[PATCH 12/15] NTB: Remove References of non-B2B BWD HW

Jon Mason
2013-08-02T17:36:51Z

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>
---
drivers/ntb/ntb_hw.c | 16 ++++------------
drivers/ntb/ntb_regs.h | 1 -
2 files changed, 4 insertions(+), 13 deletions(-)

diff --git a/drivers/ntb/ntb_hw.c b/drivers/ntb/ntb_hw.c
index 371b65e..8153bea 100644
--- a/drivers/ntb/ntb_hw.c
+++ b/drivers/ntb/ntb_hw.c
@@ -829,7 +829,7 @@ 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;
}

@@ -846,24 +846,16 @@ 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 910d5e9..57aefbb 100644
--- a/drivers/ntb/ntb_regs.h
+++ b/drivers/ntb/ntb_regs.h
@@ -103,7 +103,6 @@

#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
--
1.7.9.5