Re: [v3,01/24] powerpc/32: Add ioremap_wt() and ioremap_coherent()

[PATCH v3 00/24] ban the use of _PAGE_XXX flags outside platform specific code · Christophe Leroy <hidden> · 2018-10-09
[PATCH v3 01/24] powerpc/32: Add ioremap_wt() and ioremap_coherent() · Christophe Leroy <hidden> · 2018-10-09
Re: [v3,01/24] powerpc/32: Add ioremap_wt() and ioremap_coherent() · Michael Ellerman <hidden> · 2018-10-15
[PATCH v3 03/24] drivers/block/z2ram: use ioremap_wt() instead of __ioremap(_PAGE_WRITETHRU) · Christophe Leroy <hidden> · 2018-10-09
Re: [PATCH v3 03/24] drivers/block/z2ram: use ioremap_wt() instead of __ioremap(_PAGE_WRITETHRU) · Bart Van Assche <bvanassche@acm.org> · 2018-10-09
Re: [PATCH v3 03/24] drivers/block/z2ram: use ioremap_wt() instead of __ioremap(_PAGE_WRITETHRU) · Geert Uytterhoeven <geert@linux-m68k.org> · 2018-10-09
[PATCH v3 05/24] powerpc: don't use ioremap_prot() nor __ioremap() unless really needed. · Christophe Leroy <hidden> · 2018-10-09
[PATCH v3 06/24] powerpc/mm: properly set PAGE_KERNEL flags in ioremap() · Christophe Leroy <hidden> · 2018-10-09
Re: [PATCH v3 06/24] powerpc/mm: properly set PAGE_KERNEL flags in ioremap() · Michael Ellerman <mpe@ellerman.id.au> · 2018-10-14
Re: [PATCH v3 06/24] powerpc/mm: properly set PAGE_KERNEL flags in ioremap() · Michael Ellerman <mpe@ellerman.id.au> · 2018-10-14
Re: [PATCH v3 06/24] powerpc/mm: properly set PAGE_KERNEL flags in ioremap() · LEROY Christophe <hidden> · 2018-10-14
Re: [PATCH v3 06/24] powerpc/mm: properly set PAGE_KERNEL flags in ioremap() · Michael Ellerman <mpe@ellerman.id.au> · 2018-10-15
Re: [PATCH v3 06/24] powerpc/mm: properly set PAGE_KERNEL flags in ioremap() · LEROY Christophe <hidden> · 2018-10-14
Re: [PATCH v3 06/24] powerpc/mm: properly set PAGE_KERNEL flags in ioremap() · LEROY Christophe <hidden> · 2018-10-14
[PATCH v3 07/24] powerpc: handover page flags with a pgprot_t parameter · Christophe Leroy <hidden> · 2018-10-09
[PATCH v3 08/24] powerpc/mm: don't use _PAGE_EXEC in book3s/32 · Christophe Leroy <hidden> · 2018-10-09
[PATCH v3 09/24] powerpc/mm: move some nohash pte helpers in nohash/[32:64]/pgtable.h · Christophe Leroy <hidden> · 2018-10-09
[PATCH v3 10/24] powerpc/mm: add pte helpers to query and change pte flags · Christophe Leroy <hidden> · 2018-10-09
[PATCH v3 11/24] powerpc/mm: don't use _PAGE_EXEC for calling hash_preload() · Christophe Leroy <hidden> · 2018-10-09
[PATCH v3 12/24] powerpc/mm: use pte helpers in generic code · Christophe Leroy <hidden> · 2018-10-09
Crash on FSL Book3E due to pte_pgprot()? (was Re: [PATCH v3 12/24] powerpc/mm: use pte helpers in generic code) · Michael Ellerman <mpe@ellerman.id.au> · 2018-10-17
Re: Crash on FSL Book3E due to pte_pgprot()? (was Re: [PATCH v3 12/24] powerpc/mm: use pte helpers in generic code) · Christophe Leroy <hidden> · 2018-10-17
Re: Crash on FSL Book3E due to pte_pgprot()? (was Re: [PATCH v3 12/24] powerpc/mm: use pte helpers in generic code) · Aneesh Kumar K.V <hidden> · 2018-10-17
Re: Crash on FSL Book3E due to pte_pgprot()? (was Re: [PATCH v3 12/24] powerpc/mm: use pte helpers in generic code) · Christophe LEROY <hidden> · 2018-10-17
Re: Crash on FSL Book3E due to pte_pgprot()? (was Re: [PATCH v3 12/24] powerpc/mm: use pte helpers in generic code) · Michael Ellerman <mpe@ellerman.id.au> · 2018-10-17
Re: Crash on FSL Book3E due to pte_pgprot()? (was Re: [PATCH v3 12/24] powerpc/mm: use pte helpers in generic code) · Christophe Leroy <hidden> · 2018-10-17
Re: Crash on FSL Book3E due to pte_pgprot()? (was Re: [PATCH v3 12/24] powerpc/mm: use pte helpers in generic code) · Aneesh Kumar K.V <hidden> · 2018-10-17
[PATCH v3 14/24] powerpc/mm: drop unused page flags · Christophe Leroy <hidden> · 2018-10-09
[PATCH v3 15/24] powerpc/mm: move __P and __S tables in the common pgtable.h · Christophe Leroy <hidden> · 2018-10-09
[PATCH v3 17/24] powerpc/mm: Move pte_user() into nohash/pgtable.h · Christophe Leroy <hidden> · 2018-10-09
[PATCH v3 20/24] powerpc/mm: Allow platforms to redefine some helpers · Christophe Leroy <hidden> · 2018-10-09
[PATCH v3 19/24] powerpc/nohash/64: do not include pte-common.h · Christophe Leroy <hidden> · 2018-10-09
[PATCH v3 21/24] powerpc/mm: Define platform default caches related flags · Christophe Leroy <hidden> · 2018-10-09
[PATCH v3 22/24] powerpc/mm: Get rid of pte-common.h · Christophe Leroy <hidden> · 2018-10-09
[PATCH v3 23/24] powerpc/8xx: change name of a few page flags to avoid confusion · Christophe Leroy <hidden> · 2018-10-09
[PATCH v3 24/24] powerpc/book3s64: Avoid multiple endian conversion in pte helpers · Christophe Leroy <hidden> · 2018-10-09
[PATCH v3 18/24] powerpc/mm: Distribute platform specific PAGE and PMD flags and definitions · Christophe Leroy <hidden> · 2018-10-09
[PATCH v3 16/24] powerpc/book3s/32: do not include pte-common.h · Christophe Leroy <hidden> · 2018-10-09
[PATCH v3 13/24] powerpc/mm: Split dump_pagelinuxtables flag_array table · Christophe Leroy <hidden> · 2018-10-09
[PATCH v3 04/24] soc/fsl/qbman: use ioremap_cache() instead of ioremap_prot(0) · Christophe Leroy <hidden> · 2018-10-09
[PATCH v3 02/24] drivers/video/fbdev: use ioremap_wc/wt() instead of __ioremap() · Christophe Leroy <hidden> · 2018-10-09
Re: [PATCH v3 02/24] drivers/video/fbdev: use ioremap_wc/wt() instead of __ioremap() · Christophe LEROY <hidden> · 2018-10-11

From: Michael Ellerman <hidden>
Date: 2018-10-15 04:01:09
Also in: dri-devel, linux-arm-kernel, linux-block, linuxppc-dev, lkml

On Tue, 2018-10-09 at 13:51:33 UTC, Christophe Leroy wrote:

Other arches have ioremap_wt() to map IO areas write-through.
Implement it on PPC as well in order to avoid drivers using
__ioremap(_PAGE_WRITETHRU)

Also implement ioremap_coherent() to avoid drivers using
__ioremap(_PAGE_COHERENT)

Signed-off-by: Christophe Leroy <redacted>

Series applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/86c391bd5f47101acf1f3e0abd9fe0

cheers

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