linux-kernel - [PATCH 05/13] habanalabs/gaudi2: remove privileged MME clock configuration

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Message-Id: <20221006082308.1266716-5-ogabbay@kernel.org>
Date:   Thu,  6 Oct 2022 11:23:00 +0300
From:   Oded Gabbay <ogabbay@...nel.org>
To:     linux-kernel@...r.kernel.org
Cc:     Koby Elbaz <kelbaz@...ana.ai>
Subject: [PATCH 05/13] habanalabs/gaudi2: remove privileged MME clock configuration

From: Koby Elbaz <kelbaz@...ana.ai>

Privileged MME clock configuration is removed as it is done by the f/w.

Signed-off-by: Koby Elbaz <kelbaz@...ana.ai>
Reviewed-by: Oded Gabbay <ogabbay@...nel.org>
Signed-off-by: Oded Gabbay <ogabbay@...nel.org>
---
 drivers/misc/habanalabs/gaudi2/gaudi2.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/misc/habanalabs/gaudi2/gaudi2.c b/drivers/misc/habanalabs/gaudi2/gaudi2.c
index a7eccc41d508..90e1d7fcb17a 100644
--- a/drivers/misc/habanalabs/gaudi2/gaudi2.c
+++ b/drivers/misc/habanalabs/gaudi2/gaudi2.c
@@ -4535,7 +4535,7 @@ static void gaudi2_init_mme_acc(struct hl_device *hdev, u32 reg_base)
 static void gaudi2_init_dcore_mme(struct hl_device *hdev, int dcore_id,
 							bool config_qman_only)
 {
-	u32 queue_id_base, reg_base, clk_en_addr = 0;
+	u32 queue_id_base, reg_base;
 
 	switch (dcore_id) {
 	case 0:
@@ -4543,23 +4543,18 @@ static void gaudi2_init_dcore_mme(struct hl_device *hdev, int dcore_id,
 		break;
 	case 1:
 		queue_id_base = GAUDI2_QUEUE_ID_DCORE1_MME_0_0;
-		clk_en_addr = mmDCORE1_MME_CTRL_LO_QM_SLV_CLK_EN;
 		break;
 	case 2:
 		queue_id_base = GAUDI2_QUEUE_ID_DCORE2_MME_0_0;
 		break;
 	case 3:
 		queue_id_base = GAUDI2_QUEUE_ID_DCORE3_MME_0_0;
-		clk_en_addr = mmDCORE3_MME_CTRL_LO_QM_SLV_CLK_EN;
 		break;
 	default:
 		dev_err(hdev->dev, "Invalid dcore id %u\n", dcore_id);
 		return;
 	}
 
-	if (clk_en_addr && !(hdev->fw_components & FW_TYPE_BOOT_CPU))
-		WREG32(clk_en_addr, 0x1);
-
 	if (!config_qman_only) {
 		reg_base = gaudi2_mme_acc_blocks_bases[dcore_id];
 		gaudi2_init_mme_acc(hdev, reg_base);
-- 
2.25.1