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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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de7ee503f2
Introduce a boolean flag and an accessor function to check whether a device is dma_coherent. Set the flag from set_arch_dma_coherent_ops. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
31 lines
851 B
C
31 lines
851 B
C
/*
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* Copyright (C) 2012 ARM Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* 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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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ASM_DEVICE_H
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#define __ASM_DEVICE_H
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struct dev_archdata {
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struct dma_map_ops *dma_ops;
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#ifdef CONFIG_IOMMU_API
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void *iommu; /* private IOMMU data */
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#endif
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bool dma_coherent;
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};
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struct pdev_archdata {
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};
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#endif
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