Re: [PATCH 1/4] usb: phy: rename nop_usb_xceiv => usb_phy_gen_xceiv

From: Felipe Balbi
Date: Mon Jul 29 2013 - 08:20:41 EST


On Fri, Jul 26, 2013 at 10:15:54PM +0200, Sebastian Andrzej Siewior wrote:
> The "nop" driver isn't a do-nothing-stub but supports a couple functions
> like clock on/off or is able to use a voltage regulator. This patch
> simply renames the driver to "generic" since it is easy possible to
> extend it by a simple function istead of writing a complete driver.
>
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>

to me, this is great but I need Tony's Ack for it. Let's Cc Tony and
linux-omap

> ---
> arch/arm/mach-omap2/board-omap3beagle.c | 2 +-
> arch/arm/mach-omap2/board-omap3evm.c | 2 +-
> arch/arm/mach-omap2/board-omap3pandora.c | 2 +-
> arch/arm/mach-omap2/usb-host.c | 8 +++---
> drivers/usb/dwc3/dwc3-exynos.c | 6 ++--
> drivers/usb/dwc3/dwc3-pci.c | 6 ++--
> drivers/usb/phy/Makefile | 2 +-
> drivers/usb/phy/{phy-nop.c => phy-generic.c} | 42 ++++++++++++++--------------
> include/linux/usb/nop-usb-xceiv.h | 2 +-
> 9 files changed, 36 insertions(+), 36 deletions(-)
> rename drivers/usb/phy/{phy-nop.c => phy-generic.c} (84%)
>
> diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
> index 04c1165..f595b23 100644
> --- a/arch/arm/mach-omap2/board-omap3beagle.c
> +++ b/arch/arm/mach-omap2/board-omap3beagle.c
> @@ -279,7 +279,7 @@ static struct regulator_consumer_supply beagle_vsim_supply[] = {
> static struct gpio_led gpio_leds[];
>
> /* PHY's VCC regulator might be added later, so flag that we need it */
> -static struct nop_usb_xceiv_platform_data hsusb2_phy_data = {
> +static struct usb_phy_gen_xceiv_platform_data hsusb2_phy_data = {
> .needs_vcc = true,
> };
>
> diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
> index 8c02626..5d98ef0 100644
> --- a/arch/arm/mach-omap2/board-omap3evm.c
> +++ b/arch/arm/mach-omap2/board-omap3evm.c
> @@ -468,7 +468,7 @@ struct wl12xx_platform_data omap3evm_wlan_data __initdata = {
> static struct regulator_consumer_supply omap3evm_vaux2_supplies[] = {
> REGULATOR_SUPPLY("VDD_CSIPHY1", "omap3isp"), /* OMAP ISP */
> REGULATOR_SUPPLY("VDD_CSIPHY2", "omap3isp"), /* OMAP ISP */
> - REGULATOR_SUPPLY("vcc", "nop_usb_xceiv.2"), /* hsusb port 2 */
> + REGULATOR_SUPPLY("vcc", "usb_phy_gen_xceiv.2"), /* hsusb port 2 */
> REGULATOR_SUPPLY("vaux2", NULL),
> };
>
> diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
> index b1547a0..d2b455e 100644
> --- a/arch/arm/mach-omap2/board-omap3pandora.c
> +++ b/arch/arm/mach-omap2/board-omap3pandora.c
> @@ -352,7 +352,7 @@ static struct regulator_consumer_supply pandora_vcc_lcd_supply[] = {
> };
>
> static struct regulator_consumer_supply pandora_usb_phy_supply[] = {
> - REGULATOR_SUPPLY("vcc", "nop_usb_xceiv.2"), /* hsusb port 2 */
> + REGULATOR_SUPPLY("vcc", "usb_phy_gen_xceiv.2"), /* hsusb port 2 */
> };
>
> /* ads7846 on SPI and 2 nub controllers on I2C */
> diff --git a/arch/arm/mach-omap2/usb-host.c b/arch/arm/mach-omap2/usb-host.c
> index 2eb19d4..b54bd06 100644
> --- a/arch/arm/mach-omap2/usb-host.c
> +++ b/arch/arm/mach-omap2/usb-host.c
> @@ -349,7 +349,7 @@ static struct fixed_voltage_config hsusb_reg_config = {
> /* .init_data filled later */
> };
>
> -static const char *nop_name = "nop_usb_xceiv"; /* NOP PHY driver */
> +static const char *nop_name = "usb_phy_gen_xceiv"; /* NOP PHY driver */
> static const char *reg_name = "reg-fixed-voltage"; /* Regulator driver */
>
> /**
> @@ -460,9 +460,9 @@ int usbhs_init_phys(struct usbhs_phy_data *phy, int num_phys)
> pdevinfo.name = nop_name;
> pdevinfo.id = phy->port;
> pdevinfo.data = phy->platform_data;
> - pdevinfo.size_data = sizeof(struct nop_usb_xceiv_platform_data);
> -
> - scnprintf(phy_id, MAX_STR, "nop_usb_xceiv.%d",
> + pdevinfo.size_data =
> + sizeof(struct usb_phy_gen_xceiv_platform_data);
> + scnprintf(phy_id, MAX_STR, "usb_phy_gen_xceiv.%d",
> phy->port);
> pdev = platform_device_register_full(&pdevinfo);
> if (IS_ERR(pdev)) {
> diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c
> index 9a8a5e1..1a83fb3 100644
> --- a/drivers/usb/dwc3/dwc3-exynos.c
> +++ b/drivers/usb/dwc3/dwc3-exynos.c
> @@ -38,13 +38,13 @@ struct dwc3_exynos {
>
> static int dwc3_exynos_register_phys(struct dwc3_exynos *exynos)
> {
> - struct nop_usb_xceiv_platform_data pdata;
> + struct usb_phy_gen_xceiv_platform_data pdata;
> struct platform_device *pdev;
> int ret;
>
> memset(&pdata, 0x00, sizeof(pdata));
>
> - pdev = platform_device_alloc("nop_usb_xceiv", PLATFORM_DEVID_AUTO);
> + pdev = platform_device_alloc("usb_phy_gen_xceiv", PLATFORM_DEVID_AUTO);
> if (!pdev)
> return -ENOMEM;
>
> @@ -55,7 +55,7 @@ static int dwc3_exynos_register_phys(struct dwc3_exynos *exynos)
> if (ret)
> goto err1;
>
> - pdev = platform_device_alloc("nop_usb_xceiv", PLATFORM_DEVID_AUTO);
> + pdev = platform_device_alloc("usb_phy_gen_xceiv", PLATFORM_DEVID_AUTO);
> if (!pdev) {
> ret = -ENOMEM;
> goto err1;
> diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
> index 5d746e5..12b8276 100644
> --- a/drivers/usb/dwc3/dwc3-pci.c
> +++ b/drivers/usb/dwc3/dwc3-pci.c
> @@ -38,13 +38,13 @@ struct dwc3_pci {
>
> static int dwc3_pci_register_phys(struct dwc3_pci *glue)
> {
> - struct nop_usb_xceiv_platform_data pdata;
> + struct usb_phy_gen_xceiv_platform_data pdata;
> struct platform_device *pdev;
> int ret;
>
> memset(&pdata, 0x00, sizeof(pdata));
>
> - pdev = platform_device_alloc("nop_usb_xceiv", 0);
> + pdev = platform_device_alloc("usb_phy_gen_xceiv", 0);
> if (!pdev)
> return -ENOMEM;
>
> @@ -55,7 +55,7 @@ static int dwc3_pci_register_phys(struct dwc3_pci *glue)
> if (ret)
> goto err1;
>
> - pdev = platform_device_alloc("nop_usb_xceiv", 1);
> + pdev = platform_device_alloc("usb_phy_gen_xceiv", 1);
> if (!pdev) {
> ret = -ENOMEM;
> goto err1;
> diff --git a/drivers/usb/phy/Makefile b/drivers/usb/phy/Makefile
> index 070eca3..24c5816 100644
> --- a/drivers/usb/phy/Makefile
> +++ b/drivers/usb/phy/Makefile
> @@ -14,7 +14,7 @@ phy-fsl-usb2-objs := phy-fsl-usb.o phy-fsm-usb.o
> obj-$(CONFIG_FSL_USB2_OTG) += phy-fsl-usb2.o
> obj-$(CONFIG_ISP1301_OMAP) += phy-isp1301-omap.o
> obj-$(CONFIG_MV_U3D_PHY) += phy-mv-u3d-usb.o
> -obj-$(CONFIG_NOP_USB_XCEIV) += phy-nop.o
> +obj-$(CONFIG_NOP_USB_XCEIV) += phy-generic.o
> obj-$(CONFIG_OMAP_CONTROL_USB) += phy-omap-control.o
> obj-$(CONFIG_OMAP_USB2) += phy-omap-usb2.o
> obj-$(CONFIG_OMAP_USB3) += phy-omap-usb3.o
> diff --git a/drivers/usb/phy/phy-nop.c b/drivers/usb/phy/phy-generic.c
> similarity index 84%
> rename from drivers/usb/phy/phy-nop.c
> rename to drivers/usb/phy/phy-generic.c
> index 55445e5d..57a0bf0 100644
> --- a/drivers/usb/phy/phy-nop.c
> +++ b/drivers/usb/phy/phy-generic.c
> @@ -36,7 +36,7 @@
> #include <linux/regulator/consumer.h>
> #include <linux/of.h>
>
> -struct nop_usb_xceiv {
> +struct usb_phy_gen_xceiv {
> struct usb_phy phy;
> struct device *dev;
> struct clk *clk;
> @@ -50,9 +50,9 @@ void usb_nop_xceiv_register(void)
> {
> if (pd)
> return;
> - pd = platform_device_register_simple("nop_usb_xceiv", -1, NULL, 0);
> + pd = platform_device_register_simple("usb_phy_gen_xceiv", -1, NULL, 0);
> if (!pd) {
> - printk(KERN_ERR "Unable to register usb nop transceiver\n");
> + pr_err("Unable to register generic usb transceiver\n");
> return;
> }
> }
> @@ -72,7 +72,7 @@ static int nop_set_suspend(struct usb_phy *x, int suspend)
>
> static int nop_init(struct usb_phy *phy)
> {
> - struct nop_usb_xceiv *nop = dev_get_drvdata(phy->dev);
> + struct usb_phy_gen_xceiv *nop = dev_get_drvdata(phy->dev);
>
> if (!IS_ERR(nop->vcc)) {
> if (regulator_enable(nop->vcc))
> @@ -93,7 +93,7 @@ static int nop_init(struct usb_phy *phy)
>
> static void nop_shutdown(struct usb_phy *phy)
> {
> - struct nop_usb_xceiv *nop = dev_get_drvdata(phy->dev);
> + struct usb_phy_gen_xceiv *nop = dev_get_drvdata(phy->dev);
>
> if (!IS_ERR(nop->reset)) {
> /* Assert RESET */
> @@ -139,11 +139,11 @@ static int nop_set_host(struct usb_otg *otg, struct usb_bus *host)
> return 0;
> }
>
> -static int nop_usb_xceiv_probe(struct platform_device *pdev)
> +static int usb_phy_gen_xceiv_probe(struct platform_device *pdev)
> {
> struct device *dev = &pdev->dev;
> - struct nop_usb_xceiv_platform_data *pdata = pdev->dev.platform_data;
> - struct nop_usb_xceiv *nop;
> + struct usb_phy_gen_xceiv_platform_data *pdata = pdev->dev.platform_data;
> + struct usb_phy_gen_xceiv *nop;
> enum usb_phy_type type = USB_PHY_TYPE_USB2;
> int err;
> u32 clk_rate = 0;
> @@ -245,9 +245,9 @@ static int nop_usb_xceiv_probe(struct platform_device *pdev)
> return err;
> }
>
> -static int nop_usb_xceiv_remove(struct platform_device *pdev)
> +static int usb_phy_gen_xceiv_remove(struct platform_device *pdev)
> {
> - struct nop_usb_xceiv *nop = platform_get_drvdata(pdev);
> + struct usb_phy_gen_xceiv *nop = platform_get_drvdata(pdev);
>
> if (!IS_ERR(nop->clk))
> clk_unprepare(nop->clk);
> @@ -264,29 +264,29 @@ static const struct of_device_id nop_xceiv_dt_ids[] = {
>
> MODULE_DEVICE_TABLE(of, nop_xceiv_dt_ids);
>
> -static struct platform_driver nop_usb_xceiv_driver = {
> - .probe = nop_usb_xceiv_probe,
> - .remove = nop_usb_xceiv_remove,
> +static struct platform_driver usb_phy_gen_xceiv_driver = {
> + .probe = usb_phy_gen_xceiv_probe,
> + .remove = usb_phy_gen_xceiv_remove,
> .driver = {
> - .name = "nop_usb_xceiv",
> + .name = "usb_phy_gen_xceiv",
> .owner = THIS_MODULE,
> .of_match_table = nop_xceiv_dt_ids,
> },
> };
>
> -static int __init nop_usb_xceiv_init(void)
> +static int __init usb_phy_gen_xceiv_init(void)
> {
> - return platform_driver_register(&nop_usb_xceiv_driver);
> + return platform_driver_register(&usb_phy_gen_xceiv_driver);
> }
> -subsys_initcall(nop_usb_xceiv_init);
> +subsys_initcall(usb_phy_gen_xceiv_init);
>
> -static void __exit nop_usb_xceiv_exit(void)
> +static void __exit usb_phy_gen_xceiv_exit(void)
> {
> - platform_driver_unregister(&nop_usb_xceiv_driver);
> + platform_driver_unregister(&usb_phy_gen_xceiv_driver);
> }
> -module_exit(nop_usb_xceiv_exit);
> +module_exit(usb_phy_gen_xceiv_exit);
>
> -MODULE_ALIAS("platform:nop_usb_xceiv");
> +MODULE_ALIAS("platform:usb_phy_gen_xceiv");
> MODULE_AUTHOR("Texas Instruments Inc");
> MODULE_DESCRIPTION("NOP USB Transceiver driver");
> MODULE_LICENSE("GPL");
> diff --git a/include/linux/usb/nop-usb-xceiv.h b/include/linux/usb/nop-usb-xceiv.h
> index 148d351..11d85b9 100644
> --- a/include/linux/usb/nop-usb-xceiv.h
> +++ b/include/linux/usb/nop-usb-xceiv.h
> @@ -3,7 +3,7 @@
>
> #include <linux/usb/otg.h>
>
> -struct nop_usb_xceiv_platform_data {
> +struct usb_phy_gen_xceiv_platform_data {
> enum usb_phy_type type;
> unsigned long clk_rate;
>
> --
> 1.8.3.2
>

--
balbi

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