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Commit 18688fbe authored by Felipe Balbi's avatar Felipe Balbi
Browse files

usb: musb: split tusb6010 to its own platform_driver 



Just adding its own platform_driver, not really
using it yet.

When all HW glue layers are converted, more patches
will come to split power management code from musb_core
and move it completely to HW glue layer.

Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent ce40c576

arch/arm/mach-omap2/usb-tusb6010.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -223,7 +223,7 @@ static struct resource tusb_resources[] = { 
static u64 tusb_dmamask = ~(u32)0;

static u64 tusb_dmamask = ~(u32)0;





static struct platform_device tusb_device = {

static struct platform_device tusb_device = {

	.name		= "musb-hdrc",

	.name		= "musb-tusb",

	.id		= -1,

	.id		= -1,

	.dev = {

	.dev = {

		.dma_mask		= &tusb_dmamask,

		.dma_mask		= &tusb_dmamask,

drivers/usb/musb/Makefile

+1 −1
Original line number Original line Diff line number Diff line
@@ -16,11 +16,11 @@ musb_hdrc-$(CONFIG_DEBUG_FS) += musb_debugfs.o 




musb_hdrc-$(CONFIG_USB_MUSB_DAVINCI)		+= davinci.o

musb_hdrc-$(CONFIG_USB_MUSB_DAVINCI)		+= davinci.o

musb_hdrc-$(CONFIG_USB_MUSB_DA8XX)		+= da8xx.o

musb_hdrc-$(CONFIG_USB_MUSB_DA8XX)		+= da8xx.o

musb_hdrc-$(CONFIG_USB_MUSB_TUSB6010)		+= tusb6010.o

musb_hdrc-$(CONFIG_USB_MUSB_BLACKFIN)		+= blackfin.o

musb_hdrc-$(CONFIG_USB_MUSB_BLACKFIN)		+= blackfin.o





obj-$(CONFIG_USB_MUSB_OMAP2PLUS)		+= omap2430.o

obj-$(CONFIG_USB_MUSB_OMAP2PLUS)		+= omap2430.o

obj-$(CONFIG_USB_MUSB_AM35X)			+= am35x.o

obj-$(CONFIG_USB_MUSB_AM35X)			+= am35x.o

obj-$(CONFIG_USB_MUSB_TUSB6010)			+= tusb6010.o





# the kconfig must guarantee that only one of the

# the kconfig must guarantee that only one of the

# possible I/O schemes will be enabled at a time ...

# possible I/O schemes will be enabled at a time ...

drivers/usb/musb/tusb6010.c

+83 −0
Original line number Original line Diff line number Diff line
@@ -21,6 +21,7 @@ 
#include <linux/usb.h>

#include <linux/usb.h>

#include <linux/irq.h>

#include <linux/irq.h>

#include <linux/platform_device.h>

#include <linux/platform_device.h>

#include <linux/dma-mapping.h>





#include "musb_core.h"

#include "musb_core.h"
@@ -1185,3 +1186,85 @@ const struct musb_platform_ops musb_ops = { 
	.vbus_status	= tusb_musb_vbus_status,

	.vbus_status	= tusb_musb_vbus_status,

	.set_vbus	= tusb_musb_set_vbus,

	.set_vbus	= tusb_musb_set_vbus,

};

};



static u64 tusb_dmamask = DMA_BIT_MASK(32);



static int __init tusb_probe(struct platform_device *pdev)

{

	struct musb_hdrc_platform_data	*pdata = pdev->dev.platform_data;

	struct platform_device		*musb;



	int				ret = -ENOMEM;



	musb = platform_device_alloc("musb-hdrc", -1);

	if (!musb) {

		dev_err(&pdev->dev, "failed to allocate musb device\n");

		goto err0;

	}



	musb->dev.parent		= &pdev->dev;

	musb->dev.dma_mask		= &tusb_dmamask;

	musb->dev.coherent_dma_mask	= tusb_dmamask;



	platform_set_drvdata(pdev, musb);



	ret = platform_device_add_resources(musb, pdev->resource,

			pdev->num_resources);

	if (ret) {

		dev_err(&pdev->dev, "failed to add resources\n");

		goto err1;

	}



	ret = platform_device_add_data(musb, pdata, sizeof(*pdata));

	if (ret) {

		dev_err(&pdev->dev, "failed to add platform_data\n");

		goto err1;

	}



	ret = platform_device_add(musb);

	if (ret) {

		dev_err(&pdev->dev, "failed to register musb device\n");

		goto err1;

	}



	return 0;



err1:

	platform_device_put(musb);



err0:

	return ret;

}



static int __exit tusb_remove(struct platform_device *pdev)

{

	struct platform_device		*musb = platform_get_drvdata(pdev);



	platform_device_del(musb);

	platform_device_put(musb);



	return 0;

}



static struct platform_driver tusb_driver = {

	.remove		= __exit_p(tusb_remove),

	.driver		= {

		.name	= "musb-tusb",

	},

};



MODULE_DESCRIPTION("TUSB6010 MUSB Glue Layer");

MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>");

MODULE_LICENSE("GPL v2");



static int __init tusb_init(void)

{

	return platform_driver_probe(&tusb_driver, tusb_probe);

}

subsys_initcall(tusb_init);



static void __exit tusb_exit(void)

{

	platform_driver_unregister(&tusb_driver);

}

module_exit(tusb_exit);