---

yaml
---
r: 303873
b: refs/heads/master
c: 62bb84e
h: refs/heads/master
i:
  303871: b70ed04
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ed6c6f419f02a6da444e26374f3510ac57b6faf4
+refs/heads/master: 62bb84ed0e4d14b0a5070f44b2387a42f7f535d9

trunk/drivers/usb/gadget/Kconfig

@@ -378,16 +378,28 @@ config USB_FSL_QE
 	   Set CONFIG_USB_GADGET to "m" to build this driver as a
 	   dynamically linked module called "fsl_qe_udc".
 
+config USB_CHIPIDEA_UDC
+	tristate "ChipIdea UDC driver"
+	select USB_GADGET_DUALSPEED
+	help
+	  This module contains the ChipIdea USB device controller driver;
+	  you will also need platform driver like ci13xxx_pci or ci13xxx_msm
+	  to use it.
+
+	  Say "y" to link the driver statically, or "m" to build a
+	  dynamically linked module called "ci13xxx_udc", which will serve
+	  as a driver for ChipIdea udc on different platforms.
+
 config USB_CI13XXX_PCI
 	tristate "MIPS USB CI13xxx PCI UDC"
-	depends on PCI
+	depends on PCI && USB_CHIPIDEA_UDC
 	select USB_GADGET_DUALSPEED
 	help
 	  MIPS USB IP core family device controller
 	  Currently it only supports IP part number CI13412
 
 	  Say "y" to link the driver statically, or "m" to build a
-	  dynamically linked module called "ci13xxx_udc" and force all
+	  dynamically linked module called "ci13xxx_pci" and force all
 	  gadget drivers to also be dynamically linked.
 
 config USB_NET2272
@@ -484,7 +496,7 @@ config USB_EG20T
 
 config USB_CI13XXX_MSM
 	tristate "MIPS USB CI13xxx for MSM"
-	depends on ARCH_MSM
+	depends on ARCH_MSM && USB_CHIPIDEA_UDC
 	select USB_GADGET_DUALSPEED
 	select USB_MSM_OTG
 	help

trunk/drivers/usb/gadget/Makefile

@@ -22,6 +22,7 @@ fsl_usb2_udc-$(CONFIG_ARCH_MXC)	+= fsl_mxc_udc.o
 obj-$(CONFIG_USB_M66592)	+= m66592-udc.o
 obj-$(CONFIG_USB_R8A66597)	+= r8a66597-udc.o
 obj-$(CONFIG_USB_FSL_QE)	+= fsl_qe_udc.o
+obj-$(CONFIG_USB_CHIPIDEA_UDC)	+= ci13xxx_udc.o
 obj-$(CONFIG_USB_CI13XXX_PCI)	+= ci13xxx_pci.o
 obj-$(CONFIG_USB_S3C_HSOTG)	+= s3c-hsotg.o
 obj-$(CONFIG_USB_S3C_HSUDC)	+= s3c-hsudc.o

trunk/drivers/usb/gadget/ci13xxx_msm.c

@@ -10,16 +10,12 @@
 #include <linux/pm_runtime.h>
 #include <linux/usb/msm_hsusb_hw.h>
 #include <linux/usb/ulpi.h>
+#include <linux/usb/gadget.h>
 
-#include "ci13xxx_udc.c"
+#include "ci13xxx_udc.h"
 
 #define MSM_USB_BASE	(udc->regs)
 
-static irqreturn_t msm_udc_irq(int irq, void *data)
-{
-	return udc_irq();
-}
-
 static void ci13xxx_msm_notify_event(struct ci13xxx *udc, unsigned event)
 {
 	struct device *dev = udc->gadget.dev.parent;
@@ -60,54 +56,40 @@ static struct ci13xxx_udc_driver ci13xxx_msm_udc_driver = {
 
 static int ci13xxx_msm_probe(struct platform_device *pdev)
 {
-	struct resource *res;
-	void __iomem *regs;
-	int irq;
+	struct platform_device *plat_ci;
 	int ret;
 
 	dev_dbg(&pdev->dev, "ci13xxx_msm_probe\n");
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(&pdev->dev, "failed to get platform resource mem\n");
-		return -ENXIO;
-	}
-
-	regs = ioremap(res->start, resource_size(res));
-	if (!regs) {
-		dev_err(&pdev->dev, "ioremap failed\n");
+	plat_ci = platform_device_alloc("ci_udc", -1);
+	if (!plat_ci) {
+		dev_err(&pdev->dev, "can't allocate ci_udc platform device\n");
 		return -ENOMEM;
 	}
 
-	ret = udc_probe(&ci13xxx_msm_udc_driver, &pdev->dev, regs,
-			DEF_CAPOFFSET);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "udc_probe failed\n");
-		goto iounmap;
+	ret = platform_device_add_resources(plat_ci, pdev->resource,
+					    pdev->num_resources);
+	if (ret) {
+		dev_err(&pdev->dev, "can't add resources to platform device\n");
+		goto put_platform;
 	}
 
-	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
-		dev_err(&pdev->dev, "IRQ not found\n");
-		ret = -ENXIO;
-		goto udc_remove;
-	}
+	ret = platform_device_add_data(plat_ci, &ci13xxx_msm_udc_driver,
+				       sizeof(ci13xxx_msm_udc_driver));
+	if (ret)
+		goto put_platform;
 
-	ret = request_irq(irq, msm_udc_irq, IRQF_SHARED, pdev->name, pdev);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "request_irq failed\n");
-		goto udc_remove;
-	}
+	ret = platform_device_add(plat_ci);
+	if (ret)
+		goto put_platform;
 
 	pm_runtime_no_callbacks(&pdev->dev);
 	pm_runtime_enable(&pdev->dev);
 
 	return 0;
 
-udc_remove:
-	udc_remove();
-iounmap:
-	iounmap(regs);
+put_platform:
+	platform_device_put(plat_ci);
 
 	return ret;
 }

trunk/drivers/usb/gadget/ci13xxx_pci.c

@@ -10,36 +10,28 @@
  * published by the Free Software Foundation.
  */
 
+#include <linux/platform_device.h>
 #include <linux/module.h>
 #include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <linux/usb/gadget.h>
 
-#include "ci13xxx_udc.c"
+#include "ci13xxx_udc.h"
 
 /* driver name */
 #define UDC_DRIVER_NAME   "ci13xxx_pci"
 
 /******************************************************************************
  * PCI block
  *****************************************************************************/
-/**
- * ci13xxx_pci_irq: interrut handler
- * @irq:  irq number
- * @pdev: USB Device Controller interrupt source
- *
- * This function returns IRQ_HANDLED if the IRQ has been handled
- * This is an ISR don't trace, use attribute interface instead
- */
-static irqreturn_t ci13xxx_pci_irq(int irq, void *pdev)
-{
-	if (irq == 0) {
-		dev_err(&((struct pci_dev *)pdev)->dev, "Invalid IRQ0 usage!");
-		return IRQ_HANDLED;
-	}
-	return udc_irq();
-}
+struct ci13xxx_udc_driver pci_driver = {
+	.name		= UDC_DRIVER_NAME,
+	.capoffset	= DEF_CAPOFFSET,
+};
 
-static struct ci13xxx_udc_driver ci13xxx_pci_udc_driver = {
+struct ci13xxx_udc_driver langwell_pci_driver = {
 	.name		= UDC_DRIVER_NAME,
+	.capoffset	= 0,
 };
 
 /**
@@ -54,9 +46,10 @@ static struct ci13xxx_udc_driver ci13xxx_pci_udc_driver = {
 static int __devinit ci13xxx_pci_probe(struct pci_dev *pdev,
 				       const struct pci_device_id *id)
 {
-	void __iomem *regs = NULL;
-	uintptr_t capoffset = DEF_CAPOFFSET;
-	int retval = 0;
+	struct ci13xxx_udc_driver *driver = (void *)id->driver_data;
+	struct platform_device *plat_ci;
+	struct resource res[3];
+	int retval = 0, nres = 2;
 
 	if (id == NULL)
 		return -EINVAL;
@@ -71,45 +64,50 @@ static int __devinit ci13xxx_pci_probe(struct pci_dev *pdev,
 		goto disable_device;
 	}
 
-	retval = pci_request_regions(pdev, UDC_DRIVER_NAME);
-	if (retval)
-		goto disable_device;
-
-	/* BAR 0 holds all the registers */
-	regs = pci_iomap(pdev, 0, 0);
-	if (!regs) {
-		dev_err(&pdev->dev, "Error mapping memory!");
-		retval = -EFAULT;
-		goto release_regions;
-	}
-	pci_set_drvdata(pdev, (__force void *)regs);
-
+	pci_set_power_state(pdev, PCI_D0);
 	pci_set_master(pdev);
 	pci_try_set_mwi(pdev);
 
-	if (pdev->vendor == PCI_VENDOR_ID_INTEL)
-		capoffset = 0;
+	plat_ci = platform_device_alloc("ci_udc", -1);
+	if (!plat_ci) {
+		dev_err(&pdev->dev, "can't allocate ci_udc platform device\n");
+		retval = -ENOMEM;
+		goto disable_device;
+	}
 
-	retval = udc_probe(&ci13xxx_pci_udc_driver, &pdev->dev, regs,
-			   capoffset);
+	memset(res, 0, sizeof(res));
+	res[0].start	= pci_resource_start(pdev, 0);
+	res[0].end	= pci_resource_end(pdev, 0);
+	res[0].flags	= IORESOURCE_MEM;
+	res[1].start	= pdev->irq;
+	res[1].flags	= IORESOURCE_IRQ;
+
+	retval = platform_device_add_resources(plat_ci, res, nres);
+	if (retval) {
+		dev_err(&pdev->dev, "can't add resources to platform device\n");
+		goto put_platform;
+	}
+
+	retval = platform_device_add_data(plat_ci, driver, sizeof(*driver));
 	if (retval)
-		goto iounmap;
+		goto put_platform;
 
-	/* our device does not have MSI capability */
+	dma_set_coherent_mask(&plat_ci->dev, pdev->dev.coherent_dma_mask);
+	plat_ci->dev.dma_mask = pdev->dev.dma_mask;
+	plat_ci->dev.dma_parms = pdev->dev.dma_parms;
+	plat_ci->dev.parent = &pdev->dev;
 
-	retval = request_irq(pdev->irq, ci13xxx_pci_irq, IRQF_SHARED,
-			     UDC_DRIVER_NAME, pdev);
+	pci_set_drvdata(pdev, plat_ci);
+
+	retval = platform_device_add(plat_ci);
 	if (retval)
-		goto gadget_remove;
+		goto put_platform;
 
 	return 0;
 
- gadget_remove:
-	udc_remove();
- iounmap:
-	pci_iounmap(pdev, regs);
- release_regions:
-	pci_release_regions(pdev);
+ put_platform:
+	pci_set_drvdata(pdev, NULL);
+	platform_device_put(plat_ci);
  disable_device:
 	pci_disable_device(pdev);
  done:
@@ -126,10 +124,10 @@ static int __devinit ci13xxx_pci_probe(struct pci_dev *pdev,
  */
 static void __devexit ci13xxx_pci_remove(struct pci_dev *pdev)
 {
-	free_irq(pdev->irq, pdev);
-	udc_remove();
-	pci_iounmap(pdev, (__force void __iomem *)pci_get_drvdata(pdev));
-	pci_release_regions(pdev);
+	struct platform_device *plat_ci = pci_get_drvdata(pdev);
+
+	platform_device_unregister(plat_ci);
+	pci_set_drvdata(pdev, NULL);
 	pci_disable_device(pdev);
 }
 
@@ -140,10 +138,22 @@ static void __devexit ci13xxx_pci_remove(struct pci_dev *pdev)
  * Check "pci.h" for details
  */
 static DEFINE_PCI_DEVICE_TABLE(ci13xxx_pci_id_table) = {
-	{ PCI_DEVICE(0x153F, 0x1004) },
-	{ PCI_DEVICE(0x153F, 0x1006) },
-	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0811) },
-	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0829) },
+	{
+		PCI_DEVICE(0x153F, 0x1004),
+		.driver_data = (kernel_ulong_t)&pci_driver,
+	},
+	{
+		PCI_DEVICE(0x153F, 0x1006),
+		.driver_data = (kernel_ulong_t)&pci_driver,
+	},
+	{
+		PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0811),
+		.driver_data = (kernel_ulong_t)&langwell_pci_driver,
+	},
+	{
+		PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0829),
+		.driver_data = (kernel_ulong_t)&langwell_pci_driver,
+	},
 	{ 0, 0, 0, 0, 0, 0, 0 /* end: all zeroes */ }
 };
 MODULE_DEVICE_TABLE(pci, ci13xxx_pci_id_table);