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authorJoachim Fenkes <fenkes@de.ibm.com>2007-07-12 17:47:45 +0200
committerRoland Dreier <rolandd@cisco.com>2007-07-17 18:37:39 -0700
commitfbb9318be4b6eba36482e1275729c5c3dfdf8156 (patch)
tree99bda0d5ac70e61275dc1496d559d1181b5ed185 /drivers/infiniband/hw/ehca
parent8fcea95a2a15444d5cc4bee174bb12233aa0a2aa (diff)
IB/ehca: Fix HW level autodetection
Autodetection was missing a few HW revisions, causing certain eHCA1 revisions to be treated like eHCA2. Fixed. Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/ehca')
-rw-r--r--drivers/infiniband/hw/ehca/ehca_main.c29
1 files changed, 17 insertions, 12 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index 28ba2dd24216..203d01f87c30 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -263,22 +263,27 @@ int ehca_sense_attributes(struct ehca_shca *shca)
ehca_gen_dbg(" ... hardware version=%x:%x", hcaaver, revid);
- if ((hcaaver == 1) && (revid == 0))
- shca->hw_level = 0x11;
- else if ((hcaaver == 1) && (revid == 1))
- shca->hw_level = 0x12;
- else if ((hcaaver == 1) && (revid == 2))
- shca->hw_level = 0x13;
- else if ((hcaaver == 2) && (revid == 0))
- shca->hw_level = 0x21;
- else if ((hcaaver == 2) && (revid == 0x10))
- shca->hw_level = 0x22;
- else {
+ if (hcaaver == 1) {
+ if (revid <= 3)
+ shca->hw_level = 0x10 | (revid + 1);
+ else
+ shca->hw_level = 0x14;
+ } else if (hcaaver == 2) {
+ if (revid == 0)
+ shca->hw_level = 0x21;
+ else if (revid == 0x10)
+ shca->hw_level = 0x22;
+ else if (revid == 0x20 || revid == 0x21)
+ shca->hw_level = 0x23;
+ }
+
+ if (!shca->hw_level) {
ehca_gen_warn("unknown hardware version"
" - assuming default level");
shca->hw_level = 0x22;
}
- }
+ } else
+ shca->hw_level = ehca_hw_level;
ehca_gen_dbg(" ... hardware level=%x", shca->hw_level);
shca->sport[0].rate = IB_RATE_30_GBPS;