powerpc: Add pgprot_cached_noncoherent()
This adds a pgprot combination required by some cache-enabled IO device mappings, such as Freescale datapath (QMan and BMan) portals. Signed-off-by: Geoff Thorpe <geoff@geoffthorpe.net> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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@ -170,6 +170,9 @@ extern int ptep_set_access_flags(struct vm_area_struct *vma, unsigned long addre
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#define pgprot_cached_wthru(prot) (__pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) | \
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#define pgprot_cached_wthru(prot) (__pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) | \
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_PAGE_COHERENT | _PAGE_WRITETHRU))
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_PAGE_COHERENT | _PAGE_WRITETHRU))
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#define pgprot_cached_noncoherent(prot) \
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(__pgprot(pgprot_val(prot) & ~_PAGE_CACHE_CTL))
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#define pgprot_writecombine pgprot_noncached_wc
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#define pgprot_writecombine pgprot_noncached_wc
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struct file;
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struct file;
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