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authorTom Rini <trini@konsulko.com>2018-08-24 23:11:01 +0300
committerTom Rini <trini@konsulko.com>2018-08-24 23:11:01 +0300
commit15fd1b7903a3090a03cfe453f661822a613a91ee (patch)
tree65ab83a17440b38d1c5b61f447e309291eb2ff28 /drivers/usb/musb-new
parent8b7f04f14a1b790ff8dec0afc28a9e8477a6eb88 (diff)
parent49c752c93a785b9bad9d3fbbd52a76bec003eac5 (diff)
downloadu-boot-15fd1b7903a3090a03cfe453f661822a613a91ee.tar.xz
Merge branch 'master' of git://git.denx.de/u-boot-usb
Diffstat (limited to 'drivers/usb/musb-new')
-rw-r--r--drivers/usb/musb-new/omap2430.c596
1 files changed, 116 insertions, 480 deletions
diff --git a/drivers/usb/musb-new/omap2430.c b/drivers/usb/musb-new/omap2430.c
index 4753d79ede..342d76bd6f 100644
--- a/drivers/usb/musb-new/omap2430.c
+++ b/drivers/usb/musb-new/omap2430.c
@@ -8,201 +8,19 @@
*
* This file is part of the Inventra Controller Driver for Linux.
*/
-#ifndef __UBOOT__
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/init.h>
-#include <linux/list.h>
-#include <linux/io.h>
-#include <linux/platform_device.h>
-#include <linux/dma-mapping.h>
-#include <linux/pm_runtime.h>
-#include <linux/err.h>
-#include <linux/usb/musb-omap.h>
-#else
#include <common.h>
+#include <dm.h>
+#include <dm/device-internal.h>
+#include <dm/lists.h>
+#include <linux/usb/otg.h>
#include <asm/omap_common.h>
#include <asm/omap_musb.h>
#include <twl4030.h>
#include <twl6030.h>
#include "linux-compat.h"
-#endif
-
#include "musb_core.h"
#include "omap2430.h"
-
-#ifndef __UBOOT__
-struct omap2430_glue {
- struct device *dev;
- struct platform_device *musb;
- enum omap_musb_vbus_id_status status;
- struct work_struct omap_musb_mailbox_work;
-};
-#define glue_to_musb(g) platform_get_drvdata(g->musb)
-
-struct omap2430_glue *_glue;
-
-static struct timer_list musb_idle_timer;
-
-static void musb_do_idle(unsigned long _musb)
-{
- struct musb *musb = (void *)_musb;
- unsigned long flags;
- u8 power;
- u8 devctl;
-
- spin_lock_irqsave(&musb->lock, flags);
-
- switch (musb->xceiv->state) {
- case OTG_STATE_A_WAIT_BCON:
-
- devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
- if (devctl & MUSB_DEVCTL_BDEVICE) {
- musb->xceiv->state = OTG_STATE_B_IDLE;
- MUSB_DEV_MODE(musb);
- } else {
- musb->xceiv->state = OTG_STATE_A_IDLE;
- MUSB_HST_MODE(musb);
- }
- break;
- case OTG_STATE_A_SUSPEND:
- /* finish RESUME signaling? */
- if (musb->port1_status & MUSB_PORT_STAT_RESUME) {
- power = musb_readb(musb->mregs, MUSB_POWER);
- power &= ~MUSB_POWER_RESUME;
- dev_dbg(musb->controller, "root port resume stopped, power %02x\n", power);
- musb_writeb(musb->mregs, MUSB_POWER, power);
- musb->is_active = 1;
- musb->port1_status &= ~(USB_PORT_STAT_SUSPEND
- | MUSB_PORT_STAT_RESUME);
- musb->port1_status |= USB_PORT_STAT_C_SUSPEND << 16;
- usb_hcd_poll_rh_status(musb_to_hcd(musb));
- /* NOTE: it might really be A_WAIT_BCON ... */
- musb->xceiv->state = OTG_STATE_A_HOST;
- }
- break;
- case OTG_STATE_A_HOST:
- devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
- if (devctl & MUSB_DEVCTL_BDEVICE)
- musb->xceiv->state = OTG_STATE_B_IDLE;
- else
- musb->xceiv->state = OTG_STATE_A_WAIT_BCON;
- default:
- break;
- }
- spin_unlock_irqrestore(&musb->lock, flags);
-}
-
-
-static void omap2430_musb_try_idle(struct musb *musb, unsigned long timeout)
-{
- unsigned long default_timeout = jiffies + msecs_to_jiffies(3);
- static unsigned long last_timer;
-
- if (timeout == 0)
- timeout = default_timeout;
-
- /* Never idle if active, or when VBUS timeout is not set as host */
- if (musb->is_active || ((musb->a_wait_bcon == 0)
- && (musb->xceiv->state == OTG_STATE_A_WAIT_BCON))) {
- dev_dbg(musb->controller, "%s active, deleting timer\n",
- otg_state_string(musb->xceiv->state));
- del_timer(&musb_idle_timer);
- last_timer = jiffies;
- return;
- }
-
- if (time_after(last_timer, timeout)) {
- if (!timer_pending(&musb_idle_timer))
- last_timer = timeout;
- else {
- dev_dbg(musb->controller, "Longer idle timer already pending, ignoring\n");
- return;
- }
- }
- last_timer = timeout;
-
- dev_dbg(musb->controller, "%s inactive, for idle timer for %lu ms\n",
- otg_state_string(musb->xceiv->state),
- (unsigned long)jiffies_to_msecs(timeout - jiffies));
- mod_timer(&musb_idle_timer, timeout);
-}
-
-static void omap2430_musb_set_vbus(struct musb *musb, int is_on)
-{
- struct usb_otg *otg = musb->xceiv->otg;
- u8 devctl;
- unsigned long timeout = jiffies + msecs_to_jiffies(1000);
- int ret = 1;
- /* HDRC controls CPEN, but beware current surges during device
- * connect. They can trigger transient overcurrent conditions
- * that must be ignored.
- */
-
- devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
-
- if (is_on) {
- if (musb->xceiv->state == OTG_STATE_A_IDLE) {
- /* start the session */
- devctl |= MUSB_DEVCTL_SESSION;
- musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);
- /*
- * Wait for the musb to set as A device to enable the
- * VBUS
- */
- while (musb_readb(musb->mregs, MUSB_DEVCTL) & 0x80) {
-
- cpu_relax();
-
- if (time_after(jiffies, timeout)) {
- dev_err(musb->controller,
- "configured as A device timeout");
- ret = -EINVAL;
- break;
- }
- }
-
- if (ret && otg->set_vbus)
- otg_set_vbus(otg, 1);
- } else {
- musb->is_active = 1;
- otg->default_a = 1;
- musb->xceiv->state = OTG_STATE_A_WAIT_VRISE;
- devctl |= MUSB_DEVCTL_SESSION;
- MUSB_HST_MODE(musb);
- }
- } else {
- musb->is_active = 0;
-
- /* NOTE: we're skipping A_WAIT_VFALL -> A_IDLE and
- * jumping right to B_IDLE...
- */
-
- otg->default_a = 0;
- musb->xceiv->state = OTG_STATE_B_IDLE;
- devctl &= ~MUSB_DEVCTL_SESSION;
-
- MUSB_DEV_MODE(musb);
- }
- musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);
-
- dev_dbg(musb->controller, "VBUS %s, devctl %02x "
- /* otg %3x conf %08x prcm %08x */ "\n",
- otg_state_string(musb->xceiv->state),
- musb_readb(musb->mregs, MUSB_DEVCTL));
-}
-
-static int omap2430_musb_set_mode(struct musb *musb, u8 musb_mode)
-{
- u8 devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
-
- devctl |= MUSB_DEVCTL_SESSION;
- musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);
-
- return 0;
-}
-#endif
+#include "musb_uboot.h"
static inline void omap2430_low_level_exit(struct musb *musb)
{
@@ -223,100 +41,15 @@ static inline void omap2430_low_level_init(struct musb *musb)
musb_writel(musb->mregs, OTG_FORCESTDBY, l);
}
-#ifndef __UBOOT__
-void omap_musb_mailbox(enum omap_musb_vbus_id_status status)
-{
- struct omap2430_glue *glue = _glue;
- struct musb *musb = glue_to_musb(glue);
-
- glue->status = status;
- if (!musb) {
- dev_err(glue->dev, "musb core is not yet ready\n");
- return;
- }
-
- schedule_work(&glue->omap_musb_mailbox_work);
-}
-EXPORT_SYMBOL_GPL(omap_musb_mailbox);
-
-static void omap_musb_set_mailbox(struct omap2430_glue *glue)
-{
- struct musb *musb = glue_to_musb(glue);
- struct device *dev = musb->controller;
- struct musb_hdrc_platform_data *pdata = dev->platform_data;
- struct omap_musb_board_data *data = pdata->board_data;
- struct usb_otg *otg = musb->xceiv->otg;
-
- switch (glue->status) {
- case OMAP_MUSB_ID_GROUND:
- dev_dbg(dev, "ID GND\n");
-
- otg->default_a = true;
- musb->xceiv->state = OTG_STATE_A_IDLE;
- musb->xceiv->last_event = USB_EVENT_ID;
- if (!is_otg_enabled(musb) || musb->gadget_driver) {
- pm_runtime_get_sync(dev);
- usb_phy_init(musb->xceiv);
- omap2430_musb_set_vbus(musb, 1);
- }
- break;
-
- case OMAP_MUSB_VBUS_VALID:
- dev_dbg(dev, "VBUS Connect\n");
-
- otg->default_a = false;
- musb->xceiv->state = OTG_STATE_B_IDLE;
- musb->xceiv->last_event = USB_EVENT_VBUS;
- if (musb->gadget_driver)
- pm_runtime_get_sync(dev);
- usb_phy_init(musb->xceiv);
- break;
-
- case OMAP_MUSB_ID_FLOAT:
- case OMAP_MUSB_VBUS_OFF:
- dev_dbg(dev, "VBUS Disconnect\n");
-
- musb->xceiv->last_event = USB_EVENT_NONE;
- if (is_otg_enabled(musb) || is_peripheral_enabled(musb))
- if (musb->gadget_driver) {
- pm_runtime_mark_last_busy(dev);
- pm_runtime_put_autosuspend(dev);
- }
-
- if (data->interface_type == MUSB_INTERFACE_UTMI) {
- if (musb->xceiv->otg->set_vbus)
- otg_set_vbus(musb->xceiv->otg, 0);
- }
- usb_phy_shutdown(musb->xceiv);
- break;
- default:
- dev_dbg(dev, "ID float\n");
- }
-}
-
-
-static void omap_musb_mailbox_work(struct work_struct *mailbox_work)
-{
- struct omap2430_glue *glue = container_of(mailbox_work,
- struct omap2430_glue, omap_musb_mailbox_work);
- omap_musb_set_mailbox(glue);
-}
-#endif
static int omap2430_musb_init(struct musb *musb)
{
u32 l;
int status = 0;
unsigned long int start;
-#ifndef __UBOOT__
- struct device *dev = musb->controller;
- struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
- struct musb_hdrc_platform_data *plat = dev->platform_data;
- struct omap_musb_board_data *data = plat->board_data;
-#else
+
struct omap_musb_board_data *data =
(struct omap_musb_board_data *)musb->controller;
-#endif
/* Reset the controller */
musb_writel(musb->mregs, OTG_SYSCONFIG, SOFTRST);
@@ -334,24 +67,6 @@ static int omap2430_musb_init(struct musb *musb)
}
}
-#ifndef __UBOOT__
- /* We require some kind of external transceiver, hooked
- * up through ULPI. TWL4030-family PMICs include one,
- * which needs a driver, drivers aren't always needed.
- */
- musb->xceiv = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2);
- if (IS_ERR_OR_NULL(musb->xceiv)) {
- pr_err("HS USB OTG: no transceiver configured\n");
- return -ENODEV;
- }
-
- status = pm_runtime_get_sync(dev);
- if (status < 0) {
- dev_err(dev, "pm_runtime_get_sync FAILED %d\n", status);
- goto err1;
- }
-#endif
-
l = musb_readl(musb->mregs, OTG_INTERFSEL);
if (data->interface_type == MUSB_INTERFACE_UTMI) {
@@ -371,64 +86,14 @@ static int omap2430_musb_init(struct musb *musb)
musb_readl(musb->mregs, OTG_SYSSTATUS),
musb_readl(musb->mregs, OTG_INTERFSEL),
musb_readl(musb->mregs, OTG_SIMENABLE));
-
-#ifndef __UBOOT__
- setup_timer(&musb_idle_timer, musb_do_idle, (unsigned long) musb);
-
- if (glue->status != OMAP_MUSB_UNKNOWN)
- omap_musb_set_mailbox(glue);
-
- pm_runtime_put_noidle(musb->controller);
-#endif
return 0;
err1:
return status;
}
-#ifndef __UBOOT__
-static void omap2430_musb_enable(struct musb *musb)
-#else
static int omap2430_musb_enable(struct musb *musb)
-#endif
{
-#ifndef __UBOOT__
- u8 devctl;
- unsigned long timeout = jiffies + msecs_to_jiffies(1000);
- struct device *dev = musb->controller;
- struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
- struct musb_hdrc_platform_data *pdata = dev->platform_data;
- struct omap_musb_board_data *data = pdata->board_data;
-
- switch (glue->status) {
-
- case OMAP_MUSB_ID_GROUND:
- usb_phy_init(musb->xceiv);
- if (data->interface_type != MUSB_INTERFACE_UTMI)
- break;
- devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
- /* start the session */
- devctl |= MUSB_DEVCTL_SESSION;
- musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);
- while (musb_readb(musb->mregs, MUSB_DEVCTL) &
- MUSB_DEVCTL_BDEVICE) {
- cpu_relax();
-
- if (time_after(jiffies, timeout)) {
- dev_err(dev, "configured as A device timeout");
- break;
- }
- }
- break;
-
- case OMAP_MUSB_VBUS_VALID:
- usb_phy_init(musb->xceiv);
- break;
-
- default:
- break;
- }
-#else
#ifdef CONFIG_TWL4030_USB
if (twl4030_usb_ulpi_init()) {
serial_printf("ERROR: %s Could not initialize PHY\n",
@@ -447,18 +112,11 @@ static int omap2430_musb_enable(struct musb *musb)
#endif
return 0;
-#endif
}
static void omap2430_musb_disable(struct musb *musb)
{
-#ifndef __UBOOT__
- struct device *dev = musb->controller;
- struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
- if (glue->status != OMAP_MUSB_UNKNOWN)
- usb_phy_shutdown(musb->xceiv);
-#endif
}
static int omap2430_musb_exit(struct musb *musb)
@@ -470,174 +128,152 @@ static int omap2430_musb_exit(struct musb *musb)
return 0;
}
-#ifndef __UBOOT__
-static const struct musb_platform_ops omap2430_ops = {
-#else
const struct musb_platform_ops omap2430_ops = {
-#endif
.init = omap2430_musb_init,
.exit = omap2430_musb_exit,
-
-#ifndef __UBOOT__
- .set_mode = omap2430_musb_set_mode,
- .try_idle = omap2430_musb_try_idle,
-
- .set_vbus = omap2430_musb_set_vbus,
-#endif
-
.enable = omap2430_musb_enable,
.disable = omap2430_musb_disable,
};
-#ifndef __UBOOT__
-static u64 omap2430_dmamask = DMA_BIT_MASK(32);
+#if defined(CONFIG_DM_USB)
+
+struct omap2430_musb_platdata {
+ void *base;
+ void *ctrl_mod_base;
+ struct musb_hdrc_platform_data plat;
+ struct musb_hdrc_config musb_config;
+ struct omap_musb_board_data otg_board_data;
+};
-static int __devinit omap2430_probe(struct platform_device *pdev)
+static int omap2430_musb_ofdata_to_platdata(struct udevice *dev)
{
- struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data;
- struct platform_device *musb;
- struct omap2430_glue *glue;
- int ret = -ENOMEM;
-
- glue = devm_kzalloc(&pdev->dev, sizeof(*glue), GFP_KERNEL);
- if (!glue) {
- dev_err(&pdev->dev, "failed to allocate glue context\n");
- goto err0;
+ struct omap2430_musb_platdata *platdata = dev_get_platdata(dev);
+ const void *fdt = gd->fdt_blob;
+ int node = dev_of_offset(dev);
+
+ platdata->base = (void *)dev_read_addr_ptr(dev);
+
+ platdata->musb_config.multipoint = fdtdec_get_int(fdt, node,
+ "multipoint",
+ -1);
+ if (platdata->musb_config.multipoint < 0) {
+ pr_err("MUSB multipoint DT entry missing\n");
+ return -ENOENT;
}
- musb = platform_device_alloc("musb-hdrc", -1);
- if (!musb) {
- dev_err(&pdev->dev, "failed to allocate musb device\n");
- goto err0;
+ platdata->musb_config.dyn_fifo = 1;
+ platdata->musb_config.num_eps = fdtdec_get_int(fdt, node,
+ "num-eps", -1);
+ if (platdata->musb_config.num_eps < 0) {
+ pr_err("MUSB num-eps DT entry missing\n");
+ return -ENOENT;
}
- musb->dev.parent = &pdev->dev;
- musb->dev.dma_mask = &omap2430_dmamask;
- musb->dev.coherent_dma_mask = omap2430_dmamask;
-
- glue->dev = &pdev->dev;
- glue->musb = musb;
- glue->status = OMAP_MUSB_UNKNOWN;
-
- pdata->platform_ops = &omap2430_ops;
-
- platform_set_drvdata(pdev, glue);
-
- /*
- * REVISIT if we ever have two instances of the wrapper, we will be
- * in big trouble
- */
- _glue = glue;
-
- INIT_WORK(&glue->omap_musb_mailbox_work, omap_musb_mailbox_work);
-
- ret = platform_device_add_resources(musb, pdev->resource,
- pdev->num_resources);
- if (ret) {
- dev_err(&pdev->dev, "failed to add resources\n");
- goto err1;
+ platdata->musb_config.ram_bits = fdtdec_get_int(fdt, node,
+ "ram-bits", -1);
+ if (platdata->musb_config.ram_bits < 0) {
+ pr_err("MUSB ram-bits DT entry missing\n");
+ return -ENOENT;
}
- ret = platform_device_add_data(musb, pdata, sizeof(*pdata));
- if (ret) {
- dev_err(&pdev->dev, "failed to add platform_data\n");
- goto err1;
+ platdata->plat.power = fdtdec_get_int(fdt, node,
+ "power", -1);
+ if (platdata->plat.power < 0) {
+ pr_err("MUSB power DT entry missing\n");
+ return -ENOENT;
}
- pm_runtime_enable(&pdev->dev);
-
- ret = platform_device_add(musb);
- if (ret) {
- dev_err(&pdev->dev, "failed to register musb device\n");
- goto err1;
+ platdata->otg_board_data.interface_type = fdtdec_get_int(fdt, node,
+ "interface-type", -1);
+ if (platdata->otg_board_data.interface_type < 0) {
+ pr_err("MUSB interface-type DT entry missing\n");
+ return -ENOENT;
}
- return 0;
-
-err1:
- platform_device_put(musb);
-
-err0:
- return ret;
-}
-
-static int __devexit omap2430_remove(struct platform_device *pdev)
-{
- struct omap2430_glue *glue = platform_get_drvdata(pdev);
-
- cancel_work_sync(&glue->omap_musb_mailbox_work);
- platform_device_del(glue->musb);
- platform_device_put(glue->musb);
-
+#if 0 /* In a perfect world, mode would be set to OTG, mode 3 from DT */
+ platdata->plat.mode = fdtdec_get_int(fdt, node,
+ "mode", -1);
+ if (platdata->plat.mode < 0) {
+ pr_err("MUSB mode DT entry missing\n");
+ return -ENOENT;
+ }
+#else /* MUSB_OTG, it doesn't work */
+#ifdef CONFIG_USB_MUSB_HOST /* Host seems to be the only option that works */
+ platdata->plat.mode = MUSB_HOST;
+#else /* For that matter, MUSB_PERIPHERAL doesn't either */
+ platdata->plat.mode = MUSB_PERIPHERAL;
+#endif
+#endif
+ platdata->otg_board_data.dev = dev;
+ platdata->plat.config = &platdata->musb_config;
+ platdata->plat.platform_ops = &omap2430_ops;
+ platdata->plat.board_data = &platdata->otg_board_data;
return 0;
}
-#ifdef CONFIG_PM
-
-static int omap2430_runtime_suspend(struct device *dev)
+static int omap2430_musb_probe(struct udevice *dev)
{
- struct omap2430_glue *glue = dev_get_drvdata(dev);
- struct musb *musb = glue_to_musb(glue);
-
- if (musb) {
- musb->context.otg_interfsel = musb_readl(musb->mregs,
- OTG_INTERFSEL);
-
- omap2430_low_level_exit(musb);
- usb_phy_set_suspend(musb->xceiv, 1);
+#ifdef CONFIG_USB_MUSB_HOST
+ struct musb_host_data *host = dev_get_priv(dev);
+#endif
+ struct omap2430_musb_platdata *platdata = dev_get_platdata(dev);
+ struct usb_bus_priv *priv = dev_get_uclass_priv(dev);
+ struct omap_musb_board_data *otg_board_data;
+ int ret;
+ void *base = dev_read_addr_ptr(dev);
+
+ priv->desc_before_addr = true;
+
+ otg_board_data = &platdata->otg_board_data;
+
+#ifdef CONFIG_USB_MUSB_HOST
+ host->host = musb_init_controller(&platdata->plat,
+ (struct device *)otg_board_data,
+ platdata->base);
+ if (!host->host) {
+ return -EIO;
}
- return 0;
+ ret = musb_lowlevel_init(host);
+#else
+ ret = musb_register(&platdata->plat,
+ (struct device *)otg_board_data,
+ platdata->base);
+#endif
+ return ret;
}
-static int omap2430_runtime_resume(struct device *dev)
+static int omap2430_musb_remove(struct udevice *dev)
{
- struct omap2430_glue *glue = dev_get_drvdata(dev);
- struct musb *musb = glue_to_musb(glue);
+ struct musb_host_data *host = dev_get_priv(dev);
- if (musb) {
- omap2430_low_level_init(musb);
- musb_writel(musb->mregs, OTG_INTERFSEL,
- musb->context.otg_interfsel);
-
- usb_phy_set_suspend(musb->xceiv, 0);
- }
+ musb_stop(host->host);
return 0;
}
-static struct dev_pm_ops omap2430_pm_ops = {
- .runtime_suspend = omap2430_runtime_suspend,
- .runtime_resume = omap2430_runtime_resume,
+static const struct udevice_id omap2430_musb_ids[] = {
+ { .compatible = "ti,omap3-musb" },
+ { .compatible = "ti,omap4-musb" },
+ { }
};
-#define DEV_PM_OPS (&omap2430_pm_ops)
+U_BOOT_DRIVER(omap2430_musb) = {
+ .name = "omap2430-musb",
+#ifdef CONFIG_USB_MUSB_HOST
+ .id = UCLASS_USB,
#else
-#define DEV_PM_OPS NULL
+ .id = UCLASS_USB_DEV_GENERIC,
#endif
-
-static struct platform_driver omap2430_driver = {
- .probe = omap2430_probe,
- .remove = __devexit_p(omap2430_remove),
- .driver = {
- .name = "musb-omap2430",
- .pm = DEV_PM_OPS,
- },
+ .of_match = omap2430_musb_ids,
+ .ofdata_to_platdata = omap2430_musb_ofdata_to_platdata,
+ .probe = omap2430_musb_probe,
+ .remove = omap2430_musb_remove,
+#ifdef CONFIG_USB_MUSB_HOST
+ .ops = &musb_usb_ops,
+#endif
+ .platdata_auto_alloc_size = sizeof(struct omap2430_musb_platdata),
+ .priv_auto_alloc_size = sizeof(struct musb_host_data),
};
-MODULE_DESCRIPTION("OMAP2PLUS MUSB Glue Layer");
-MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>");
-MODULE_LICENSE("GPL v2");
-
-static int __init omap2430_init(void)
-{
- return platform_driver_register(&omap2430_driver);
-}
-subsys_initcall(omap2430_init);
-
-static void __exit omap2430_exit(void)
-{
- platform_driver_unregister(&omap2430_driver);
-}
-module_exit(omap2430_exit);
-#endif
+#endif /* CONFIG_DM_USB */