linux-kernel - [net Patch 1/4] octeontx2-af: cn10kb: fix interrupt csr addresses

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Message-ID: <20230630062845.26606-2-hkelam@marvell.com>
Date:   Fri, 30 Jun 2023 11:58:42 +0530
From:   Hariprasad Kelam <hkelam@...vell.com>
To:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     <edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
        <davem@...emloft.net>, <sgoutham@...vell.com>,
        <lcherian@...vell.com>, <gakula@...vell.com>, <jerinj@...vell.com>,
        <sbhatta@...vell.com>
Subject: [net Patch 1/4] octeontx2-af: cn10kb: fix interrupt csr addresses

The current design is that, for asynchronous events like link_up and
link_down firmware raises the interrupt to kernel. The previous patch
which added RPM_USX driver has a bug where it uses old csr addresses
for configuring interrupts. Which is resulting in losing interrupts
from source firmware.

This patch fixes the issue by correcting csr addresses.

Fixes: b9d0fedc6234 ("octeontx2-af: cn10kb: Add RPM_USX MAC support")
Signed-off-by: Hariprasad Kelam <hkelam@...vell.com>
Signed-off-by: Sunil Goutham <sgoutham@...vell.com>
---
 drivers/net/ethernet/marvell/octeontx2/af/rpm.c | 2 +-
 drivers/net/ethernet/marvell/octeontx2/af/rpm.h | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rpm.c b/drivers/net/ethernet/marvell/octeontx2/af/rpm.c
index de0d88dd10d6..a433f92c51ea 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rpm.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rpm.c
@@ -47,7 +47,7 @@ static struct mac_ops		rpm2_mac_ops   = {
 	.int_set_reg    =       RPM2_CMRX_SW_INT_ENA_W1S,
 	.irq_offset     =       1,
 	.int_ena_bit    =       BIT_ULL(0),
-	.lmac_fwi	=	RPM_LMAC_FWI,
+	.lmac_fwi	=	RPM2_LMAC_FWI,
 	.non_contiguous_serdes_lane = true,
 	.rx_stats_cnt   =       43,
 	.tx_stats_cnt   =       34,
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rpm.h b/drivers/net/ethernet/marvell/octeontx2/af/rpm.h
index 22147b4c2137..be294eebab26 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rpm.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rpm.h
@@ -94,7 +94,8 @@
 
 /* CN10KB CSR Declaration */
 #define  RPM2_CMRX_SW_INT				0x1b0
-#define  RPM2_CMRX_SW_INT_ENA_W1S			0x1b8
+#define  RPM2_CMRX_SW_INT_ENA_W1S			0x1c8
+#define  RPM2_LMAC_FWI					0x12
 #define  RPM2_CMR_CHAN_MSK_OR				0x3120
 #define  RPM2_CMR_RX_OVR_BP_EN				BIT_ULL(2)
 #define  RPM2_CMR_RX_OVR_BP_BP				BIT_ULL(1)
-- 
2.17.1