linux-kernel - [PATCH 3/3] k3dma: delete axi

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20180622032416.20133-4-guodong.xu@linaro.org>
Date:   Fri, 22 Jun 2018 11:24:16 +0800
From:   Guodong Xu <guodong.xu@...aro.org>
To:     vkoul@...nel.org, robh+dt@...nel.org, mark.rutland@....com,
        dan.j.williams@...el.com
Cc:     liyu65@...ilicon.com, suzhuangluan@...ilicon.com,
        xuhongtao8@...ilicon.com, zhongkaihua@...wei.com,
        xuezhiliang@...ilicon.com, xupeng7@...wei.com,
        sunliang10@...wei.com, fengbaopeng@...ilicon.com,
        dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Guodong Xu <guodong.xu@...aro.org>
Subject: [PATCH 3/3] k3dma: delete axi_config

From: Li Yu <liyu65@...ilicon.com>

Axi_config controls whether DMA resources can be accessed in non-secure
mode, such as linux kernel. The setting is actually done in
bootloader stage.

This patch removes axi_config from k3dma driver.

Signed-off-by: Li Yu <liyu65@...ilicon.com>
Signed-off-by: Guodong Xu <guodong.xu@...aro.org>
---
 drivers/dma/k3dma.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/dma/k3dma.c b/drivers/dma/k3dma.c
index 13cec12742e3..ddd7d1e054c0 100644
--- a/drivers/dma/k3dma.c
+++ b/drivers/dma/k3dma.c
@@ -52,8 +52,6 @@
 #define CX_SRC			0x814
 #define CX_DST			0x818
 #define CX_CFG			0x81c
-#define AXI_CFG			0x820
-#define AXI_CFG_DEFAULT		0x201201
 
 #define CX_LLI_CHAIN_EN		0x2
 #define CX_CFG_EN		0x1
@@ -158,7 +156,6 @@ static void k3_dma_set_desc(struct k3_dma_phy *phy, struct k3_desc_hw *hw)
 	writel_relaxed(hw->count, phy->base + CX_CNT0);
 	writel_relaxed(hw->saddr, phy->base + CX_SRC);
 	writel_relaxed(hw->daddr, phy->base + CX_DST);
-	writel_relaxed(AXI_CFG_DEFAULT, phy->base + AXI_CFG);
 	writel_relaxed(hw->config, phy->base + CX_CFG);
 }
 
-- 
2.17.1