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authorJon Mason <jon.mason@intel.com>2013-07-16 02:33:18 +0400
committerJon Mason <jon.mason@intel.com>2013-09-05 22:07:59 +0400
commitb1ef004303fba92cd28ed32dd3caed3438238f76 (patch)
tree78de37a133b409d7a978c386e999bb6060ad7105
parented6c24eda97b6bdcd013dbd91cc5c8b02de507e9 (diff)
downloadlinux-b1ef004303fba92cd28ed32dd3caed3438238f76.tar.xz
NTB: Remove References of non-B2B BWD HW
NTB-RP is not a supported configuration on BWD hardware. Remove the code attempting to set it up. Signed-off-by: Jon Mason <jon.mason@intel.com>
-rw-r--r--drivers/ntb/ntb_hw.c16
-rw-r--r--drivers/ntb/ntb_regs.h1
2 files changed, 4 insertions, 13 deletions
diff --git a/drivers/ntb/ntb_hw.c b/drivers/ntb/ntb_hw.c
index 2f3ff73b1d1b..69cd834a8380 100644
--- a/drivers/ntb/ntb_hw.c
+++ b/drivers/ntb/ntb_hw.c
@@ -842,7 +842,7 @@ static int ntb_bwd_setup(struct ntb_device *ndev)
break;
case NTB_CONN_RP:
default:
- dev_err(&ndev->pdev->dev, "Only B2B supported at this time\n");
+ dev_err(&ndev->pdev->dev, "Unsupported NTB configuration\n");
return -EINVAL;
}
@@ -859,24 +859,16 @@ static int ntb_bwd_setup(struct ntb_device *ndev)
ndev->reg_ofs.ldb = ndev->reg_base + BWD_PDOORBELL_OFFSET;
ndev->reg_ofs.ldb_mask = ndev->reg_base + BWD_PDBMSK_OFFSET;
+ ndev->reg_ofs.rdb = ndev->reg_base + BWD_B2B_DOORBELL_OFFSET;
ndev->reg_ofs.bar2_xlat = ndev->reg_base + BWD_SBAR2XLAT_OFFSET;
ndev->reg_ofs.bar4_xlat = ndev->reg_base + BWD_SBAR4XLAT_OFFSET;
ndev->reg_ofs.lnk_cntl = ndev->reg_base + BWD_NTBCNTL_OFFSET;
ndev->reg_ofs.lnk_stat = ndev->reg_base + BWD_LINK_STATUS_OFFSET;
ndev->reg_ofs.spad_read = ndev->reg_base + BWD_SPAD_OFFSET;
+ ndev->reg_ofs.spad_write = ndev->reg_base + BWD_B2B_SPAD_OFFSET;
ndev->reg_ofs.spci_cmd = ndev->reg_base + BWD_PCICMD_OFFSET;
-
- if (ndev->conn_type == NTB_CONN_B2B) {
- ndev->reg_ofs.rdb = ndev->reg_base + BWD_B2B_DOORBELL_OFFSET;
- ndev->reg_ofs.spad_write = ndev->reg_base + BWD_B2B_SPAD_OFFSET;
- ndev->limits.max_spads = BWD_MAX_SPADS;
- } else {
- ndev->reg_ofs.rdb = ndev->reg_base + BWD_PDOORBELL_OFFSET;
- ndev->reg_ofs.spad_write = ndev->reg_base + BWD_SPAD_OFFSET;
- ndev->limits.max_spads = BWD_MAX_COMPAT_SPADS;
- }
-
ndev->limits.max_mw = BWD_MAX_MW;
+ ndev->limits.max_spads = BWD_MAX_SPADS;
ndev->limits.max_db_bits = BWD_MAX_DB_BITS;
ndev->limits.msix_cnt = BWD_MSIX_CNT;
ndev->bits_per_vector = BWD_DB_BITS_PER_VEC;
diff --git a/drivers/ntb/ntb_regs.h b/drivers/ntb/ntb_regs.h
index b4f4604f4ce5..aa4bdd393c58 100644
--- a/drivers/ntb/ntb_regs.h
+++ b/drivers/ntb/ntb_regs.h
@@ -104,7 +104,6 @@
#define BWD_MSIX_CNT 34
#define BWD_MAX_SPADS 16
-#define BWD_MAX_COMPAT_SPADS 16
#define BWD_MAX_DB_BITS 34
#define BWD_DB_BITS_PER_VEC 1
#define BWD_MAX_MW 2