From mboxrd@z Thu Jan 1 00:00:00 1970 From: Guodong Xu Subject: [PATCH v2 4/4] k3dma: delete axi_config Date: Fri, 6 Jul 2018 11:55:21 +0800 Message-ID: <20180706035521.13736-5-guodong.xu@linaro.org> References: <20180706035521.13736-1-guodong.xu@linaro.org> Return-path: In-Reply-To: <20180706035521.13736-1-guodong.xu@linaro.org> Sender: linux-kernel-owner@vger.kernel.org To: vkoul@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, dan.j.williams@intel.com, xuwei5@hisilicon.com, catalin.marinas@arm.com, will.deacon@arm.com Cc: liyu65@hisilicon.com, suzhuangluan@hisilicon.com, xuhongtao8@hisilicon.com, zhongkaihua@huawei.com, xuezhiliang@hisilicon.com, xupeng7@huawei.com, sunliang10@huawei.com, fengbaopeng@hisilicon.com, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Guodong Xu List-Id: devicetree@vger.kernel.org From: Li Yu 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 Signed-off-by: Guodong Xu --- drivers/dma/k3dma.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/dma/k3dma.c b/drivers/dma/k3dma.c index 33efb541acb2..4542e703ec85 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