(reg, priv->base + REG_USBPCR1_OFFSET);
>>> + err = clk_prepare_enable(priv->clk);
>>> + if (err) {
>>> + dev_err(priv->dev, "Unable to start clock: %d\n", err);
>>> + return err;
>>> }
>>>
>>> - reg = readl(priv->base + REG_USBPCR_OFFSET);
>>> - reg &= ~USBPCR_USB_MODE;
>>> - reg |= USBPCR_VBUSVLDEXT | USBPCR_VBUSVLDEXTSEL |
>>> USBPCR_OTG_DISABLE;
>>> - writel(reg, priv->base + REG_USBPCR_OFFSET);
>>> + priv->soc_info->usb_phy_init(phy);
>>>
>>> return 0;
>>> }
>>>
>>> -static int ingenic_usb_phy_set_host(struct usb_otg *otg, struct
>>> usb_bus *host)
>>> +static int ingenic_usb_phy_exit(struct phy *phy)
>>> {
>>> - struct jz4770_phy *priv = otg_to_jz4770_phy(otg);
>>> - u32 reg;
>>> + struct ingenic_usb_phy *priv = phy_get_drvdata(phy);
>>>
>>> - reg = readl(priv->base + REG_USBPCR_OFFSET);
>>> - reg &= ~(USBPCR_VBUSVLDEXT | USBPCR_VBUSVLDEXTSEL |
>>> USBPCR_OTG_DISABLE);
>>> - reg |= USBPCR_USB_MODE;
>>> - writel(reg, priv->base + REG_USBPCR_OFFSET);
>>> + clk_disable_unprepare(priv->clk);
>>> + regulator_disable(priv->vcc_supply);
>>>
>>> return 0;
>>> }
>>>
>>> -static int ingenic_usb_phy_init(struct usb_phy *phy)
>>> +static int ingenic_usb_phy_power_on(struct phy *phy)
>>> {
>>> - struct jz4770_phy *priv = phy_to_jz4770_phy(phy);
>>> + struct ingenic_usb_phy *priv = phy_get_drvdata(phy);
>>> int err;
>>> - u32 reg;
>>>
>>> err = regulator_enable(priv->vcc_supply);
>>> if (err) {
>>> @@ -166,39 +147,71 @@ static int ingenic_usb_phy_init(struct
>>> usb_phy *phy)
>>> return err;
>>> }
>>>
>>> - err = clk_prepare_enable(priv->clk);
>>> - if (err) {
>>> - dev_err(priv->dev, "Unable to start clock: %d\n", err);
>>> - return err;
>>> - }
>>> -
>>> - priv->soc_info->usb_phy_init(phy);
>>> -
>>> - /* Wait for PHY to reset */
>>> - usleep_range(30, 300);
>>> - reg = readl(priv->base + REG_USBPCR_OFFSET);
>>> - writel(reg & ~USBPCR_POR, priv->base + REG_USBPCR_OFFSET);
>>> - usleep_range(300, 1000);
>>> -
>>> return 0;
>>> }
>>>
>>> -static void ingenic_usb_phy_shutdown(struct usb_phy *phy)
>>> +static int ingenic_usb_phy_power_off(struct phy *phy)
>>> {
>>> - struct jz4770_phy *priv = phy_to_jz4770_phy(phy);
>>> + struct ingenic_usb_phy *priv = phy_get_drvdata(phy);
>>>
>>> - clk_disable_unprepare(priv->clk);
>>> regulator_disable(priv->vcc_supply);
>>> +
>>> + return 0;
>>> }
>>>
>>> -static void ingenic_usb_phy_remove(void *phy)
>>> +static int ingenic_usb_phy_set_mode(struct phy *phy,
>>> + enum phy_mode mode, int submode)
>>> {
>>> - usb_remove_phy(phy);
>>> + struct ingenic_usb_phy *priv = phy_get_drvdata(phy);
>>> + u32 reg;
>>> +
>>> + switch (mode) {
>>> + case PHY_MODE_USB_HOST:
>>> + reg = readl(priv->base + REG_USBPCR_OFFSET);
>>> + reg &= ~(USBPCR_VBUSVLDEXT | USBPCR_VBUSVLDEXTSEL |
>>> USBPCR_OTG_DISABLE);
>>> + reg |= USBPCR_USB_MODE;
>>> + writel(reg, priv->base + REG_USBPCR_OFFSET);
>>> +
>>> + break;
>>> + case PHY_MODE_USB_DEVICE:
>>> + if (priv->soc_info->version >= ID_X1000) {
>>> + reg = readl(priv->base + REG_USBPCR1_OFFSET);
>>> + reg |= USBPCR1_BVLD_REG;
>>> + writel(reg, priv->base + REG_USBPCR1_OFFSET);
>>> + }
>>> +
>>> + reg = readl(priv->base + REG_USBPCR_OFFSET);
>>> + reg &= ~USBPCR_USB_MODE;
>>> + reg |= USBPCR_VBUSVLDEXT | USBPCR_VBUSVLDEXTSEL |
>>> USBPCR_OTG_DISABLE;
>>> + writel(reg, priv->base + REG_USBPCR_OFFSET);
>>> +
>>> + break;
>>> + case PHY_MODE_USB_OTG:
>>> + reg = readl(priv->base + REG_USBPCR_OFFSET);
>>> + reg &= ~USBPCR_OTG_DISABLE;
>>> + reg |= USBPCR_VBUSVLDEXT | USBPCR_VBUSVLDEXTSEL |
>>> USBPCR_USB_MODE;
>>> + writel(reg, priv->base + REG_USBPCR_OFFSET);
>>> +
>>> + break;
>>> + default:
>>> + return -EINVAL;
>>> + }
>>> +
>>> + return 0;
>>> }
>>
>> I think the diff should be a bit smaller (and easier to review) if
>> you move ingenic_usb_phy_init / ingenic_usb_phy_exit here, where
>> they used to be.
>>
>
> Sure.
>>>
>>> -static void jz4770_usb_phy_init(struct usb_phy *phy)
>>> +static const struct phy_ops ingenic_usb_phy_ops = {
>>> + .init = ingenic_usb_phy_init,
>>> + .exit = ingenic_usb_phy_exit,
>>> + .power_on = ingenic_usb_phy_power_on,
>>> + .power_off = ingenic_usb_phy_power_off,
>>> + .set_mode = ingenic_usb_phy_set_mode,
>>> + .owner = THIS_MODULE,
>>> +};
>>> +
>>> +static void jz4770_usb_phy_init(struct phy *phy)
>>> {
>>> - struct jz4770_phy *priv = phy_to_jz4770_phy(phy);
>>> + struct ingenic_usb_phy *priv = phy_get_drvdata(phy);
>>> u32 reg;
>>>
>>> reg = USBPCR_AVLD_REG | USBPCR_COMMONONN |
>>> USBPCR_IDPULLUP_ALWAYS |
>>> @@ -206,11 +219,16 @@ static void jz4770_usb_phy_init(struct
>>> usb_phy *phy)
>>> USBPCR_TXFSLSTUNE_DFT | USBPCR_TXRISETUNE_DFT |
>>> USBPCR_TXVREFTUNE_DFT |
>>> USBPCR_POR;
>>> writel(reg, priv->base + REG_USBPCR_OFFSET);
>>> +
>>> + /* Wait for PHY to reset */
>>> + usleep_range(30, 300);
>>> + writel(reg & ~USBPCR_POR, priv->base + REG_USBPCR_OFFSET);
>>> + usleep_range(300, 1000);
>>> }
>>>
>>> -static void jz4780_usb_phy_init(struct usb_phy *phy)
>>> +static void jz4780_usb_phy_init(struct phy *phy)
>>> {
>>> - struct jz4770_phy *priv = phy_to_jz4770_phy(phy);
>>> + struct ingenic_usb_phy *priv = phy_get_drvdata(phy);
>>> u32 reg;
>>>
>>> reg = readl(priv->base + REG_USBPCR1_OFFSET) | USBPCR1_USB_SEL
>>> |
>>> @@ -219,11 +237,16 @@ static void jz4780_usb_phy_init(struct
>>> usb_phy *phy)
>>>
>>> reg = USBPCR_TXPREEMPHTUNE | USBPCR_COMMONONN | USBPCR_POR;
>>> writel(reg, priv->base + REG_USBPCR_OFFSET);
>>> +
>>> + /* Wait for PHY to reset */
>>> + usleep_range(30, 300);
>>> + writel(reg & ~USBPCR_POR, priv->base + REG_USBPCR_OFFSET);
>>> + usleep_range(300, 1000);
>>> }
>>>
>>> -static void x1000_usb_phy_init(struct usb_phy *phy)
>>> +static void x1000_usb_phy_init(struct phy *phy)
>>> {
>>> - struct jz4770_phy *priv = phy_to_jz4770_phy(phy);
>>> + struct ingenic_usb_phy *priv = phy_get_drvdata(phy);
>>> u32 reg;
>>>
>>> reg = readl(priv->base + REG_USBPCR1_OFFSET) |
>>> USBPCR1_WORD_IF_16BIT;
>>> @@ -233,11 +256,16 @@ static void x1000_usb_phy_init(struct usb_phy
>>> *phy)
>>> USBPCR_TXHSXVTUNE_DCR_15MV | USBPCR_TXVREFTUNE_INC_25PPT |
>>> USBPCR_COMMONONN | USBPCR_POR;
>>> writel(reg, priv->base + REG_USBPCR_OFFSET);
>>> +
>>> + /* Wait for PHY to reset */
>>> + usleep_range(30, 300);
>>> + writel(reg & ~USBPCR_POR, priv->base + REG_USBPCR_OFFSET);
>>> + usleep_range(300, 1000);
>>> }
>>>
>>> -static void x1830_usb_phy_init(struct usb_phy *phy)
>>> +static void x1830_usb_phy_init(struct phy *phy)
>>> {
>>> - struct jz4770_phy *priv = phy_to_jz4770_phy(phy);
>>> + struct ingenic_usb_phy *priv = phy_get_drvdata(phy);
>>> u32 reg;
>>>
>>> /* rdt */
>>> @@ -250,6 +278,11 @@ static void x1830_usb_phy_init(struct usb_phy
>>> *phy)
>>> reg = USBPCR_IDPULLUP_OTG | USBPCR_VBUSVLDEXT |
>>> USBPCR_TXPREEMPHTUNE |
>>> USBPCR_COMMONONN | USBPCR_POR;
>>> writel(reg, priv->base + REG_USBPCR_OFFSET);
>>> +
>>> + /* Wait for PHY to reset */
>>> + usleep_range(30, 300);
>>> + writel(reg & ~USBPCR_POR, priv->base + REG_USBPCR_OFFSET);
>>> + usleep_range(300, 1000);
>>
>> Why is that code repeated four times now? The old driver had that in
>> ingenic_usb_phy_init().
>>
>
> This is my fault, I forgot to make the corresponding changes after I
> cherry-pick it from v6, I will fix this problem in the next version.
>
>>> }
>>>
>>> static const struct ingenic_soc_info jz4770_soc_info = {
>>> @@ -276,87 +309,96 @@ static const struct ingenic_soc_info
>>> x1830_soc_info = {
>>> .usb_phy_init = x1830_usb_phy_init,
>>> };
>>>
>>> -static const struct of_device_id ingenic_usb_phy_of_matches[] = {
>>> - { .compatible = "ingenic,jz4770-phy", .data = &jz4770_soc_info
>>> },
>>> - { .compatible = "ingenic,jz4780-phy", .data = &jz4780_soc_info
>>> },
>>> - { .compatible = "ingenic,x1000-phy", .data = &x1000_soc_info },
>>> - { .compatible = "ingenic,x1830-phy", .data = &x1830_soc_info },
>>> - { /* sentinel */ }
>>> -};
>>> -MODULE_DEVICE_TABLE(of, ingenic_usb_phy_of_matches);
>>> -
>>> -static int jz4770_phy_probe(struct platform_device *pdev)
>>> +static int ingenic_usb_phy_probe(struct platform_device *pdev)
>>> {
>>> - struct device *dev = &pdev->dev;
>>> - struct jz4770_phy *priv;
>>> + struct ingenic_usb_phy *priv;
>>> + struct phy_provider *provider;
>>> int err;
>>>
>>> - priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
>>> + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
>>
>> I'd prefer that you keep a local 'dev' variable. Otherwise it only
>> makes the diff bigger and it's harder to review.
>>
>
> Sure.
>
>>> if (!priv)
>>> return -ENOMEM;
>>>
>>> + priv->dev = &pdev->dev;
>>> +
>>> priv->soc_info = device_get_match_data(&pdev->dev);
>>> if (!priv->soc_info) {
>>> dev_err(&pdev->dev, "Error: No device match found\n");
>>> return -ENODEV;
>>> }
>>>
>>> - platform_set_drvdata(pdev, priv);
>>> - priv->dev = dev;
>>> - priv->phy.dev = dev;
>>> - priv->phy.otg = &priv->otg;
>>> - priv->phy.label = "ingenic-usb-phy";
>>> - priv->phy.init = ingenic_usb_phy_init;
>>> - priv->phy.shutdown = ingenic_usb_phy_shutdown;
>>> -
>>> - priv->otg.state = OTG_STATE_UNDEFINED;
>>> - priv->otg.usb_phy = &priv->phy;
>>> - priv->otg.set_host = ingenic_usb_phy_set_host;
>>> - priv->otg.set_peripheral = ingenic_usb_phy_set_peripheral;
>>> -
>>> priv->base = devm_platform_ioremap_resource(pdev, 0);
>>> if (IS_ERR(priv->base)) {
>>> - dev_err(dev, "Failed to map registers\n");
>>> + dev_err(priv->dev, "Failed to map registers\n");
>>> return PTR_ERR(priv->base);
>>> }
>>>
>>> - priv->clk = devm_clk_get(dev, NULL);
>>> + priv->clk = devm_clk_get(priv->dev, NULL);
>>> if (IS_ERR(priv->clk)) {
>>> err = PTR_ERR(priv->clk);
>>> if (err != -EPROBE_DEFER)
>>> - dev_err(dev, "Failed to get clock\n");
>>> + dev_err(priv->dev, "Failed to get clock\n");
>>> return err;
>>> }
>>>
>>> - priv->vcc_supply = devm_regulator_get(dev, "vcc");
>>> + priv->vcc_supply = devm_regulator_get(priv->dev, "vcc");
>>> if (IS_ERR(priv->vcc_supply)) {
>>> err = PTR_ERR(priv->vcc_supply);
>>> if (err != -EPROBE_DEFER)
>>> - dev_err(dev, "Failed to get regulator\n");
>>> + dev_err(priv->dev, "Failed to get regulator\n");
>>> return err;
>>> }
>>>
>>> - err = usb_add_phy(&priv->phy, USB_PHY_TYPE_USB2);
>>> - if (err) {
>>> - if (err != -EPROBE_DEFER)
>>> - dev_err(dev, "Unable to register PHY\n");
>>> - return err;
>>> + priv->phy = devm_phy_create(priv->dev, NULL,
>>> &ingenic_usb_phy_ops);
>>> + if (IS_ERR(priv)) {
>>> + dev_err(priv->dev, "Failed to create PHY: %ld\n",
>>> PTR_ERR(priv));
>>> + return PTR_ERR(priv);
>>> + }
>>
>> There's a stray tabulation character here.
>>
>> Also, no need to print error codes in the probe function - they will
>> be printed anyway since the driver will fail to probe.
>>
> Sure.
>>> +
>>> + provider = devm_of_phy_provider_register(priv->dev,
>>> of_phy_simple_xlate);
>>> + if (IS_ERR(provider)) {
>>> + dev_err(priv->dev, "Failed to register PHY provider:
>>> %ld\n", PTR_ERR(provider));
>>> + return PTR_ERR(provider);
>>> }
>>
>> Same here.
>>
>>>
>>> - return devm_add_action_or_reset(dev, ingenic_usb_phy_remove,
>>> &priv->phy);
>>> + platform_set_drvdata(pdev, priv);
>>> + phy_set_drvdata(priv->phy, priv);
>>
>> These two do the same thing. Also, you must do it before registering
>> the PHY, otherwise you have a race.
>>
> OK, I will fix it in the next version.
>>> +
>>> + return 0;
>>> +}
>>> +
>>> +static int ingenic_usb_phy_remove(struct platform_device *pdev)
>>> +{
>>> + struct ingenic_usb_phy *priv = platform_get_drvdata(pdev);
>>> +
>>> + clk_disable_unprepare(priv->clk);
>>> + regulator_disable(priv->vcc_supply);
>>
>> I assume that ingenic_usb_phy_power_off() and ingenic_usb_phy_exit()
>> are automatically called when the module is removed, did you test
>> module removal?
>>
>
> I think I have an oversignt, only the module install was tested, but
> the module removal was not tested.
>
>>> +
>>> + return 0;
>>> }
>>>
>>> -static struct platform_driver ingenic_phy_driver = {
>>> - .probe = jz4770_phy_probe,
>>> +static const struct of_device_id ingenic_usb_phy_of_matches[] = {
>>> + { .compatible = "ingenic,jz4770-phy", .data = &jz4770_soc_info
>>> },
>>> + { .compatible = "ingenic,jz4780-phy", .data = &jz4780_soc_info
>>> },
>>> + { .compatible = "ingenic,x1000-phy", .data = &x1000_soc_info },
>>> + { .compatible = "ingenic,x1830-phy", .data = &x1830_soc_info },
>>> + { /* sentinel */ }
>>> +};
>>> +MODULE_DEVICE_TABLE(of, ingenic_usb_phy_of_matches);
>>
>> You moved that code around, which only made the diff bigger and
>> harder to review. Please keep it where it was.
>>
>
> Sure.
>
>>> +
>>> +static struct platform_driver ingenic_usb_phy_driver = {
>>> + .probe = ingenic_usb_phy_probe,
>>> + .remove = ingenic_usb_phy_remove,
>>> .driver = {
>>> - .name = "jz4770-phy",
>>> - .of_match_table = of_match_ptr(ingenic_usb_phy_of_matches),
>>> + .name = "ingenic-usb-phy",
>>> + .of_match_table = ingenic_usb_phy_of_matches,
>>
>> You removed of_match_ptr(), which is a valid change (Ingenic SoCs
>> all depend on Device Tree), but is unrelated to this patch.
>>
>
> It was not removed in the previous version, so the test robot sent me
> an email. In this case, should I remove it directly herer or remove
> it in a separate patch?
Separate patch please, before the move to the generic PHY.
Cheers,
-Paul
>>> },
>>> };
>>> -module_platform_driver(ingenic_phy_driver);
>>> +module_platform_driver(ingenic_usb_phy_driver);
>>>
>>> MODULE_AUTHOR("周琰杰 (Zhou Yanjie)
>>> <zhouyanjie@...yeetech.com>");
>>> MODULE_AUTHOR("漆鹏振 (Qi Pengzhen) <aric.pzqi@...enic.com>");
>>> MODULE_AUTHOR("Paul Cercueil <paul@...pouillou.net>");
>>> MODULE_DESCRIPTION("Ingenic SoCs USB PHY driver");
>>> +MODULE_ALIAS("jz4770_phy");
>>
>> Actually that would be "jz4770-phy".
>>
>
> Sure, I'll change it in the next version.
>
> Thanks and best regards!
>
>> Cheers,
>> -Paul
>>
>>> MODULE_LICENSE("GPL");
>>> diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig
>>> index ef4787cd3d37..ff24fca0a2d9 100644
>>> --- a/drivers/usb/phy/Kconfig
>>> +++ b/drivers/usb/phy/Kconfig
>>> @@ -184,12 +184,4 @@ config USB_ULPI_VIEWPORT
>>> Provides read/write operations to the ULPI phy register set
>>> for
>>> controllers with a viewport register (e.g. Chipidea/ARC
>>> controllers).
>>>
>>> -config JZ4770_PHY
>>> - tristate "Ingenic SoCs Transceiver Driver"
>>> - depends on MIPS || COMPILE_TEST
>>> - select USB_PHY
>>> - help
>>> - This driver provides PHY support for the USB controller found
>>> - on the JZ-series and X-series SoCs from Ingenic.
>>> -
>>> endmenu
>>> diff --git a/drivers/usb/phy/Makefile b/drivers/usb/phy/Makefile
>>> index b352bdbe8712..df1d99010079 100644
>>> --- a/drivers/usb/phy/Makefile
>>> +++ b/drivers/usb/phy/Makefile
>>> @@ -24,4 +24,3 @@ obj-$(CONFIG_USB_MXS_PHY) += phy-mxs-usb.o
>>> obj-$(CONFIG_USB_ULPI) += phy-ulpi.o
>>> obj-$(CONFIG_USB_ULPI_VIEWPORT) += phy-ulpi-viewport.o
>>> obj-$(CONFIG_KEYSTONE_USB_PHY) += phy-keystone.o
>>> -obj-$(CONFIG_JZ4770_PHY) += phy-jz4770.o
>>> --
>>> 2.11.0
>>>
>>
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