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https://github.com/edk2-porting/linux-next.git
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255a69a94b
sparc32 is the last platform making dynamic decisions in get_arch_dma_ops based on the bus passed in. Instead set the iommu dma_ops at iommu probing and propagate them in of_propagate_archdata, falling back to the NULL ops for the direct mapping in the Leon or PCI case. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
23 lines
704 B
C
23 lines
704 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* fault_32.c - visible as they are called from assembler */
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asmlinkage int lookup_fault(unsigned long pc, unsigned long ret_pc,
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unsigned long address);
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asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write,
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unsigned long address);
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void window_overflow_fault(void);
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void window_underflow_fault(unsigned long sp);
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void window_ret_fault(struct pt_regs *regs);
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/* srmmu.c */
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extern char *srmmu_name;
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extern int viking_mxcc_present;
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extern int flush_page_for_dma_global;
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extern void (*poke_srmmu)(void);
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void __init srmmu_paging_init(void);
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/* iommu.c */
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void ld_mmu_iommu(void);
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