crypto: bfin_crc - remove blackfin CRC driver

The blackfin architecture is getting removed, so this
driver won't be used any more.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/Kconfig

@@ -464,13 +464,6 @@ if CRYPTO_DEV_UX500
 	source "drivers/crypto/ux500/Kconfig"
 endif # if CRYPTO_DEV_UX500
 
-config CRYPTO_DEV_BFIN_CRC
-	tristate "Support for Blackfin CRC hardware"
-	depends on BF60x
-	help
-	  Newer Blackfin processors have CRC hardware. Select this if you
-	  want to use the Blackfin CRC module.
-
 config CRYPTO_DEV_ATMEL_AUTHENC
 	tristate "Support for Atmel IPSEC/SSL hw accelerator"
 	depends on HAS_DMA

drivers/crypto/Makefile

@@ -3,7 +3,6 @@ obj-$(CONFIG_CRYPTO_DEV_ATMEL_AES) += atmel-aes.o
 obj-$(CONFIG_CRYPTO_DEV_ATMEL_SHA) += atmel-sha.o
 obj-$(CONFIG_CRYPTO_DEV_ATMEL_TDES) += atmel-tdes.o
 obj-$(CONFIG_CRYPTO_DEV_ATMEL_ECC) += atmel-ecc.o
-obj-$(CONFIG_CRYPTO_DEV_BFIN_CRC) += bfin_crc.o
 obj-$(CONFIG_CRYPTO_DEV_CAVIUM_ZIP) += cavium/
 obj-$(CONFIG_CRYPTO_DEV_CCP) += ccp/
 obj-$(CONFIG_CRYPTO_DEV_CCREE) += ccree/

drivers/crypto/bfin_crc.h

-/*
- * bfin_crc.h - interface to Blackfin CRC controllers
- *
- * Copyright 2012 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#ifndef __BFIN_CRC_H__
-#define __BFIN_CRC_H__
-
-/* Function driver which use hardware crc must initialize the structure */
-struct crc_info {
-	/* Input data address */
-	unsigned char *in_addr;
-	/* Output data address */
-	unsigned char *out_addr;
-	/* Input or output bytes */
-	unsigned long datasize;
-	union {
-	/* CRC to compare with that of input buffer */
-	unsigned long crc_compare;
-	/* Value to compare with input data */
-	unsigned long val_verify;
-	/* Value to fill */
-	unsigned long val_fill;
-	};
-	/* Value to program the 32b CRC Polynomial */
-	unsigned long crc_poly;
-	union {
-	/* CRC calculated from the input data */
-	unsigned long crc_result;
-	/* First failed position to verify input data */
-	unsigned long pos_verify;
-	};
-	/* CRC mirror flags */
-	unsigned int bitmirr:1;
-	unsigned int bytmirr:1;
-	unsigned int w16swp:1;
-	unsigned int fdsel:1;
-	unsigned int rsltmirr:1;
-	unsigned int polymirr:1;
-	unsigned int cmpmirr:1;
-};
-
-/* Userspace interface */
-#define CRC_IOC_MAGIC		'C'
-#define CRC_IOC_CALC_CRC	_IOWR('C', 0x01, unsigned int)
-#define CRC_IOC_MEMCPY_CRC	_IOWR('C', 0x02, unsigned int)
-#define CRC_IOC_VERIFY_VAL	_IOWR('C', 0x03, unsigned int)
-#define CRC_IOC_FILL_VAL	_IOWR('C', 0x04, unsigned int)
-
-
-#ifdef __KERNEL__
-
-#include <linux/types.h>
-#include <linux/spinlock.h>
-
-struct crc_register {
-	u32 control;
-	u32 datacnt;
-	u32 datacntrld;
-	u32 __pad_1[2];
-	u32 compare;
-	u32 fillval;
-	u32 datafifo;
-	u32 intren;
-	u32 intrenset;
-	u32 intrenclr;
-	u32 poly;
-	u32 __pad_2[4];
-	u32 status;
-	u32 datacntcap;
-	u32 __pad_3;
-	u32 result;
-	u32 curresult;
-	u32 __pad_4[3];
-	u32 revid;
-};
-
-/* CRC_STATUS Masks */
-#define CMPERR			0x00000002	/* Compare error */
-#define DCNTEXP			0x00000010	/* datacnt register expired */
-#define IBR			0x00010000	/* Input buffer ready */
-#define OBR			0x00020000	/* Output buffer ready */
-#define IRR			0x00040000	/* Immediate result readt */
-#define LUTDONE			0x00080000	/* Look-up table generation done */
-#define FSTAT			0x00700000	/* FIFO status */
-#define MAX_FIFO		4		/* Max fifo size */
-
-/* CRC_CONTROL Masks */
-#define BLKEN			0x00000001	/* Block enable */
-#define OPMODE			0x000000F0	/* Operation mode */
-#define OPMODE_OFFSET		4		/* Operation mode mask offset*/
-#define MODE_DMACPY_CRC		1		/* MTM CRC compute and compare */
-#define MODE_DATA_FILL		2		/* MTM data fill */
-#define MODE_CALC_CRC		3		/* MSM CRC compute and compare */
-#define MODE_DATA_VERIFY	4		/* MSM data verify */
-#define AUTOCLRZ		0x00000100	/* Auto clear to zero */
-#define AUTOCLRF		0x00000200	/* Auto clear to one */
-#define OBRSTALL		0x00001000	/* Stall on output buffer ready */
-#define IRRSTALL		0x00002000	/* Stall on immediate result ready */
-#define BITMIRR			0x00010000	/* Mirror bits within each byte of 32-bit input data */
-#define BITMIRR_OFFSET		16		/* Mirror bits offset */
-#define BYTMIRR			0x00020000	/* Mirror bytes of 32-bit input data */
-#define BYTMIRR_OFFSET		17		/* Mirror bytes offset */
-#define W16SWP			0x00040000	/* Mirror uppper and lower 16-bit word of 32-bit input data */
-#define W16SWP_OFFSET		18		/* Mirror 16-bit word offset */
-#define FDSEL			0x00080000	/* FIFO is written after input data is mirrored */
-#define FDSEL_OFFSET		19		/* Mirror FIFO offset */
-#define RSLTMIRR		0x00100000	/* CRC result registers are mirrored. */
-#define RSLTMIRR_OFFSET		20		/* Mirror CRC result offset. */
-#define POLYMIRR		0x00200000	/* CRC poly register is mirrored. */
-#define POLYMIRR_OFFSET		21		/* Mirror CRC poly offset. */
-#define CMPMIRR			0x00400000	/* CRC compare register is mirrored. */
-#define CMPMIRR_OFFSET		22		/* Mirror CRC compare offset. */
-
-/* CRC_INTREN Masks */
-#define CMPERRI 		0x02		/* CRC_ERROR_INTR */
-#define DCNTEXPI 		0x10		/* CRC_STATUS_INTR */
-
-#endif
-
-#endif