mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
556c7bb7df
Set the drvdata pointer at the end of probe function for consistency with other drivers. We don't need the drvdata until after the probe completes, and we don't need it at all if the probe fails. No functional change intended. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
113 lines
3.0 KiB
C
113 lines
3.0 KiB
C
/*
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* Copyright (C) 2015 Broadcom Corporation
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* Copyright (C) 2015 Hauke Mehrtens <hauke@hauke-m.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation version 2.
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*
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* This program is distributed "as is" WITHOUT ANY WARRANTY of any
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* kind, whether express or implied; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/kernel.h>
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#include <linux/pci.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/phy/phy.h>
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#include <linux/bcma/bcma.h>
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#include <linux/ioport.h>
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#include "pcie-iproc.h"
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/* NS: CLASS field is R/O, and set to wrong 0x200 value */
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static void bcma_pcie2_fixup_class(struct pci_dev *dev)
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{
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dev->class = PCI_CLASS_BRIDGE_PCI << 8;
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}
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DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, 0x8011, bcma_pcie2_fixup_class);
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DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, 0x8012, bcma_pcie2_fixup_class);
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static int iproc_pcie_bcma_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
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{
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struct pci_sys_data *sys = dev->sysdata;
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struct iproc_pcie *pcie = sys->private_data;
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struct bcma_device *bdev = container_of(pcie->dev, struct bcma_device, dev);
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return bcma_core_irq(bdev, 5);
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}
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static int iproc_pcie_bcma_probe(struct bcma_device *bdev)
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{
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struct device *dev = &bdev->dev;
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struct iproc_pcie *pcie;
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LIST_HEAD(res);
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struct resource res_mem;
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int ret;
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pcie = devm_kzalloc(dev, sizeof(*pcie), GFP_KERNEL);
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if (!pcie)
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return -ENOMEM;
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pcie->dev = dev;
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pcie->base = bdev->io_addr;
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pcie->base_addr = bdev->addr;
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res_mem.start = bdev->addr_s[0];
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res_mem.end = bdev->addr_s[0] + SZ_128M - 1;
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res_mem.name = "PCIe MEM space";
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res_mem.flags = IORESOURCE_MEM;
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pci_add_resource(&res, &res_mem);
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pcie->map_irq = iproc_pcie_bcma_map_irq;
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ret = iproc_pcie_setup(pcie, &res);
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if (ret)
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dev_err(dev, "PCIe controller setup failed\n");
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pci_free_resource_list(&res);
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bcma_set_drvdata(bdev, pcie);
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return ret;
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}
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static void iproc_pcie_bcma_remove(struct bcma_device *bdev)
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{
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struct iproc_pcie *pcie = bcma_get_drvdata(bdev);
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iproc_pcie_remove(pcie);
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}
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static const struct bcma_device_id iproc_pcie_bcma_table[] = {
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BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_NS_PCIEG2, BCMA_ANY_REV, BCMA_ANY_CLASS),
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{},
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};
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MODULE_DEVICE_TABLE(bcma, iproc_pcie_bcma_table);
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static struct bcma_driver iproc_pcie_bcma_driver = {
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.name = KBUILD_MODNAME,
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.id_table = iproc_pcie_bcma_table,
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.probe = iproc_pcie_bcma_probe,
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.remove = iproc_pcie_bcma_remove,
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};
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static int __init iproc_pcie_bcma_init(void)
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{
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return bcma_driver_register(&iproc_pcie_bcma_driver);
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}
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module_init(iproc_pcie_bcma_init);
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static void __exit iproc_pcie_bcma_exit(void)
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{
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bcma_driver_unregister(&iproc_pcie_bcma_driver);
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}
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module_exit(iproc_pcie_bcma_exit);
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MODULE_AUTHOR("Hauke Mehrtens");
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MODULE_DESCRIPTION("Broadcom iProc PCIe BCMA driver");
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MODULE_LICENSE("GPL v2");
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