c1426d392a
pvpanic-mmio.c and pvpanic-pci.c share a lot of code. Refactor it into pvpanic.c where it doesn't have to be kept in sync manually and where the core logic can be understood more easily. No functional change. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Link: https://lore.kernel.org/r/20231011-pvpanic-cleanup-v2-1-4b21d56f779f@weissschuh.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Pvpanic PCI Device Support
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*
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* Copyright (C) 2021 Oracle.
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/pci.h>
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#include <linux/types.h>
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#include <linux/slab.h>
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#include <uapi/misc/pvpanic.h>
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#include "pvpanic.h"
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#define PCI_VENDOR_ID_REDHAT 0x1b36
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#define PCI_DEVICE_ID_REDHAT_PVPANIC 0x0011
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MODULE_AUTHOR("Mihai Carabas <mihai.carabas@oracle.com>");
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MODULE_DESCRIPTION("pvpanic device driver");
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MODULE_LICENSE("GPL");
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static int pvpanic_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
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{
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void __iomem *base;
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int ret;
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ret = pcim_enable_device(pdev);
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if (ret < 0)
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return ret;
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base = pcim_iomap(pdev, 0, 0);
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if (!base)
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return -ENOMEM;
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return devm_pvpanic_probe(&pdev->dev, base);
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}
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static const struct pci_device_id pvpanic_pci_id_tbl[] = {
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{ PCI_DEVICE(PCI_VENDOR_ID_REDHAT, PCI_DEVICE_ID_REDHAT_PVPANIC)},
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{}
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};
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MODULE_DEVICE_TABLE(pci, pvpanic_pci_id_tbl);
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static struct pci_driver pvpanic_pci_driver = {
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.name = "pvpanic-pci",
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.id_table = pvpanic_pci_id_tbl,
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.probe = pvpanic_pci_probe,
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.driver = {
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.dev_groups = pvpanic_dev_groups,
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},
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};
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module_pci_driver(pvpanic_pci_driver);
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