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d7b1787161
Already during the subdevice initialization time, devices will need to reference Intel TH controller descriptor structure. This patch moves setting the drvdata from the pci glue to intel_th core, before subdevices are populated. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
94 lines
2.2 KiB
C
94 lines
2.2 KiB
C
/*
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* Intel(R) Trace Hub pci driver
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*
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* Copyright (C) 2014-2015 Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/types.h>
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#include <linux/module.h>
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#include <linux/device.h>
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#include <linux/sysfs.h>
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#include <linux/pci.h>
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#include "intel_th.h"
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#define DRIVER_NAME "intel_th_pci"
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#define BAR_MASK (BIT(TH_MMIO_CONFIG) | BIT(TH_MMIO_SW))
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static int intel_th_pci_probe(struct pci_dev *pdev,
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const struct pci_device_id *id)
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{
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struct intel_th *th;
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int err;
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err = pcim_enable_device(pdev);
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if (err)
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return err;
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err = pcim_iomap_regions_request_all(pdev, BAR_MASK, DRIVER_NAME);
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if (err)
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return err;
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th = intel_th_alloc(&pdev->dev, pdev->resource,
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DEVICE_COUNT_RESOURCE, pdev->irq);
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if (IS_ERR(th))
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return PTR_ERR(th);
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return 0;
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}
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static void intel_th_pci_remove(struct pci_dev *pdev)
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{
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struct intel_th *th = pci_get_drvdata(pdev);
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intel_th_free(th);
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}
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static const struct pci_device_id intel_th_pci_id_table[] = {
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{
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PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x9d26),
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.driver_data = (kernel_ulong_t)0,
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},
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{
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PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xa126),
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.driver_data = (kernel_ulong_t)0,
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},
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{
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/* Apollo Lake */
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PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x5a8e),
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.driver_data = (kernel_ulong_t)0,
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},
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{
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/* Broxton */
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PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0a80),
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.driver_data = (kernel_ulong_t)0,
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},
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{ 0 },
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};
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MODULE_DEVICE_TABLE(pci, intel_th_pci_id_table);
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static struct pci_driver intel_th_pci_driver = {
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.name = DRIVER_NAME,
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.id_table = intel_th_pci_id_table,
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.probe = intel_th_pci_probe,
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.remove = intel_th_pci_remove,
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};
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module_pci_driver(intel_th_pci_driver);
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MODULE_LICENSE("GPL v2");
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MODULE_DESCRIPTION("Intel(R) Trace Hub PCI controller driver");
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MODULE_AUTHOR("Alexander Shishkin <alexander.shishkin@intel.com>");
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