[v4,1/3] usb: fsl-mxc-udc: replace cpu_is_xxx() with platform_device_id

Message ID	1358172969-14898-2-git-send-email-peter.chen@freescale.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org> From: Peter Chen <peter.chen@freescale.com> To: <shawn.guo@linaro.org>, <balbi@ti.com>, <kernel@pengutronix.de>, <gregkh@linuxfoundation.org>, <r58472@freescale.com> Subject: [PATCH v4 1/3] usb: fsl-mxc-udc: replace cpu_is_xxx() with platform_device_id Date: Mon, 14 Jan 2013 22:16:07 +0800 Message-ID: <1358172969-14898-2-git-send-email-peter.chen@freescale.com> In-Reply-To: <1358172969-14898-1-git-send-email-peter.chen@freescale.com> References: <1358172969-14898-1-git-send-email-peter.chen@freescale.com> MIME-Version: 1.0 summary: Content analysis details: (-4.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [216.32.180.16 listed in list.dnswl.org] -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: linux-usb@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org Precedence: list Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org

diff --git a/arch/arm/mach-imx/devices/devices-common.h b/arch/arm/mach-imx/devices/devices-common.h index 6277baf..9bd5777 100644 --- a/arch/arm/mach-imx/devices/devices-common.h +++ b/arch/arm/mach-imx/devices/devices-common.h @@ -63,6 +63,7 @@ struct platform_device *__init imx_add_flexcan( #include <linux/fsl_devices.h> struct imx_fsl_usb2_udc_data { + const char *devid; resource_size_t iobase; resource_size_t irq; }; diff --git a/arch/arm/mach-imx/devices/platform-fsl-usb2-udc.c b/arch/arm/mach-imx/devices/platform-fsl-usb2-udc.c index 37e4439..fb527c7 100644 --- a/arch/arm/mach-imx/devices/platform-fsl-usb2-udc.c +++ b/arch/arm/mach-imx/devices/platform-fsl-usb2-udc.c @@ -11,35 +11,36 @@ #include "../hardware.h" #include "devices-common.h" -#define imx_fsl_usb2_udc_data_entry_single(soc) \ +#define imx_fsl_usb2_udc_data_entry_single(soc, _devid) \ { \ + .devid = _devid, \ .iobase = soc ## _USB_OTG_BASE_ADDR, \ .irq = soc ## _INT_USB_OTG, \ } #ifdef CONFIG_SOC_IMX25 const struct imx_fsl_usb2_udc_data imx25_fsl_usb2_udc_data __initconst = - imx_fsl_usb2_udc_data_entry_single(MX25); + imx_fsl_usb2_udc_data_entry_single(MX25, "imx-udc-mx25"); #endif /* ifdef CONFIG_SOC_IMX25 */ #ifdef CONFIG_SOC_IMX27 const struct imx_fsl_usb2_udc_data imx27_fsl_usb2_udc_data __initconst = - imx_fsl_usb2_udc_data_entry_single(MX27); + imx_fsl_usb2_udc_data_entry_single(MX27, "imx-udc-mx27"); #endif /* ifdef CONFIG_SOC_IMX27 */ #ifdef CONFIG_SOC_IMX31 const struct imx_fsl_usb2_udc_data imx31_fsl_usb2_udc_data __initconst = - imx_fsl_usb2_udc_data_entry_single(MX31); + imx_fsl_usb2_udc_data_entry_single(MX31, "imx-udc-mx31"); #endif /* ifdef CONFIG_SOC_IMX31 */ #ifdef CONFIG_SOC_IMX35 const struct imx_fsl_usb2_udc_data imx35_fsl_usb2_udc_data __initconst = - imx_fsl_usb2_udc_data_entry_single(MX35); + imx_fsl_usb2_udc_data_entry_single(MX35, "imx-udc-mx35"); #endif /* ifdef CONFIG_SOC_IMX35 */ #ifdef CONFIG_SOC_IMX51 const struct imx_fsl_usb2_udc_data imx51_fsl_usb2_udc_data __initconst = - imx_fsl_usb2_udc_data_entry_single(MX51); + imx_fsl_usb2_udc_data_entry_single(MX51, "imx-udc-mx51"); #endif struct platform_device *__init imx_add_fsl_usb2_udc( @@ -57,7 +58,7 @@ struct platform_device *__init imx_add_fsl_usb2_udc( .flags = IORESOURCE_IRQ, }, }; - return imx_add_platform_device_dmamask("fsl-usb2-udc", -1, + return imx_add_platform_device_dmamask(data->devid, -1, res, ARRAY_SIZE(res), pdata, sizeof(*pdata), DMA_BIT_MASK(32)); } diff --git a/drivers/usb/gadget/fsl_mxc_udc.c b/drivers/usb/gadget/fsl_mxc_udc.c index 1b0f086..6df45f7 100644 --- a/drivers/usb/gadget/fsl_mxc_udc.c +++ b/drivers/usb/gadget/fsl_mxc_udc.c @@ -18,8 +18,6 @@ #include <linux/platform_device.h> #include <linux/io.h> -#include <mach/hardware.h> - static struct clk *mxc_ahb_clk; static struct clk *mxc_per_clk; static struct clk *mxc_ipg_clk; @@ -28,7 +26,7 @@ static struct clk *mxc_ipg_clk; #define USBPHYCTRL_OTGBASE_OFFSET 0x608 #define USBPHYCTRL_EVDO (1 << 23) -int fsl_udc_clk_init(struct platform_device *pdev) +int fsl_udc_clk_init(enum fsl_udc_type devtype, struct platform_device *pdev) { struct fsl_usb2_platform_data *pdata; unsigned long freq; @@ -59,7 +57,7 @@ int fsl_udc_clk_init(struct platform_device *pdev) clk_prepare_enable(mxc_per_clk); /* make sure USB_CLK is running at 60 MHz +/- 1000 Hz */ - if (!cpu_is_mx51()) { + if (!(devtype == IMX51_UDC)) { freq = clk_get_rate(mxc_per_clk); if (pdata->phy_mode != FSL_USB2_PHY_ULPI && (freq < 59999000 || freq > 60001000)) { @@ -79,10 +77,11 @@ eclkrate: return ret; } -void fsl_udc_clk_finalize(struct platform_device *pdev) +void fsl_udc_clk_finalize(enum fsl_udc_type devtype, + struct platform_device *pdev) { struct fsl_usb2_platform_data *pdata = pdev->dev.platform_data; - if (cpu_is_mx35()) { + if (devtype == IMX35_UDC) { unsigned int v; /* workaround ENGcm09152 for i.MX35 */ diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c index c19f7f1..c32119b 100644 --- a/drivers/usb/gadget/fsl_udc_core.c +++ b/drivers/usb/gadget/fsl_udc_core.c @@ -41,6 +41,7 @@ #include <linux/fsl_devices.h> #include <linux/dmapool.h> #include <linux/delay.h> +#include <linux/of_device.h> #include <asm/byteorder.h> #include <asm/io.h> @@ -2438,17 +2439,13 @@ static int __init fsl_udc_probe(struct platform_device *pdev) unsigned int i; u32 dccparams; - if (strcmp(pdev->name, driver_name)) { - VDBG("Wrong device"); - return -ENODEV; - } - udc_controller = kzalloc(sizeof(struct fsl_udc), GFP_KERNEL); if (udc_controller == NULL) { ERR("malloc udc failed\n"); return -ENOMEM; } + udc_controller->devtype = pdev->id_entry->driver_data; pdata = pdev->dev.platform_data; udc_controller->pdata = pdata; spin_lock_init(&udc_controller->lock); @@ -2505,7 +2502,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev) #endif /* Initialize USB clocks */ - ret = fsl_udc_clk_init(pdev); + ret = fsl_udc_clk_init(udc_controller->devtype, pdev); if (ret < 0) goto err_iounmap_noclk; @@ -2547,7 +2544,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev) dr_controller_setup(udc_controller); } - fsl_udc_clk_finalize(pdev); + fsl_udc_clk_finalize(udc_controller->devtype, pdev); /* Setup gadget structure */ udc_controller->gadget.ops = &fsl_gadget_ops; @@ -2756,22 +2753,41 @@ static int fsl_udc_otg_resume(struct device *dev) return fsl_udc_resume(NULL); } - /*------------------------------------------------------------------------- Register entry point for the peripheral controller driver --------------------------------------------------------------------------*/ - +static const struct platform_device_id fsl_udc_devtype[] = { + { + .name = "imx-udc-mx25", + .driver_data = IMX25_UDC, + }, { + .name = "imx-udc-mx27", + .driver_data = IMX27_UDC, + }, { + .name = "imx-udc-mx31", + .driver_data = IMX31_UDC, + }, { + .name = "imx-udc-mx35", + .driver_data = IMX35_UDC, + }, { + .name = "imx-udc-mx51", + .driver_data = IMX51_UDC, + } +}; +MODULE_DEVICE_TABLE(platform, fsl_udc_devtype); static struct platform_driver udc_driver = { - .remove = __exit_p(fsl_udc_remove), + .remove = __exit_p(fsl_udc_remove), + /* Just for FSL i.mx SoC currently */ + .id_table = fsl_udc_devtype, /* these suspend and resume are not usb suspend and resume */ - .suspend = fsl_udc_suspend, - .resume = fsl_udc_resume, - .driver = { - .name = (char *)driver_name, - .owner = THIS_MODULE, - /* udc suspend/resume called from OTG driver */ - .suspend = fsl_udc_otg_suspend, - .resume = fsl_udc_otg_resume, + .suspend = fsl_udc_suspend, + .resume = fsl_udc_resume, + .driver = { + .name = (char *)driver_name, + .owner = THIS_MODULE, + /* udc suspend/resume called from OTG driver */ + .suspend = fsl_udc_otg_suspend, + .resume = fsl_udc_otg_resume, }, }; diff --git a/drivers/usb/gadget/fsl_usb2_udc.h b/drivers/usb/gadget/fsl_usb2_udc.h index f61a967..bc1f6d0 100644 --- a/drivers/usb/gadget/fsl_usb2_udc.h +++ b/drivers/usb/gadget/fsl_usb2_udc.h @@ -505,6 +505,8 @@ struct fsl_udc { u32 ep0_dir; /* Endpoint zero direction: can be USB_DIR_IN or USB_DIR_OUT */ u8 device_address; /* Device USB address */ + /* devtype for kinds of SoC, only i.mx uses it now */ + enum fsl_udc_type devtype; }; /*-------------------------------------------------------------------------*/ @@ -591,15 +593,18 @@ static inline struct ep_queue_head *get_qh_by_ep(struct fsl_ep *ep) struct platform_device; #ifdef CONFIG_ARCH_MXC -int fsl_udc_clk_init(struct platform_device *pdev); -void fsl_udc_clk_finalize(struct platform_device *pdev); +int fsl_udc_clk_init(enum fsl_udc_type devtype, struct platform_device *pdev); +void fsl_udc_clk_finalize(enum fsl_udc_type devtype, + struct platform_device *pdev); void fsl_udc_clk_release(void); #else -static inline int fsl_udc_clk_init(struct platform_device *pdev) +static inline int fsl_udc_clk_init(enum fsl_udc_type devtype, + struct platform_device *pdev) { return 0; } -static inline void fsl_udc_clk_finalize(struct platform_device *pdev) +static inline void fsl_udc_clk_finalize(enum fsl_udc_type devtype, + struct platform_device *pdev) { } static inline void fsl_udc_clk_release(void) diff --git a/include/linux/fsl_devices.h b/include/linux/fsl_devices.h index a82296a..7cb3fe0 100644 --- a/include/linux/fsl_devices.h +++ b/include/linux/fsl_devices.h @@ -66,6 +66,14 @@ enum fsl_usb2_phy_modes { FSL_USB2_PHY_SERIAL, }; +enum fsl_udc_type { + IMX25_UDC, + IMX27_UDC, + IMX31_UDC, + IMX35_UDC, + IMX51_UDC, +}; + struct clk; struct platform_device;

[v4,1/3] usb: fsl-mxc-udc: replace cpu_is_xxx() with platform_device_id

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