diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2023-12-22 18:05:07 -0500 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2023-12-22 18:05:07 -0500 |
| commit | ef5b28372c565128bdce7a59bc78402a8ce68e1b (patch) | |
| tree | 77f549fcf73f8400a34e7a5d51548fafd1533644 /arch/mips/loongson64/env.c | |
| parent | 5c2b2176ead1911d652b8848169bb44bdde75ca8 (diff) | |
| parent | 4ad9843e1ea088bd2529290234c6c4c6374836a7 (diff) | |
Merge tag 'kvm-riscv-fixes-6.7-1' of https://github.com/kvm-riscv/linux into kvm-master
KVM/riscv fixes for 6.7, take #1
- Fix a race condition in updating external interrupt for
trap-n-emulated IMSIC swfile
- Fix print_reg defaults in get-reg-list selftest
Diffstat (limited to 'arch/mips/loongson64/env.c')
| -rw-r--r-- | arch/mips/loongson64/env.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/mips/loongson64/env.c b/arch/mips/loongson64/env.c index c961e2999f15..ef3750a6ffac 100644 --- a/arch/mips/loongson64/env.c +++ b/arch/mips/loongson64/env.c @@ -13,6 +13,8 @@ * Copyright (C) 2009 Lemote Inc. * Author: Wu Zhangjin, wuzhangjin@gmail.com */ + +#include <linux/dma-map-ops.h> #include <linux/export.h> #include <linux/pci_ids.h> #include <asm/bootinfo.h> @@ -147,8 +149,14 @@ void __init prom_lefi_init_env(void) loongson_sysconf.dma_mask_bits = eirq_source->dma_mask_bits; if (loongson_sysconf.dma_mask_bits < 32 || - loongson_sysconf.dma_mask_bits > 64) + loongson_sysconf.dma_mask_bits > 64) { loongson_sysconf.dma_mask_bits = 32; + dma_default_coherent = true; + } else { + dma_default_coherent = !eirq_source->dma_noncoherent; + } + + pr_info("Firmware: Coherent DMA: %s\n", dma_default_coherent ? "on" : "off"); loongson_sysconf.restart_addr = boot_p->reset_system.ResetWarm; loongson_sysconf.poweroff_addr = boot_p->reset_system.Shutdown; |