linux-kernel - [PATCH 2/5] habanalabs: Allow access to TPC LFSR register

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Message-Id: <20200418082440.21277-2-oded.gabbay@gmail.com>
Date:   Sat, 18 Apr 2020 11:24:37 +0300
From:   Oded Gabbay <oded.gabbay@...il.com>
To:     linux-kernel@...r.kernel.org, oshpigelman@...ana.ai,
        ttayar@...ana.ai
Cc:     gregkh@...uxfoundation.org
Subject: [PATCH 2/5] habanalabs: Allow access to TPC LFSR register

From: Tomer Tayar <ttayar@...ana.ai>

Allow user access to TPC LFSR register, as it might be accessed by TPC
kernels.

Signed-off-by: Tomer Tayar <ttayar@...ana.ai>
Reviewed-by: Oded Gabbay <oded.gabbay@...il.com>
Signed-off-by: Oded Gabbay <oded.gabbay@...il.com>
---
 drivers/misc/habanalabs/goya/goya_security.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/misc/habanalabs/goya/goya_security.c b/drivers/misc/habanalabs/goya/goya_security.c
index d6ec12b3e692..2dfdfbb07905 100644
--- a/drivers/misc/habanalabs/goya/goya_security.c
+++ b/drivers/misc/habanalabs/goya/goya_security.c
@@ -683,7 +683,6 @@ static void goya_init_tpc_protection_bits(struct hl_device *hdev)
 	mask = 1 << ((mmTPC0_CFG_SEMAPHORE & 0x7F) >> 2);
 	mask |= 1 << ((mmTPC0_CFG_VFLAGS & 0x7F) >> 2);
 	mask |= 1 << ((mmTPC0_CFG_SFLAGS & 0x7F) >> 2);
-	mask |= 1 << ((mmTPC0_CFG_LFSR_POLYNOM & 0x7F) >> 2);
 	mask |= 1 << ((mmTPC0_CFG_STATUS & 0x7F) >> 2);
 
 	WREG32(pb_addr + word_offset, ~mask);
-- 
2.17.1