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Date: Tue, 10 Jul 2018 09:15:17 +0200 From: Mathieu Malaterre <malat@...ian.org> To: Serge Semin <fancer.lancer@...il.com> Cc: Ralf Baechle <ralf@...ux-mips.org>, Paul Burton <paul.burton@...s.com>, James Hogan <jhogan@...nel.org>, okaya@...eaurora.org, chenhc@...ote.com, Sergey.Semin@...latforms.ru, Linux-MIPS <linux-mips@...ux-mips.org>, LKML <linux-kernel@...r.kernel.org>, "# v4 . 11" <stable@...r.kernel.org> Subject: Re: [PATCH 2/2] mips: mm: Discard ioremap_uncached_accelerated() method ' On Mon, Jul 9, 2018 at 3:57 PM Serge Semin <fancer.lancer@...il.com> wrote: > > Adaptive ioremap_wc() method is now available (see "mips: mm: > Create UCA-based ioremap_wc() method" commit). We can use it for > UCA-featured MMIO transactions in the kernel, so we don't need > it platform clone ioremap_uncached_accelerated() being declard. > Seeing it is also unused anywhere in the kernel code, lets remove > it from io.h arch-specific header then. > > Signed-off-by: Serge Semin <fancer.lancer@...il.com> > Singed-off-by: Paul Burton <paul.burton@...s.com> nit: 'Signed' (on both patches) > Cc: James Hogan <jhogan@...nel.org> > Cc: Ralf Baechle <ralf@...ux-mips.org> > Cc: linux-mips@...ux-mips.org > Cc: stable@...r.kernel.org > --- > arch/mips/include/asm/io.h | 8 ++------ > 1 file changed, 2 insertions(+), 6 deletions(-) > > diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h > index babe5155a..360b7ddeb 100644 > --- a/arch/mips/include/asm/io.h > +++ b/arch/mips/include/asm/io.h > @@ -301,15 +301,11 @@ static inline void __iomem * __ioremap_mode(phys_addr_t offset, unsigned long si > __ioremap_mode((offset), (size), boot_cpu_data.writecombine) > > /* > - * These two are MIPS specific ioremap variant. ioremap_cacheable_cow > - * requests a cachable mapping, ioremap_uncached_accelerated requests a > - * mapping using the uncached accelerated mode which isn't supported on > - * all processors. > + * This is a MIPS specific ioremap variant. ioremap_cacheable_cow > + * requests a cachable mapping with CWB attribute enabled. > */ > #define ioremap_cacheable_cow(offset, size) \ > __ioremap_mode((offset), (size), _CACHE_CACHABLE_COW) > -#define ioremap_uncached_accelerated(offset, size) \ > - __ioremap_mode((offset), (size), _CACHE_UNCACHED_ACCELERATED) > > static inline void iounmap(const volatile void __iomem *addr) > { > -- > 2.12.0 > >
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