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| author | Christoph Hellwig <hch@lst.de> | 2021-02-10 10:56:38 +0100 |
|---|---|---|
| committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2021-02-13 09:51:45 +0100 |
| commit | 14ac09a65e19528ca05df56f8e36a4a8d4949795 (patch) | |
| tree | 87df70b91b37c256417ee8063edec8d82a635dd2 /arch/mips/kernel/setup.c | |
| parent | 3440caf5f28c4e4a585dd5a7cead1b7c414973da (diff) | |
| download | lwn-14ac09a65e19528ca05df56f8e36a4a8d4949795.tar.gz lwn-14ac09a65e19528ca05df56f8e36a4a8d4949795.zip | |
MIPS: refactor the runtime coherent vs noncoherent DMA indicators
Replace the global coherentio enum, and the hw_coherentio (fake) boolean
variables with a single boolean dma_default_coherent flag.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips/kernel/setup.c')
| -rw-r--r-- | arch/mips/kernel/setup.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 9a761ba36b6e..6008f45ad081 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -803,14 +803,12 @@ arch_initcall(debugfs_mips); #endif #ifdef CONFIG_DMA_MAYBE_COHERENT -/* User defined DMA coherency from command line. */ -enum coherent_io_user_state coherentio = IO_COHERENCE_DEFAULT; -EXPORT_SYMBOL_GPL(coherentio); -int hw_coherentio; /* Actual hardware supported DMA coherency setting. */ +bool dma_default_coherent; +EXPORT_SYMBOL_GPL(dma_default_coherent); static int __init setcoherentio(char *str) { - coherentio = IO_COHERENCE_ENABLED; + dma_default_coherent = true; pr_info("Hardware DMA cache coherency (command line)\n"); return 0; } @@ -818,7 +816,7 @@ early_param("coherentio", setcoherentio); static int __init setnocoherentio(char *str) { - coherentio = IO_COHERENCE_DISABLED; + dma_default_coherent = true; pr_info("Software DMA cache coherency (command line)\n"); return 0; } |