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| author | David S. Miller <davem@davemloft.net> | 2019-12-23 02:15:05 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-12-23 02:15:05 +0300 |
| commit | ac80010fc94eb0680d9a432b639583bd7ac29066 (patch) | |
| tree | 2de924c048910abfbfff52a3d5188a790ead379f /arch/nios2/mm/ioremap.c | |
| parent | cfeec3fb5451c2edd0569c0c245868612a417e5f (diff) | |
| parent | c60174717544aa8959683d7e19d568309c3a0c65 (diff) | |
| download | linux-ac80010fc94eb0680d9a432b639583bd7ac29066.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Mere overlapping changes in the conflicts here.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/nios2/mm/ioremap.c')
| -rw-r--r-- | arch/nios2/mm/ioremap.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/nios2/mm/ioremap.c b/arch/nios2/mm/ioremap.c index b56af759dcdf..819bdfcc2e71 100644 --- a/arch/nios2/mm/ioremap.c +++ b/arch/nios2/mm/ioremap.c @@ -138,6 +138,14 @@ void __iomem *ioremap(unsigned long phys_addr, unsigned long size) return NULL; } + /* + * Map uncached objects in the low part of address space to + * CONFIG_NIOS2_IO_REGION_BASE + */ + if (IS_MAPPABLE_UNCACHEABLE(phys_addr) && + IS_MAPPABLE_UNCACHEABLE(last_addr)) + return (void __iomem *)(CONFIG_NIOS2_IO_REGION_BASE + phys_addr); + /* Mappings have to be page-aligned */ offset = phys_addr & ~PAGE_MASK; phys_addr &= PAGE_MASK; |