Merge branch 'devel-stable' into devel

Conflicts:
	arch/arm/Kconfig
	arch/arm/include/asm/system.h
	arch/arm/mm/Kconfig

15 files changed, 121 insertions, 66 deletions

diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index b4c783c284b..07fe490b44d 100644
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -42,7 +42,7 @@ config USB_MUSB_SOC
 	default y if (BF52x && !BF522 && !BF523)
 
 comment "DaVinci 35x and 644x USB support"
-	depends on USB_MUSB_HDRC && ARCH_DAVINCI
+	depends on USB_MUSB_HDRC && ARCH_DAVINCI_DMx
 
 comment "OMAP 243x high speed USB support"
 	depends on USB_MUSB_HDRC && ARCH_OMAP2430
diff --git a/drivers/usb/musb/Makefile b/drivers/usb/musb/Makefile
index 85710ccc188..3a485dabebb 100644
--- a/drivers/usb/musb/Makefile
+++ b/drivers/usb/musb/Makefile
@@ -6,7 +6,7 @@ musb_hdrc-objs := musb_core.o
 
 obj-$(CONFIG_USB_MUSB_HDRC)	+= musb_hdrc.o
 
-ifeq ($(CONFIG_ARCH_DAVINCI),y)
+ifeq ($(CONFIG_ARCH_DAVINCI_DMx),y)
 	musb_hdrc-objs	+= davinci.o
 endif
 
diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
index bcee1339d4f..ec8d324237f 100644
--- a/drivers/usb/musb/blackfin.c
+++ b/drivers/usb/musb/blackfin.c
@@ -11,7 +11,6 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
-#include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/list.h>
 #include <linux/gpio.h>
@@ -173,13 +172,7 @@ static irqreturn_t blackfin_interrupt(int irq, void *__hci)
 
 	spin_unlock_irqrestore(&musb->lock, flags);
 
-	/* REVISIT we sometimes get spurious IRQs on g_ep0
-	 * not clear why... fall in BF54x too.
-	 */
-	if (retval != IRQ_HANDLED)
-		DBG(5, "spurious?\n");
-
-	return IRQ_HANDLED;
+	return retval;
 }
 
 static void musb_conn_timer_handler(unsigned long _musb)
diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c
index 3c69a76ec39..59dc3d351b6 100644
--- a/drivers/usb/musb/cppi_dma.c
+++ b/drivers/usb/musb/cppi_dma.c
@@ -7,6 +7,7 @@
  */
 
 #include <linux/platform_device.h>
+#include <linux/slab.h>
 #include <linux/usb.h>
 
 #include "musb_core.h"
diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c
index a883f9dd3f8..ce2e16fee0d 100644
--- a/drivers/usb/musb/davinci.c
+++ b/drivers/usb/musb/davinci.c
@@ -24,7 +24,6 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
-#include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/list.h>
 #include <linux/delay.h>
@@ -445,6 +444,8 @@ int __init musb_platform_init(struct musb *musb)
 	return 0;
 
 fail:
+	clk_disable(musb->clock);
+
 	usb_nop_xceiv_unregister();
 	return -ENODEV;
 }
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index b4bbf8f2c23..705cc4ad873 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -379,7 +379,6 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 				u8 devctl, u8 power)
 {
 	irqreturn_t handled = IRQ_NONE;
-	void __iomem *mbase = musb->mregs;
 
 	DBG(3, "<== Power=%02x, DevCtl=%02x, int_usb=0x%x\n", power, devctl,
 		int_usb);
@@ -394,6 +393,8 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 
 		if (devctl & MUSB_DEVCTL_HM) {
 #ifdef CONFIG_USB_MUSB_HDRC_HCD
+			void __iomem *mbase = musb->mregs;
+
 			switch (musb->xceiv->state) {
 			case OTG_STATE_A_SUSPEND:
 				/* remote wakeup?  later, GetPortStatus
@@ -471,6 +472,8 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 #ifdef CONFIG_USB_MUSB_HDRC_HCD
 	/* see manual for the order of the tests */
 	if (int_usb & MUSB_INTR_SESSREQ) {
+		void __iomem *mbase = musb->mregs;
+
 		DBG(1, "SESSION_REQUEST (%s)\n", otg_state_string(musb));
 
 		/* IRQ arrives from ID pin sense or (later, if VBUS power
@@ -519,6 +522,8 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 		case OTG_STATE_A_WAIT_BCON:
 		case OTG_STATE_A_WAIT_VRISE:
 			if (musb->vbuserr_retry) {
+				void __iomem *mbase = musb->mregs;
+
 				musb->vbuserr_retry--;
 				ignore = 1;
 				devctl |= MUSB_DEVCTL_SESSION;
@@ -622,6 +627,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 
 	if (int_usb & MUSB_INTR_CONNECT) {
 		struct usb_hcd *hcd = musb_to_hcd(musb);
+		void __iomem *mbase = musb->mregs;
 
 		handled = IRQ_HANDLED;
 		musb->is_active = 1;
@@ -959,10 +965,8 @@ static void musb_shutdown(struct platform_device *pdev)
 	spin_lock_irqsave(&musb->lock, flags);
 	musb_platform_disable(musb);
 	musb_generic_disable(musb);
-	if (musb->clock) {
+	if (musb->clock)
 		clk_put(musb->clock);
-		musb->clock = NULL;
-	}
 	spin_unlock_irqrestore(&musb->lock, flags);
 
 	/* FIXME power down */
@@ -1847,15 +1851,6 @@ static void musb_free(struct musb *musb)
 	put_device(musb->xceiv->dev);
 #endif
 
-	musb_writeb(musb->mregs, MUSB_DEVCTL, 0);
-	musb_platform_exit(musb);
-	musb_writeb(musb->mregs, MUSB_DEVCTL, 0);
-
-	if (musb->clock) {
-		clk_disable(musb->clock);
-		clk_put(musb->clock);
-	}
-
 #ifdef CONFIG_USB_MUSB_HDRC_HCD
 	usb_put_hcd(musb_to_hcd(musb));
 #else
@@ -1883,8 +1878,10 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
 	 */
 	if (!plat) {
 		dev_dbg(dev, "no platform_data?\n");
-		return -ENODEV;
+		status = -ENODEV;
+		goto fail0;
 	}
+
 	switch (plat->mode) {
 	case MUSB_HOST:
 #ifdef CONFIG_USB_MUSB_HDRC_HCD
@@ -1906,13 +1903,16 @@ bad_config:
 #endif
 	default:
 		dev_err(dev, "incompatible Kconfig role setting\n");
-		return -EINVAL;
+		status = -EINVAL;
+		goto fail0;
 	}
 
 	/* allocate */
 	musb = allocate_instance(dev, plat->config, ctrl);
-	if (!musb)
-		return -ENOMEM;
+	if (!musb) {
+		status = -ENOMEM;
+		goto fail0;
+	}
 
 	spin_lock_init(&musb->lock);
 	musb->board_mode = plat->mode;
@@ -1930,7 +1930,7 @@ bad_config:
 		if (IS_ERR(musb->clock)) {
 			status = PTR_ERR(musb->clock);
 			musb->clock = NULL;
-			goto fail;
+			goto fail1;
 		}
 	}
 
@@ -1949,12 +1949,12 @@ bad_config:
 	 */
 	musb->isr = generic_interrupt;
 	status = musb_platform_init(musb);
-
 	if (status < 0)
-		goto fail;
+		goto fail2;
+
 	if (!musb->isr) {
 		status = -ENODEV;
-		goto fail2;
+		goto fail3;
 	}
 
 #ifndef CONFIG_MUSB_PIO_ONLY
@@ -1980,7 +1980,7 @@ bad_config:
 			? MUSB_CONTROLLER_MHDRC
 			: MUSB_CONTROLLER_HDRC, musb);
 	if (status < 0)
-		goto fail2;
+		goto fail3;
 
 #ifdef CONFIG_USB_MUSB_OTG
 	setup_timer(&musb->otg_timer, musb_otg_timer_func, (unsigned long) musb);
@@ -1993,7 +1993,7 @@ bad_config:
 	if (request_irq(nIrq, musb->isr, 0, dev_name(dev), musb)) {
 		dev_err(dev, "request_irq %d failed!\n", nIrq);
 		status = -ENODEV;
-		goto fail2;
+		goto fail3;
 	}
 	musb->nIrq = nIrq;
 /* FIXME this handles wakeup irqs wrong */
@@ -2007,7 +2007,6 @@ bad_config:
 	/* host side needs more setup */
 	if (is_host_enabled(musb)) {
 		struct usb_hcd	*hcd = musb_to_hcd(musb);
-		u8 busctl;
 
 		otg_set_host(musb->xceiv, &hcd->self);
 
@@ -2018,9 +2017,9 @@ bad_config:
 
 		/* program PHY to use external vBus if required */
 		if (plat->extvbus) {
-			busctl = musb_readb(musb->mregs, MUSB_ULPI_BUSCONTROL);
+			u8 busctl = musb_read_ulpi_buscontrol(musb->mregs);
 			busctl |= MUSB_ULPI_USE_EXTVBUS;
-			musb_writeb(musb->mregs, MUSB_ULPI_BUSCONTROL, busctl);
+			musb_write_ulpi_buscontrol(musb->mregs, busctl);
 		}
 	}
 
@@ -2034,8 +2033,6 @@ bad_config:
 		musb->xceiv->state = OTG_STATE_A_IDLE;
 
 		status = usb_add_hcd(musb_to_hcd(musb), -1, 0);
-		if (status)
-			goto fail;
 
 		DBG(1, "%s mode, status %d, devctl %02x %c\n",
 			"HOST", status,
@@ -2050,8 +2047,6 @@ bad_config:
 		musb->xceiv->state = OTG_STATE_B_IDLE;
 
 		status = musb_gadget_setup(musb);
-		if (status)
-			goto fail;
 
 		DBG(1, "%s mode, status %d, dev%02x\n",
 			is_otg_enabled(musb) ? "OTG" : "PERIPHERAL",
@@ -2059,12 +2054,14 @@ bad_config:
 			musb_readb(musb->mregs, MUSB_DEVCTL));
 
 	}
+	if (status < 0)
+		goto fail3;
 
 #ifdef CONFIG_SYSFS
 	status = sysfs_create_group(&musb->controller->kobj, &musb_attr_group);
-#endif
 	if (status)
-		goto fail2;
+		goto fail4;
+#endif
 
 	dev_info(dev, "USB %s mode controller at %p using %s, IRQ %d\n",
 			({char *s;
@@ -2080,17 +2077,29 @@ bad_config:
 
 	return 0;
 
-fail2:
+fail4:
+	if (!is_otg_enabled(musb) && is_host_enabled(musb))
+		usb_remove_hcd(musb_to_hcd(musb));
+	else
+		musb_gadget_cleanup(musb);
+
+fail3:
+	if (musb->irq_wake)
+		device_init_wakeup(dev, 0);
 	musb_platform_exit(musb);
-fail:
-	dev_err(musb->controller,
-		"musb_init_controller failed with status %d\n", status);
 
+fail2:
 	if (musb->clock)
 		clk_put(musb->clock);
-	device_init_wakeup(dev, 0);
+
+fail1:
+	dev_err(musb->controller,
+		"musb_init_controller failed with status %d\n", status);
+
 	musb_free(musb);
 
+fail0:
+
 	return status;
 
 }
@@ -2127,7 +2136,6 @@ static int __init musb_probe(struct platform_device *pdev)
 	/* clobbered by use_dma=n */
 	orig_dma_mask = dev->dma_mask;
 #endif
-
 	status = musb_init_controller(dev, irq, base);
 	if (status < 0)
 		iounmap(base);
@@ -2150,6 +2158,10 @@ static int __exit musb_remove(struct platform_device *pdev)
 	if (musb->board_mode == MUSB_HOST)
 		usb_remove_hcd(musb_to_hcd(musb));
 #endif
+	musb_writeb(musb->mregs, MUSB_DEVCTL, 0);
+	musb_platform_exit(musb);
+	musb_writeb(musb->mregs, MUSB_DEVCTL, 0);
+
 	musb_free(musb);
 	iounmap(ctrl_base);
 	device_init_wakeup(&pdev->dev, 0);
@@ -2171,6 +2183,7 @@ void musb_save_context(struct musb *musb)
 	if (is_host_enabled(musb)) {
 		musb_context.frame = musb_readw(musb_base, MUSB_FRAME);
 		musb_context.testmode = musb_readb(musb_base, MUSB_TESTMODE);
+		musb_context.busctl = musb_read_ulpi_buscontrol(musb->mregs);
 	}
 	musb_context.power = musb_readb(musb_base, MUSB_POWER);
 	musb_context.intrtxe = musb_readw(musb_base, MUSB_INTRTXE);
@@ -2242,6 +2255,7 @@ void musb_restore_context(struct musb *musb)
 	if (is_host_enabled(musb)) {
 		musb_writew(musb_base, MUSB_FRAME, musb_context.frame);
 		musb_writeb(musb_base, MUSB_TESTMODE, musb_context.testmode);
+		musb_write_ulpi_buscontrol(musb->mregs, musb_context.busctl);
 	}
 	musb_writeb(musb_base, MUSB_POWER, musb_context.power);
 	musb_writew(musb_base, MUSB_INTRTXE, musb_context.intrtxe);
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index d849fb81c13..ac17b004909 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -469,7 +469,7 @@ struct musb_csr_regs {
 
 struct musb_context_registers {
 
-#if defined(CONFIG_ARCH_OMAP34XX) || defined(CONFIG_ARCH_OMAP2430)
+#ifdef CONFIG_PM
 	u32 otg_sysconfig, otg_forcestandby;
 #endif
 	u8 power;
@@ -478,12 +478,12 @@ struct musb_context_registers {
 	u16 frame;
 	u8 index, testmode;
 
-	u8 devctl, misc;
+	u8 devctl, busctl, misc;
 
 	struct musb_csr_regs index_regs[MUSB_C_NUM_EPS];
 };
 
-#if defined(CONFIG_ARCH_OMAP34XX) || defined(CONFIG_ARCH_OMAP2430)
+#ifdef CONFIG_PM
 extern void musb_platform_save_context(struct musb *musb,
 		struct musb_context_registers *musb_context);
 extern void musb_platform_restore_context(struct musb *musb,
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index a9f288cd70e..6fca870e957 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -43,6 +43,7 @@
 #include <linux/moduleparam.h>
 #include <linux/stat.h>
 #include <linux/dma-mapping.h>
+#include <linux/slab.h>
 
 #include "musb_core.h"
 
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 3421cf9858b..877d20b1dff 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -1689,7 +1689,7 @@ void musb_host_rx(struct musb *musb, u8 epnum)
 				dma->desired_mode = 1;
 			if (rx_count < hw_ep->max_packet_sz_rx) {
 				length = rx_count;
-				dma->bDesiredMode = 0;
+				dma->desired_mode = 0;
 			} else {
 				length = urb->transfer_buffer_length;
 			}
@@ -2042,6 +2042,7 @@ static int musb_urb_enqueue(
 		 * odd, rare, error prone, but legal.
 		 */
 		kfree(qh);
+		qh = NULL;
 		ret = 0;
 	} else
 		ret = musb_schedule(musb, qh,
diff --git a/drivers/usb/musb/musb_regs.h b/drivers/usb/musb/musb_regs.h
index 8d8062b10e2..fa55aacc385 100644
--- a/drivers/usb/musb/musb_regs.h
+++ b/drivers/usb/musb/musb_regs.h
@@ -326,6 +326,11 @@ static inline void  musb_write_rxfifoadd(void __iomem *mbase, u16 c_off)
 	musb_writew(mbase, MUSB_RXFIFOADD, c_off);
 }
 
+static inline void musb_write_ulpi_buscontrol(void __iomem *mbase, u8 val)
+{
+	musb_writeb(mbase, MUSB_ULPI_BUSCONTROL, val);
+}
+
 static inline u8 musb_read_txfifosz(void __iomem *mbase)
 {
 	return musb_readb(mbase, MUSB_TXFIFOSZ);
@@ -346,6 +351,11 @@ static inline u16  musb_read_rxfifoadd(void __iomem *mbase)
 	return musb_readw(mbase, MUSB_RXFIFOADD);
 }
 
+static inline u8 musb_read_ulpi_buscontrol(void __iomem *mbase)
+{
+	return musb_readb(mbase, MUSB_ULPI_BUSCONTROL);
+}
+
 static inline u8 musb_read_configdata(void __iomem *mbase)
 {
 	musb_writeb(mbase, MUSB_INDEX, 0);
@@ -510,20 +520,33 @@ static inline void  musb_write_rxfifoadd(void __iomem *mbase, u16 c_off)
 {
 }
 
+static inline void musb_write_ulpi_buscontrol(void __iomem *mbase, u8 val)
+{
+}
+
 static inline u8 musb_read_txfifosz(void __iomem *mbase)
 {
+	return 0;
 }
 
 static inline u16 musb_read_txfifoadd(void __iomem *mbase)
 {
+	return 0;
 }
 
 static inline u8 musb_read_rxfifosz(void __iomem *mbase)
 {
+	return 0;
 }
 
 static inline u16  musb_read_rxfifoadd(void __iomem *mbase)
 {
+	return 0;
+}
+
+static inline u8 musb_read_ulpi_buscontrol(void __iomem *mbase)
+{
+	return 0;
 }
 
 static inline u8 musb_read_configdata(void __iomem *mbase)
@@ -577,22 +600,27 @@ static inline void  musb_write_txhubport(void __iomem *mbase, u8 epnum,
 
 static inline u8 musb_read_rxfunaddr(void __iomem *mbase, u8 epnum)
 {
+	return 0;
 }
 
 static inline u8 musb_read_rxhubaddr(void __iomem *mbase, u8 epnum)
 {
+	return 0;
 }
 
 static inline u8 musb_read_rxhubport(void __iomem *mbase, u8 epnum)
 {
+	return 0;
 }
 
 static inline u8  musb_read_txfunaddr(void __iomem *mbase, u8 epnum)
 {
+	return 0;
 }
 
 static inline u8  musb_read_txhubaddr(void __iomem *mbase, u8 epnum)
 {
+	return 0;
 }
 
 static inline void  musb_read_txhubport(void __iomem *mbase, u8 epnum)
diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c
index bfe5fe4ebfe..7775e1c0a21 100644
--- a/drivers/usb/musb/musb_virthub.c
+++ b/drivers/usb/musb/musb_virthub.c
@@ -35,7 +35,6 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
-#include <linux/slab.h>
 #include <linux/errno.h>
 #include <linux/init.h>
 #include <linux/time.h>
diff --git a/drivers/usb/musb/musbhsdma.c b/drivers/usb/musb/musbhsdma.c
index 2fa7d5c00f3..1008044a3bb 100644
--- a/drivers/usb/musb/musbhsdma.c
+++ b/drivers/usb/musb/musbhsdma.c
@@ -33,6 +33,7 @@
 #include <linux/device.h>
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
+#include <linux/slab.h>
 #include "musb_core.h"
 #include "musbhsdma.h"
 
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index 3fe16867b5a..82592633502 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -27,7 +27,6 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
-#include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/list.h>
 #include <linux/clk.h>
@@ -332,8 +331,5 @@ int musb_platform_exit(struct musb *musb)
 
 	musb_platform_suspend(musb);
 
-	clk_put(musb->clock);
-	musb->clock = NULL;
-
 	return 0;
 }
diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c
index ab776a8d98c..60d3938cafc 100644
--- a/drivers/usb/musb/tusb6010.c
+++ b/drivers/usb/musb/tusb6010.c
@@ -29,6 +29,19 @@ static void tusb_source_power(struct musb *musb, int is_on);
 #define TUSB_REV_MAJOR(reg_val)		((reg_val >> 4) & 0xf)
 #define TUSB_REV_MINOR(reg_val)		(reg_val & 0xf)
 
+#ifdef CONFIG_PM
+/* REVISIT: These should be only needed if somebody implements off idle */
+void musb_platform_save_context(struct musb *musb,
+			struct musb_context_registers *musb_context)
+{
+}
+
+void musb_platform_restore_context(struct musb *musb,
+			struct musb_context_registers *musb_context)
+{
+}
+#endif
+
 /*
  * Checks the revision. We need to use the DMA register as 3.0 does not
  * have correct versions for TUSB_PRCM_REV or TUSB_INT_CTRL_REV.
diff --git a/drivers/usb/musb/tusb6010_omap.c b/drivers/usb/musb/tusb6010_omap.c
index 1c868096bd6..c061a88f2b0 100644
--- a/drivers/usb/musb/tusb6010_omap.c
+++ b/drivers/usb/musb/tusb6010_omap.c
@@ -15,6 +15,7 @@
 #include <linux/usb.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
+#include <linux/slab.h>
 #include <plat/dma.h>
 #include <plat/mux.h>
 
@@ -38,7 +39,7 @@ struct tusb_omap_dma_ch {
 
 	struct tusb_omap_dma	*tusb_dma;
 
-	void __iomem		*dma_addr;
+	dma_addr_t		dma_addr;
 
 	u32			len;
 	u16			packet_sz;
@@ -125,6 +126,7 @@ static void tusb_omap_dma_cb(int lch, u16 ch_status, void *data)
 	struct tusb_omap_dma_ch	*chdat = to_chdat(channel);
 	struct tusb_omap_dma	*tusb_dma = chdat->tusb_dma;
 	struct musb		*musb = chdat->musb;
+	struct device		*dev = musb->controller;
 	struct musb_hw_ep	*hw_ep = chdat->hw_ep;
 	void __iomem		*ep_conf = hw_ep->conf;
 	void __iomem		*mbase = musb->mregs;
@@ -172,13 +174,15 @@ static void tusb_omap_dma_cb(int lch, u16 ch_status, void *data)
 		DBG(3, "Using PIO for remaining %lu bytes\n", pio);
 		buf = phys_to_virt((u32)chdat->dma_addr) + chdat->transfer_len;
 		if (chdat->tx) {
-			dma_cache_maint(phys_to_virt((u32)chdat->dma_addr),
-					chdat->transfer_len, DMA_TO_DEVICE);
+			dma_unmap_single(dev, chdat->dma_addr,
+						chdat->transfer_len,
+						DMA_TO_DEVICE);
 			musb_write_fifo(hw_ep, pio, buf);
 		} else {
+			dma_unmap_single(dev, chdat->dma_addr,
+						chdat->transfer_len,
+						DMA_FROM_DEVICE);
 			musb_read_fifo(hw_ep, pio, buf);
-			dma_cache_maint(phys_to_virt((u32)chdat->dma_addr),
-					chdat->transfer_len, DMA_FROM_DEVICE);
 		}
 		channel->actual_len += pio;
 	}
@@ -223,6 +227,7 @@ static int tusb_omap_dma_program(struct dma_channel *channel, u16 packet_sz,
 	struct tusb_omap_dma_ch		*chdat = to_chdat(channel);
 	struct tusb_omap_dma		*tusb_dma = chdat->tusb_dma;
 	struct musb			*musb = chdat->musb;
+	struct device			*dev = musb->controller;
 	struct musb_hw_ep		*hw_ep = chdat->hw_ep;
 	void __iomem			*mbase = musb->mregs;
 	void __iomem			*ep_conf = hw_ep->conf;
@@ -298,14 +303,16 @@ static int tusb_omap_dma_program(struct dma_channel *channel, u16 packet_sz,
 	chdat->packet_sz = packet_sz;
 	chdat->len = len;
 	channel->actual_len = 0;
-	chdat->dma_addr = (void __iomem *)dma_addr;
+	chdat->dma_addr = dma_addr;
 	channel->status = MUSB_DMA_STATUS_BUSY;
 
 	/* Since we're recycling dma areas, we need to clean or invalidate */
 	if (chdat->tx)
-		dma_cache_maint(phys_to_virt(dma_addr), len, DMA_TO_DEVICE);
+		dma_map_single(dev, phys_to_virt(dma_addr), len,
+				DMA_TO_DEVICE);
 	else
-		dma_cache_maint(phys_to_virt(dma_addr), len, DMA_FROM_DEVICE);
+		dma_map_single(dev, phys_to_virt(dma_addr), len,
+				DMA_FROM_DEVICE);
 
 	/* Use 16-bit transfer if dma_addr is not 32-bit aligned */
 	if ((dma_addr & 0x3) == 0) {