mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2025-11-03 22:44:27 -05:00
189 lines
5.0 KiB
Diff
189 lines
5.0 KiB
Diff
--- a/drivers/usb/host/ohci-ssb.c
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+++ b/drivers/usb/host/ohci-ssb.c
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@@ -17,6 +17,8 @@
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*/
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#include <linux/ssb/ssb.h>
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+extern int ssb_ehci_attach(struct ssb_device *dev, struct usb_hcd **hcd);
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+extern void ssb_ehci_detach(struct ssb_device *dev, struct usb_hcd *hcd);
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#define SSB_OHCI_TMSLOW_HOSTMODE (1 << 29)
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@@ -24,6 +26,9 @@ struct ssb_ohci_device {
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struct ohci_hcd ohci; /* _must_ be at the beginning. */
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u32 enable_flags;
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+#ifdef CONFIG_USB_EHCI_HCD_SSB
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+ struct usb_hcd *ehci_hcd;
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+#endif
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};
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static inline
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@@ -92,6 +97,9 @@ static const struct hc_driver ssb_ohci_h
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static void ssb_ohci_detach(struct ssb_device *dev)
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{
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struct usb_hcd *hcd = ssb_get_drvdata(dev);
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+#ifdef CONFIG_USB_EHCI_HCD_SSB
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+ struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd);
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+#endif
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if (hcd->driver->shutdown)
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hcd->driver->shutdown(hcd);
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@@ -99,6 +107,14 @@ static void ssb_ohci_detach(struct ssb_d
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iounmap(hcd->regs);
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release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
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usb_put_hcd(hcd);
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+
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+#ifdef CONFIG_USB_EHCI_HCD_SSB
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+ /*
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+ * Also detach ehci function
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+ */
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+ if (dev->id.coreid == SSB_DEV_USB20_HOST)
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+ ssb_ehci_detach(dev, ohcidev->ehci_hcd);
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+#endif
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ssb_device_disable(dev, 0);
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}
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@@ -121,6 +137,9 @@ static int ssb_ohci_attach(struct ssb_de
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/*
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* USB 2.0 special considerations:
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*
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+ * Since the core supports both OHCI and EHCI functions,
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+ * it must only be reset once.
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+ *
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* In addition to the standard SSB reset sequence, the Host
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* Control Register must be programmed to bring the USB core
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* and various phy components out of reset.
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@@ -175,6 +194,14 @@ static int ssb_ohci_attach(struct ssb_de
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ssb_set_drvdata(dev, hcd);
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+#ifdef CONFIG_USB_EHCI_HCD_SSB
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+ /*
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+ * attach ehci function in this core
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+ */
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+ if (dev->id.coreid == SSB_DEV_USB20_HOST)
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+ err = ssb_ehci_attach(dev, &(ohcidev->ehci_hcd));
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+#endif
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+
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return err;
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err_iounmap:
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--- a/drivers/usb/host/ehci-ssb.c
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+++ b/drivers/usb/host/ehci-ssb.c
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@@ -106,10 +106,18 @@ static void ssb_ehci_detach(struct ssb_d
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iounmap(hcd->regs);
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release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
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usb_put_hcd(hcd);
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+#ifndef CONFIG_USB_OHCI_HCD_SSB
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+ ssb_device_disable(dev, 0);
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+#endif
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ssb_device_disable(dev, 0);
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}
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+EXPORT_SYMBOL_GPL(ssb_ehci_detach);
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+#ifndef CONFIG_USB_OHCI_HCD_SSB
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static int ssb_ehci_attach(struct ssb_device *dev)
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+#else
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+static int ssb_ehci_attach(struct ssb_device *dev, struct usb_hcd **ehci_hcd)
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+#endif
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{
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struct ssb_ehci_device *ehcidev;
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struct usb_hcd *hcd;
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@@ -120,6 +128,7 @@ static int ssb_ehci_attach(struct ssb_de
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dma_set_coherent_mask(dev->dma_dev, DMA_BIT_MASK(32)))
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return -EOPNOTSUPP;
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+#ifndef CONFIG_USB_OHCI_HCD_SSB
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/*
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* USB 2.0 special considerations:
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*
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@@ -155,6 +164,7 @@ static int ssb_ehci_attach(struct ssb_de
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tmp |= 0x1;
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ssb_write32(dev, 0x89c, tmp);
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}
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+#endif
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hcd = usb_create_hcd(&ssb_ehci_hc_driver, dev->dev,
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dev_name(dev->dev));
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@@ -175,7 +185,11 @@ static int ssb_ehci_attach(struct ssb_de
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if (err)
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goto err_iounmap;
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+#ifndef CONFIG_USB_OHCI_HCD_SSB
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ssb_set_drvdata(dev, hcd);
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+#else
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+ *ehci_hcd = hcd;
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+#endif
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return err;
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@@ -187,7 +201,9 @@ err_dev_disable:
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ssb_device_disable(dev, 0);
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return err;
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}
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+EXPORT_SYMBOL_GPL(ssb_ehci_attach);
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+#ifndef CONFIG_USB_OHCI_HCD_SSB
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static int ssb_ehci_probe(struct ssb_device *dev,
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const struct ssb_device_id *id)
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{
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@@ -238,6 +254,7 @@ static int ssb_ehci_resume(struct ssb_de
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#define ssb_ehci_suspend NULL
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#define ssb_ehci_resume NULL
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#endif /* CONFIG_PM */
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+#endif /* !CONFIG_USB_OHCI_HCD_SSB */
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static const struct ssb_device_id ssb_ehci_table[] = {
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SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB20_HOST, SSB_ANY_REV),
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@@ -245,6 +262,8 @@ static const struct ssb_device_id ssb_eh
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};
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MODULE_DEVICE_TABLE(ssb, ssb_ehci_table);
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+
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+#ifndef CONFIG_USB_OHCI_HCD_SSB
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static struct ssb_driver ssb_ehci_driver = {
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.name = KBUILD_MODNAME,
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.id_table = ssb_ehci_table,
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@@ -253,3 +272,4 @@ static struct ssb_driver ssb_ehci_driver
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.suspend = ssb_ehci_suspend,
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.resume = ssb_ehci_resume,
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};
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+#endif
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--- a/drivers/usb/host/ehci-hcd.c
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+++ b/drivers/usb/host/ehci-hcd.c
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@@ -1297,17 +1297,21 @@ static int __init ehci_hcd_init(void)
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goto clean4;
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#endif
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+#ifndef CONFIG_USB_OHCI_HCD_SSB
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#ifdef SSB_EHCI_DRIVER
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retval = ssb_driver_register(&SSB_EHCI_DRIVER);
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if (retval < 0)
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goto clean5;
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#endif
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+#endif /* !CONFIG_USB_OHCI_HCD_SSB */
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return retval;
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+#ifndef CONFIG_USB_OHCI_HCD_SSB
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#ifdef SSB_EHCI_DRIVER
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/* ssb_driver_unregister(&SSB_EHCI_DRIVER); */
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clean5:
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#endif
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+#endif /* !CONFIG_USB_OHCI_HCD_SSB */
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#ifdef XILINX_OF_PLATFORM_DRIVER
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of_unregister_platform_driver(&XILINX_OF_PLATFORM_DRIVER);
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clean4:
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@@ -1340,9 +1344,11 @@ module_init(ehci_hcd_init);
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static void __exit ehci_hcd_cleanup(void)
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{
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+#ifndef CONFIG_USB_OHCI_HCD_SSB
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#ifdef SSB_EHCI_DRIVER
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ssb_driver_unregister(&SSB_EHCI_DRIVER);
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#endif
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+#endif /* !CONFIG_USB_OHCI_HCD_SSB */
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#ifdef XILINX_OF_PLATFORM_DRIVER
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of_unregister_platform_driver(&XILINX_OF_PLATFORM_DRIVER);
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#endif
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