diff options
Diffstat (limited to 'drivers/usb/cdns3/cdnsp-pci.c')
| -rw-r--r-- | drivers/usb/cdns3/cdnsp-pci.c | 45 |
1 files changed, 23 insertions, 22 deletions
diff --git a/drivers/usb/cdns3/cdnsp-pci.c b/drivers/usb/cdns3/cdnsp-pci.c index 7b151f5af3cc..5e7b88ca8b96 100644 --- a/drivers/usb/cdns3/cdnsp-pci.c +++ b/drivers/usb/cdns3/cdnsp-pci.c @@ -28,10 +28,7 @@ #define PCI_DRIVER_NAME "cdns-pci-usbssp" #define PLAT_DRIVER_NAME "cdns-usbssp" -#define CDNS_VENDOR_ID 0x17cd -#define CDNS_DEVICE_ID 0x0200 -#define CDNS_DRD_ID 0x0100 -#define CDNS_DRD_IF (PCI_CLASS_SERIAL_USB << 8 | 0x80) +#define CHICKEN_APB_TIMEOUT_VALUE 0x1C20 static struct pci_dev *cdnsp_get_second_fun(struct pci_dev *pdev) { @@ -40,10 +37,10 @@ static struct pci_dev *cdnsp_get_second_fun(struct pci_dev *pdev) * Platform has two function. The fist keeps resources for * Host/Device while the secon keeps resources for DRD/OTG. */ - if (pdev->device == CDNS_DEVICE_ID) - return pci_get_device(pdev->vendor, CDNS_DRD_ID, NULL); - else if (pdev->device == CDNS_DRD_ID) - return pci_get_device(pdev->vendor, CDNS_DEVICE_ID, NULL); + if (pdev->device == PCI_DEVICE_ID_CDNS_USBSSP) + return pci_get_device(pdev->vendor, PCI_DEVICE_ID_CDNS_USBSS, NULL); + if (pdev->device == PCI_DEVICE_ID_CDNS_USBSS) + return pci_get_device(pdev->vendor, PCI_DEVICE_ID_CDNS_USBSSP, NULL); return NULL; } @@ -88,7 +85,7 @@ static int cdnsp_pci_probe(struct pci_dev *pdev, cdnsp = kzalloc(sizeof(*cdnsp), GFP_KERNEL); if (!cdnsp) { ret = -ENOMEM; - goto disable_pci; + goto put_pci; } } @@ -144,6 +141,14 @@ static int cdnsp_pci_probe(struct pci_dev *pdev, cdnsp->otg_irq = pdev->irq; } + /* + * Cadence PCI based platform require some longer timeout for APB + * to fixes domain clock synchronization issue after resuming + * controller from L1 state. + */ + cdnsp->override_apb_timeout = CHICKEN_APB_TIMEOUT_VALUE; + pci_set_drvdata(pdev, cdnsp); + if (pci_is_enabled(func)) { cdnsp->dev = dev; cdnsp->gadget_init = cdnsp_gadget_init; @@ -153,8 +158,6 @@ static int cdnsp_pci_probe(struct pci_dev *pdev, goto free_cdnsp; } - pci_set_drvdata(pdev, cdnsp); - device_wakeup_enable(&pdev->dev); if (pci_dev_run_wake(pdev)) pm_runtime_put_noidle(&pdev->dev); @@ -165,9 +168,6 @@ free_cdnsp: if (!pci_is_enabled(func)) kfree(cdnsp); -disable_pci: - pci_disable_device(pdev); - put_pci: pci_dev_put(func); @@ -208,8 +208,9 @@ static int __maybe_unused cdnsp_pci_resume(struct device *dev) int ret; spin_lock_irqsave(&cdns->lock, flags); - ret = cdns_resume(cdns, 1); + ret = cdns_resume(cdns); spin_unlock_irqrestore(&cdns->lock, flags); + cdns_set_active(cdns, 1); return ret; } @@ -219,18 +220,18 @@ static const struct dev_pm_ops cdnsp_pci_pm_ops = { }; static const struct pci_device_id cdnsp_pci_ids[] = { - { PCI_VENDOR_ID_CDNS, CDNS_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, - PCI_CLASS_SERIAL_USB_DEVICE, PCI_ANY_ID }, - { PCI_VENDOR_ID_CDNS, CDNS_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, - CDNS_DRD_IF, PCI_ANY_ID }, - { PCI_VENDOR_ID_CDNS, CDNS_DRD_ID, PCI_ANY_ID, PCI_ANY_ID, - CDNS_DRD_IF, PCI_ANY_ID }, + { PCI_DEVICE(PCI_VENDOR_ID_CDNS, PCI_DEVICE_ID_CDNS_USBSSP), + .class = PCI_CLASS_SERIAL_USB_DEVICE }, + { PCI_DEVICE(PCI_VENDOR_ID_CDNS, PCI_DEVICE_ID_CDNS_USBSSP), + .class = PCI_CLASS_SERIAL_USB_CDNS }, + { PCI_DEVICE(PCI_VENDOR_ID_CDNS, PCI_DEVICE_ID_CDNS_USBSS), + .class = PCI_CLASS_SERIAL_USB_CDNS }, { 0, } }; static struct pci_driver cdnsp_pci_driver = { .name = "cdnsp-pci", - .id_table = &cdnsp_pci_ids[0], + .id_table = cdnsp_pci_ids, .probe = cdnsp_pci_probe, .remove = cdnsp_pci_remove, .driver = { |