Avoid using PCI subsystem device id for SoC revision
identification and just use PCI revision id to support C0 silicon.
This patch also reduces SQB threshold to 70% to have
sufficient buffer before we overflow SQ.

Signed-off-by: Nithin Dabilpuram <ndabilpu...@marvell.com>
---
 drivers/common/octeontx2/otx2_common.h | 3 ---
 drivers/common/octeontx2/otx2_dev.h    | 6 +-----
 drivers/net/octeontx2/otx2_ethdev.h    | 2 +-
 3 files changed, 2 insertions(+), 9 deletions(-)

diff --git a/drivers/common/octeontx2/otx2_common.h 
b/drivers/common/octeontx2/otx2_common.h
index f62c45d..c64d373 100644
--- a/drivers/common/octeontx2/otx2_common.h
+++ b/drivers/common/octeontx2/otx2_common.h
@@ -124,9 +124,6 @@ extern int otx2_logtype_dpi;
 #define PCI_DEVID_OCTEONTX2_RVU_SDP_PF         0xA0f6
 #define PCI_DEVID_OCTEONTX2_RVU_SDP_VF         0xA0f7
 
-/* Subsystem Device ID */
-#define PCI_SUBSYS_DEVID_96XX_95XX             0xB200
-
 /*
  * REVID for RVU PCIe devices.
  * Bits 0..1: minor pass
diff --git a/drivers/common/octeontx2/otx2_dev.h 
b/drivers/common/octeontx2/otx2_dev.h
index 7d9839c..0b0a949 100644
--- a/drivers/common/octeontx2/otx2_dev.h
+++ b/drivers/common/octeontx2/otx2_dev.h
@@ -103,11 +103,7 @@ otx2_dev_init(struct rte_pci_device *pci_dev, void 
*otx2_dev)
                return rc;
        }
 
-       if (pci_dev->id.subsystem_device_id == PCI_SUBSYS_DEVID_96XX_95XX)
-               dev->hwcap = rev_id;
-       else
-               dev->hwcap = 0;
-
+       dev->hwcap = rev_id;
        return otx2_dev_priv_init(pci_dev, otx2_dev);
 }
 
diff --git a/drivers/net/octeontx2/otx2_ethdev.h 
b/drivers/net/octeontx2/otx2_ethdev.h
index 987e760..7f1d0f0 100644
--- a/drivers/net/octeontx2/otx2_ethdev.h
+++ b/drivers/net/octeontx2/otx2_ethdev.h
@@ -79,7 +79,7 @@
 #define NIX_RX_NB_SEG_MAX              6
 #define NIX_CQ_ENTRY_SZ                        128
 #define NIX_CQ_ALIGN                   512
-#define NIX_SQB_LOWER_THRESH           90
+#define NIX_SQB_LOWER_THRESH           70
 #define LMT_SLOT_MASK                  0x7f
 #define NIX_RX_DEFAULT_RING_SZ         4096
 
-- 
2.8.4

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