From 032ec49f5351e9cb242b1a1c367d14415043ab95 Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Thu, 24 Nov 2011 15:46:26 +0200 Subject: usb: musb: drop useless board_mode usage we are compiling the driver always with full OTG capabilities, so that board_mode trick becomes useless. Signed-off-by: Felipe Balbi --- drivers/usb/musb/musb_dsps.c | 26 ++++++++------------------ 1 file changed, 8 insertions(+), 18 deletions(-) (limited to 'drivers/usb/musb/musb_dsps.c') diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index 217808d9fbe1..51ff1bbff381 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -137,9 +137,8 @@ static void dsps_musb_enable(struct musb *musb) dsps_writel(reg_base, wrp->epintr_set, epmask); dsps_writel(reg_base, wrp->coreintr_set, coremask); /* Force the DRVVBUS IRQ so we can start polling for ID change. */ - if (is_otg_enabled(musb)) - dsps_writel(reg_base, wrp->coreintr_set, - (1 << wrp->drvvbus) << wrp->usb_shift); + dsps_writel(reg_base, wrp->coreintr_set, + (1 << wrp->drvvbus) << wrp->usb_shift); } /** @@ -200,9 +199,6 @@ static void otg_timer(unsigned long _musb) MUSB_INTR_VBUSERROR << wrp->usb_shift); break; case OTG_STATE_B_IDLE: - if (!is_peripheral_enabled(musb)) - break; - devctl = dsps_readb(mregs, MUSB_DEVCTL); if (devctl & MUSB_DEVCTL_BDEVICE) mod_timer(&glue->timer, @@ -223,9 +219,6 @@ static void dsps_musb_try_idle(struct musb *musb, unsigned long timeout) struct dsps_glue *glue = platform_get_drvdata(pdev); static unsigned long last_timer; - if (!is_otg_enabled(musb)) - return; - if (timeout == 0) timeout = jiffies + msecs_to_jiffies(3); @@ -293,7 +286,7 @@ static irqreturn_t dsps_interrupt(int irq, void *hci) * value but DEVCTL.BDEVICE is invalid without DEVCTL.SESSION set. * Also, DRVVBUS pulses for SRP (but not at 5V) ... */ - if ((usbintr & MUSB_INTR_BABBLE) && is_host_enabled(musb)) + if (usbintr & MUSB_INTR_BABBLE) pr_info("CAUTION: musb: Babble Interrupt Occured\n"); if (usbintr & ((1 << wrp->drvvbus) << wrp->usb_shift)) { @@ -302,8 +295,7 @@ static irqreturn_t dsps_interrupt(int irq, void *hci) u8 devctl = dsps_readb(mregs, MUSB_DEVCTL); int err; - err = is_host_enabled(musb) && (musb->int_usb & - MUSB_INTR_VBUSERROR); + err = musb->int_usb & MUSB_INTR_VBUSERROR; if (err) { /* * The Mentor core doesn't debounce VBUS as needed @@ -321,7 +313,7 @@ static irqreturn_t dsps_interrupt(int irq, void *hci) mod_timer(&glue->timer, jiffies + wrp->poll_seconds * HZ); WARNING("VBUS error workaround (delay coming)\n"); - } else if (is_host_enabled(musb) && drvvbus) { + } else if (drvvbus) { musb->is_active = 1; MUSB_HST_MODE(musb); musb->xceiv->otg->default_a = 1; @@ -352,7 +344,7 @@ static irqreturn_t dsps_interrupt(int irq, void *hci) dsps_writel(reg_base, wrp->eoi, 1); /* Poll for ID change */ - if (is_otg_enabled(musb) && musb->xceiv->state == OTG_STATE_B_IDLE) + if (musb->xceiv->state == OTG_STATE_B_IDLE) mod_timer(&glue->timer, jiffies + wrp->poll_seconds * HZ); spin_unlock_irqrestore(&musb->lock, flags); @@ -388,8 +380,7 @@ static int dsps_musb_init(struct musb *musb) goto err0; } - if (is_host_enabled(musb)) - setup_timer(&glue->timer, otg_timer, (unsigned long) musb); + setup_timer(&glue->timer, otg_timer, (unsigned long) musb); /* Reset the musb */ dsps_writel(reg_base, wrp->control, (1 << wrp->reset)); @@ -423,8 +414,7 @@ static int dsps_musb_exit(struct musb *musb) struct platform_device *pdev = to_platform_device(dev->parent); struct dsps_glue *glue = platform_get_drvdata(pdev); - if (is_host_enabled(musb)) - del_timer_sync(&glue->timer); + del_timer_sync(&glue->timer); /* Shutdown the on-chip PHY and its PLL. */ if (data->set_phy_power) -- cgit v1.2.1 From 65b3d52d02a558fbfe08e43688e15390c5ab3067 Mon Sep 17 00:00:00 2001 From: "B, Ravi" Date: Fri, 31 Aug 2012 11:09:49 +0000 Subject: usb: musb: add musb_ida for multi instance support Added musb_ida in musb_core.c to manage the multi core ids. Signed-off-by: Ravi Babu Signed-off-by: Ajay Kumar Gupta Signed-off-by: Santhapuri, Damodar Signed-off-by: Felipe Balbi --- drivers/usb/musb/musb_dsps.c | 25 ++++++++++++++++++------- 1 file changed, 18 insertions(+), 7 deletions(-) (limited to 'drivers/usb/musb/musb_dsps.c') diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index 51ff1bbff381..5351e960d650 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -448,7 +448,7 @@ static int __devinit dsps_create_musb_pdev(struct dsps_glue *glue, u8 id) struct resource *res; struct resource resources[2]; char res_name[10]; - int ret; + int ret, musbid; /* get memory resource */ sprintf(res_name, "musb%d", id); @@ -473,14 +473,22 @@ static int __devinit dsps_create_musb_pdev(struct dsps_glue *glue, u8 id) res->parent = NULL; resources[1] = *res; + /* get the musb id */ + musbid = musb_get_id(dev, GFP_KERNEL); + if (musbid < 0) { + dev_err(dev, "failed to allocate musb id\n"); + ret = -ENOMEM; + goto err0; + } /* allocate the child platform device */ - musb = platform_device_alloc("musb-hdrc", -1); + musb = platform_device_alloc("musb-hdrc", musbid); if (!musb) { dev_err(dev, "failed to allocate musb device\n"); ret = -ENOMEM; - goto err0; + goto err1; } + musb->id = musbid; musb->dev.parent = dev; musb->dev.dma_mask = &musb_dmamask; musb->dev.coherent_dma_mask = musb_dmamask; @@ -492,31 +500,34 @@ static int __devinit dsps_create_musb_pdev(struct dsps_glue *glue, u8 id) ret = platform_device_add_resources(musb, resources, 2); if (ret) { dev_err(dev, "failed to add resources\n"); - goto err1; + goto err2; } ret = platform_device_add_data(musb, pdata, sizeof(*pdata)); if (ret) { dev_err(dev, "failed to add platform_data\n"); - goto err1; + goto err2; } ret = platform_device_add(musb); if (ret) { dev_err(dev, "failed to register musb device\n"); - goto err1; + goto err2; } return 0; -err1: +err2: platform_device_put(musb); +err1: + musb_put_id(dev, musbid); err0: return ret; } static void __devexit dsps_delete_musb_pdev(struct dsps_glue *glue) { + musb_put_id(glue->dev, glue->musb->id); platform_device_del(glue->musb); platform_device_put(glue->musb); } -- cgit v1.2.1 From db4a93202e086dbdb5789149666dbbff48f708bf Mon Sep 17 00:00:00 2001 From: "B, Ravi" Date: Fri, 31 Aug 2012 11:09:51 +0000 Subject: usb: musb: am335x: add support for dual instance AM335x and TI81xx platform has dual musb controller so updating the musb_dspc.c to support the same. Changes: - Moved otg_workaround timer to glue structure - Moved static local variable last_timer to glue structure - PHY on/off related cleanups Signed-off-by: Ravi Babu Signed-off-by: Ajay Kumar Gupta Signed-off-by: Santhapuri, Damodar [afzal@ti.com: remove control module related modifications] Signed-off-by: Afzal Mohammed Signed-off-by: Felipe Balbi --- drivers/usb/musb/musb_dsps.c | 81 +++++++++++++++++++++++++++----------------- 1 file changed, 49 insertions(+), 32 deletions(-) (limited to 'drivers/usb/musb/musb_dsps.c') diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index 5351e960d650..796fc6085fce 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -105,6 +105,8 @@ struct dsps_musb_wrapper { /* miscellaneous stuff */ u32 musb_core_offset; u8 poll_seconds; + /* number of musb instances */ + u8 instances; }; /** @@ -112,9 +114,10 @@ struct dsps_musb_wrapper { */ struct dsps_glue { struct device *dev; - struct platform_device *musb; /* child musb pdev */ + struct platform_device *musb[2]; /* child musb pdev */ const struct dsps_musb_wrapper *wrp; /* wrapper register offsets */ - struct timer_list timer; /* otg_workaround timer */ + struct timer_list timer[2]; /* otg_workaround timer */ + unsigned long last_timer[2]; /* last timer data for each instance */ }; /** @@ -164,8 +167,8 @@ static void otg_timer(unsigned long _musb) struct musb *musb = (void *)_musb; void __iomem *mregs = musb->mregs; struct device *dev = musb->controller; - struct platform_device *pdev = to_platform_device(dev->parent); - struct dsps_glue *glue = platform_get_drvdata(pdev); + struct platform_device *pdev = to_platform_device(dev); + struct dsps_glue *glue = dev_get_drvdata(dev->parent); const struct dsps_musb_wrapper *wrp = glue->wrp; u8 devctl; unsigned long flags; @@ -201,7 +204,7 @@ static void otg_timer(unsigned long _musb) case OTG_STATE_B_IDLE: devctl = dsps_readb(mregs, MUSB_DEVCTL); if (devctl & MUSB_DEVCTL_BDEVICE) - mod_timer(&glue->timer, + mod_timer(&glue->timer[pdev->id], jiffies + wrp->poll_seconds * HZ); else musb->xceiv->state = OTG_STATE_A_IDLE; @@ -215,9 +218,8 @@ static void otg_timer(unsigned long _musb) static void dsps_musb_try_idle(struct musb *musb, unsigned long timeout) { struct device *dev = musb->controller; - struct platform_device *pdev = to_platform_device(dev->parent); - struct dsps_glue *glue = platform_get_drvdata(pdev); - static unsigned long last_timer; + struct platform_device *pdev = to_platform_device(dev); + struct dsps_glue *glue = dev_get_drvdata(dev->parent); if (timeout == 0) timeout = jiffies + msecs_to_jiffies(3); @@ -227,22 +229,23 @@ static void dsps_musb_try_idle(struct musb *musb, unsigned long timeout) 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(&glue->timer); - last_timer = jiffies; + del_timer(&glue->timer[pdev->id]); + glue->last_timer[pdev->id] = jiffies; return; } - if (time_after(last_timer, timeout) && timer_pending(&glue->timer)) { + if (time_after(glue->last_timer[pdev->id], timeout) && + timer_pending(&glue->timer[pdev->id])) { dev_dbg(musb->controller, "Longer idle timer already pending, ignoring...\n"); return; } - last_timer = timeout; + glue->last_timer[pdev->id] = timeout; dev_dbg(musb->controller, "%s inactive, starting idle timer for %u ms\n", otg_state_string(musb->xceiv->state), jiffies_to_msecs(timeout - jiffies)); - mod_timer(&glue->timer, timeout); + mod_timer(&glue->timer[pdev->id], timeout); } static irqreturn_t dsps_interrupt(int irq, void *hci) @@ -250,8 +253,8 @@ static irqreturn_t dsps_interrupt(int irq, void *hci) struct musb *musb = hci; void __iomem *reg_base = musb->ctrl_base; struct device *dev = musb->controller; - struct platform_device *pdev = to_platform_device(dev->parent); - struct dsps_glue *glue = platform_get_drvdata(pdev); + struct platform_device *pdev = to_platform_device(dev); + struct dsps_glue *glue = dev_get_drvdata(dev->parent); const struct dsps_musb_wrapper *wrp = glue->wrp; unsigned long flags; irqreturn_t ret = IRQ_NONE; @@ -310,7 +313,7 @@ static irqreturn_t dsps_interrupt(int irq, void *hci) */ musb->int_usb &= ~MUSB_INTR_VBUSERROR; musb->xceiv->state = OTG_STATE_A_WAIT_VFALL; - mod_timer(&glue->timer, + mod_timer(&glue->timer[pdev->id], jiffies + wrp->poll_seconds * HZ); WARNING("VBUS error workaround (delay coming)\n"); } else if (drvvbus) { @@ -318,7 +321,7 @@ static irqreturn_t dsps_interrupt(int irq, void *hci) MUSB_HST_MODE(musb); musb->xceiv->otg->default_a = 1; musb->xceiv->state = OTG_STATE_A_WAIT_VRISE; - del_timer(&glue->timer); + del_timer(&glue->timer[pdev->id]); } else { musb->is_active = 0; MUSB_DEV_MODE(musb); @@ -345,7 +348,8 @@ static irqreturn_t dsps_interrupt(int irq, void *hci) /* Poll for ID change */ if (musb->xceiv->state == OTG_STATE_B_IDLE) - mod_timer(&glue->timer, jiffies + wrp->poll_seconds * HZ); + mod_timer(&glue->timer[pdev->id], + jiffies + wrp->poll_seconds * HZ); spin_unlock_irqrestore(&musb->lock, flags); @@ -356,8 +360,8 @@ static int dsps_musb_init(struct musb *musb) { struct device *dev = musb->controller; struct musb_hdrc_platform_data *plat = dev->platform_data; - struct platform_device *pdev = to_platform_device(dev->parent); - struct dsps_glue *glue = platform_get_drvdata(pdev); + struct platform_device *pdev = to_platform_device(dev); + struct dsps_glue *glue = dev_get_drvdata(dev->parent); const struct dsps_musb_wrapper *wrp = glue->wrp; struct omap_musb_board_data *data = plat->board_data; void __iomem *reg_base = musb->ctrl_base; @@ -380,7 +384,7 @@ static int dsps_musb_init(struct musb *musb) goto err0; } - setup_timer(&glue->timer, otg_timer, (unsigned long) musb); + setup_timer(&glue->timer[pdev->id], otg_timer, (unsigned long) musb); /* Reset the musb */ dsps_writel(reg_base, wrp->control, (1 << wrp->reset)); @@ -411,10 +415,10 @@ static int dsps_musb_exit(struct musb *musb) struct device *dev = musb->controller; struct musb_hdrc_platform_data *plat = dev->platform_data; struct omap_musb_board_data *data = plat->board_data; - struct platform_device *pdev = to_platform_device(dev->parent); - struct dsps_glue *glue = platform_get_drvdata(pdev); + struct platform_device *pdev = to_platform_device(dev); + struct dsps_glue *glue = dev_get_drvdata(dev->parent); - del_timer_sync(&glue->timer); + del_timer_sync(&glue->timer[pdev->id]); /* Shutdown the on-chip PHY and its PLL. */ if (data->set_phy_power) @@ -493,7 +497,7 @@ static int __devinit dsps_create_musb_pdev(struct dsps_glue *glue, u8 id) musb->dev.dma_mask = &musb_dmamask; musb->dev.coherent_dma_mask = musb_dmamask; - glue->musb = musb; + glue->musb[id] = musb; pdata->platform_ops = &dsps_ops; @@ -525,11 +529,11 @@ err0: return ret; } -static void __devexit dsps_delete_musb_pdev(struct dsps_glue *glue) +static void dsps_delete_musb_pdev(struct dsps_glue *glue, u8 id) { - musb_put_id(glue->dev, glue->musb->id); - platform_device_del(glue->musb); - platform_device_put(glue->musb); + musb_put_id(glue->dev, glue->musb[id]->id); + platform_device_del(glue->musb[id]); + platform_device_put(glue->musb[id]); } static int __devinit dsps_probe(struct platform_device *pdev) @@ -539,7 +543,7 @@ static int __devinit dsps_probe(struct platform_device *pdev) (struct dsps_musb_wrapper *)id->driver_data; struct dsps_glue *glue; struct resource *iomem; - int ret; + int ret, i; /* allocate glue */ glue = kzalloc(sizeof(*glue), GFP_KERNEL); @@ -580,7 +584,16 @@ static int __devinit dsps_probe(struct platform_device *pdev) ret = pm_runtime_get_sync(&pdev->dev); if (ret < 0) { dev_err(&pdev->dev, "pm_runtime_get_sync FAILED"); - goto err3; + /* create the child platform device for all instances of musb */ + for (i = 0; i < wrp->instances ; i++) { + ret = dsps_create_musb_pdev(glue, i); + if (ret != 0) { + dev_err(&pdev->dev, "failed to create child pdev\n"); + /* release resources of previously created instances */ + for (i--; i >= 0 ; i--) + dsps_delete_musb_pdev(glue, i); + goto err3; + } } return 0; @@ -597,9 +610,12 @@ err0: static int __devexit dsps_remove(struct platform_device *pdev) { struct dsps_glue *glue = platform_get_drvdata(pdev); + const struct dsps_musb_wrapper *wrp = glue->wrp; + int i; /* delete the child platform device */ - dsps_delete_musb_pdev(glue); + for (i = 0; i < wrp->instances ; i++) + dsps_delete_musb_pdev(glue, i); /* disable usbss clocks */ pm_runtime_put(&pdev->dev); @@ -665,6 +681,7 @@ static const struct dsps_musb_wrapper ti81xx_driver_data __devinitconst = { .rxep_bitmap = (0xfffe << 16), .musb_core_offset = 0x400, .poll_seconds = 2, + .instances = 2, }; static const struct platform_device_id musb_dsps_id_table[] __devinitconst = { -- cgit v1.2.1 From 65145677a65c31a8fd2704e244801bdb11061f9a Mon Sep 17 00:00:00 2001 From: Ajay Kumar Gupta Date: Fri, 31 Aug 2012 11:09:53 +0000 Subject: usb: musb: dsps: add dt support Added device tree support for dsps musb glue driver and updated the Documentation with device tree binding information. Signed-off-by: Ajay Kumar Gupta Signed-off-by: Santhapuri, Damodar Signed-off-by: Ravi Babu [afzal@ti.com: use '-' instead of '_' for dt properties] Signed-off-by: Afzal Mohammed Signed-off-by: Felipe Balbi --- drivers/usb/musb/musb_dsps.c | 60 +++++++++++++++++++++++++++++++++++++------- 1 file changed, 51 insertions(+), 9 deletions(-) (limited to 'drivers/usb/musb/musb_dsps.c') diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index 796fc6085fce..b8aecbba7407 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -31,6 +31,7 @@ #include #include +#include #include #include #include @@ -45,6 +46,10 @@ #include "musb_core.h" +#ifdef CONFIG_OF +static const struct of_device_id musb_dsps_of_match[]; +#endif + /** * avoid using musb_readx()/musb_writex() as glue layer should not be * dependent on musb core layer symbols. @@ -448,6 +453,8 @@ static int __devinit dsps_create_musb_pdev(struct dsps_glue *glue, u8 id) struct device *dev = glue->dev; struct platform_device *pdev = to_platform_device(dev); struct musb_hdrc_platform_data *pdata = dev->platform_data; + struct device_node *np = pdev->dev.of_node; + struct musb_hdrc_config *config; struct platform_device *musb; struct resource *res; struct resource resources[2]; @@ -499,14 +506,40 @@ static int __devinit dsps_create_musb_pdev(struct dsps_glue *glue, u8 id) glue->musb[id] = musb; - pdata->platform_ops = &dsps_ops; - ret = platform_device_add_resources(musb, resources, 2); if (ret) { dev_err(dev, "failed to add resources\n"); goto err2; } + if (np) { + pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) { + dev_err(&pdev->dev, + "failed to allocate musb platfrom data\n"); + ret = -ENOMEM; + goto err2; + } + + config = devm_kzalloc(&pdev->dev, sizeof(*config), GFP_KERNEL); + if (!config) { + dev_err(&pdev->dev, + "failed to allocate musb hdrc config\n"); + goto err2; + } + + of_property_read_u32(np, "num-eps", (u32 *)&config->num_eps); + of_property_read_u32(np, "ram-bits", (u32 *)&config->ram_bits); + sprintf(res_name, "port%d-mode", id); + of_property_read_u32(np, res_name, (u32 *)&pdata->mode); + of_property_read_u32(np, "power", (u32 *)&pdata->power); + config->multipoint = of_property_read_bool(np, "multipoint"); + + pdata->config = config; + } + + pdata->platform_ops = &dsps_ops; + ret = platform_device_add_data(musb, pdata, sizeof(*pdata)); if (ret) { dev_err(dev, "failed to add platform_data\n"); @@ -538,13 +571,21 @@ static void dsps_delete_musb_pdev(struct dsps_glue *glue, u8 id) static int __devinit dsps_probe(struct platform_device *pdev) { - const struct platform_device_id *id = platform_get_device_id(pdev); - const struct dsps_musb_wrapper *wrp = - (struct dsps_musb_wrapper *)id->driver_data; + struct device_node *np = pdev->dev.of_node; + const struct of_device_id *match; + const struct dsps_musb_wrapper *wrp; struct dsps_glue *glue; struct resource *iomem; int ret, i; + match = of_match_node(musb_dsps_of_match, np); + if (!match) { + dev_err(&pdev->dev, "fail to get matching of_match struct\n"); + ret = -EINVAL; + goto err0; + } + wrp = match->data; + /* allocate glue */ glue = kzalloc(sizeof(*glue), GFP_KERNEL); if (!glue) { @@ -693,13 +734,14 @@ static const struct platform_device_id musb_dsps_id_table[] __devinitconst = { }; MODULE_DEVICE_TABLE(platform, musb_dsps_id_table); +#ifdef CONFIG_OF static const struct of_device_id musb_dsps_of_match[] __devinitconst = { - { .compatible = "musb-ti81xx", }, - { .compatible = "ti,ti81xx-musb", }, - { .compatible = "ti,am335x-musb", }, + { .compatible = "ti,musb-am33xx", + .data = (void *) &ti81xx_driver_data, }, { }, }; MODULE_DEVICE_TABLE(of, musb_dsps_of_match); +#endif static struct platform_driver dsps_usbss_driver = { .probe = dsps_probe, @@ -707,7 +749,7 @@ static struct platform_driver dsps_usbss_driver = { .driver = { .name = "musb-dsps", .pm = &dsps_pm_ops, - .of_match_table = musb_dsps_of_match, + .of_match_table = of_match_ptr(musb_dsps_of_match), }, .id_table = musb_dsps_id_table, }; -- cgit v1.2.1 From d8c3ef256f88b7c6ecd673d03073b5645be9c5e4 Mon Sep 17 00:00:00 2001 From: Ajay Kumar Gupta Date: Fri, 31 Aug 2012 11:09:56 +0000 Subject: usb: musb: dsps: remove explicit NOP device creation As NOP device node is now added in am33xx tree so remove the call which creates the NOP platform_device. Signed-off-by: Ajay Kumar Gupta Signed-off-by: Santhapuri, Damodar Signed-off-by: Ravi Babu Signed-off-by: Felipe Balbi --- drivers/usb/musb/musb_dsps.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers/usb/musb/musb_dsps.c') diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index b8aecbba7407..2785e28ec4a9 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -376,8 +376,7 @@ static int dsps_musb_init(struct musb *musb) /* mentor core register starts at offset of 0x400 from musb base */ musb->mregs += wrp->musb_core_offset; - /* NOP driver needs change if supporting dual instance */ - usb_nop_xceiv_register(); + /* Get the NOP PHY */ musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2); if (IS_ERR_OR_NULL(musb->xceiv)) return -ENODEV; -- cgit v1.2.1