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Commit 16f56e8b authored by LABBE Corentin's avatar LABBE Corentin Committed by Herbert Xu
Browse files

crypto: hifn_795x - fix coding style 



The hifn_795x driver is old and have lots of style issue.
This patch try to solve easy ones.

Signed-off-by: default avatarLABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent cfeecab4

drivers/crypto/hifn_795x.c

+138 −163
Original line number Diff line number Diff line
@@ -11,10 +11,6 @@ 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 */



#include <linux/kernel.h>
@@ -350,10 +346,10 @@ static atomic_t hifn_dev_number; 
#define HIFN_NAMESIZE			32

#define HIFN_MAX_RESULT_ORDER		5



#define	HIFN_D_CMD_RSIZE		24*1

#define	HIFN_D_SRC_RSIZE		80*1

#define	HIFN_D_DST_RSIZE		80*1

#define	HIFN_D_RES_RSIZE		24*1

#define	HIFN_D_CMD_RSIZE		(24 * 1)

#define	HIFN_D_SRC_RSIZE		(80 * 1)

#define	HIFN_D_DST_RSIZE		(80 * 1)

#define	HIFN_D_RES_RSIZE		(24 * 1)



#define HIFN_D_DST_DALIGN		4
@@ -378,8 +374,7 @@ static atomic_t hifn_dev_number; 
#define	HIFN_MAX_RESULT			(8 + 4 + 4 + 20 + 4)

#define HIFN_USED_RESULT		12



struct hifn_desc

{

struct hifn_desc {

	volatile __le32		l;

	volatile __le32		p;

};
@@ -410,8 +405,7 @@ struct hifn_dma { 


#define HIFN_DEFAULT_ACTIVE_NUM	5



struct hifn_device

{

struct hifn_device {

	char			name[HIFN_NAMESIZE];



	int			irq;
@@ -460,8 +454,7 @@ struct hifn_device 
#define	HIFN_D_JUMP			0x40000000

#define	HIFN_D_VALID			0x80000000



struct hifn_base_command

{

struct hifn_base_command {

	volatile __le16		masks;

	volatile __le16		session_num;

	volatile __le16		total_source_count;
@@ -483,8 +476,7 @@ struct hifn_base_command 
/*

 * Structure to help build up the command data structure.

 */

struct hifn_crypt_command

{

struct hifn_crypt_command {

	volatile __le16		masks;

	volatile __le16		header_skip;

	volatile __le16		source_count;
@@ -514,8 +506,7 @@ struct hifn_crypt_command 
/*

 * Structure to help build up the command data structure.

 */

struct hifn_mac_command

{

struct hifn_mac_command {

	volatile __le16	masks;

	volatile __le16	header_skip;

	volatile __le16	source_count;
@@ -543,8 +534,7 @@ struct hifn_mac_command 
#define	HIFN_MAC_CMD_POS_IPSEC		0x0200

#define	HIFN_MAC_CMD_NEW_KEY		0x0800



struct hifn_comp_command

{

struct hifn_comp_command {

	volatile __le16		masks;

	volatile __le16		header_skip;

	volatile __le16		source_count;
@@ -562,8 +552,7 @@ struct hifn_comp_command 
#define	HIFN_COMP_CMD_ALG_MPPC		0x0001	/*   MPPC */

#define	HIFN_COMP_CMD_ALG_LZS		0x0000	/*   LZS */



struct hifn_base_result

{

struct hifn_base_result {

	volatile __le16		flags;

	volatile __le16		session;

	volatile __le16		src_cnt;		/* 15:0 of source count */
@@ -576,8 +565,7 @@ struct hifn_base_result 
#define	HIFN_BASE_RES_DSTLEN_M		0x3000	/* 17:16 of dest count */

#define	HIFN_BASE_RES_DSTLEN_S		12



struct hifn_comp_result

{

struct hifn_comp_result {

	volatile __le16		flags;

	volatile __le16		crc;

};
@@ -588,8 +576,7 @@ struct hifn_comp_result 
#define	HIFN_COMP_RES_ENDMARKER		0x0002	/* LZS: end marker seen */

#define	HIFN_COMP_RES_SRC_NOTZERO	0x0001	/* source expired */



struct hifn_mac_result

{

struct hifn_mac_result {

	volatile __le16		flags;

	volatile __le16		reserved;

	/* followed by 0, 6, 8, or 10 u16's of the MAC, then crypt */
@@ -598,8 +585,7 @@ struct hifn_mac_result 
#define	HIFN_MAC_RES_MISCOMPARE		0x0002	/* compare failed */

#define	HIFN_MAC_RES_SRC_NOTZERO	0x0001	/* source expired */



struct hifn_crypt_result

{

struct hifn_crypt_result {

	volatile __le16		flags;

	volatile __le16		reserved;

};
@@ -617,8 +603,7 @@ struct hifn_crypt_result 
#define	HIFN_MAX_SEGLEN		0xffff		/* maximum dma segment len */

#define	HIFN_MAX_DMALEN		0x3ffff		/* maximum dma length */



struct hifn_crypto_alg

{

struct hifn_crypto_alg {

	struct list_head	entry;

	struct crypto_alg	alg;

	struct hifn_device	*dev;
@@ -628,22 +613,19 @@ struct hifn_crypto_alg 


#define ASYNC_FLAGS_MISALIGNED	(1 << 0)



struct hifn_cipher_walk

{

struct hifn_cipher_walk {

	struct scatterlist	cache[ASYNC_SCATTERLIST_CACHE];

	u32			flags;

	int			num;

};



struct hifn_context

{

struct hifn_context {

	u8			key[HIFN_MAX_CRYPT_KEY_LENGTH];

	struct hifn_device	*dev;

	unsigned int		keysize;

};



struct hifn_request_context

{

struct hifn_request_context {

	u8			*iv;

	unsigned int		ivsize;

	u8			op, type, mode, unused;
@@ -741,13 +723,12 @@ static void hifn_reset_dma(struct hifn_device *dev, int full) 
	hifn_reset_puc(dev);

}



static u32 hifn_next_signature(u_int32_t a, u_int cnt)

static u32 hifn_next_signature(u32 a, u_int cnt)

{

	int i;

	u32 v;



	for (i = 0; i < cnt; i++) {



		/* get the parity */

		v = a & 0x80080125;

		v ^= v >> 16;
@@ -845,9 +826,9 @@ static int hifn_init_pubrng(struct hifn_device *dev) 
			break;

	}



	if (!i)

	if (!i) {

		dev_err(&dev->pdev->dev, "Failed to initialise public key engine.\n");

	else {

	} else {

		hifn_write_1(dev, HIFN_1_PUB_IEN, HIFN_PUBIEN_DONE);

		dev->dmareg |= HIFN_DMAIER_PUBDONE;

		hifn_write_1(dev, HIFN_1_DMA_IER, dev->dmareg);
@@ -855,9 +836,7 @@ static int hifn_init_pubrng(struct hifn_device *dev) 
		dev_dbg(&dev->pdev->dev, "Public key engine has been successfully initialised.\n");

	}



	/*

	 * Enable RNG engine.

	 */

	/* Enable RNG engine. */



	hifn_write_1(dev, HIFN_1_RNG_CONFIG,

			hifn_read_1(dev, HIFN_1_RNG_CONFIG) | HIFN_RNGCFG_ENA);
@@ -885,7 +864,7 @@ static int hifn_enable_crypto(struct hifn_device *dev) 
		}

	}



	if (offtbl == NULL) {

	if (!offtbl) {

		dev_err(&dev->pdev->dev, "Unknown card!\n");

		return -ENODEV;

	}
@@ -927,9 +906,7 @@ static void hifn_init_dma(struct hifn_device *dev) 
		dma->resr[i].p = __cpu_to_le32(dptr +

				offsetof(struct hifn_dma, result_bufs[i][0]));



	/*

	 * Setup LAST descriptors.

	 */

	/* Setup LAST descriptors. */

	dma->cmdr[HIFN_D_CMD_RSIZE].p = __cpu_to_le32(dptr +

			offsetof(struct hifn_dma, cmdr[0]));

	dma->srcr[HIFN_D_SRC_RSIZE].p = __cpu_to_le32(dptr +
@@ -949,7 +926,7 @@ static void hifn_init_dma(struct hifn_device *dev) 
 * to calculate the optimal multiplier. For PCI we assume 66MHz, since that

 * allows us to operate without the risk of overclocking the chip. If it

 * actually uses 33MHz, the chip will operate at half the speed, this can be

 * overriden by specifying the frequency as module parameter (pci33).

 * overridden by specifying the frequency as module parameter (pci33).

 *

 * Unfortunately the PCI clock is not very suitable since the HIFN needs a

 * stable clock and the PCI clock frequency may vary, so the default is the
@@ -1253,8 +1230,9 @@ static int hifn_setup_cmd_desc(struct hifn_device *dev, 
			HIFN_D_VALID | HIFN_D_LAST |

			HIFN_D_MASKDONEIRQ | HIFN_D_JUMP);

		dma->cmdi = 0;

	} else

	} else {

		dma->cmdr[dma->cmdi - 1].l |= __cpu_to_le32(HIFN_D_VALID);

	}



	if (!(dev->flags & HIFN_FLAG_CMD_BUSY)) {

		hifn_write_1(dev, HIFN_1_DMA_CSR, HIFN_DMACSR_C_CTRL_ENA);
@@ -2231,9 +2209,7 @@ static inline int hifn_encrypt_3des_ofb(struct ablkcipher_request *req) 
			ACRYPTO_TYPE_3DES, ACRYPTO_MODE_OFB);

}



/*

 * 3DES decryption functions.

 */

/* 3DES decryption functions. */

static inline int hifn_decrypt_3des_ecb(struct ablkcipher_request *req)

{

	return hifn_setup_crypto(req, ACRYPTO_OP_DECRYPT,
@@ -2255,8 +2231,7 @@ static inline int hifn_decrypt_3des_ofb(struct ablkcipher_request *req) 
			ACRYPTO_TYPE_3DES, ACRYPTO_MODE_OFB);

}



struct hifn_alg_template

{

struct hifn_alg_template {

	char name[CRYPTO_MAX_ALG_NAME];

	char drv_name[CRYPTO_MAX_ALG_NAME];

	unsigned int bsize;
@@ -2416,7 +2391,7 @@ static int hifn_alg_alloc(struct hifn_device *dev, struct hifn_alg_template *t) 
	struct hifn_crypto_alg *alg;

	int err;



	alg = kzalloc(sizeof(struct hifn_crypto_alg), GFP_KERNEL);

	alg = kzalloc(sizeof(*alg), GFP_KERNEL);

	if (!alg)

		return -ENOMEM;