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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-03 15:48:23 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-03 15:48:23 -0700 |
| commit | 3de0ef8d0d3350964720cad2a0a72984f1bb81ba (patch) | |
| tree | 86af0fe2a66c9975d9740e82a7ae1530280b8b38 /drivers/misc/sgi-gru | |
| parent | 06b77b97338e906e8af73a9b5f97b9162aac239d (diff) | |
| parent | fe455b17de6c881eecf4f9784c3b0483a5e3d19e (diff) | |
| download | linux-3de0ef8d0d3350964720cad2a0a72984f1bb81ba.tar.gz linux-3de0ef8d0d3350964720cad2a0a72984f1bb81ba.tar.bz2 linux-3de0ef8d0d3350964720cad2a0a72984f1bb81ba.zip | |
Merge branch 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next
Pull x86/UV changes from Ingo Molnar:
"Continued updates for SGI UV 3 hardware support"
* 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/UV: Fix conditional in gru_exit()
x86/UV: Set n_lshift based on GAM_GR_CONFIG MMR for UV3
Diffstat (limited to 'drivers/misc/sgi-gru')
| -rw-r--r-- | drivers/misc/sgi-gru/grufile.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/misc/sgi-gru/grufile.c b/drivers/misc/sgi-gru/grufile.c index 0535d1e0bc78..104a05f6b738 100644 --- a/drivers/misc/sgi-gru/grufile.c +++ b/drivers/misc/sgi-gru/grufile.c @@ -6,7 +6,7 @@ * This file supports the user system call for file open, close, mmap, etc. * This also incudes the driver initialization code. * - * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2008-2014 Silicon Graphics, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -58,6 +58,11 @@ static int max_user_cbrs, max_user_dsr_bytes; static struct miscdevice gru_miscdev; +static int gru_supported(void) +{ + return is_uv_system() && + (uv_hub_info->hub_revision < UV3_HUB_REVISION_BASE); +} /* * gru_vma_close @@ -518,7 +523,7 @@ static int __init gru_init(void) { int ret; - if (!is_uv_system() || (is_uvx_hub() && !is_uv2_hub())) + if (!gru_supported()) return 0; #if defined CONFIG_IA64 @@ -573,7 +578,7 @@ exit0: static void __exit gru_exit(void) { - if (!is_uv_system()) + if (!gru_supported()) return; gru_teardown_tlb_irqs(); |