diff options
Diffstat (limited to 'drivers/usb/gadget/udc')
| -rw-r--r-- | drivers/usb/gadget/udc/Kconfig | 3 | ||||
| -rw-r--r-- | drivers/usb/gadget/udc/atmel_usba_udc.c | 2 | ||||
| -rw-r--r-- | drivers/usb/gadget/udc/fusb300_udc.c | 8 | ||||
| -rw-r--r-- | drivers/usb/gadget/udc/pch_udc.c | 22 | ||||
| -rw-r--r-- | drivers/usb/gadget/udc/r8a66597-udc.c | 4 |
5 files changed, 30 insertions, 9 deletions
diff --git a/drivers/usb/gadget/udc/Kconfig b/drivers/usb/gadget/udc/Kconfig index 5151f947a4f..34ebaa68504 100644 --- a/drivers/usb/gadget/udc/Kconfig +++ b/drivers/usb/gadget/udc/Kconfig @@ -332,7 +332,7 @@ config USB_GOKU gadget drivers to also be dynamically linked. config USB_EG20T - tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7213/ML7831) UDC" + tristate "Intel QUARK X1000/EG20T PCH/LAPIS Semiconductor IOH(ML7213/ML7831) UDC" depends on PCI help This is a USB device driver for EG20T PCH. @@ -353,6 +353,7 @@ config USB_EG20T ML7213/ML7831 is companion chip for Intel Atom E6xx series. ML7213/ML7831 is completely compatible for Intel EG20T PCH. + This driver can be used with Intel's Quark X1000 SOC platform # # LAST -- dummy/emulated controller # diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c index 906e65f0e4f..c9fe67e29d3 100644 --- a/drivers/usb/gadget/udc/atmel_usba_udc.c +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c @@ -1661,7 +1661,7 @@ static irqreturn_t usba_udc_irq(int irq, void *devid) if (dma_status) { int i; - for (i = 1; i < USBA_NR_DMAS; i++) + for (i = 1; i <= USBA_NR_DMAS; i++) if (dma_status & (1 << i)) usba_dma_irq(udc, &udc->usba_ep[i]); } diff --git a/drivers/usb/gadget/udc/fusb300_udc.c b/drivers/usb/gadget/udc/fusb300_udc.c index d40255f784d..5c5d1adda7e 100644 --- a/drivers/usb/gadget/udc/fusb300_udc.c +++ b/drivers/usb/gadget/udc/fusb300_udc.c @@ -1398,13 +1398,17 @@ static int fusb300_probe(struct platform_device *pdev) /* initialize udc */ fusb300 = kzalloc(sizeof(struct fusb300), GFP_KERNEL); - if (fusb300 == NULL) + if (fusb300 == NULL) { + ret = -ENOMEM; goto clean_up; + } for (i = 0; i < FUSB300_MAX_NUM_EP; i++) { _ep[i] = kzalloc(sizeof(struct fusb300_ep), GFP_KERNEL); - if (_ep[i] == NULL) + if (_ep[i] == NULL) { + ret = -ENOMEM; goto clean_up; + } fusb300->ep[i] = _ep[i]; } diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c index eb8c3bedb57..460d953c91b 100644 --- a/drivers/usb/gadget/udc/pch_udc.c +++ b/drivers/usb/gadget/udc/pch_udc.c @@ -343,6 +343,7 @@ struct pch_vbus_gpio_data { * @setup_data: Received setup data * @phys_addr: of device memory * @base_addr: for mapped device memory + * @bar: Indicates which PCI BAR for USB regs * @irq: IRQ line for the device * @cfg_data: current cfg, intf, and alt in use * @vbus_gpio: GPIO informaton for detecting VBUS @@ -370,14 +371,17 @@ struct pch_udc_dev { struct usb_ctrlrequest setup_data; unsigned long phys_addr; void __iomem *base_addr; + unsigned bar; unsigned irq; struct pch_udc_cfg_data cfg_data; struct pch_vbus_gpio_data vbus_gpio; }; #define to_pch_udc(g) (container_of((g), struct pch_udc_dev, gadget)) +#define PCH_UDC_PCI_BAR_QUARK_X1000 0 #define PCH_UDC_PCI_BAR 1 #define PCI_DEVICE_ID_INTEL_EG20T_UDC 0x8808 +#define PCI_DEVICE_ID_INTEL_QUARK_X1000_UDC 0x0939 #define PCI_VENDOR_ID_ROHM 0x10DB #define PCI_DEVICE_ID_ML7213_IOH_UDC 0x801D #define PCI_DEVICE_ID_ML7831_IOH_UDC 0x8808 @@ -3076,7 +3080,7 @@ static void pch_udc_remove(struct pci_dev *pdev) iounmap(dev->base_addr); if (dev->mem_region) release_mem_region(dev->phys_addr, - pci_resource_len(pdev, PCH_UDC_PCI_BAR)); + pci_resource_len(pdev, dev->bar)); if (dev->active) pci_disable_device(pdev); kfree(dev); @@ -3144,9 +3148,15 @@ static int pch_udc_probe(struct pci_dev *pdev, dev->active = 1; pci_set_drvdata(pdev, dev); + /* Determine BAR based on PCI ID */ + if (id->device == PCI_DEVICE_ID_INTEL_QUARK_X1000_UDC) + dev->bar = PCH_UDC_PCI_BAR_QUARK_X1000; + else + dev->bar = PCH_UDC_PCI_BAR; + /* PCI resource allocation */ - resource = pci_resource_start(pdev, 1); - len = pci_resource_len(pdev, 1); + resource = pci_resource_start(pdev, dev->bar); + len = pci_resource_len(pdev, dev->bar); if (!request_mem_region(resource, len, KBUILD_MODNAME)) { dev_err(&pdev->dev, "%s: pci device used already\n", __func__); @@ -3212,6 +3222,12 @@ finished: static const struct pci_device_id pch_udc_pcidev_id[] = { { + PCI_DEVICE(PCI_VENDOR_ID_INTEL, + PCI_DEVICE_ID_INTEL_QUARK_X1000_UDC), + .class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe, + .class_mask = 0xffffffff, + }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_EG20T_UDC), .class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe, .class_mask = 0xffffffff, diff --git a/drivers/usb/gadget/udc/r8a66597-udc.c b/drivers/usb/gadget/udc/r8a66597-udc.c index 46008421c1e..de2a8713b42 100644 --- a/drivers/usb/gadget/udc/r8a66597-udc.c +++ b/drivers/usb/gadget/udc/r8a66597-udc.c @@ -1868,8 +1868,8 @@ static int r8a66597_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); reg = devm_ioremap_resource(&pdev->dev, res); - if (!reg) - return -ENODEV; + if (IS_ERR(reg)) + return PTR_ERR(reg); ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0); irq = ires->start; |