Messages in this thread Patch in this message | | | Date | Wed, 4 May 2016 00:18:02 -0700 | From | tip-bot for Mike Travis <> | Subject | [tip:x86/platform] x86/platform/UV: Update MMIOH setup function to work for both UV3 and UV4 |
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Commit-ID: a2f28e6950cec75320a8c3c8747a6e3ad08cfd2b Gitweb: http://git.kernel.org/tip/a2f28e6950cec75320a8c3c8747a6e3ad08cfd2b Author: Mike Travis <travis@sgi.com> AuthorDate: Fri, 29 Apr 2016 16:54:11 -0500 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Wed, 4 May 2016 08:48:48 +0200
x86/platform/UV: Update MMIOH setup function to work for both UV3 and UV4
Since UV3 and UV4 MMIOH regions are setup the same, we can use a common function to setup both.
Tested-by: John Estabrook <estabrook@sgi.com> Tested-by: Gary Kroening <gfk@sgi.com> Tested-by: Nathan Zimmer <nzimmer@sgi.com> Signed-off-by: Mike Travis <travis@sgi.com> Reviewed-by: Dimitri Sivanich <sivanich@sgi.com> Cc: Andrew Banman <abanman@sgi.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Len Brown <len.brown@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Russ Anderson <rja@sgi.com> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20160429215404.100504077@asylum.americas.sgi.com Signed-off-by: Ingo Molnar <mingo@kernel.org> --- arch/x86/kernel/apic/x2apic_uv_x.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index db5d980..4ca87b9 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -608,6 +608,7 @@ static __initdata struct mmioh_config mmiohs[] = { }, }; +/* UV3 & UV4 have identical MMIOH overlay configs */ static __init void map_mmioh_high_uv3(int index, int min_pnode, int max_pnode) { union uv3h_rh_gam_mmioh_overlay_config0_mmr_u overlay; @@ -687,7 +688,7 @@ static __init void map_mmioh_high(int min_pnode, int max_pnode) unsigned long mmr, base; int shift, enable, m_io, n_io; - if (is_uv3_hub()) { + if (is_uv3_hub() || is_uv4_hub()) { /* Map both MMIOH Regions */ map_mmioh_high_uv3(0, min_pnode, max_pnode); map_mmioh_high_uv3(1, min_pnode, max_pnode);
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