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authorChristoph Hellwig <hch@lst.de>2018-06-15 14:08:52 +0300
committerPaul Burton <paul.burton@mips.com>2018-06-24 19:27:27 +0300
commitd59098a0e9cb3c7767090e935c909b37a30629ab (patch)
treef2e441e3120de9eab00e1cd60b17baa68ba7b9d7 /arch/mips/include/asm/bmips.h
parentfaef87723ace12e5f685437c1e68cbecb69a7a89 (diff)
downloadlinux-d59098a0e9cb3c7767090e935c909b37a30629ab.tar.xz
MIPS: bmips: use generic dma noncoherent ops
Provide phys_to_dma/dma_to_phys helpers, and the special arch_sync_dma_for_cpu_all hook, everything else is generic Signed-off-by: Christoph Hellwig <hch@lst.de> Patchwork: https://patchwork.linux-mips.org/patch/19550/ Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: David Daney <david.daney@cavium.com> Cc: Kevin Cernekee <cernekee@gmail.com> Cc: Jiaxun Yang <jiaxun.yang@flygoat.com> Cc: Tom Bogendoerfer <tsbogend@alpha.franken.de> Cc: Huacai Chen <chenhc@lemote.com> Cc: iommu@lists.linux-foundation.org Cc: linux-mips@linux-mips.org
Diffstat (limited to 'arch/mips/include/asm/bmips.h')
-rw-r--r--arch/mips/include/asm/bmips.h16
1 files changed, 0 insertions, 16 deletions
diff --git a/arch/mips/include/asm/bmips.h b/arch/mips/include/asm/bmips.h
index b3e2975f83d3..bf6a8afd7ad2 100644
--- a/arch/mips/include/asm/bmips.h
+++ b/arch/mips/include/asm/bmips.h
@@ -123,22 +123,6 @@ static inline void bmips_write_zscm_reg(unsigned int offset, unsigned long data)
barrier();
}
-static inline void bmips_post_dma_flush(struct device *dev)
-{
- void __iomem *cbr = BMIPS_GET_CBR();
- u32 cfg;
-
- if (boot_cpu_type() != CPU_BMIPS3300 &&
- boot_cpu_type() != CPU_BMIPS4350 &&
- boot_cpu_type() != CPU_BMIPS4380)
- return;
-
- /* Flush stale data out of the readahead cache */
- cfg = __raw_readl(cbr + BMIPS_RAC_CONFIG);
- __raw_writel(cfg | 0x100, cbr + BMIPS_RAC_CONFIG);
- __raw_readl(cbr + BMIPS_RAC_CONFIG);
-}
-
#endif /* !defined(__ASSEMBLY__) */
#endif /* _ASM_BMIPS_H */