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| author | Hans Petter Selasky <hselasky@FreeBSD.org> | 2016-05-10 17:51:17 +0000 |
|---|---|---|
| committer | Hans Petter Selasky <hselasky@FreeBSD.org> | 2016-05-10 17:51:17 +0000 |
| commit | f2dbb750f41b6dc70f6693157c726d0b5e534be2 (patch) | |
| tree | d872c43aa48fefdfb89533c6d3183d691061c376 | |
| parent | 6351d60947cae8866ee958b2d42f7c588dd50f64 (diff) | |
| download | src-f2dbb750f41b6dc70f6693157c726d0b5e534be2.tar.gz src-f2dbb750f41b6dc70f6693157c726d0b5e534be2.zip | |
Implement ioremap_wt() and use that in the MEMREMAP_WT case for i386
and amd64.
Suggested by: cem @
Discussed with: kmacy @
MFC after: 1 week
Sponsored by: Mellanox Technologies
Notes
Notes:
svn path=/head/; revision=299379
| -rw-r--r-- | sys/compat/linuxkpi/common/include/linux/io.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/io.h b/sys/compat/linuxkpi/common/include/linux/io.h index aad6b73724ea..d4376efee78d 100644 --- a/sys/compat/linuxkpi/common/include/linux/io.h +++ b/sys/compat/linuxkpi/common/include/linux/io.h @@ -183,6 +183,8 @@ void *_ioremap_attr(vm_paddr_t phys_addr, unsigned long size, int attr); _ioremap_attr((addr), (size), VM_MEMATTR_WRITE_COMBINING) #define ioremap_wb(addr, size) \ _ioremap_attr((addr), (size), VM_MEMATTR_WRITE_BACK) +#define ioremap_wt(addr, size) \ + _ioremap_attr((addr), (size), VM_MEMATTR_WRITE_THROUGH) #define ioremap(addr, size) \ _ioremap_attr((addr), (size), VM_MEMATTR_UNCACHEABLE) void iounmap(void *addr); @@ -227,7 +229,7 @@ memremap(resource_size_t offset, size_t size, unsigned long flags) (addr = ioremap_wb(offset, size)) != NULL) goto done; if ((flags & MEMREMAP_WT) && - (addr = ioremap_nocache(offset, size)) != NULL) + (addr = ioremap_wt(offset, size)) != NULL) goto done; if ((flags & MEMREMAP_WC) && (addr = ioremap_wc(offset, size)) != NULL) |