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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-09-04 09:22:54 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-09-04 09:22:54 -0700 |
commit | a6cbfa1e6d38c4b3ab0ce7e3aea4bb4e744f24b8 (patch) | |
tree | 8960e571a398b5d32e72bdb9c89ce965daa870ab /drivers/misc/cxl/main.c | |
parent | f5308d1b83eba20e69df5e0926ba7257c8dd9074 (diff) | |
parent | 08d6ac9ee5fedd82040bc878705981b67a116a3f (diff) |
Merge branch 'next' into for-linus
Prepare input updates for 4.14 merge window.
Diffstat (limited to 'drivers/misc/cxl/main.c')
-rw-r--r-- | drivers/misc/cxl/main.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/misc/cxl/main.c b/drivers/misc/cxl/main.c index 1703655072b1..c1ba0d42cbc8 100644 --- a/drivers/misc/cxl/main.c +++ b/drivers/misc/cxl/main.c @@ -329,8 +329,15 @@ static int __init init_cxl(void) cxl_debugfs_init(); - if ((rc = register_cxl_calls(&cxl_calls))) - goto err; + /* + * we don't register the callback on P9. slb callack is only + * used for the PSL8 MMU and CX4. + */ + if (cxl_is_power8()) { + rc = register_cxl_calls(&cxl_calls); + if (rc) + goto err; + } if (cpu_has_feature(CPU_FTR_HVMODE)) { cxl_ops = &cxl_native_ops; @@ -347,7 +354,8 @@ static int __init init_cxl(void) return 0; err1: - unregister_cxl_calls(&cxl_calls); + if (cxl_is_power8()) + unregister_cxl_calls(&cxl_calls); err: cxl_debugfs_exit(); cxl_file_exit(); @@ -366,7 +374,8 @@ static void exit_cxl(void) cxl_debugfs_exit(); cxl_file_exit(); - unregister_cxl_calls(&cxl_calls); + if (cxl_is_power8()) + unregister_cxl_calls(&cxl_calls); idr_destroy(&cxl_adapter_idr); } |