linux-kernel - [PATCH v4 1/8] dmaengine: xilinx: xdma: Get rid of unused code

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Date:   Fri,  8 Dec 2023 14:49:22 +0100
From:   Jan Kuliga <jankul@...tek.krakow.pl>
To:     lizhi.hou@....com, brian.xu@....com, raj.kumar.rampelli@....com,
        vkoul@...nel.org, michal.simek@....com, dmaengine@...r.kernel.org,
        linux-kernel@...r.kernel.org, miquel.raynal@...tlin.com
Cc:     jankul@...tek.krakow.pl
Subject: [PATCH v4 1/8] dmaengine: xilinx: xdma: Get rid of unused code

Get rid of duplicated macro definitions, as these macros are defined
earlier in the file. Also, get rid of unused member
of 'struct xdma_desc'.

Signed-off-by: Jan Kuliga <jankul@...tek.krakow.pl>
---
 drivers/dma/xilinx/xdma-regs.h | 12 ------------
 drivers/dma/xilinx/xdma.c      |  2 --
 2 files changed, 14 deletions(-)

diff --git a/drivers/dma/xilinx/xdma-regs.h b/drivers/dma/xilinx/xdma-regs.h
index e641a5083e14..0b17a931f583 100644
--- a/drivers/dma/xilinx/xdma-regs.h
+++ b/drivers/dma/xilinx/xdma-regs.h
@@ -134,18 +134,6 @@ struct xdma_hw_desc {
 #define XDMA_SGDMA_DESC_ADJ	0x4088
 #define XDMA_SGDMA_DESC_CREDIT	0x408c

-/* bits of the SG DMA control register */
-#define XDMA_CTRL_RUN_STOP			BIT(0)
-#define XDMA_CTRL_IE_DESC_STOPPED		BIT(1)
-#define XDMA_CTRL_IE_DESC_COMPLETED		BIT(2)
-#define XDMA_CTRL_IE_DESC_ALIGN_MISMATCH	BIT(3)
-#define XDMA_CTRL_IE_MAGIC_STOPPED		BIT(4)
-#define XDMA_CTRL_IE_IDLE_STOPPED		BIT(6)
-#define XDMA_CTRL_IE_READ_ERROR			GENMASK(13, 9)
-#define XDMA_CTRL_IE_DESC_ERROR			GENMASK(23, 19)
-#define XDMA_CTRL_NON_INCR_ADDR			BIT(25)
-#define XDMA_CTRL_POLL_MODE_WB			BIT(26)
-
 /*
  * interrupt registers
  */
diff --git a/drivers/dma/xilinx/xdma.c b/drivers/dma/xilinx/xdma.c
index 290bb5d2d1e2..ddb9e7d07461 100644
--- a/drivers/dma/xilinx/xdma.c
+++ b/drivers/dma/xilinx/xdma.c
@@ -78,7 +78,6 @@ struct xdma_chan {
  * @vdesc: Virtual DMA descriptor
  * @chan: DMA channel pointer
  * @dir: Transferring direction of the request
- * @dev_addr: Physical address on DMA device side
  * @desc_blocks: Hardware descriptor blocks
  * @dblk_num: Number of hardware descriptor blocks
  * @desc_num: Number of hardware descriptors
@@ -91,7 +90,6 @@ struct xdma_desc {
 	struct virt_dma_desc		vdesc;
 	struct xdma_chan		*chan;
 	enum dma_transfer_direction	dir;
-	u64				dev_addr;
 	struct xdma_desc_block		*desc_blocks;
 	u32				dblk_num;
 	u32				desc_num;
--
2.34.1