deleted file mode 100644
@@ -1,48 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Renesas SuperH DMA Engine support
- *
- * Copyright (C) 2013 Renesas Electronics, Inc.
- */
-
-#ifndef SHDMA_ARM_H
-#define SHDMA_ARM_H
-
-#include "shdma.h"
-
-/* Transmit sizes and respective CHCR register values */
-enum {
- XMIT_SZ_8BIT = 0,
- XMIT_SZ_16BIT = 1,
- XMIT_SZ_32BIT = 2,
- XMIT_SZ_64BIT = 7,
- XMIT_SZ_128BIT = 3,
- XMIT_SZ_256BIT = 4,
- XMIT_SZ_512BIT = 5,
-};
-
-/* log2(size / 8) - used to calculate number of transfers */
-#define SH_DMAE_TS_SHIFT { \
- [XMIT_SZ_8BIT] = 0, \
- [XMIT_SZ_16BIT] = 1, \
- [XMIT_SZ_32BIT] = 2, \
- [XMIT_SZ_64BIT] = 3, \
- [XMIT_SZ_128BIT] = 4, \
- [XMIT_SZ_256BIT] = 5, \
- [XMIT_SZ_512BIT] = 6, \
-}
-
-#define TS_LOW_BIT 0x3 /* --xx */
-#define TS_HI_BIT 0xc /* xx-- */
-
-#define TS_LOW_SHIFT (3)
-#define TS_HI_SHIFT (20 - 2) /* 2 bits for shifted low TS */
-
-#define TS_INDEX2VAL(i) \
- ((((i) & TS_LOW_BIT) << TS_LOW_SHIFT) |\
- (((i) & TS_HI_BIT) << TS_HI_SHIFT))
-
-#define CHCR_TX(xmit_sz) (DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL((xmit_sz)))
-#define CHCR_RX(xmit_sz) (DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL((xmit_sz)))
-
-#endif
shdma-arm.h was introduced with commit 1e69653d40f1 ("DMA: shdma: add r8a73a4 DMAC data to the device ID table"), and its sole user was removed with commit a19788612f51 ("dmaengine: sh: Remove R-Mobile APE6 support"). The latter mentions r8a73a4.dtsi but shdma support was removed from that with commit cfda82037780 ("ARM: dts: r8a73a4: Remove non-functional DMA support"), so it seems this is safe to remove. Signed-off-by: Stephen Kitt <steve@sk2.org> --- drivers/dma/sh/shdma-arm.h | 48 -------------------------------------- 1 file changed, 48 deletions(-) delete mode 100644 drivers/dma/sh/shdma-arm.h base-commit: 23758867219c8d84c8363316e6dd2f9fd7ae3049