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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-04-03 10:33:30 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-04-03 10:33:30 +0300 |
| commit | cd8fe5b6dbb3a487bea5f1601437c013a3d56163 (patch) | |
| tree | ba029308f2a2a1d8d4880b0bf84d4972bb501715 /arch/mips/bmips/dma.c | |
| parent | 43ba3d4af7a73ae958207caada6af0612d67f08e (diff) | |
| parent | 7e364e56293bb98cae1b55fd835f5991c4e96e7d (diff) | |
| download | linux-cd8fe5b6dbb3a487bea5f1601437c013a3d56163.tar.xz | |
Merge 6.3-rc5 into driver-core-next
We need the fixes in here for testing, as well as the driver core
changes for documentation updates to build on.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/mips/bmips/dma.c')
| -rw-r--r-- | arch/mips/bmips/dma.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/mips/bmips/dma.c b/arch/mips/bmips/dma.c index 33788668cbdb..3779e7855bd7 100644 --- a/arch/mips/bmips/dma.c +++ b/arch/mips/bmips/dma.c @@ -5,6 +5,8 @@ #include <asm/bmips.h> #include <asm/io.h> +bool bmips_rac_flush_disable; + void arch_sync_dma_for_cpu_all(void) { void __iomem *cbr = BMIPS_GET_CBR(); @@ -15,6 +17,9 @@ void arch_sync_dma_for_cpu_all(void) boot_cpu_type() != CPU_BMIPS4380) return; + if (unlikely(bmips_rac_flush_disable)) + return; + /* Flush stale data out of the readahead cache */ cfg = __raw_readl(cbr + BMIPS_RAC_CONFIG); __raw_writel(cfg | 0x100, cbr + BMIPS_RAC_CONFIG); |