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49 lines
1.1 KiB
49 lines
1.1 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Virtual EISA root driver. |
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* Acts as a placeholder if we don't have a proper EISA bridge. |
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* |
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* (C) 2003 Marc Zyngier <[email protected]> |
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* modified for SNI usage by Thomas Bogendoerfer |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/platform_device.h> |
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#include <linux/eisa.h> |
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#include <linux/init.h> |
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/* The default EISA device parent (virtual root device). |
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* Now use a platform device, since that's the obvious choice. */ |
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static struct platform_device eisa_root_dev = { |
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.name = "eisa", |
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.id = 0, |
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}; |
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static struct eisa_root_device eisa_bus_root = { |
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.dev = &eisa_root_dev.dev, |
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.bus_base_addr = 0, |
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.res = &ioport_resource, |
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.slots = EISA_MAX_SLOTS, |
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.dma_mask = 0xffffffff, |
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.force_probe = 1, |
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}; |
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int __init sni_eisa_root_init(void) |
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{ |
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int r; |
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r = platform_device_register(&eisa_root_dev); |
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if (!r) |
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return r; |
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dev_set_drvdata(&eisa_root_dev.dev, &eisa_bus_root); |
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if (eisa_root_register(&eisa_bus_root)) { |
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/* A real bridge may have been registered before |
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* us. So quietly unregister. */ |
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platform_device_unregister(&eisa_root_dev); |
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return -1; |
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} |
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return 0; |
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}
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