threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
#include <linux/pci.h>
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#include <linux/usb.h>
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#include <linux/usb/ehci_def.h>
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#include <linux/usb/hcd.h>
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#include <asm/xen/hypercall.h>
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#include <xen/interface/physdev.h>
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#include <xen/xen.h>
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static int xen_dbgp_op(struct usb_hcd *hcd, int op)
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{
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#ifdef CONFIG_PCI
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const struct device *ctrlr = hcd_to_bus(hcd)->controller;
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#endif
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struct physdev_dbgp_op dbgp;
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if (!xen_initial_domain())
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return 0;
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dbgp.op = op;
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#ifdef CONFIG_PCI
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if (dev_is_pci(ctrlr)) {
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const struct pci_dev *pdev = to_pci_dev(ctrlr);
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dbgp.u.pci.seg = pci_domain_nr(pdev->bus);
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dbgp.u.pci.bus = pdev->bus->number;
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dbgp.u.pci.devfn = pdev->devfn;
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dbgp.bus = PHYSDEVOP_DBGP_BUS_PCI;
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} else
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#endif
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dbgp.bus = PHYSDEVOP_DBGP_BUS_UNKNOWN;
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return HYPERVISOR_physdev_op(PHYSDEVOP_dbgp_op, &dbgp);
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}
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int xen_dbgp_reset_prep(struct usb_hcd *hcd)
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{
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return xen_dbgp_op(hcd, PHYSDEVOP_DBGP_RESET_PREPARE);
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}
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int xen_dbgp_external_startup(struct usb_hcd *hcd)
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{
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return xen_dbgp_op(hcd, PHYSDEVOP_DBGP_RESET_DONE);
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}
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#ifndef CONFIG_EARLY_PRINTK_DBGP
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#include <linux/export.h>
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EXPORT_SYMBOL_GPL(xen_dbgp_reset_prep);
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EXPORT_SYMBOL_GPL(xen_dbgp_external_startup);
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#endif
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