diff options
| author | Olof Johansson <olof@lixom.net> | 2019-12-05 13:16:58 -0800 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2019-12-05 13:18:54 -0800 |
| commit | 942e6f8a8314e5550e254519dfba4ccd5170421d (patch) | |
| tree | 75ec655b440fbc1c454247af38b5596dd8c78de9 /arch/powerpc/mm/book3s32/mmu.c | |
| parent | 336bab731be76a90291697e51d2aed0ad67d7cb5 (diff) | |
| parent | b08baef02b26cf7c2123e4a24a2fa1fb7a593ffb (diff) | |
Merge mainline/master into arm/fixes
This brings in the mainline tree right after armsoc contents was merged
this release cycle, so that we can re-run savedefconfig, etc.
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/powerpc/mm/book3s32/mmu.c')
| -rw-r--r-- | arch/powerpc/mm/book3s32/mmu.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/powerpc/mm/book3s32/mmu.c b/arch/powerpc/mm/book3s32/mmu.c index 84d5fab94f8f..69b2419accef 100644 --- a/arch/powerpc/mm/book3s32/mmu.c +++ b/arch/powerpc/mm/book3s32/mmu.c @@ -251,9 +251,18 @@ void __init setbat(int index, unsigned long virt, phys_addr_t phys, { unsigned int bl; int wimgxpp; - struct ppc_bat *bat = BATS[index]; + struct ppc_bat *bat; unsigned long flags = pgprot_val(prot); + if (index == -1) + index = find_free_bat(); + if (index == -1) { + pr_err("%s: no BAT available for mapping 0x%llx\n", __func__, + (unsigned long long)phys); + return; + } + bat = BATS[index]; + if ((flags & _PAGE_NO_CACHE) || (cpu_has_feature(CPU_FTR_NEED_COHERENT) == 0)) flags &= ~_PAGE_COHERENT; |